• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). Dose robustness of deep learning models for anatomic segmentation of computed tomography images. Journal of Medical Imaging. 11. (4), 044005 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, F. Foerger, F. Thieben, M. Möddel, I. Schmale, T. Knopp and M. Graeser (2024). Resonant Inductive Coupling Network for Human-Sized Magnetic Particle Imaging. Review of Scientific Instruments. 95. (4), 044701 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, K. Scheffler, J. Ackers, A. Weimer, F. Wegner, F. Thieben, M. Ahlborg, P. Vogel, M. Graeser, and T. Knopp (2024). Characterization of the Clinically Approved MRI Tracer Resotran for Magnetic Particle Imaging in a Comparison Study. Physics in Medicine \& Biology. 69. (13), 135014 [Abstract] [doi] [BibTex]
  
  
• F. Thieben, F. Foerger, F. Mohn, N. Hackelberg, M. Boberg, J.-P. Scheel, Möddel, M. Graeser, and T. Knopp (2024). System Characterization of a Human-Sized 3D Real-Time Magnetic Particle Imaging Scanner for Cerebral Applications. Communications Engineering. 3. (1), 47 [Abstract] [doi] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2024). Solving the MPI reconstruction problem with automatically tuned regularization parameters. Phys. Med. Biol.. 69. (4), [Abstract] [doi] [BibTex]
  
  
• L. Nawwas, M. Möddel and T. Knopp (2024). Analysis of leakage artifacts and their impact on convergence of algebraic reconstruction in multi-contrast magnetic particle imaging. Physics in Medicine & Biology. 69. (21), 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, M. Exner, P. Szwargulski, M. Möddel, T. Knopp, and M. Graeser (2023). Saline bolus for negative contrast perfusion imaging in magnetic particle imaging. Physics in Medicine & Biology. 68. (17), 5026 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, P. Szwargulski, M. G. Kaul, M. Graeser, T. Mummert, K. M. Krishnan, T. Knopp, G. Adam, J. Salamon and C. Riedel (2023). Real-Time Multi-Contrast Magnetic Particle Imaging for the Detection of Gastrointestinal Bleeding. Scientific Reports. 13. (1), 22976 [Abstract] [doi] [BibTex]
  
  
• F. Thieben, T. Knopp, M. Boberg, F. Foerger, M.Graeser, and M. Möddel (2023). On the Receive Path Calibration of Magnetic Particle Imaging Systems. IEEE Transactions on Instrumentation and Measurement. 72. 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2023). Extrapolation of System Matrices in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 42. (4), 1121 - 1132 [Abstract] [pdf] [doi] [BibTex]
  
  
• L. M. Slavu, A. Antonelli, E.S. Scarpa, P. Abdalla, C. Wilhelm, N. Silvestri, T. Pellegrino, K. Scheffler, M. Magnani, R. Rinaldi, R. Di Corato (2023). Optimization of magnetic nanoparticles for engineering erythrocytes as theranostic agents. Biomater. Sci.. [Abstract] [doi] [www] [BibTex]
  
  
• T. Knopp, M. Boberg, and M. Grosser (2023). NFFT.jl: Generic and Fast Julia Implementation of the Nonequidistant Fast Fourier Transform. SIAM Journal on Scientific Computing. 45. (3), C179-C205 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, T. Knopp, M. Boberg, F. Thieben, P. Szwargulski, and M. Graeser (2022). System Matrix Based Reconstruction for Pulsed Sequences in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 41. (7), 1862-1873 [Abstract] [doi] [www] [BibTex]
  
  
• H. Albers, T. Knopp, M. Möddel, M. Boberg, and T. Kluth (2022). Modeling the magnetization dynamics for large ensembles of immobilized magnetic nanoparticles in multi-dimensional magnetic particle imaging. Journal of Magnetism and Magnetic Materials. 543. 168534 [Abstract] [doi] [www] [BibTex]
  
  
• I. Molwitz, G. M. Campbell, J. Yamamura, T. Knopp, K. Toedter, R. Fischer, Z. J. Wang, A. Busch, A.-K. Ozga, S. Zhang, T. Lindner, F. Sevecke, M. Grosser, G. Adam, and P. Szwargulski (2022). Fat Quantification in Dual-Layer Detector Spectral Computed Tomography: Experimental Development and First In-Patient Validation. Investigative Radiology. 57. (7), 463-469 [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• L. Moor, S. Scheibler, L. Gerken, K. Scheffler, F. Thieben, T. Knopp, I. K. Herrmann, and F. H. L. Starsich (2022). Particle interactions and their effect on magnetic particle spectroscopy and imaging. Nanoscale. [Abstract] [doi] [www] [BibTex]
  
  
• L. Zdun, M. Boberg, and C. Brandt (2022). Joint multi-patch reconstruction: fast and improved results by stochastic optimization. International Journal on Magnetic Particle Imaging. 8. (2), 1-8 [Abstract] [doi] [www] [BibTex]
  
  
• M. Ahlborg, T. Friedrich, T. Göttsche, V. Scheitenberger, R. Linemann, M. Wattenberg, A. T. Buessen, T. Knopp, P. Szwargulski, M. G. Kaul, J. Salamon, T. M. Buzug, J. Barkhausen, F. Wegner (2022). First Dedicated Balloon Catheter for Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• P. Ludewig, M. Graeser, N. D. Forkert, F. Thieben, J. Rández-Garbayo, J. Rieckhoff, K. Lessmann, F. Foerger, P. Szwargulski, T. Magnus, and T. Knopp (2022). Magnetic particle imaging for assessment of cerebral perfusion and ischemia. Wiley Interdiscip Rev Nanomed Nanobiotechnol. [Abstract] [doi] [www] [BibTex]
  
  

• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). Learning CT Segmentation from Label Masks Only. Medical Imaging with Deep Learning (MIDL 2024). [Abstract] [www]
  
  
• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). On TotalSegmentator’s performance on low-dose CT images. Medical Imaging 2024: Image Processing. 12926. 129260B [Abstract] [doi] [www]
  
  
• A. Tsanda, P. Jürß, N. Hackelberg, M. Grosser, M. Möddel, and T. Knopp (2024). Extension of the Kaczmarz algorithm with a deep plug-and-play regularizer. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Foerger, N. Hackelberg, M. Boberg, M. Möddel, F. Thieben, F. Mohn, and T. Knopp (2024). Single-Shot Magnetic Field Measurements for MPI. 13th International Workshop on Magnetic Particle Imaging (IWMPI 2024). 10. (1 Suppl 1), 1-1 [Abstract] [www]
  
  
• F. Mohn, F. Foerger, F. Thieben, M. Möddel, T. Knopp, and M. Graeser (2024). Trade-off between Power Consumption and Receive Signal Strength for Inductively Coupled Transmit-Receive Circuits in MPI. 10. (1 Suppl 1), [Abstract] [doi]
  
  
• F. Mohn, P. Szwargulski, M. G. Kaul, M. Graeser, T. Mummert, K. M. Krishnan, T. Knopp, G. Adam, J. Salamon, and C. Riedel (2024). In Vitro Detection of Gastrointestinal Bleeding Using Single- and Multi-Contrast MPI. 10. (1 Suppl 1), [Abstract] [doi]
  
  
• F. Thieben, H. Albers, F. Mohn, F. Foerger, M. Boberg, K. Scheffler, M. Möddel, T. Kluth, and T. Knopp (2024). Experimental Parameter Calibration of the Scanner Model for Model-Based MPI. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• K. Scheffler, L. Meyn, F. Foerger, M. Boberg, M. Möddel, and T. Knopp (2024). Ellipsoidal Harmonic Expansions for Efficient Approximation of Magnetic Fields in Medical Imaging. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Influence of the System Matrix on Channel Leakage Artifacts in Multi-Contrast MPI. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Multi-contrast MPI channel leakage reduction using a two-step measurement and reconstruction method. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Sparse Kaczmarz for Convergence Speed-up in Multi-Contrast Magnetic Particle Imaging. 2024 IEEE International Symposium on Biomedical Imaging (ISBI). (1-4), 1-4 [Abstract] [doi]
  
  
• M. Grosser, M. Möddel, and T. Knopp (2024). Exploiting the Fourier Neural Operator for Parameter Identification in MPI. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi]
  
  
• M. Maass, C. Droigk, H. Albers, K. Scheffler, A. Mertins, T. Kluth, and T. Knopp (2024). Magnetic particle imaging with non-oriented immobilized particles. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi]
  
  
• M. Möddel, L. Jensen, M. Boberg, and T. Knopp (2024). Comparison of Reconstruction Methods for Elongated Multi-Patch Sequences in Magnetic Particle Imaging. 13th International Workshop on Magnetic Particle Imaging (IWMPI 2024). 10. (1 Suppl 1), 1-1 [Abstract] [www]
  
  
• N. Hackelberg, M. Grosser, A. Tsanda, F. Mohn, K. Scheffler, M. Möddel, and T. Knopp (2024). RegularizedLeastSquares.jl: Modality Agnostic Julia Package for Solving Regularized Least Squares Problems. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi]
  
  
• S. Matten, M. Ahlborg, N. Blum, J. Schumacher, T. M. Buzug, M. Stille, and M. Graeser (2024). Deep Learning Inpainting Approach for FFL-MPI sinograms. 13th International Workshop on Magnetic Particle Imaging (IWMPI 2024). 10. (1 Suppl 1), 1-1 [Abstract] [www]
  
  
• T. Kluth, H. Albers, M. Maass, C. Droigk, M. Boberg, F. Thieben, K. Scheffler, and T. Knopp (2024). Recent Progress in Model-Based Reconstruction using Approximate Particle Models and low Calibration Effort. 13th International Workshop on Magnetic Particle Imaging (IWMPI 2024). 10. (1 Suppl 1), 1-1 [Abstract] [www]
  
  
• F. Foerger, N. Hackelberg, M. Boberg, J.-P. Scheel, F. Thieben, L. Mirzojan, F. Mohn, M. Möddel, M. Graeser, and T. Knopp (2023). Flexible Selection Field Generation using Iron Core Coil Arrays. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Mohn, M. Exner, P. Szwargulski, M. Möddel, T. Knopp, and M. Graeser (2023). Using Negative Bolus in Dynamic MPI. International Journal on Magnetic Particle Imaging IJMPI. 9.(1). [Abstract] [doi] [www]
  
  
• F. Niebel, J. Schumacher, F. Mohn, M. Ahlborg, T.M. Buzug, and M. Graeser (2023). A Novel Approach to FFL Trajectory Analysis. International Journal on Magnetic Particle Imaging IJMPI. 9.(1), [Abstract] [doi] [www]
  
  
• F. Thieben, F. Mickoleit, S. Tessaro, P. Ludewig, D. Schüler, J.R. Garbayo, R. Uebe, and T. Knopp (2023). Development of Optimized Magnetic Particle Imaging Tracers Utilizing Genetically Engineered Magnetosomes. International Journal on Magnetic Particle Imaging. 9. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, F. Mohn, F. Foerger, N. Hackelberg, J.-P. Scheel, M. Graeser, and T. Knopp (2023). Safe and Rapid 3D Imaging: Upgrade of a Human-Sized Brain MPI System. International Journal on Magnetic Particle Imaging. 9. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, T. Knopp, M. Boberg, F. Foerger, M. Graeser, and M. Möddel (2023). The pitfalls of receive path calibration. International Journal on Magnetic Particle Imaging IJMPI. 9. (1 Suppl 1), [Abstract] [www]
  
  
• H. Albers, F. Thieben, M. Boberg, K. Scheffler, T. Knopp, and T. Kluth (2023). Model-based Calibration and Image Reconstruction with Immobilized Nanoparticles. International Journal on Magnetic Particle Imaging. 9. (1), 1-5 [Abstract] [doi] [www]
  
  
• J. Ackers, F. Mohn, N. Hackelberg, T. Knopp, T.M. Buzug, and M. Graeser (2023). Model-based voltage predictions for arbitrary waveform excitation in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging IJMPI. 9.(1). [Abstract] [doi] [www]
  
  
• K. Scheffler, F. Thieben, F. Mohn, M. Graeser, and T. Knopp (2023). MPI Signal Performance of Resotran. 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023). 1-1 [Abstract] [www]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2023). Hands-free Reconstruction for MPI. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• K. Scheffler, M. Grosser, M. Boberg, and T. Knopp (2023). Sparsifying system matrices by combined usage of compressed sensing and extrapolation. 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023). 1-1 [Abstract] [www]
  
  
• M. Boberg, J. Hunecke, F. Thieben, M. Graeser, and T. Knopp (2023). MPI Transfer-Function Estimation with Receive-Coil Coupling. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Boberg, T. Knopp, and M. Möddel (2023). Reducing displacement artifacts in multi-patch magnetic particle imaging. 10th International Congress on Industrial and Applied Mathematics (ICIAM 2023). 05026 [Abstract] [www]
  
  
• M. Möddel, A. Schlömerkemper, T. Knopp, and T. Kluth (2023). Limitations of current MPI models in the context of fluid dynamics. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• N. Hackelberg, J. Schumacher, J. Ackers, M. Möddel, F. Foerger, M. Graeser, and T. Knopp (2023). MPIMeasurements.jl: An Extensible Julia Framework for Composable Magnetic Particle Imaging Devices. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• T. Knopp, H. Albers, M. Grosser, M. Möddel, and T. Kluth (2023). Exploiting the Fourier Neural Operator for faster magnetization model evaluations based on the Fokker-Planck equation. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• T. Knopp, P. Jürß, and M. Grosser (2023). A Deep Learning Approach for Automatic Image Reconstruction in MPI. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Foerger, J.-P. Scheel, F. Thieben, F. Mohn, T. Knopp, and M. Graeser (2022). Multi-Channel Current Control System for Coupled Multi-Coil Arrays. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• F. Foerger, M. Boberg, M. Möddel, J.-P. Scheel, M. Graeser, and T. Knopp (2022). Low-Power Iron Selection and Focus Field Generator. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Mohn, T. Knopp, and M. Graeser (2022). Role of Phase Encoding in Pulsed Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 8.(1) [Abstract] [doi] [www]
  
  
• F. Thieben, F. Foerger, F. Mohn, F. Sevecke, T. Knopp, and M. Graeser (2022). Heat it up: Thermal stabilization by active heating to reduce impedance drifts in capacitive matched networks. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• F. Thieben, F. Foerger, M. Boberg, T. Liebing, M. Graeser, M. Möddel, and T. Knopp (2022). Algorithmic Channel Decoupling for Misaligned Receive Coils in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, M. Boberg, M. Graeser, and T. Knopp (2022). Efficient 3D Drive-Field Characterization for Magnetic Particle Imaging Systems. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2022). Boundary artifact reduction by extrapolating system matrices outside the field-of-view in joint multi-patch MPI. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• L. Moor, S. Scheibler, L. Gerken, K. Scheffler, F. Thieben, T. Knopp, I. Herrmann, and F. Starsich (2022). MPI tracer interactions and their effect on signal stability. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Grosser, M. Möddel, and T. Knopp (2022). Accelerated Kaczmarz for Convergence Speed-up in Multi-Contrast Magnetic Particle Imaging. 1-4 [Abstract] [doi] [www]
  
  
• L. Zdun, M. Boberg, and C. Brandt (2022). Fast and artifact reducing joint multi-patch MPI reconstruction. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Boberg and T. Knopp (2022). Two-Step Reconstruction of Widely Differing Particle Concentrations in Magnetic Particle Imaging. 4th Workshop Women in Optimization. [www]
  
  
• M. Boberg and T. Knopp (2022). Two-Step Reconstruction with Spatially Adaptive Regularization for Increasing the Dynamic Range in MPI. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Boberg, N. Gdaniec, M. Möddel, P. Szwargulski, and T. Knopp (2022). Suppression of Motion Artifacts in Multi-Patch Magnetic Particle Imaging of a Phantom with Periodic Motion. SIAM Conference on Imaging Science (IS22). [Abstract]
  
  
• N. Hackelberg, J. Schumacher, M. Graeser, and T. Knopp (2022). A Flexible High-Performance Signal Generation and Digitization Plattform based on Low-Cost Hardware. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• P. Szwargulski, T. Knopp, M. Boberg, J. Salamon, V. Scheitenberger, T. Göttsche, R. Linemann, F. Wegner, T. Friedrich, J. Barkhausen, T. M. Buzug, and M. Ahlborg (2022). First Complex Trials Using a Dedicated Balloon Catheter for Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• T. Knopp and M. Grosser (2022). Warmstart Approach for Accelerating Deep Image Prior Reconstruction in Dynamic Tomography. [www]
  
  

• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). Dose robustness of deep learning models for anatomic segmentation of computed tomography images. Journal of Medical Imaging. 11. (4), 044005 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, F. Foerger, F. Thieben, M. Möddel, I. Schmale, T. Knopp and M. Graeser (2024). Resonant Inductive Coupling Network for Human-Sized Magnetic Particle Imaging. Review of Scientific Instruments. 95. (4), 044701 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, K. Scheffler, J. Ackers, A. Weimer, F. Wegner, F. Thieben, M. Ahlborg, P. Vogel, M. Graeser, and T. Knopp (2024). Characterization of the Clinically Approved MRI Tracer Resotran for Magnetic Particle Imaging in a Comparison Study. Physics in Medicine \& Biology. 69. (13), 135014 [Abstract] [doi] [BibTex]
  
  
• F. Thieben, F. Foerger, F. Mohn, N. Hackelberg, M. Boberg, J.-P. Scheel, Möddel, M. Graeser, and T. Knopp (2024). System Characterization of a Human-Sized 3D Real-Time Magnetic Particle Imaging Scanner for Cerebral Applications. Communications Engineering. 3. (1), 47 [Abstract] [doi] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2024). Solving the MPI reconstruction problem with automatically tuned regularization parameters. Phys. Med. Biol.. 69. (4), [Abstract] [doi] [BibTex]
  
  
• L. Nawwas, M. Möddel and T. Knopp (2024). Analysis of leakage artifacts and their impact on convergence of algebraic reconstruction in multi-contrast magnetic particle imaging. Physics in Medicine & Biology. 69. (21), 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, M. Exner, P. Szwargulski, M. Möddel, T. Knopp, and M. Graeser (2023). Saline bolus for negative contrast perfusion imaging in magnetic particle imaging. Physics in Medicine & Biology. 68. (17), 5026 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, P. Szwargulski, M. G. Kaul, M. Graeser, T. Mummert, K. M. Krishnan, T. Knopp, G. Adam, J. Salamon and C. Riedel (2023). Real-Time Multi-Contrast Magnetic Particle Imaging for the Detection of Gastrointestinal Bleeding. Scientific Reports. 13. (1), 22976 [Abstract] [doi] [BibTex]
  
  
• F. Thieben, T. Knopp, M. Boberg, F. Foerger, M.Graeser, and M. Möddel (2023). On the Receive Path Calibration of Magnetic Particle Imaging Systems. IEEE Transactions on Instrumentation and Measurement. 72. 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2023). Extrapolation of System Matrices in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 42. (4), 1121 - 1132 [Abstract] [pdf] [doi] [BibTex]
  
  
• L. M. Slavu, A. Antonelli, E.S. Scarpa, P. Abdalla, C. Wilhelm, N. Silvestri, T. Pellegrino, K. Scheffler, M. Magnani, R. Rinaldi, R. Di Corato (2023). Optimization of magnetic nanoparticles for engineering erythrocytes as theranostic agents. Biomater. Sci.. [Abstract] [doi] [www] [BibTex]
  
  
• T. Knopp, M. Boberg, and M. Grosser (2023). NFFT.jl: Generic and Fast Julia Implementation of the Nonequidistant Fast Fourier Transform. SIAM Journal on Scientific Computing. 45. (3), C179-C205 [Abstract] [doi] [www] [BibTex]
  
  
• F. Mohn, T. Knopp, M. Boberg, F. Thieben, P. Szwargulski, and M. Graeser (2022). System Matrix Based Reconstruction for Pulsed Sequences in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 41. (7), 1862-1873 [Abstract] [doi] [www] [BibTex]
  
  
• H. Albers, T. Knopp, M. Möddel, M. Boberg, and T. Kluth (2022). Modeling the magnetization dynamics for large ensembles of immobilized magnetic nanoparticles in multi-dimensional magnetic particle imaging. Journal of Magnetism and Magnetic Materials. 543. 168534 [Abstract] [doi] [www] [BibTex]
  
  
• I. Molwitz, G. M. Campbell, J. Yamamura, T. Knopp, K. Toedter, R. Fischer, Z. J. Wang, A. Busch, A.-K. Ozga, S. Zhang, T. Lindner, F. Sevecke, M. Grosser, G. Adam, and P. Szwargulski (2022). Fat Quantification in Dual-Layer Detector Spectral Computed Tomography: Experimental Development and First In-Patient Validation. Investigative Radiology. 57. (7), 463-469 [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• L. Moor, S. Scheibler, L. Gerken, K. Scheffler, F. Thieben, T. Knopp, I. K. Herrmann, and F. H. L. Starsich (2022). Particle interactions and their effect on magnetic particle spectroscopy and imaging. Nanoscale. [Abstract] [doi] [www] [BibTex]
  
  
• L. Zdun, M. Boberg, and C. Brandt (2022). Joint multi-patch reconstruction: fast and improved results by stochastic optimization. International Journal on Magnetic Particle Imaging. 8. (2), 1-8 [Abstract] [doi] [www] [BibTex]
  
  
• M. Ahlborg, T. Friedrich, T. Göttsche, V. Scheitenberger, R. Linemann, M. Wattenberg, A. T. Buessen, T. Knopp, P. Szwargulski, M. G. Kaul, J. Salamon, T. M. Buzug, J. Barkhausen, F. Wegner (2022). First Dedicated Balloon Catheter for Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• P. Ludewig, M. Graeser, N. D. Forkert, F. Thieben, J. Rández-Garbayo, J. Rieckhoff, K. Lessmann, F. Foerger, P. Szwargulski, T. Magnus, and T. Knopp (2022). Magnetic particle imaging for assessment of cerebral perfusion and ischemia. Wiley Interdiscip Rev Nanomed Nanobiotechnol. [Abstract] [doi] [www] [BibTex]
  
  
• F. Lieb and T. Knopp (2021). A Wavelet Based Sparse Row-Action Method for Image Reconstruction in Magnetic Particle Imaging. Medical Physics. published online [Abstract] [pdf] [doi] [www] [BibTex]
  
  
• L. Nawwas, C. Brandt, P. Szwargulski, T. Knopp, and M. Möddel (2021). Reduction of bias for sparsity promoting regularization in MPI. International Journal on Magnetic Particle Imaging. 7. (2), 1-13 [Abstract] [doi] [www] [BibTex]
  
  
• M. Boberg, N. Gdaniec, P. Szwargulski, F. Werner, M. Möddel, and T. Knopp (2021). Simultaneous imaging of widely differing particle concentrations in MPI: problem statement and algorithmic proposal for improvement. Physics in Medicine & Biology. 66. (9), 095004 [Abstract] [doi] [www] [BibTex]
  
  
• M. Grosser and T. Knopp (2021). Optimized sampling patterns for the sparse recovery of system matrices in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 7. (2), 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• M. Möddel, F. Griese, T. Kluth, and T. Knopp (2021). Estimating the Spatial Orientation of Immobilized Magnetic Nanoparticles with Parallel-Aligned Easy Axes. Phys. Rev. Applied. 16. L041003 [doi] [www] [BibTex]
  
  
• T. Knopp and M. Grosser (2021). MRIReco.jl: An MRI Reconstruction Framework written in Julia. Magn. Reson. Med.. 86. (3), 1633-1646 [doi] [www] [BibTex]
  
  
• T. Knopp, M. Grosser, M. Graeser, T. Gerkmann, and M. Möddel (2021). Efficient Joint Estimation of Tracer Distribution and Background Signals in Magnetic Particle Imaging using a Dictionary Approach. IEEE Transactions on Medical Imaging. accepted [www] [BibTex]
  
  
• A. Antonelli, P. Szwargulski, E. S. Scarpa, F. Thieben, C. Grüttner, G. Ambrosi, L. Guidi, P. Ludewig, T. Knopp and M. Magnani (2020). Development of long circulating magnetic particle imaging tracers: use of novel magnetic nanoparticles and entrapment into human erythrocytesDevelopment of long circulating magnetic particle imaging tracers: use of novel magnetic nanoparticles and entrapm. Nanomedicine. 15. (8), 739-753 [Abstract] [www] [BibTex]
  
  
• A. von Gladiss, M. Graeser, A. Behrends, X. Chen and TM Buzug (2020). Efficient hybrid 3D system calibration for magnetic particle imaging systems using a dedicated device. Scientific Reports. 10. (1), 1-12 [doi] [BibTex]
  
  
• A. von Gladiss, M. Graeser, A. Cordes, A. C. Bakenecker, A. Behrends, X. Chen, T. M. Buzug (2020). Investigating Spatial Resolution,Field Sequences and Image ReconstructionStrategies using Hybrid Phantoms in MPI. International Journal on Magnetic Particle Imaging. 6. (1), 2003004 [doi] [BibTex]
  
  
• D. Weller, J. M. Salamon, A. Frölich, M. Möddel, T. Knopp and R. Werner (2020). Combining Direct 3D Volume Rendering and Magnetic Particle Imaging to Advance Radiation-Free Real-Time 3D Guidance of Vascular Interventions. Cardiovascular and interventional radiology. 43. (2), 322-330 [Abstract] [pdf] [www] [BibTex]
  
  
• F. Griese, S. Latus, M. Schlüter, M. Graeser, M. Lutz, A. Schlaefer and T. Knopp (2020). In-Vitro MPI-guided IVOCT catheter tracking in real time for motion artifact compensation. Plos one. 20. (3), e0230821 [Abstract] [pdf] [www] [BibTex]
  
  
• F. Griese, T. Knopp, C. Gruettner, F. Thieben, K. Müller, S. Loges, P. Ludewig, N. Gdaniec (2020). Simultaneous Magnetic Particle Imaging and Navigation of large superparamagnetic nanoparticles in bifurcation flow experiments. Journal of Magnetism and Magnetic Materials. 498. 166206 [Abstract] [doi] [www] [BibTex]
  
  
• I. M. Baltruschat, L. Steinmeister, H. Nickisch, A. Saalbach, M. Grass, G. Adam, H. Ittrich and T. Knopp (2020). Intelligent Chest X-ray Worklist Prioritization by CNNs: A Clinical Workflow Simulation. arXiv. [Abstract] [pdf] [BibTex]
  
  
• J. Salamon, J. Dieckhoff, M. G. Kaul, C. Jung, G. Adam, M. Möddel, T. Knopp, S. Draack, F. Ludwig and H. Ittrich (2020). Visualization of spatial and temporal temperature distributions with magnetic particle imaging for liver tumor ablation therapy. Scientific Reports. 10. (7480), 1-11 [Abstract] [pdf] [www] [BibTex]
  
  
• M. Boberg, T. Knopp, P. Szwargulski, and M. Möddel (2020). Generalized MPI Multi-Patch Reconstruction using Clusters of similar System Matrices. IEEE Transactions on Medical Imaging. 39. (5), 1347-1358 [Abstract] [doi] [www] [BibTex]
  
  
• M. Graeser, P. Ludewig, P. Szwargulski, F. Foerger, T. Liebing, N. D. Forkert, F. Thieben, T. Magnus, and T. Knopp (2020). Design of a head coil for high resolution mouse brain perfusion imaging using magnetic particle imaging. Physics in Medicine and Biology. 65. (23), 235007 [Abstract] [doi] [www] [BibTex]
  
  
• N. Gdaniec, M. Boberg, M. Möddel, P. Szwargulski, and T. Knopp (2020). Suppression of Motion Artifacts Caused by Temporally Recurring Tracer Distributions in Multi-Patch Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 39. (11), 3548-3558 [Abstract] [doi] [www] [BibTex]
  
  
• P. Szwargulski, M. Wilmes, E. Javidi, F. Thieben, M. Graeser, M. Koch, C. Gruettner, G. Adam, C. Gerhard, T. Magnus, T. Knopp, and P. Ludewig (2020). Monitoring Intracranial Cerebral Hemorrhage Using Multicontrast Real-Time Magnetic Particle Imaging. ACS Nano. 14. (10), 13913-13923 [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• T. Knopp, P. Szwargulski, F. Griese, M. Gräser (2020). OpenMPIData: An initiative for freely accessible magnetic particle imaging data. Data in Brief. 28. 104971 [Abstract] [doi] [www] [BibTex]
  
  
• C. Shasha, E. Teeman, K. M. Krishnan, P. Szwargulski, T. Knopp, and M. Möddel (2019). Discriminating nanoparticle core size using multi-contrast MPI. Physics in Medicine and Biology. [Abstract] [doi] [www] [BibTex]
  
  
• D. Weller, J. M. Salamon, A. Frölich, M. Möddel, T. Knopp, and R. Werner (2019). Combining Direct 3D Volume Rendering and Magnetic Particle Imaging to Advance Radiation-Free Real-Time 3D Guidance of Vascular Interventions. CardioVascular and Interventional Radiology. [Abstract] [doi] [www] [BibTex]
  
  
• I. M. Baltruschat, H. Nickisch, M. Grass, T. Knopp, A. Saalbach (2019). Comparison of Deep Learning Approaches for Multi-Label Chest X-Ray Classification. Scientific reports. 9. (1), 6381 [www] [BibTex]
  
  
• M. Exner, P. Szwargulski, P. Ludewig, T. Knopp and M. Graeser (2019). 3D Printed Anatomical Model of a Rat for Medical Imaging. Current Directions in Biomedical Engineering. 5. (1), 187-190 [Abstract] [doi] [BibTex]
  
  
• M. Graeser, F. Thieben, P. Szwargulski, F. Werner, N. Gdaniec, M. Boberg, F. Griese, M. Möddel, P. Ludewig, D. van de Ven, O.M. Weber, O. Woywode, B. Gleich, and T. Knopp (2019). Human-sized Magnetic Particle Imaging for Brain Applications. Nature Communications. 10. (1936), 1-9 [Abstract] [doi] [www] [BibTex]
  
  
• N. Gessert, T. Sentker, F. Madesta, R. Schmitz, H. Kniep, I. M. Baltruschat, R. Werner, A. Schlaefer (2019). Skin Lesion Classification Using CNNs with Patch-Based Attention and Diagnosis-Guided Loss Weighting. IEEE Transactions on Biomedical Engineering. [BibTex]
  
  
• P. Szwargulski, M. Möddel, N. Gdaniec and T. Knopp (2019). Efficient Joint Image Reconstruction of Multi-Patch Data reusing a Single System Matrix in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 38. (4), 932-944 [Abstract] [doi] [www] [BibTex]
  
  
• S. Latus, F. Griese, M. Schlüter, C. Otte, M. Möddel, M. Graeser, T. Saathoff, T. Knopp, and A. Schlaefer (2019). Bimodal intravascular volumetric imaging combining OCT and MPI. Medical Physics. 46. (3), 1371-1383 [doi] [BibTex]
  
  
• T. Kluth, P. Szwargulski, and T. Knopp (2019). Towards accurate modeling of the multidimensional magnetic particle imaging physics. New Journal of Physics. 21. (10), 103032 [Abstract] [doi] [www] [BibTex]
  
  
• T. Knopp, M. Möddel, F. Griese, F. Werner, P. Szwargulski, N. Gdaniec, and M. Boberg (2019). MPIFiles.jl: A Julia Package for Magnetic Particle Imaging Files. Journal of Open Source Software. 4. (38), 1331 [doi] [www] [BibTex]
  
  
• T. Knopp, N. Gdaniec, R. Rehr, M. Graeser and T. Gerkmann (2019). Correction of linear system drifts in magnetic particle imaging. Phys. Med. Biol.. 64. (12), 125013 (11pp) [doi] [www] [BibTex]
  
  
• T. Knopp, P. Szwargulski, F. Griese, M. Grosser, M. Boberg, and M. Möddel (2019). MPIReco.jl: Julia Package for Image Reconstruction in MPI. International Journal on Magnetic Particle Imaging. 5. (1), 9 pp [doi] [BibTex]
  
  
• X. Chen, M. Graeser, A. Behrends, A. von Gladiss, and T. M. Buzug (2019). First Measurement and SNR Results of a 3D Magnetic Particle Spectrometer. International Journal on Magnetic Particle Imaging. 4. (1), [BibTex]
  
  
• D. Schetelig, J. Sedlacik, J. Fiehler, A. Frölich, T. Knopp, T. Sothmann, J. Waschkewitz, and R. Werner (2018). Analysis of the influence of imaging-related uncertainties on cerebral aneurysm deformation quantification using a no-deformation physical flow phantom. Scientific Reports. accepted for publication [BibTex]
  
  
• M. G. Kaul, J. Salamon, T. Knopp, H. Ittrich, G. Adam, H. Weller, C. Jung (2018). Magnetic Particle Imaging for In Vivo Blood Flow Velocity Measurements in Mice. Phys. Med. Biol.. accepted for publication [BibTex]
  
  
• M. Möddel, C. Meins, J. Dieckhoff, and T. Knopp (2018). Viscosity quantification using multi-contrast magnetic particle imaging. New Journal of Physics. 20. (8), 083001 [Abstract] [doi] [www] [BibTex]
  
  
• N. Mogadas, T. Sothmann, T. Knopp, T. Gauer, C. Petersen and R. Werner (2018). Influence of deformable image registration on 4D dose simulation for extracranial SBRT: A multi-registration framework study. Radiotherapy and Oncology. 127. (2), 225-232 [doi] [BibTex]
  
  
• P. Szwargulski, N. Gdaniec, M. Graeser, M. Möddel, F. Griese, K. M. Krishnan, T. M. Buzug, and T. Knopp (2018). Moving table magnetic particle imaging: a stepwise approach preserving high spatio-temporal resolution. Journal of Medical Imaging. 5. (4), 046002 [Abstract] [doi] [www] [BibTex]
  
  
• S. Lyer, T. Knopp, F. Werner, J. Zaloga, R. Friedrich, L. Trahms, F. Wiekhorst, T. Struffert, T. Engelhorn A. Dörfler, T. Baeuerle, M. Uder, R. Tietze, C. Janko, C. Alexiou (2018). Multifunctional SPIONs for Theranostics in Cancer. International Journal on Magnetic Particle Imaging. 4. (1), [BibTex]
  
  
• T. Knopp (2018). Novel Field Sequences, Reconstruction Algorithms, and Particle Synthesis Approaches for Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 3. (2), ID: 1803001 [www] [BibTex]
  
  
• T. Knopp, T. Viereck, G. Bringout, M. Ahlborg, A. von Gladiss, C. Kaethner, A. Neumann, P. Vogel, J. Rahmer, M. Möddel (2018). MDF: Magnetic Particle Imaging Data Format. ArXiv e-prints. 1602.06072v6. 1-15 [www] [BibTex]
  
  
• W. Erb, A. Weinmann, M. Ahlborg, C. Brandt, G. Bringout, T. M. Buzug, J. Frikel, C. Kaethner, T. Knopp, T. März, M. Möddel, M. Storath, and A. Weber (2018). Mathematical Analysis of the 1D Model and Reconstruction Schemes for Magnetic Particle Imaging. Inverse Problems. to appear [BibTex]
  
  
• A. Bakenecker, T. Friedrich, A. von Gladiss, M. Graeser, J. Stelzner, and T. M. Buzug (2017). Experimental Validation of the Selection Field of a Rabbit-Sized FFL Scanner. International Journal on Magnetic Particle Imaging. 3. (1), [Abstract] [www] [BibTex]
  
  
• A. von Gladiss, M. Graeser, P. Szwargulski, T. Knopp, and T. M. Buzug (2017). Hybrid system calibration for multidimensional magnetic particle imaging. Physics in Medicine and Biology. 62. (9), 3392 [doi] [www] [BibTex]
  
  
• F. Griese, T. Knopp, R. Werner, A. Schlaefer, and M. Möddel (2017). Submillimeter-Accurate Marker Localization within Low Gradient Magnetic Particle Imaging Tomograms. International Journal on Magnetic Particle Imaging. 3. (1), [Abstract] [www] [BibTex]
  
  
• F. Werner, N. Gdaniec, and T. Knopp (2017). Improving the Spatial Resolution of Bidirectional Cartesian MPI Data using Fourier Techniques. International Journal on Magnetic Particle Imaging. 3. (1), 1-6 [doi] [www] [BibTex]
  
  
• F. Werner, N. Gdaniec, and T. Knopp (2017). First experimental comparison between the cartesian and the lissajous trajectory for magnetic particle imaging. Physics in Medicine and Biology. 62. 3407-3421 [www] [BibTex]
  
  
• J. Dieckhoff, M. Kaul, T. Mummert, C. Jung, J. Salamon, G. Adam, T. Knopp, F. Ludwig, C. Balceris and H. Ittrich (2017). In vivo liver visualizations with magnetic particle imaging based on the calibration measurement approach. Physics in Medicine and Biology. 62. 3470-3482 [www] [BibTex]
  
  
• J. Sedlacik, A. Frölich, J. Spallek, N. D. Forkert, F. Werner, T. Knopp, D. Krause, J. Fiehler, and J. Buh (2017). Detection of flow dynamic changes in 3D printed aneurysm models after treatment. International Journal on Magnetic Particle Imaging. 3. (1), 1 - 5 [doi] [www] [BibTex]
  
  
• J. Stelzner, M. Graeser, A. Bakenecker, A. von Gladiss, G. Bringout, and T. M. Buzug (2017). Measurements Inside a Rabbit Sized FFL-MPI Device Using a Gradiometric Receive Coil. International Journal on Magnetic Particle Imaging. 3. (1), [Abstract] [www] [BibTex]
  
  
• K. Them (2017). On magnetic dipole–dipole interactions of nanoparticles in magnetic particle imaging. Physics in Medicine & Biology. 62. (14), 5623 [pdf] [doi] [www] [BibTex]
  
  
• L. Schmiester, M. Möddel, W. Erb, and T. Knopp (2017). Direct Image Reconstruction of Lissajous Type Magnetic Particle Imaging Data using Chebyshev-based Matrix Compression. IEEE Transactions on Computational Imaging. [Abstract] [doi] [BibTex]
  
  
• M. G. Kaul, Tobias Mummert, C. Jung, J. Salamon, A. Khandhar, M. R. Ferguson, S. Kemp, H. Ittrich, K. Krishnan, G. Adam and T. Knopp (2017). In vitro and in vivo comparison of a tailored magnetic particle imaging blood pool tracer with resovist. Physics in Medicine and Biology. 62. 3454-3469 [www] [BibTex]
  
  
• M. Graeser, A. von Gladiss , M. Weber, and T. M. Buzug (2017). Two dimensional magnetic particle spectrometry. Physics in Medicine and Biology. [Abstract] [doi] [www] [BibTex]
  
  
• M. Graeser, A. von Gladiss, T. Friedrich, and T. M. Buzug (2017). SNR and Discretization Enhancement for System Matrix Determination by Decreasing the Gradient in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 3. (1), [Abstract] [www] [BibTex]
  
  
• M. Graeser, T. Knopp, P. Szwargulski, T. Friedrich, A. von Gladiss, M. Kaul, K. M. Krishnan, H. Ittrich, G. Adam, and T. M. Buzug (2017). Towards Picogram Detection of Superparamagnetic Iron-Oxide Particles Using a Gradiometric Receive Coil. Scientific Reports. 7. 6872 [Abstract] [doi] [www] [BibTex]
  
  
• M. Grosser, J.M. Slowik, and R. Santra (2017). Attosecond x-ray scattering from a particle-hole wave packet. Phys. Rev. A. 95. (6), 062107 [doi] [www] [BibTex]
  
  
• N. Gdaniec, M. Schlüter, M. Hofmann, M. Kaul, K. Krishnan, A. Schlafer and T. Knopp (2017). Detection and Compensation of Periodic Motion in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. [doi] [BibTex]
  
  
• N. Gdaniec, P. Szwargulski, and T. Knopp (2017). Fast Multi-Resolution Data Acquisition for Magnetic Particle Imaging using Adaptive Feature Detection. Medical Physics. 44. (12), 6456-6460 [doi] [www] [BibTex]
  
  
• P. Ludewig, N. Gdaniec, J. Sedlacik, N. D. Forkert, P. Szwargulski, M. Graeser, G. Adam, M. G. Kaul, K. M. Krishnan, R. M. Ferguson, A. P. Khandhar, P. Walczak, J. Fiehler, G. T., C. Gerloff, T. Knopp and T. Magnus (2017). Magnetic Particle Imaging for Real-Time Perfusion Imaging in Acute Stroke. ACS Nano. [pdf] [doi] [www] [BibTex]
  
  
• P. Szwargulski and T. Knopp (2017). Influence of the Receive Channel Number on the Spatial Resolution in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 3. (1), [www] [BibTex]
  
  
• T. Knopp, N. Gdaniec and M. Möddel (2017). Magnetic Particle Imaging: From Proof of Principle to Preclinical Applications. Physics in Medicine & Biology. 62. (14), R124 [Abstract] [doi] [BibTex]
  
  
• T. Knopp, S. Conolly and T. M. Buzug (2017). Recent progress in magnetic particle imaging: from hardware to preclinical applications. Physics in Medicine and Biology. 62. E4-E7 [BibTex]
  
  
• A. Weber, F. Werner, J. Weizenecker, T. M. Buzug, T. Knopp (2016). Artifact free reconstruction with the system matrix approach by overscanning the field-free-point trajectory in magnetic particle imaging. Phys. Med. Biol.. 61. (2), 475-487 [doi] [BibTex]
  
  
• C. Kaethner, W. Erb, M. Ahlborg, P. Szwargulski, T. Knopp, T.M. Buzug (2016). Non-Equispaced System Matrix Acquisition for Magnetic Particle Imaging based on Lissajous Node Points. IEEE Transactions on Medical Imaging. 35. (11), 2476-2485 [doi] [BibTex]
  
  
• D. Schmidt, M. Graeser, A. von Gladiss, T.M. Buzug, and U. Steinhoff (2016). Imaging Characterization of {MPI} Tracers Employing Offset Measurements in a two Dimensional Magnetic Particle Spectrometer. International Journal on Magnetic Particle Imaging. 2. (1), [Abstract] [doi] [www] [BibTex]
  
  
• F. Werner, C. Jung, M. Hofmann, R. Werner, J. Salamon, D. Säring, M. G. Kaul, K. Them, O. M. Weber, T. Mummert, G. Adam, H. Ittrich, and T. Knopp (2016). Geometry planning and image registration in magnetic particle imaging using bimodal fiducial markers. Med. Phys.. 43. 2884 [BibTex]
  
  
• J. Salamon, M. Hofmann, C. Jung, M.G. Kaul, F. Werner, K. Them, R. Reimer, P. Nielsen, A. vom Scheidt, G. Adam,T. Knopp, and H. Ittrich (2016). Magnetic Particle / Magnetic Resonance Imaging: In-Vitro MPI-Guided Real Time Catheter Tracking and 4D Angioplasty Using a Road Map and Blood Pool Tracer Approach. PLoS ONE. 11. (6), [doi] [BibTex]
  
  
• J. Sedlacik, A. Frölich, J. Spallek, N. D. Forkert, T. D. Faizy, F. Werner, T. Knopp, D. Krause, J. Fiehler, and J. H. Buhk (2016). Magnetic Particle Imaging for High Temporal Resolution Assessment of Aneurysm Hemodynamics. PloS one. 11. (8), e0160097 [BibTex]
  
  
• K. Them, J. Salamon, P. Szwargulski, S. Sequeira, M. Kaul, C. Lange, H. Ittrich and T. Knopp (2016). Increasing the sensitivity for stem cell monitoring in system-function based magnetic particle imaging. Phys. Med. Biol.. 61. (9), 13 [BibTex]
  
  
• K. Them, M. G. Kaul, C. Jung, M. Hofmann, T. Mummert, F. Werner and T. Knopp (2016). Sensitivity enhancement in Magnetic Particle Imaging by Background Subtraction. IEEE Trans Med Imaging. 35. (3), 893-900 [doi] [BibTex]
  
  
• M. Ahlborg, C. Kaethner, T. Knopp, P Szwargulski, T. Buzug (2016). Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging. Phys. Med. Biol.. 61. (12), 4583–4598 [BibTex]
  
  
• M. Storath, C. Brandt, M. Hofmann, T. Knopp, J. Salamon, A. Weber, and A. Weinmann (2016). Edge preserving and noise reducing reconstruction for magnetic particle imaging. IEEE Trans. Med. Imag.. published online [Abstract] [doi] [BibTex]
  
  
• T. Knopp and M. Hofmann (2016). Online reconstruction of 3D magnetic particle imaging data. Phys. Med. Biol.. 61. (11), N257–N267 [BibTex]
  
  
• A. Behrends, M. Graeser, and T.M. Buzug (2015). Introducing a frequency tunable magnetic particle spectrometer. Current Directions in Biomedical Engineering. 1. (1), 249-253 [doi] [BibTex]
  
  
• A. von Gladiss, M. Graeser, K. Lüdtke-Buzug, and T. M. Buzug (2015). Contribution of Brownian rotation and particle assembly polarisation to the particle response in Magnetic Particle Spectrometry. Current Directions in Biomedical Engineering. 1. (1), 298-301 [doi] [BibTex]
  
  
• A. Weber and T. Knopp (2015). Symmetries of the 2D magnetic particle imaging system matrix. Phys. Med. Biol.. 60. (10), 4033-44 [doi] [BibTex]
  
  
• A. Weber and T. Knopp, (2015). Reconstruction of the Magnetic Particle Imaging System Matrix Using Symmetries and Compressed Sensing. Advances in Mathematical Physics. Article ID 460496. 9pp [doi] [BibTex]
  
  
• K. Bente, M. Weber, M. Graeser, T.F. Sattel, M. Erbe, and T.M. Buzug (2015). Electronic field free line rotation and relaxation deconvolution in {Magnetic Particle Imaging}. {{IEEE} Transactions on Medical Imaging},. 34. (2), 644--651 [Abstract] [doi] [BibTex]
  
  
• K. Gräfe, G. Bringout, M. Graeser, T. F. Sattel, and T. M. Buzug (2015). System matrix recording and phantom measurements with a single-sided {Magnetic Particle Imaging} device. {IEEE} Transactions on Magnetics. 51. (2), [Abstract] [doi] [BibTex]
  
  
• K. Kläser, M. Graeser, D. Steinhagen, and K. Luedtke-Buzug (2015). Construction of a device for magnetic separation of superparamagnetic iron oxide nanoparticles. Current Directions in Biomedical Engineering. 1. (1), 306-309 [doi] [BibTex]
  
  

• A. A. Ozaslan, A. R. Cagil, M. Graeser, T. Knopp, E. U. Saritas (2020). Design of a Magnetostimulation Head Coil with Rutherford Cable Winding. International Journal on Magnetic Particle Imaging. 6. (2), [Abstract]
  
  
• A. Antonelli, P. Szwargulski, E. Scarpa, C. Grüttner, L. Guidi, G. Ambrosi, T. Knopp, M. Magnani (2020). Encapsulation of new MPI tracer nanoparticles in the human red blood cells. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• A. Behrends, M. Graeser, and T.M. Buzug (2014). Signal chain optimization in Magnetic Particle Imaging. Student Conference on Medical Engineering Science. 3. 135-138
  
  
• A. C. Bakenecker, A. von Gladiss, M. Herbst, H. Lehr, M. Graeser, M. Ahlborg, T. Friedrich, and T. M Buzug (2019). Simultaneous Actuation and Visualization of a Magnetically Coated Swimmer with MPI. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019). 159-160
  
  
• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). Learning CT Segmentation from Label Masks Only. Medical Imaging with Deep Learning (MIDL 2024). [Abstract] [www]
  
  
• A. Tsanda, H. Nickisch, T. Wissel, T. Klinder, T. Knopp, and M. Grass (2024). On TotalSegmentator’s performance on low-dose CT images. Medical Imaging 2024: Image Processing. 12926. 129260B [Abstract] [doi] [www]
  
  
• A. Tsanda, P. Jürß, N. Hackelberg, M. Grosser, M. Möddel, and T. Knopp (2024). Extension of the Kaczmarz algorithm with a deep plug-and-play regularizer. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• A. von Gladiss, M. Graeser, R. M. Ferguson, A. P. Khandhar, S. J. Kemp, K. M. Krishnan, and T. M. Buzug (2016). The Particle Response of Blended Nanoparticles in MPI. International Workshop on Magnetic Particle Imaging. 115
  
  
• A. Weber, F. Werner, J. Weizenecker, T. M. Buzug and T. Knopp (2016). Investigation and Removal of Artifacts Due to Particles Located Outside the Field-Free-Point Trajectory. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 57
  
  
• C. Debbeler, M. Graeser, R. F. Knobloch, S. Becker, and K. Lüdtke-\-Buzug (2015). Evaluation of a Cotton-Mouton relaxometer for the characterization of superparamagnetic iron oxide nanoparticles. International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• C. Jung, J. Salamon, M. Hofmann, M. G. Kaul, G. Adam, H. Ittrich and T. Knopp (2016). MPI as high temporal resolution imaging technique for in vivo bolus tracking of Ferucarbotran in mouse model. 97880V-97880V-7 [Abstract] [doi] [www]
  
  
• C. Jung, J. Salamon, M. Hofmann, M. G. Kaul, G. Adam, H. Ittrich, T. Knopp (2016). MPI as high temporal resolution imaging technique for in vivo bolus tracking of Ferucarbotran in mouse model. 9788-30
  
  
• C. Jung, J. Salamon, P. Szwargulski, N. Gdaniec, M. Hofmann, M. G. Kaul, G. Adam, S. J. Kemp, R. M. Ferguson, A. P. Khandhar, K. M. Krishnan, T. Knopp and H. Ittrich (2016). Multi-Patch MPI allows whole Body Imaging of Mice using a Long Circulating Blood Pool Tracer. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 150
  
  
• C. Jung, J. Salamon, P. Szwargulski, N. Gdaniec, M. Hofmann, M. G. Kaul, G. Adam, S. J. Kemp, R. M. Ferguson, A. P. Khandhar, K. M. Krishnan, T. Knopp, and H. Ittrich (2016). Using a long circulating blood pool tracer to perform mulitp-patch MPI for whole body imaging of a mice. Radiological Society of North America (RSNA 2016)
  
  
• C. Jung, J. Salamon, P. Szwargulski, N. Gdaniec, M. Hofmann, M. G. Kaul, G. Adam, S. J. Kemp, R. M. Ferguson, A. P. Khandhar, K. M. Krishnan, T. Knopp, and Ittrich H. (2016). Performing mutli-patch MPI for whole body imaging of a mice using a long circulating blood pool tracer. World Molecular Imaging Congress (WMIC 2016) ID 2554171
  
  
• C. Kaethner, T. Knopp, M. Ahlborg, T. F. Sattel, and T. M. Buzug (2014). Efficient Gradient Fields in Magnetic Particle Imaging - From One Dimension to Multiple Dimensions. International Workshop on Magnetic Particle Imaging (IWMPI).
  
  
• D. Schmidt, M. Graeser, A. von Gladiss, T. M. Buzug, and U. Steinhoff (2016). Imaging Characterization of MPI Tracers Employing Offset Measurements in a 2D Magnetic Particle Spectrometer. International Workshop on Magnetic Particle Imaging. 114
  
  
• F. Foerger, J.-P. Scheel, F. Thieben, F. Mohn, T. Knopp, and M. Graeser (2022). Multi-Channel Current Control System for Coupled Multi-Coil Arrays. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• F. Foerger, M. Boberg, M. Möddel, J.-P. Scheel, M. Graeser, and T. Knopp (2022). Low-Power Iron Selection and Focus Field Generator. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Foerger, M. Graeser, and T. Knopp (2020). Iron core coil designs for MPI. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• F. Foerger, N. Hackelberg, M. Boberg, J.-P. Scheel, F. Thieben, L. Mirzojan, F. Mohn, M. Möddel, M. Graeser, and T. Knopp (2023). Flexible Selection Field Generation using Iron Core Coil Arrays. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Foerger, N. Hackelberg, M. Boberg, M. Möddel, F. Thieben, F. Mohn, and T. Knopp (2024). Single-Shot Magnetic Field Measurements for MPI. 13th International Workshop on Magnetic Particle Imaging (IWMPI 2024). 10. (1 Suppl 1), 1-1 [Abstract] [www]
  
  
• F. Griese, A. Dreyer, J. Salamon, H. Ittrich, and T. Knopp (2018). CoPLA coating material for interventional multi-spectral MPI. World Molecular Imaging Congress (WMIC) 2018. [Abstract]
  
  
• F. Griese, M. Prieske, M. Möddel, R. Werner, and T. Knopp (2019). MRI-based field of view selection for precise, real-time targeting in MPI. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019). 207-208 [Abstract]
  
  
• F. Griese, P. Ludewig, F. Thieben, N. Gdaniec, and T. Knopp (2018). Imaging and Moving Magnetic Beads with Magnetic Particle Imaging for targeted drug delivery. ISBI 2018 1293-1296 [Abstract] [doi]
  
  
• F. Griese, S. Latus, M. Graeser, M. Möddel, M. Schlüter, C. Otte, T. Saathoff, A. Schlaefer and T. Knopp (2018). Stenosis Analysis by synergizing MPI and intravascular OCT. IWMPI 2018 217-218
  
  
• F. Mohn, F. Foerger, F. Thieben, M. Möddel, T. Knopp, and M. Graeser (2024). Trade-off between Power Consumption and Receive Signal Strength for Inductively Coupled Transmit-Receive Circuits in MPI. 10. (1 Suppl 1), [Abstract] [doi]
  
  
• F. Mohn, M. Exner, P. Szwargulski, M. Möddel, T. Knopp, and M. Graeser (2023). Using Negative Bolus in Dynamic MPI. International Journal on Magnetic Particle Imaging IJMPI. 9.(1). [Abstract] [doi] [www]
  
  
• F. Mohn, P. Szwargulski, M. G. Kaul, M. Graeser, T. Mummert, K. M. Krishnan, T. Knopp, G. Adam, J. Salamon, and C. Riedel (2024). In Vitro Detection of Gastrointestinal Bleeding Using Single- and Multi-Contrast MPI. 10. (1 Suppl 1), [Abstract] [doi]
  
  
• F. Mohn, T. Knopp, and M. Graeser (2022). Role of Phase Encoding in Pulsed Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 8.(1) [Abstract] [doi] [www]
  
  
• F. Niebel, J. Schumacher, F. Mohn, M. Ahlborg, T.M. Buzug, and M. Graeser (2023). A Novel Approach to FFL Trajectory Analysis. International Journal on Magnetic Particle Imaging IJMPI. 9.(1), [Abstract] [doi] [www]
  
  
• F. Thieben, F. Foerger, F. Mohn, F. Sevecke, T. Knopp, and M. Graeser (2022). Heat it up: Thermal stabilization by active heating to reduce impedance drifts in capacitive matched networks. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• F. Thieben, F. Foerger, M. Boberg, T. Liebing, M. Graeser, M. Möddel, and T. Knopp (2022). Algorithmic Channel Decoupling for Misaligned Receive Coils in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, F. Mickoleit, S. Tessaro, P. Ludewig, D. Schüler, J.R. Garbayo, R. Uebe, and T. Knopp (2023). Development of Optimized Magnetic Particle Imaging Tracers Utilizing Genetically Engineered Magnetosomes. International Journal on Magnetic Particle Imaging. 9. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, F. Mohn, F. Foerger, N. Hackelberg, J.-P. Scheel, M. Graeser, and T. Knopp (2023). Safe and Rapid 3D Imaging: Upgrade of a Human-Sized Brain MPI System. International Journal on Magnetic Particle Imaging. 9. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, H. Albers, F. Mohn, F. Foerger, M. Boberg, K. Scheffler, M. Möddel, T. Kluth, and T. Knopp (2024). Experimental Parameter Calibration of the Scanner Model for Model-Based MPI. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, M. Boberg, M. Graeser, and T. Knopp (2022). Efficient 3D Drive-Field Characterization for Magnetic Particle Imaging Systems. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• F. Thieben, M. Boberg, P. Szwargulski, M. Graeser, and T. Knopp (2020). Gradient power reducing using pulsed selection-field sequences. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• F. Thieben, M. Graeser, M. Boberg, P. Szwargulski, M. Möddel, and T. Knopp (2019). Determining the Relation between Iron Mass and Spatial Resolution for a Human-Sized Magnetic Particle Brain Imager. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 41-42 [Abstract]
  
  
• F. Thieben, T. Knopp, M. Boberg, F. Foerger, M. Graeser, and M. Möddel (2023). The pitfalls of receive path calibration. International Journal on Magnetic Particle Imaging IJMPI. 9. (1 Suppl 1), [Abstract] [www]
  
  
• F. Werner, C. Jung, M. Hofmann, J. Salamon, R. Werner, D. Saering, M. G. Kaul, K. Them, O. M. Weber, T. Mummert, G. Adam, H. Ittrich, and T. Knopp (2016). Geometrieplanung und Bildregistrierung mittels bimodaler Fiducial-Marker für Magnetic Particle Imaging. Bildverarbeitung für die Medizin 2016 Springer: 128--133
  
  
• F. Werner, C. Jung, M. Hofmann, R. Werner, J. Salamon, D. Säring, M. G. Kaul, K. Them, O. M. Weber, T. Mummert, G. Adam, H. Ittrich, and T. Knopp (2016). Fiducial-Based Geometry Planning and Image Registration for Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 87
  
  
• F. Werner, C. Jung, M. Hofmann, R. Werner, J. Salamon, D. Säring, M. G. Kaul, K. Them, O. M. Weber, T. Mummert, G. Adam, H. Ittrich, and T. Knopp (2016). Geometrieplanung und Bildregistrierung mittels bimodaler Fiducial-Marker für Magnetic Particle Imaging. 1-5
  
  
• F. Werner, M. Gräser, F. Thieben, P Szwargulski, N. Gdaniec, M. Boberg, F. Griese, M. Möddel, P. Ludewig, D. van de Ven, O. M. Weber, O. Woywode, B. Gleich, and T. Knopp (2019). Stroke Detection using Magnetic Particle Imaging: A Phantom Study using a Human-sized Brain Phantom. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 141-142 [Abstract]
  
  
• F. Werner, N. Gdaniec, and T. Knopp (2017). Improving the Spatial Resolution of Bidirectional Cartesian MPI Data using Fourier Techniques. 7th International Workshop on Magnetic Particle Imaging (IWMPI 2017) 93 [Abstract]
  
  
• G. Bringout, J. Stelzner, M. Ahlborg, A. Behrends, K. Bente, C. Debbeler, A. von Gladiss, K. Gräfe, M. Graeser, C. Kaethner, S. Kaufmann, K. Lüdtke-\-Buzug, H. Medimagh, W. Tenner, M. Weber and T.M. Buzug (2015). Concept of a rabbit-sized {FFL}-scanner. [Abstract] [doi]
  
  
• H. Albers, F. Thieben, M. Boberg, K. Scheffler, T. Knopp, and T. Kluth (2023). Model-based Calibration and Image Reconstruction with Immobilized Nanoparticles. International Journal on Magnetic Particle Imaging. 9. (1), 1-5 [Abstract] [doi] [www]
  
  
• H. Ittrich, I. M. Baltruschat, L. A. Steinmeister, M. Grass, A. Saalbach, T. Knopp, G. Adam, H. Nickisch (2018). Effect of Inter-Observer Variability on Deep Learning in Chest X-Rays. Radiological Society of North America (RSNA 2018).
  
  
• I. M. Baltruschat, L. Steinmeister, H. Ittrich, G. Adam, H. Nickisch, A. Saalbach, J. von Berg, M. Grass, T. Knopp (2019). When does Bone Suppression and Lung Field Segmentation Improve Chest X-Ray Disease Classification?. International Symposium on Biomedical Imaging (ISBI 2019). [www]
  
  
• I. M. Baltruschat, L. Steinmeister, H. Ittrich, G. Adam, H. Nickisch, A. Saalbach, J. von Berg, M. Grass, T. Knopp (2019). Does Bone Suppression and Lung Detection Improve Chest Disease Classification?. Bildverarbeitung für die Medizin (BVM 2019).
  
  
• I. M. Baltruschat, A. Saalbach, M. P. Heinrich, H. Nickisch, S. Jockel (2018). Orientation Regression in Hand Radiographs: A Transfer Learning Approach. SPIE Medical Imaging: Image Processing (SPIE 2018). 10574-67
  
  
• I. M. Baltruschat, F. Griese, P. Szwargulski, R. Werner, T. Knopp (2019). Wrestling the Devil of Wasting Time: MPI System Matrix Recovery by Deep Learning. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019). 109-110
  
  
• I. M. Baltruschat, P. Szwargulski, F. Griese, M. Grosser, R. Werner, and T. Knopp (2021). Reduktion der Kalibrierungszeit für die Magnetpartikelbildgebung mittels Deep Learning. Bildverarbeitung für die Medizin 2021: Proceedings, German Workshop on Medical Image Computing. 337-337
  
  
• J. Ackers, F. Mohn, N. Hackelberg, T. Knopp, T.M. Buzug, and M. Graeser (2023). Model-based voltage predictions for arbitrary waveform excitation in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging IJMPI. 9.(1). [Abstract] [doi] [www]
  
  
• J. Salamon, M. Hofmann, C. Jung, M. G. Kaul, R. Reimer, A. vom Scheid, G. Adam, T. Knopp, and H. Ittrich (2016). The Next Step towards Interventional MPI: Real Time 3D MPI-Guided Treatment of a Vessel Stenosis using a Blood Pool Agent and MRI Road Map Approach. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 122
  
  
• J. Salamon, M. Hofmann, C. Jung, M. G. Kaul, R. Reimer, A. vom Scheidt, G. Adam, H. Ittrich, and T. Knopp (2016). Real-time 3D MPI-guided angioplasty using an MRI road map and blood pool agent approach: next steps towards interventional MPI. 425 [doi] [www]
  
  
• J. Sedlacik, A. Frölich, J. Spallek, N. D. Forkert, T. D. and Faizy, F. Werner, T. Knopp, D. Krause, J. Fiehler, and J.-H. Buhk (2016). Assessing Flow Dynamics in a 3D Printed Aneurysm Model by Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 145
  
  
• J. Stelzner, G. Bringout, M. Graeser, and T.M. Buzug (2015). Toroidal variometer for a magnetic particle imaging device. 5th International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• J. Stelzner, M. Graeser, and T. M. Buzug (2014). Design and Construction of a Toroidal Filter Coil for a {Magnetic Particle Imaging} Device. Biomedizinische Technik/Biomedical Engineering. 59. (s1), [doi]
  
  
• J. Wernecke, M. Graeser, M. Möddel, T. Mummert, M. G. Kaul, H. Ittrich, and J. M. Salamon (2020). Volumetry in magnetic particle imaging. International journal on magnetic particle imaging. 6. (2 Suppl. 1),
  
  
• K. Gräfe, G. Bringout, M. Graeser, T. F. Sattel, and T. M. Buzug (2014). Single-Sided {Magnetic Particle Imaging} scanner: System matrix measurement. Biomedizinische Technik. Biomedical Engineering. 59, Suppl. 1. 638--642 [doi]
  
  
• K. Scheffler, F. Thieben, F. Mohn, M. Graeser, and T. Knopp (2023). MPI Signal Performance of Resotran. 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023). 1-1 [Abstract] [www]
  
  
• K. Scheffler, L. Meyn, F. Foerger, M. Boberg, M. Möddel, and T. Knopp (2024). Ellipsoidal Harmonic Expansions for Efficient Approximation of Magnetic Fields in Medical Imaging. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2022). Boundary artifact reduction by extrapolating system matrices outside the field-of-view in joint multi-patch MPI. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2023). Hands-free Reconstruction for MPI. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• K. Scheffler, M. Grosser, M. Boberg, and T. Knopp (2023). Sparsifying system matrices by combined usage of compressed sensing and extrapolation. 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023). 1-1 [Abstract] [www]
  
  
• K. Them, J. Salamon, H. Ittrich, M. Kaul, C. Lange, H. Ittrich and T. Knopp (2016). Immobilized Iron Oxide Nanoparticles for Stem Cell Reconstruction in Magnetic Particle Imaging.
  
  
• K. Them, J. Salamon, M. G. Kaul, C. Lange, H. Ittrich and T. Knopp (2016). Steigerung der Sensitivität und Reduzierung von Artifakten für Stammzell-Monitoring in Magnetic Particle Imaging. Röko Wiss 317.4.
  
  
• K. Them, J. Salamon, M. G. Kaul, C. Lange, H. Ittrich and T. Knopp (2016). Sensitivity enhancement for stem cell monitoring in Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 85
  
  
• K. Them, M. G. Kaul, C. Jung, M. Hofmann, T. Mummert, F. Werner and T. Knopp (2015). Sensitivity enhancement in Magnetic Particle Imaging by Background Subtraction.
  
  
• K. Them, M. G. Kaul, C. Jung, M. Hofmann, T. Mummert, F. Werner and T. Knopp (2016). Enhancing the sensitivity in Magnetic Particle Imaging by Background Subtraction. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 83
  
  
• L. Moor, S. Scheibler, L. Gerken, K. Scheffler, F. Thieben, T. Knopp, I. Herrmann, and F. Starsich (2022). MPI tracer interactions and their effect on signal stability. International Journal on Magnetic Particle Imaging. 8. (1), 1-3 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Grosser, M. Möddel, and T. Knopp (2022). Accelerated Kaczmarz for Convergence Speed-up in Multi-Contrast Magnetic Particle Imaging. 1-4 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Influence of the System Matrix on Channel Leakage Artifacts in Multi-Contrast MPI. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Multi-contrast MPI channel leakage reduction using a two-step measurement and reconstruction method. International Journal on Magnetic Particle Imaging. 10. (1 Suppl 1), 1-4 [Abstract] [doi] [www]
  
  
• L. Nawwas, M. Möddel, and T. Knopp (2024). Sparse Kaczmarz for Convergence Speed-up in Multi-Contrast Magnetic Particle Imaging. 2024 IEEE International Symposium on Biomedical Imaging (ISBI). (1-4), 1-4 [Abstract] [doi]
  
  
• L. Nawwas, M. Möddel, T. Knopp, and C. Brandt (2020). Bias-reduction for sparsity promoting regularization in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 6. (2), 1-2 [Abstract] [doi] [www]
  
  
• L. Sobirey, N. Luick, F. Foerger, T. Lompe and H. Moritz (2018). Probing homogenous two-dimensional Fermi gases in momentum space. APS Division of Atomic and Molecular Physics Meeting. [Abstract]
  
  
• L. Zdun, M. Boberg, and C. Brandt (2022). Fast and artifact reducing joint multi-patch MPI reconstruction. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Ahlborg, C. Kaethner, P. Szwargulski, T. Knopp, T. M. Buzug (2018). Reusing System Matrices of Patches in Magnetic Particle Imaging via Mirroring. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018) 51-52
  
  
• M. Ahlborg, C. Kaethner, P. Szwargulski, T. Knopp, T. M. Buzug (2018). Patches in Magnetic Particle Imaging. BVM Workshop 2018 169
  
  
• M. Ahlborg, C. Kaethner, T. Knopp, P. Szwargulski and T. M. Buzug (2016). The Influence of Trajectory and System Matrix Overlap on Image Reconstruction Results in Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 175
  
  
• M. Ahlborg, T. Knopp and T. M. Buzug (2014). Comparison of x-space and Chebyshev reconstruction in magnetic particle imaging. IWMPI 2014
  
  
• M. Boberg and T. Knopp (2022). Two-Step Reconstruction of Widely Differing Particle Concentrations in Magnetic Particle Imaging. 4th Workshop Women in Optimization. [www]
  
  
• M. Boberg and T. Knopp (2022). Two-Step Reconstruction with Spatially Adaptive Regularization for Increasing the Dynamic Range in MPI. International Journal on Magnetic Particle Imaging. 8. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Boberg, J. Hunecke, F. Thieben, M. Graeser, and T. Knopp (2023). MPI Transfer-Function Estimation with Receive-Coil Coupling. International Journal on Magnetic Particle Imaging. 9. (1), 1-4 [Abstract] [doi] [www]
  
  
• M. Boberg, M. Möddel, and T. Knopp (2019). Magnetic field based system matrix corrections for multi-patch MPI reconstructions. 9th International Congress on Industrial and Applied Mathematics (ICIAM 2019). 333 [Abstract] [www]
  
  
• M. Boberg, N. Gdaniec, M. Möddel, P. Szwargulski, and T. Knopp (2022). Suppression of Motion Artifacts in Multi-Patch Magnetic Particle Imaging of a Phantom with Periodic Motion. SIAM Conference on Imaging Science (IS22). [Abstract]
  
  
• M. Boberg, T. Knopp, and M. Möddel (2018). Analysis and Comparison of Magnetic Fields in MPI using Spherical Harmonic Expansions. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018). 159-160
  
  
• M. Boberg, T. Knopp, and M. Möddel (2019). Magnetic Field Based Similarity Measure for System Matrices in Magnetic Particle Imaging. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019). 73-74 [Abstract]
  
  
• M. Boberg, T. Knopp, and M. Möddel (2020). Reducing displacement artifacts by warping system matrices in efficient joint multi-patch magnetic particle imaging. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• M. Boberg, T. Knopp, and M. Möddel (2023). Reducing displacement artifacts in multi-patch magnetic particle imaging. 10th International Congress on Industrial and Applied Mathematics (ICIAM 2023). 05026 [Abstract] [www]
  
  
• M. Exner, P. Szwargulski, P. Ludewig, T. Knopp, and M. Graeser (2019). Anatomical Rat Phantom for Medical Imaging. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 151-152 [Abstract]
  
  
• M. G. Kaul, C. Jung, J. Salamon, H. Ittrich, G. Adam, and T. Knopp (2015). Analyzing dynamic processes from the raw magnetic particle measurement signal. 1pp
  
  
• M. G. Kaul, C. Jung, J. Salamon, T. Mummert, M. Hofmann, S. J. Kemp, R. M. Ferguson, A. P. Khandhar, K. M. Krishnan, H. Ittrich, G. Adam and T. Knopp (2016). In vivo measurement und comparison of two Magnetic Particle Imaging tracer: LS-008 and Resovist. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 109
  
  
• M. G. Kaul, H. Ittrich, O. Weber, U. Heinen, A. Reitmeier, T. Mummert, C. Jung, N. Raabe, T. Knopp, and G. Adam (2015). Combined in vivo magnetic particle imaging and in vivo magnetic resonance imaging in mouse. 1pp
  
  
• M. G. Kaul, J. Salamon, C. Jung, M. Graeser, H. Ittrich, G. Adam, and K. Peldschus (2019). Pulmonare Zirkulationszeitmessung und Lungenblutvolumenbestimmung in der Maus mittels Magnetic Particle Imaging und der Magnetresonanztomografie. RöFo-Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 191. (S01),
  
  
• M. G. Kaul, T. Mummert, J. Salamon, C. Jung, M. Graeser, T. Knopp, G. Adam, and H. Ittrich (2019). Sub-second bolus injection for increasing local sensitivity during the first pass of magnetic particle imaging. 9th International Workshop on Magnetic Particle Imaging 101-102
  
  
• M. G. Kaul, T. Mummert, J. Salamon, C. Jung,M. Graeser, T. Knopp, G. Adam, and H. Ittrich (2019). Sub-second bolus injection for increasing local sensitivity during the first pass of magnetic particle imaging. 9th International Workshop on Magnetic Particle Imaging. 101-102
  
  
• M. G. Kaul, T. Mummert, J. Salamon, M. Hofmann, H. Ittrich, G. Adam, T. Knopp and C. Jung (2016). In vivo Velocity Determination in the Inferior Vena Cava in Mice by Magnetic Particle Imaging and Magnetic Resonance Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 158
  
  

2013

• A. Timmermeyer, H. Wojtczyk, W. Tenner, G. Bringout, M. Grüttner, M. Graeser, T. Sattel, A. Halkola, and T. M. Buzug (2013). Super-resolution approaches for resolution enhancement in magnetic particle imaging. 3rd International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• A. Weber and T. Knopp (2013). Exploiting the symmetry of the magnetic particle imaging system matrix. [doi]
  
  
• T. Knopp and A. Weber (2013). Recovery of the Magnetic Particle Imaging System Matrix Using Compressed Sensing Reconstruction. [doi]
  
  
• T. Knopp and A. Weber (2013). Sparse Reconstruction of the Magnetic Particle Imaging System Matrix. IEEE Trans. Med. Imag.. 32. (8), 1473--1480
  
  
• N. Gdaniec, T. Nielsen, P. Börnert, H. Eggers, M. Doneva and A.Mertins (2013). Towards Clinical Robustness in 3D Abdominal Water/Fat Imaging. In Proceedings of the 21st Annual Meeting of ISMRM. 4278
  
  
• N. Gdaniec, T. Nielsen, P. Boernert, H. Eggers, M. Doneva, and A. Mertins (2013). Robust Resolution-adapted 3D Abdominal Breath-hold Water-Fat Imaging with Self-termination. ISMRM Workshop on data sampling.
  
  
• N. Gdaniec, P. Koken, P. Börnert, C. Stehning, H. Eggers, M. Doneva and A. Mertins (2013). Robust Dual-Contrast 3D Abdominal Imaging Within a Single Breath-Hold. In Proceedings of the 21st Annual Meeting of ISMRM. 3714
  
  
• M. Hofmann, G. Rudolph, and M. Schmidt (2013). On the reflection type decomposition of the adjoint reduced phase space of a compact semisimple Lie group. Journal of Mathematical Physics. 54. (8), [Abstract] [doi] [www]
  
  
• M. Grüttner, T. Sattel, F. Griese, T. M. Buzug (2013). System matrices for field of view patches in magnetic particle imaging. 86721A----86721A
  
  
• M. Grüttner, T. F. Sattel, G. Bringout, M. Graeser, W. Tenner, H. Wojtczyk, and T. M. Buzug (2013). Truncation artifacts in {Magnetic Particle Imaging}. 3rd International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• M. Gruettner, T. Knopp, J. Franke, M. Heidenreich, J. Rahmer, A. Halkola, C. Kaethner, J. Borgert and T. M. Buzug (2013). On the Formulation of the Image Reconstruction Problem in Magnetic Particle Imaging. Biomedical Engineering. 58. (6), 583--91
  
  
• M. Graeser, T. Knopp, M. Grüttner, T. F. Sattel, G. Bringout, W. Tenner, H. Wojtczyk and T. M. Buzug (2013). Cancellation Techniques for MPI. International Workshop on Magnetic Particle Imaging.
  
  
• M. Graeser, T. Knopp, M. Grüttner, T. F. Sattel, and T. M. Buzug (2013). Analog receive signal processing for magnetic particle imaging. Medical Physics. 40. (4), 042303 [Abstract] [doi] [pmid]
  
  
• M. Graeser, T. Knopp, M. Gruettner, T. F. Sattel and T. M. Buzug (2013). Analog Signal Processing for Magnetic Particle Imaging. Med. Phys.. 40. 042303-1 - 042303-91 [doi]
  
  
• M. Graeser, T. F. Sattel, and T. M. Buzug (2013). High homogeneous saddle drive field coil for Magnetic Particle Spectroscopy. [doi] [pmid]
  
  
• K. Them, T. Stapelfeldt, E. Y. Vedmedenko, and R. Wiesendanger (2013). Non-equilibrium finite temperature dynamics of magnetic quantum systems: Applications to spin-polarized scanning tunneling microscopy. New Journ. Phys.. 15. 013009
  
  
• K. Them and M. Brum (2013). States of low energy in homogeneous and inhomogeneous, expanding spacetimes. Class. Quantum Grav.. 30. 235035
  
  
• K. Gräfe, M. Grüttner, T.F. Sattel, M. Graeser, and T.M. Buzug (2013). Single-sided magnetic particle imaging: magnetic field and gradient. Proc. {SPIE}. 8672. [Abstract] [doi] [www]
  
  
• J. Krieger, K. Köhler, M. Graeser, and K. Lüdtke-\-Buzug (2013). Construction of a spectrometer to measure the Cotton-Mouton effect of superparamagnetic iron oxide nanoparticles. Biomedizinische Technik/Biomedical Engineering. 58. (s1), [doi] [www]
  
  
• J. Haegele, S. Biederer, H. Wojtczyk, M. Graeser, T. Knopp, T. M. Buzug, J. Barkhausen, and F. M. Vogt (2013). Toward cardiovascular interventions guided by magnetic particle imaging: first instrument characterization. Magnetic Resonance in Medicine. 69. (6), 1761--1767 [Abstract] [doi] [pmid]
  
  
• J. Haegele, S. Biederer, H. Wojtczyk, M. Graeser, T. Knopp, T. M. Buzug, J. Barkhausen and F. M. Vogt (2013). Towards Cardiovascular Interventions Guided by Magnetic Particle Imaging (MPI): First Instrument Characterization. Magnetic Resonance in Medicine. 69. (6), 1761--1767
  
  
• J. Haegele, R. Duschka, M. Graeser, K. Lüdtke-Buzug, C. Schaecke, N. Panagiotopoulos, T. M. Buzug, J, Barkhausen, and F. Vogt (2013). {Magnetic Particle Imaging}: Kinetics of the intravascular signal in vivo. 3rd International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• J. Haegele, R. Duschka, M. Graeser, C. Schaecke, N. Panagiotopoulos, T. M. Buzug, J. Barkhausen, and F. M. Vogt (2013). {Magnetic Particle Imaging}: {Kinetik} des intravaskulären {Tracersignals} in vivo. [doi]
  
  
• H. Wojtczyk, G. Bringout, W. Tenner, M. Graeser, M. Grüttner, T.F. Sattel, K. Gräfe, J. Haegele, R. L. Duschka, N. Panagiotopoulos, F. M. Vogt, J. Barkhausen, and T. M. Buzug (2013). Comparison of open scanner designs for interventional {Magnetic Particle Imaging}. [doi] [pmid]
  
  
• H. Wojtczyk, A. Timmermeyer, W. Tenner, T. F. Sattel, G. Bringout, M. Grüttner, M. Graeser, and T. M. Buzug (2013). Measure of trajectory quality in {Magnetic Particle Imaging}. International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• G. Bringout, H. Wojtczyk, W. Tenner, M. Graeser, M. Grüttner, J. Haegele, R. Duschka, N. Panagiotopoulos, F.M. Vogt, J. Barkhausen and T.M. Buzug (2013). A high power driving and selection field coil for an open MPI scanner. [Abstract] [doi]
  
  
• W. Tenner, H. Wojtczyk, G. Bringout, M. Graeser, M. Grüttner, J. Haegele, R. L. Duschka, N. Panagiotopoulos, F. M. Vogt, J. Barkhausen, and T. M. Buzug (2013). Receive coil optimization for an open magnetic particle imaging scanner. 3rd International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• T. Moroder, J.-D. Bancal, Y.-C. Liang, M. Hofmann, and O. Gühne (2013). Device-Independent Entanglement Quantification and Related Applications. Phys. Rev. Lett.. 111. 030501 [Abstract] [doi] [www]
  
  

2012

• G. Bringout, H. Wojtczyk, M. Grüttner, M. Graeser, W. Tenner, J. Hägele, F.M. Vogt, J. Barkhausen and T.M. Buzug (2012). Safety aspects for a pre-clinical {Magnetic Particle Imaging} scanner. (140), 355--359 [Abstract] [doi] [www]
  
  
• M. Grüttner, T. F. Sattel, M. Graeser, H. Wojtczyk, G. Bringout, W. Tenner, and T. M. Buzug (2012). Enlarging the field of view in {Magnetic Particle Imaging} – A comparison. Springer Proceedings in Physics. (140), 249--253 [Abstract] [doi] [www]
  
  
• T. Knopp, T. F. Sattel and T. M. Buzug (2012). Efficient Positioning of the Field-Free Point in Magnetic Particle Imaging.
  
  
• T. Knopp, T. F. Sattel and T. M. Buzug (2012). Efficient Magnetic Gradient Field Generation With Arbitrary Axial Displacement for Magnetic Particle Imaging. IEEE Magnetics Letters. 3. 6500104--6500104
  
  
• T. Knopp and T. M. Buzug (2012). Magnetic Particle Imaging: An Introduction to Imaging Principles and Scanner Instrumentation. [www]
  
  
• T. Knopp (2012). Kalibrierverfahren für eine MPI (=Magnetic-Particle-Imaging)-Apparatur, WO2014005658 A1, submitted as european patent. (WO2014005658 A1, submitted as european patent),
  
  
• T. F. Sattel, M. Erbe, S. Biederer, T. Knopp, D. Finas, K. Diedrich, K. Lüdtke-Buzug, J. Borgert and T. M. Buzug (2012). Single-sided magnetic particle imaging device for the sentinel lymph node biopsy scenario.
  
  
• N. Gdaniec, H. Eggers, P. Boernert, M. Doneva, and Alfred Mertins (2012). Towards Clinical Robustness in Abdominal Water-Fat Imaging. Book of Abstracts, Annual Meeting ESMRMB. 194.
  
  
• N. Gdaniec, H. Eggers, P. Boernert, M. Doneva, A. Mertins (2012). Novel Sampling Strategy for Abdominal Imaging with Incomplete Breathholds. Book of Abstracts, Annual Meeting ISMRM. 600
  
  
• M. Graeser, T. Knopp, T. F. Sattel, M. Grüttner, and T. M. Buzug (2012). Signal separation in magnetic particle imaging. {IEEE} Nuclear Science Symposium and Medical Imaging Conference ({NSS}/{MIC}). 2483--2485 [Abstract] [doi]
  
  
• H. Wojtczyk, J. Haegele, M. Grüttner, W. Tenner, G. Bringout, M. Graeser, F. M. Vogt, J. Barkhausen, and T. M. Buzug (2012). Visualization of instruments in interventional {Magnetic Particle Imaging} ({i{MPI}}): A simulation study on {SPIO} labelings. Springer Proceedings in Physics. (140), 167--172 [Abstract] [doi] [www]
  
  
• M. Graeser, T. Knopp, M. Grüttner, T. F. Sattel and T. M. Buzug (2012). Signal Separation in MPI. IEEE Medical Imaging Conference.
  
  
• M. Graeser, S. Biederer, M. Grüttner, H. Wojtczyk, T. F. Sattel, W. Tenner, G. Bringout, and T. M. Buzug (2012). Determination of system functions for Magnetic Particle Imaging. (140), 59--64 [Abstract] [doi] [www]
  
  
• M. Erbe, T. Knopp, T. F. Sattel and T. M. Buzug (2012). Influence of Magnetic Field Optimization on Image Quality Achieved for Efficient Radon-based Reconstruction in Field Free Line Imaging in MPI. 225--229
  
  
• M. Erbe, T. F. Sattel, T. Knopp and T. M. Buzug (2012). Enhancing the Efficiency of a Field Free Line Scanning Device for Magnetic Particle Imaging.
  
  
• M. Balzer, N. Gdaniec and M. Potthoff (2012). Krylov-space approach to the equilibrium and nonequilibrium single-particle Green’s function. Journal of Physics: Condensed Matter. 24. (3), 35603
  
  
• J. Haegele, S. Biederer, H. Wojtczyk, M. Graeser, T. Knopp, T.M. Buzug, J. Barkhausen and F.M. Vogt (2012). Towards cardiovascular interventions guided by magnetic particle imaging (MPI): First instrument characterisation. European Congress of Radiology. (B-0287),
  
  
• J. Bohnert, M. Graeser, B. Gleich and O. Dössel (2012). Experimental thresholds of magnetically induced currents via a figure-of-eight coil up to 25 {kHz}. Biomedizinische Technik. Biomedical Engineering. 57. (3), 185--191 [Abstract] [doi] [pmid]
  
  
• T. M. Buzug, G. Bringout, M. Erbe, K. Gräfe, M. Graeser, M. Grüttner, A. Halkola, T. F. Sattel, W. Tenner, H. Wojtczyk, J. Haegele, F. M. Vogt, J. Barkhausen, and K. Lüdtke-\-Buzug (2012). Magnetic particle imaging: introduction to imaging and hardware realization. Zeitschrift Für Medizinische Physik. 22. (4), 323--334 [Abstract] [doi] [pmid]
  
  

2011

• M. Erbe, T. F. Sattel, T. Knopp, S. Biederer and T. M. Buzug (2011). An optimized field free line scanning device for magnetic particle imaging. BMT.2011.298
  
  
• T. Knopp (2011). {Effiziente Rekonstruktion und alternative Spulentopologien für Magnetic-Particle-Imaging}. GI-Edition -- Lecture Notes in Informatics (LNI), Ausgezeichnete Informatikdissertationen 2010. D-11. 151--160
  
  
• T. M. Buzug, T. F. Sattel, M. Erbe, S. Biederer, D. Finas, K. Diedrich, F. M. Vogt, J. Barkhausen, K. Luedtke-Buzug and T. Knopp (2011). Novel Hardware Developments in Magnetic Particle Imaging. 79650T. 1--6
  
  
• T. M. Buzug, T. F. Sattel, M. Erbe, S. Biederer, M. Graeser, M. Gruettner, W. Tenner, H. Wojtczyk, J. Borgert, D. Finas, J. Barkhausen, K. Luedtke-Buzug and T. Knopp (2011). Magnetic Particle Imaging: Novel Field Generating Devices for Optimized Imaging. BMT.2011.227
  
  
• T. Knopp, T. F. Sattel, S. Biederer, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2011). Receive Coil Array for Magnetic Particle Imaging. 1666--1669
  
  
• T. Knopp, S. Biederer, T. F. Sattel, M. Erbe and T. M. Buzug (2011). Prediction of the Spatial Resolution of Magnetic Particle Imaging Using the Modulation Transfer Function of the Imaging Process. IEEE Trans. Med. Imaging. 30. (6), 1284--1292
  
  
• T. Knopp, S. Biederer, T. F. Sattel, M. Erbe and T. M. Buzug (2011). Über das Auflösungsvermögen von Magnetic Particle Imaging. 329--333
  
  
• T. Knopp, M. Erbe, T. F. Sattel, S. Biederer and T. M. Buzug (2011). A Fourier slice theorem for magnetic particle imaging using a field-free line. Inverse Problems. 27. 095004
  
  
• T. F. Sattel, T. Knopp and T. M. Buzug (2011). Spulensystem für Magnetic Particle Imaging mit minimierten ohmschen Verlusten, PCT/EP2011/055376, submitted as european patent. (PCT/EP2011/055376, submitted as european patent),
  
  
• M. Erbe, T. Knopp, T. F. Sattel, S. Biederer and T. M. Buzug (2011). Experimentelle Validierung des Konzeptes einer feldfreie Linie für Magnetic-Particle-Imaging anhand von Magnetfeldmessungen. 334--338
  
  
• T. F. Sattel, S. Biederer, M. Erbe, T. Knopp and T. M. Buzug (2011). Magnetic Particle Spectrometer with Enlarged Excitation Field Strength. BMT.2011.275
  
  
• S. Biederer, T. F. Sattel, M. Erbe, T. Knopp and T. M. Buzug (2011). A Compensation Unit for a Magnetic Particle Spectrometer to Measure the Full Magnetization Spectrum of Superparamagnetic Iron Oxide Nanoparticles.
  
  
• R. Bruder, F. Griese, F. Ernst, A. Schweikard (2011). High-accuracy ultrasound target localization for hand-eye calibration between optical tracking systems and three-dimensional ultrasound. 179--183
  
  
• M. Weber, T. F. Sattel, T. Knopp, B. Gleich, J. Borgert and T. M. Buzug (2011). Optimierung einer Permanentmagnetgeometrie zur Generierung eines Selektionsfeldes für Magnetic-Particle-Imaging. 419--423
  
  
• M. Grüttner, M. Graeser, S. Biederer, T. F. Sattel, H. Wojtczyk, W. Tenner, T. Knopp, B. Gleich, J. Borgert, and T. M. Buzug (2011). 1D-image reconstruction for magnetic particle imaging using a hybrid system function. {IEEE} Nuclear Science Symposium and Medical Imaging Conference ({NSS}/{MIC}). 2545--2548 [Abstract] [doi]
  
  
• M. Graeser, S. Biederer, M. Gruettner, H. Wojtczyk, W. Tenner, T. F. Sattel, B. Gleich, J. Borgert and T. M. Buzug (2011). Determination of a 1D-MPI-System-Function using a Magnetic Particle Spectroscope. Biomedizinische Technik/Biomedical Engineering. BMT.2011.302
  
  
• M. Erbe, T. Knopp, T. F. Sattel, S. Biederer and T. M. Buzug (2011). Experimental generation of an arbitrarily rotated field-free line for the use in magnetic particle imaging. Med. Phys.. 38. (9), 5200--5207
  
  
• T.M. Buzug, T.F. Sattel, M. Erbe, S. Biederer, M. Graeser, M. Grüttner, W. Tenner, H. Wojtczyk, J. Borgert, D. Finas, K. Dietrich, , F.M. Vogt, J. Barkhausen, K. Lüdtke-\-Buzug and T. Knopp (2011). {Magnetic Particle Imaging}: Novel field generating devices for optimized imaging. Biomedizinische Technik/Biomedical Engineering. 56. (1),
  
  

2010

• D. Finas, B. Ruhland, K. Baumann, T. Knopp, T. F. Sattel, S. Biederer and K. Luedtke-Buzug, T. M. Buzug and K. Diedrich (2010). Sentinal Lymphnode Detection in Breast Cancer by Magnetic Particle Imaging Using Superparamagnetic Nanoparticles. 1. 35
  
  
• F. M. Vogt, J. Barkhausen, S. Biederer, T. F. Sattel, T. Knopp, K. Luedtke-Buzug and T. M. Buzug (2010). Current Iron Oxide Nanoparticles - Impact on MRI and MPI. 1. 12
  
  
• T. M. Buzug , T. F. Sattel, T. Knopp and S. Biederer (2010). Apparatus and method for influencing and/or detecting magnetic particles in a field of view having an array of single-sided transmit coil sets, ID 294263, submitted as united states patent. (ID 294263, submitted as united states patent),
  
  
• T. Knopp, T. F. Sattel, S. Biederer and T. M. Buzug (2010). Field-Free line formation in a magnetic field. J. Phys. A: Math. Theor.. 43. (1), 9pp
  
  
• T. Knopp, T. F. Satte, S. Biederer, J. Rahmer, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2010). Model-based reconstruction for magnetic particle imaging. IEEE Trans. Med. Imaging. 29. (1), 12--18
  
  
• T. Knopp, S. Biederer, T. F. Sattel, K. Luedtke-Buzug, M. Erbe and T. M. Buzug (2010). Efficient Field-Free Line Generation for Magnetic Particle Imaging. 1. 26
  
  
• T. Knopp, S. Biederer, T. F. Sattel, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2010). Rekonstruktion von Magnetic Particle Imaging Daten mittels einer modellierten Systemfunktion. 1--5
  
  
• T. Knopp, S. Biederer, T. F. Sattel, J. Rahmer, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2010). 2D Model-based reconstruction for magnetic particle imaging. Med. Phys.. 37. (2), 485--491
  
  
• T. Knopp, M. Erbe, T. F. Sattel, S. Biederer and T. M. Buzug (2010). Generation of a static magnetic field-free line using two Maxwell coil pairs. Appl. Phys. Lett.. 97. 092505-1--092505-3
  
  
• T. Knopp, M. Erbe, S. Biederer, T. F. Sattel and T. M. Buzug (2010). Efficient Generation of a Magnetic Field-Free Line. Med. Phys.. 37. (7), 3538--3540
  
  
• T. Knopp, J. Rahmer, T. F. Sattel, S. Biederer, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2010). Weighted iterative reconstruction for magnetic particle imaging. Phys. Med. Biol.. 55. (8), 1577--1589
  
  
• T. F. Sattel, T. Knopp, S. Biederer, M. Erbe, K. Luedtke-Buzug and T. M. Buzug (2010). Resolution Distribution in Single-Sided Magnetic Particle Imaging. 1. 24
  
  
• T. M. Buzug, T. F. Sattel, M. Erbe, S. Biederer, J. Borgert, D. Finas, K. Dietrich, F. Vogt, J. Barkhausen, K. Luedtke-Buzug and T. Knopp (2010). Alternative Spulentopologien für Magnetic-Particle-Imaging.
  
  
• S. Kaufmann, S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2010). A Surveillance Unit for Magnetic Particle Imaging. 1. 9
  
  
• S. Biederer, T.F. Sattel, S. Kren, M. Erbe, T.Knopp, K. Luedtke-Buzug and T.M. Buzug (2010). A Spectrometer Using Oscillating and Static Fields to Measure the Suitability of Super-Paramagnetic Nanoparticles for Magnetic Particle Imaging. 96
  
  
• S. Biederer, T. F. Sattel, T. Knopp, M. Erbe, K. Luedtke-Buzug, F. M. Vogt, J. Barkhausen and T. M. Buzug (2010). A Spectrometer to Measure the Usability of Nanoparticles for Magnetic Particle Imaging. 1. 20
  
  
• S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2010). Variable Trajektoriendichte in Magnetic Particle Imaging. 6-10
  
  
• S. Biederer, S. Kren, T. F. Sattel, M. Erbe, T.Knopp, K. Lüdtke-Buzug and T. M. Buzug (2010). Ein magnetisches Partikel-Spektrometer zur Messung der Magnetisierung von Nanopartikeln unter der Verwendung von AC- und DC-Feldern. 55. 295pp
  
  
• M. Graeser, J. Bohnert, and O. Dössel (2010). Abschätzung der muskelstimulierenden Wirkung von Magnetwechselfeldern im {kHz}-Bereich. Biomedizinische Technik. Biomedical Engineering. 55.
  
  
• M. Erbe, T. Knopp, S. Biederer, T. F. Sattel and T. M. Buzug (2010). Experimentelle Erzeugung einer magnetischen feldfreien Linie für die Anwendung in Magnetic Particle Imaging. 101
  
  
• K. Luedtke-Buzug, S. Biederer, M. Erbe, T. Knopp, T. F. Sattel and T. M. Buzug (2010). Superparamagnetic Iron Oxide Nanoparticles for Magnetic Particle Imaging. 1. 2
  
  
• F. M. Vogt, S. Biederer, M. Simon, K. Luedtke-Buzug, T. Knopp, T. F. Sattel, T.M. Buzug and J. Barkhausen (2010). Magnetic Particle Imaging: Evaluation unterschiedlicher superparamagnetischer Eisenoxidpartikel für ein neues bildgebendes Verfahren.
  
  
• T. Knopp, T. F. Sattel, S. Biederer and T. M. Buzug (2010). Limitations of Measurement-Based System Functions in Magnetic Particle Imaging.
  
  
• T. F. Sattel, S. Biederer, T. Knopp and T. M. Buzug (2010). Magnetic Field Generation For Multi-Dimensional Single-Sided Magnetic Particle Imaging. 3297
  
  
• S. Biederer, T. Knopp, T. F. Sattel, M. Erbe and T. M. Buzug (2010). Improved Estimation of the Magnetic Nanoparticle Diameter with a Magnetic Particle Spectrometer and Combined Fields. 954
  
  
• T. Knopp, M. Erbe, T. F. Sattel, S. Biederer and T. M. Buzug (2010). Efficient Generation of a Magnetic Field-Free Line. 952
  
  
• S. Biederer, T. F. Sattel, T. Knopp, M. Erbe and T. M. Buzug (2010). Improving the Imaging Quality in Magnetic Particle Imaging by a Traveling Phase Trajectory. 3296
  
  
• T. F. Sattel, T. Knopp, S. Biederer and T. M. Buzug (2010). Open Coil Arrangement for Interventional Magnetic Particle Imaging. 945
  
  

2009

• S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2009). Apparatus and method for influencing and/or detecting magnetic particles, {EP} 09168367, submitted as european patent. (EP09168367, submitted as european patent),
  
  
• S. Biederer, F. M. Vogt, K. Lüdtke-Buzug, T. Knopp, T. F. Sattel, J. Barkhausen and T. M. Buzug (2009). A Study on the Performance of Different Superparamagnetic Iron Oxide Particles in Magnetic Particle Imaging. 22. (Supplement 1), 709
  
  
• S. Biederer, T. F. Sattel, T. Knopp, K. Lüdtke-Buzug, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2009). The Influence of the Particle-Size Distribution on the Image Resolution in Magnetic Particle Imaging. 22. (Supplement 1), 499
  
  
• B. Ruhland, K. Baumann, T. Knopp, T. F. Sattel, S. Biederer, K. Lüdtke-Buzug, T. M. Buzug, K. Diedrich, and D. Finas (2009). Magnetic Particle Imaging durch Superparamagnetische Nanopartikel zur Sentinellymphknotendetektion beim Mammakarzinom.
  
  
• K. Luedtke-Buzug, S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2009). Synthesis and Spectroscopic Analysis of Super-Paramagnetic Nanoparticles for Magnetic Particle Imaging.
  
  
• K. Luedtke-Buzug, S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2009). Particle-Size Distribution of Dextran- and Carboxydextran-Coated Superparamagnetic Nanoparticles for Magnetic Particle Imaging. 25/VIII. 226--229
  
  
• S. Biederer, T. Knopp, T. F. Sattel, K. Lüdtke-Buzug, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2009). Estimation of Magnetic Nanoparticle Diameter with a Magnetic Particle Spectrometer. 25/VIII. 61-64
  
  

• F. Mohn, F. Foerger, F. Thieben, M. Möddel, I. Schmale, T. Knopp and M. Graeser (2024). Resonant Inductive Coupling Network for Human-Sized Magnetic Particle Imaging. Review of Scientific Instruments. 95. (4), 044701 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, K. Scheffler, J. Ackers, A. Weimer, F. Wegner, F. Thieben, M. Ahlborg, P. Vogel, M. Graeser, and T. Knopp (2024). Characterization of the Clinically Approved MRI Tracer Resotran for Magnetic Particle Imaging in a Comparison Study. Physics in Medicine \& Biology. 69. (13), 135014 [Abstract] [doi] [BibTex]
  
  
• F. Thieben, F. Foerger, F. Mohn, N. Hackelberg, M. Boberg, J.-P. Scheel, Möddel, M. Graeser, and T. Knopp (2024). System Characterization of a Human-Sized 3D Real-Time Magnetic Particle Imaging Scanner for Cerebral Applications. Communications Engineering. 3. (1), 47 [Abstract] [doi] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2024). Solving the MPI reconstruction problem with automatically tuned regularization parameters. Phys. Med. Biol.. 69. (4), [Abstract] [doi] [BibTex]
  
  
• F. Mohn, M. Exner, P. Szwargulski, M. Möddel, T. Knopp, and M. Graeser (2023). Saline bolus for negative contrast perfusion imaging in magnetic particle imaging. Physics in Medicine & Biology. 68. (17), 5026 [Abstract] [doi] [BibTex]
  
  
• F. Mohn, P. Szwargulski, M. G. Kaul, M. Graeser, T. Mummert, K. M. Krishnan, T. Knopp, G. Adam, J. Salamon and C. Riedel (2023). Real-Time Multi-Contrast Magnetic Particle Imaging for the Detection of Gastrointestinal Bleeding. Scientific Reports. 13. (1), 22976 [Abstract] [doi] [BibTex]
  
  
• K. Scheffler, M. Boberg, and T. Knopp (2023). Extrapolation of System Matrices in Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 42. (4), 1121 - 1132 [Abstract] [pdf] [doi] [BibTex]
  
  
• T. Knopp, M. Boberg, and M. Grosser (2023). NFFT.jl: Generic and Fast Julia Implementation of the Nonequidistant Fast Fourier Transform. SIAM Journal on Scientific Computing. 45. (3), C179-C205 [Abstract] [doi] [www] [BibTex]
  
  
• L. Zdun, M. Boberg, and C. Brandt (2022). Joint multi-patch reconstruction: fast and improved results by stochastic optimization. International Journal on Magnetic Particle Imaging. 8. (2), 1-8 [Abstract] [doi] [www] [BibTex]
  
  
• P. Ludewig, M. Graeser, N. D. Forkert, F. Thieben, J. Rández-Garbayo, J. Rieckhoff, K. Lessmann, F. Foerger, P. Szwargulski, T. Magnus, and T. Knopp (2022). Magnetic particle imaging for assessment of cerebral perfusion and ischemia. Wiley Interdiscip Rev Nanomed Nanobiotechnol. [Abstract] [doi] [www] [BibTex]
  
  
• M. Boberg, N. Gdaniec, P. Szwargulski, F. Werner, M. Möddel, and T. Knopp (2021). Simultaneous imaging of widely differing particle concentrations in MPI: problem statement and algorithmic proposal for improvement. Physics in Medicine & Biology. 66. (9), 095004 [Abstract] [doi] [www] [BibTex]
  
  
• M. Grosser and T. Knopp (2021). Optimized sampling patterns for the sparse recovery of system matrices in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 7. (2), 1-15 [Abstract] [doi] [www] [BibTex]
  
  
• M. Möddel, F. Griese, T. Kluth, and T. Knopp (2021). Estimating the Spatial Orientation of Immobilized Magnetic Nanoparticles with Parallel-Aligned Easy Axes. Phys. Rev. Applied. 16. L041003 [doi] [www] [BibTex]
  
  
• T. Knopp and M. Grosser (2021). MRIReco.jl: An MRI Reconstruction Framework written in Julia. Magn. Reson. Med.. 86. (3), 1633-1646 [doi] [www] [BibTex]
  
  
• M. Boberg, T. Knopp, P. Szwargulski, and M. Möddel (2020). Generalized MPI Multi-Patch Reconstruction using Clusters of similar System Matrices. IEEE Transactions on Medical Imaging. 39. (5), 1347-1358 [Abstract] [doi] [www] [BibTex]
  
  
• N. Gdaniec, M. Boberg, M. Möddel, P. Szwargulski, and T. Knopp (2020). Suppression of Motion Artifacts Caused by Temporally Recurring Tracer Distributions in Multi-Patch Magnetic Particle Imaging. IEEE Transactions on Medical Imaging. 39. (11), 3548-3558 [Abstract] [doi] [www] [BibTex]
  
  
• P. Szwargulski, M. Wilmes, E. Javidi, F. Thieben, M. Graeser, M. Koch, C. Gruettner, G. Adam, C. Gerhard, T. Magnus, T. Knopp, and P. Ludewig (2020). Monitoring Intracranial Cerebral Hemorrhage Using Multicontrast Real-Time Magnetic Particle Imaging. ACS Nano. 14. (10), 13913-13923 [Abstract] [doi] [www] [BibTex] [pmid]
  
  
• M. Graeser, F. Thieben, P. Szwargulski, F. Werner, N. Gdaniec, M. Boberg, F. Griese, M. Möddel, P. Ludewig, D. van de Ven, O.M. Weber, O. Woywode, B. Gleich, and T. Knopp (2019). Human-sized Magnetic Particle Imaging for Brain Applications. Nature Communications. 10. (1936), 1-9 [Abstract] [doi] [www] [BibTex]
  
  
• T. Kluth, P. Szwargulski, and T. Knopp (2019). Towards accurate modeling of the multidimensional magnetic particle imaging physics. New Journal of Physics. 21. (10), 103032 [Abstract] [doi] [www] [BibTex]
  
  
• T. Knopp, M. Möddel, F. Griese, F. Werner, P. Szwargulski, N. Gdaniec, and M. Boberg (2019). MPIFiles.jl: A Julia Package for Magnetic Particle Imaging Files. Journal of Open Source Software. 4. (38), 1331 [doi] [www] [BibTex]
  
  
• T. Knopp, P. Szwargulski, F. Griese, M. Grosser, M. Boberg, and M. Möddel (2019). MPIReco.jl: Julia Package for Image Reconstruction in MPI. International Journal on Magnetic Particle Imaging. 5. (1), 9 pp [doi] [BibTex]
  
  
• M. Möddel, C. Meins, J. Dieckhoff, and T. Knopp (2018). Viscosity quantification using multi-contrast magnetic particle imaging. New Journal of Physics. 20. (8), 083001 [Abstract] [doi] [www] [BibTex]
  
  
• P. Szwargulski, N. Gdaniec, M. Graeser, M. Möddel, F. Griese, K. M. Krishnan, T. M. Buzug, and T. Knopp (2018). Moving table magnetic particle imaging: a stepwise approach preserving high spatio-temporal resolution. Journal of Medical Imaging. 5. (4), 046002 [Abstract] [doi] [www] [BibTex]
  
  
• T. Knopp (2018). Novel Field Sequences, Reconstruction Algorithms, and Particle Synthesis Approaches for Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 3. (2), ID: 1803001 [www] [BibTex]
  
  
• F. Griese, T. Knopp, R. Werner, A. Schlaefer, and M. Möddel (2017). Submillimeter-Accurate Marker Localization within Low Gradient Magnetic Particle Imaging Tomograms. International Journal on Magnetic Particle Imaging. 3. (1), [Abstract] [www] [BibTex]
  
  
• F. Werner, N. Gdaniec, and T. Knopp (2017). Improving the Spatial Resolution of Bidirectional Cartesian MPI Data using Fourier Techniques. International Journal on Magnetic Particle Imaging. 3. (1), 1-6 [doi] [www] [BibTex]
  
  
• M. Graeser, T. Knopp, P. Szwargulski, T. Friedrich, A. von Gladiss, M. Kaul, K. M. Krishnan, H. Ittrich, G. Adam, and T. M. Buzug (2017). Towards Picogram Detection of Superparamagnetic Iron-Oxide Particles Using a Gradiometric Receive Coil. Scientific Reports. 7. 6872 [Abstract] [doi] [www] [BibTex]
  
  
• P. Szwargulski and T. Knopp (2017). Influence of the Receive Channel Number on the Spatial Resolution in Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 3. (1), [www] [BibTex]
  
  
• J. Salamon, M. Hofmann, C. Jung, M.G. Kaul, F. Werner, K. Them, R. Reimer, P. Nielsen, A. vom Scheidt, G. Adam,T. Knopp, and H. Ittrich (2016). Magnetic Particle / Magnetic Resonance Imaging: In-Vitro MPI-Guided Real Time Catheter Tracking and 4D Angioplasty Using a Road Map and Blood Pool Tracer Approach. PLoS ONE. 11. (6), [doi] [BibTex]