• 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]
  
  
• K. Them, E. Y. Vedmedenko, K. Fredenhagen, and R. Wiesendanger (2015). Bounds on expectation values of quantum subsystems and perturbation theory. Journal of Physics A: Mathematical and Theoretical. 48. (7), [BibTex]
  
  
• M. G. Kaul, O. Weber, U. Heinen, A. Reitmeier, T. Mummert, C. Jung, N. Raabe, T. Knopp, H. Ittrich and G. Adam (2015). Combined Preclinical Magnetic Particle Imaging and Magnetic Resonance Imaging: Initial Results in Mice. RoFo : Fortschritte auf dem Gebiet der Roentgenstrahlen und der Nuklearmedizin. 187. (5), 347-352 [BibTex]
  
  
• M. Graeser, K. Bente, A. Neumann, T. M. Buzug (2015). Trajectory dependent particle response for anisotropic mono domain particles in magnetic particle imaging. Journal of Physics D: Applied Physics. 49. (4), [doi] [BibTex]
  
  
• M. Graeser, K. Bente, and T. M. Buzug (2015). Dynamic single-domain particle model for magnetite particles with combined crystalline and shape anisotropy. Journal of Physics D: Applied Physics. 48. (27), [Abstract] [doi] [www] [BibTex]
  
  
• M. Weber, K. Bente, M. Graeser, T. F. Sattel, and T. M. Buzug (2015). Implementation of a high-precision 2-D receiving coil set for {Magnetic Particle Imaging}. {IEEE} Transactions on Magnetics. 51. (2), 1--4 [Abstract] [doi] [BibTex]
  
  
• N. Panagiotopoulos, R. L. Duschka, M. Ahlborg, G. Bringout, C. Debbeler, M. Graeser, C. Kaethner, K. Lüdtke-\-Buzug, H. Medimagh, J. Stelzner, T. M. Buzug, J. Barkhausen, F. M. Vogt J. Haegele (2015). Magnetic particle imaging: current developments and future directions. International Journal of Nanomedicine. 10. 3097--3114 [Abstract] [doi] [BibTex] [pmid]
  
  
• P. Szwargulski, J. Rahmer, M. Ahlborg, C. Kaethner, T. M. Buzug (2015). Experimental Evaluation of Different Weighting Schemes in Magnetic Particle Imaging Reconstruction. Current Directions in Biomedical Engineering 2015. 1. (1), 206-209 [doi] [www] [BibTex]
  
  
• P. Szwargulski, M. Ahlborg, C. Kaethner, T. M. Buzug (2015). Trajectory Analysis Using Static Patches for Magnetic Particle Imaging. IEEE Transactions on Magnetics. 51. (2), 1-4 [doi] [www] [BibTex]
  
  
• T. Knopp (2015). Launching the new Journal on Magnetic Particle Imaging. International Journal on Magnetic Particle Imaging. 1. (1), 1-4 [www] [BibTex]
  
  
• T. Knopp and A. Weber (2015). Local System Matrix Compression for Efficient Reconstruction in Magnetic Particle Imaging. Advances in Mathematical Physics. 2015. (Article {ID} 472818), 7pp [BibTex]
  
  
• T. Knopp, K. Them, M. Kaul and N. Gdaniec (2015). Joint reconstruction of non-overlapping magnetic particle imaging focus-field data. Phys. Med. Biol.. 60. L15 [doi] [BibTex]
  
  
• A. v. Gladiß, M. Ahlborg, T. Knopp, and T. M. Buzug (2014). Compressed sensing and sparse reconstruction in MPI. IEEE Trans Magnetics. 51. (2), [doi] [BibTex]
  
  
• C. Kaethner, M. Ahlborg, T. Knopp, T. F. Sattel and T. M. Buzug (2014). Efficient Gradient Field Generation Providing a Multi-Dimensional Arbitrary Shifted Field-Free Point for Magnetic Particle Imaging. Journal of Applied Physics. 115. (5), 044910-1-044910-5 [BibTex]
  
  
• H. Wojtczyk, G. Bringout, W. Tenner, M. Graeser, M. Grüttner, T.F. Sattel, K. Gräfe, and T. M. Buzug (2014). Toward the optimization of D-shaped coils for the use in an open {Magnetic Particle Imaging} scanner. {IEEE} Transactions on Magnetics. 50. (7), 1--7 [Abstract] [doi] [BibTex]
  
  
• J. Haegele, R. Duschka, M. Graeser, C. Schaecke, N, . Panagiotopoulos, K. Lüdtke-\-Buzug, T. M. Buzug, J. Barkhausen, and F. M. Vogt (2014). Magnetic particle imaging: kinetics of the intravascular signal in vivo. International Journal of Nanomedicine. 9. 4203--4209 [Abstract] [doi] [BibTex] [pmid]
  
  
• K. Them (2014). Towards experimental tests and applications of Lieb-Robinson bounds. Phys. Rev. A. 89. (022126), [BibTex]
  
  
• M. Hofmann, A. Osterloh, and O. Gühne (2014). Scaling of genuine multiparticle entanglement close to a quantum phase transition. Phys. Rev. B. 89. 134101 [Abstract] [doi] [www] [BibTex]
  
  
• M. Hofmann, T. Moroder, and O. Gühne (2014). Analytical characterization of the genuine multiparticle negativity. Journal of Physics A: Mathematical and Theoretical. 47. (15), 155301 [Abstract] [doi] [www] [BibTex]
  
  
• N. Gdaniec, H. Eggers, P. Boernert, M. Doneva and A. Mertins (2014). Robust Abdominal Water/Fat Imaging with Incomplete Breath-holds. Magnetic Resonance in Medicine. 71. (5), 1733--1742 [BibTex]
  
  
• P. Nalbach, A.J.A. Achner, M. Frey, M. Grosser, C. Bressler, and M. Thorwart (2014). Hydration shell effects in the relaxation dynamics of photoexcited Fe-II complexes in water. The Journal of Chemical Physics. 141. (4), 044304 [doi] [www] [BibTex]
  
  

• 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
  
  
• M. Graeser, A. von Gladiss, P. Szwargulski, M. Ahlborg, T. Knopp and T. M. Buzug (2016). Reconstruction of Experimental 2D MPI Data using a Hybrid System Matrix. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 130
  
  
• 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). First human-sized Magnetic Particle Imaging Device for Cerebral Applications. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 15-16 [Abstract]
  
  
• M. Graeser, M. Ahlborg, A. Berends, K. Bente, G. Bringout, C. Debbeler, A. von Gladiss, K. Gräse, C. Kaethner, S. Kaufnamm, K. Lüdtke-\-Buzug, H. Medimagh, J. Stelzner, M. Weber, and T. M. Buzug (2015). A device for measuring the trajectory dependent magnetic particle performance for {MPI}. 5th International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• M. Graeser, P. Szwargulski, F. Förger, F. Thieben, P. Ludewig, T. Knopp (2020). Receive path calibration to exchange system matrix data of different receivers. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• M. Graeser, P. Szwargulski, N. Gdaniec, F. Werner, F. Thieben, and T. Knopp (2019). Phantom development for a magnetic particle imaging head scanner. Additive Manufacturing Meets Medicine. 1. (S1),
  
  
• M. Graeser, T. Liebing, P. Szwargulski, F. Förger, F. Thieben, P. Ludewig, T. Knopp (2020). Organ specific mouse head coil for improved image quality in magnetic particle imaging. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• M. Grass, I. M. Baltruschat, A. Saalbach, H. Nickisch, J. von Berg, G. Adam, L. Steinmeister, H. Ittrich, T. Knopp (2019). Effect of Advanced Image Pre-Processing for Multi-Label Chest X-Ray Classification. European Congress of Radiology (ECR 2019)
  
  
• M. Grosser and T. Knopp (2021). Fast Image Reconstruction for Non-Cartesian Acquisitions in the Presence of B0-inhomogeneities. Proc. ISMRM 2021.
  
  
• M. Grosser and T. Knopp (2020). Accelerated Multi-Echo Gradient Echo Imaging using Locally-Low Rank Regularization. Proc. ISMRM 2020.
  
  
• M. Grosser and T. Knopp (2019). Low Rank Approach to Sparse System Matrix Recovery for MPI. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019). 31-32 [Abstract]
  
  
• M. Grosser, M. Boberg, M. Bahe, and T. Knopp (2020). Enhanced compressed sensing recovery of multi-patch system matrices in MPI. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• 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. Grosser, T. Knopp (2021). Efficient Optimization Of MRI Sampling Patterns Using The Bayesian Fisher Information Matrix. IEEE 18th International Symposium on Biomedical Imaging (ISBI). 234-237
  
  
• M. Hofmann, J. Dieckhoff, H. Ittrich, and T. Knopp (2016). Experimental Distinction of Different Viscosities using Multispectral Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 9
  
  
• M. Hofmann, J. Salamon, C. Jung, M. G. Kaul, A. vom Scheidt, G. Adam, H. Ittrich, and T. Knopp (2016). Multispectral MPI for real time 3D tracking of endovascular devices. 265 [doi] [www]
  
  
• M. Hofmann, K. Bizon, A.Schlaefer, and T. Knopp (2016). Subpixelgenaue Positionsbestimmung in Magnetic-Particle-Imaging. Bildverarbeitung für die Medizin 2016 Springer: 20--25
  
  
• M. Hofmann, M. Storath, A. Weber, and T. Knopp (2015). Real-valued least-squares reconstruction for magnetic particle imaging in frequency space. S1
  
  
• 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. Melchger, M. Graeser, and T. M. Buzug (2015). Receive chain noise matching for {Magnetic Particle Imaging}. Student Conference on Medical Engineering Science,. 4. 171-174
  
  
• 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]
  
  
• M. Möddel, C. Shasha, P. Szwargulski, E. Teeman, K. M. Krishnan, and T. Knopp (2018). Discriminating Nanoparticle Size Using Multi-spectral MPI. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018) accepted
  
  
• M. Möddel, F. Griese, T. Kluth, and T. Knopp (2020). Estimating orientation using multi-contrast MPI. International Journal on Magnetic Particle Imaging. 6. (2 Suppl. 1),
  
  
• 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]
  
  
• M. Möddel, L. Schmiester, W. Erb, T. Hauswald, and T. Knopp (2018). Direct Reconstruction of Lissajous MPI Data using Chebyshev Compressed System Matrices. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018)
  
  
• M. Schauerte, P. Szwargulski, M. G. Kaul, T. Knopp, and M. Graeser (2019). A Schematic Kidney Phantom for Magnetic Particle Imaging. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 59-60 [Abstract]
  
  
• M. Storath, C. Brandt, M. Hofmann, T. Knopp, A. Weber, and A. Weinmann (2016). Fused Lasso Regularization for Magnetic Particle Imaging. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 132
  
  
• N. Gdaniec, A. J. Wiethoff, P. Börnert, M. Doneva, D. Pinho, I. Pedrosa and A. Mertins (2014). Joint reconstruction of DCE Abdominal Images. 1546
  
  
• N. Gdaniec, A. J. Wiethoff, Q. Yuan, P. Börnert, H. Eggers, D. Pinho, I. Pedrosa and A. Mertins (2014). Towards Robust Breath-held 3D Abdominal DCE Imaging. 329
  
  
• N. Gdaniec, M. Graeser, F. Thieben, P Szwargulski, F. Werner, M. Boberg, F. Griese, M. Möddel, P. Ludewig, D. van de Ven, O. M. Weber, O. Woywode, B. Gleich, and T. Knopp (2019). Determining Perfusion Parameters using Magnetic Particle Imaging: A Phantom Study using a Human-Sized Flow Phantom. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 151-152 [Abstract]
  
  
• N. Gdaniec, M. Hofmann, and T. Knopp (2016). Limitations of Magnetic Particle Imaging Resolving Large Contrasts. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 81
  
  
• N. Gdaniec, P. Szwargulski, M. Möddel, M. Boberg, and T. Knopp (2019). Multi-Patch Magnetic Particle Imaging of a Phantom with Periodic Motion. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 27-28 [Abstract]
  
  
• N. Gessert, T. Sentker, F. Madesta, R. Schmitz, H. Kniep, I. M. Baltruschat, R. Werner, A. Schlaefer (2018). Skin Lesion Diagnosis using Ensembles, Unscaled Multi-Crop Evaluation and Loss Weighting. arXiv preprint arXiv:1808.01694.
  
  
• N. Hackelberg, J. Ackers, F. Mohn, M. Graeser, and T. Knopp (2025). Software Implementation of Greedy Optimized MPS Sequences. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [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]
  
  
• 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]
  
  
• N. Hackelberg, M. Boberg, and T. Knopp (2025). GPU Accelerated Multi-Patch Reconstruction. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [Abstract] [doi] [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]
  
  
• O. Kosch, M. Graeser, J. Wells, P. Radon, H. Paysen, T. Knopp, and F. Wiekhorst (2019). Towards resolution phantoms for multi-centric comparison of instrumentations. 9th International Workshop on Magnetic Particle Imaging. 133-134
  
  
• P. Jürß, C. Droigk, M. Boberg, and T. Knopp (2025). TrainingPhantoms.jl: Simple and Versatile Image Phantom Generation. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [Abstract] [doi] [www]
  
  
• P. Ludewig, N. Gdaniec, J. Sedlacik, S. Behr, S. J. Kemp, R. M. Ferguson, A. P. Khandhar, K. M. Krishnan, J. Fiehler, C. Gerloff, T. Knopp and T. Magnus (2016). Magnetic particle imaging in a mouse model of acute ischemic stroke. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 51
  
  
• P. Suskin, F. Foerger, P. Jürß, M. Boberg, T. Knopp, and M. Möddel (2025). Power-Efficient Control of Non-LinearMagnetic Field Generators for MPI. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [Abstract] [doi] [www]
  
  
• P. Suskin, F. Foerger, P. Jürß, M. Boberg, T. Knopp, and M. Möddel (2025). Power-Efficient Control of Non-Linear Magnetic Field Generators for MPI. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [Abstract] [doi] [www]
  
  
• P. Szwargulski and T. Knopp (2017). Influence of the Receive Channel Number on the Spatial Resolution in Magnetic Particle Imaging. 7th International Workshop on Magnetic Particle Imaging (IWMPI 2017) 91 [Abstract]
  
  
• P. Szwargulski, C. Kaethner, M. Ahlborg, T. M. Buzug (2015). A Radial Lissajous Trajectory for Magnetic Particle Imaging. [doi] [www]
  
  
• P. Szwargulski, J. Rahmer, M. Ahlborg, C. Kaethner, T. M. Buzug (2015). Experimental Evaluation of Different Weighting Schemes in Magnetic Particle Imaging Reconstruction. [doi] [www]
  
  
• P. Szwargulski, M. Ahlborg, C. Kaethner, T. M. Buzug (2014). Trajectory Analysis using Patches for Magnetic Particle Imaging. 108-109 [www]
  
  
• P. Szwargulski, M. Exner, P. Ludewig, T. Knopp, and M. Graeser (2019). From a static to a dynamic 3D anatomical phantom of a rat. Additive Manufacturing Meets Medicine. 1. (S1),
  
  
• P. Szwargulski, M. Graeser, F. Thieben, N. Gdaniec, F. Werner, M. Boberg, F. Griese, M. Möddel, and T. Knopp (2019). Interpretation of Cartesian Data based on a Simulated Human-Sized MPI Brain Imager. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 37-38 [Abstract]
  
  
• P. Szwargulski, M. Hofmann, N. Gdaniec and T. Knopp (2016). Fast Implicit Reconstruction of Focus Field Data in MPI. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 176
  
  
• P. Szwargulski, M. Hofmann, N. Gdaniec, T. Knopp (2016). The Influence of Field Distortions on Multi-Patch Image Reconstruction in Magnetic Particle Imaging.
  
  
• P. Szwargulski, N. Gdaniec, M. Graeser, M. Möddel, F. Griese, T. Knopp (2018). Erweiterung des Bildgebungsbereiches bei der Magnetpartikelbildgebung durch externe axiale Verschiebungen. BVM Workshop 2018 202 [Abstract]
  
  
• P. Szwargulski, N. Gdaniec, M. Graeser, M. Möddel, F. Griese, T. Knopp (2018). Enlarging the field of view in magnetic particle imaging using a moving table approach. 10578 - 10578 - 7 [Abstract] [doi] [www]
  
  
• P. Szwargulski, N. Gdaniec, M. Möddel , M. Graeser, T. Knopp (2018). Reconstruction of an object moved continuously through the Field of View in MPI. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018) 137-138
  
  
• P. Szwargulski, N. Gdaniec, T. Knopp (2018). Schnelle adaptive Aufnahme von Magnetic-Particle-Imaging Daten durch Nutzung mehrerer Gradientenstärken. BVM Workshop 2018 373 [Abstract]
  
  
• P. Szwargulski, P. Ludewig, M. Graeser, M. Möddel, N. Gdaniec, K. M. Krishnan, H. Ittrich, G. Adam, T. Magnus, T. Knopp (2019). Dynamic Multi-Contrast Imaging of Two Different Tracer Materials in a Healthy Mouse. 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019) 97-98 [Abstract]
  
  
• P. Szwargulski, P. Ludewig, M. Graeser, M. Möddel, N. Gdaniec, K.M. Krishnan, H. Ittrich, G. Adam, T. Magnus, T. Knopp (2018). Dynamic Multi-Colored Magnetic Particle Imaging of a Healthy Mouse using multiple Tracers. World Molecular Imaging Congress (WMIC) 2018 [Abstract]
  
  
• P. Szwargulski, P. Vogel, M.A. Rückert, M. Straub, M. Graeser, T. Knopp, V. Schulz, V.C. Behr (2018). Towards Standardized MPI Measurements. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018) 107-108
  
  
• P. Szwargulski, T. Knopp (2020). Determination of 3D system matrices using a mirroring approach based on mixing theory. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [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]
  
  
• R. Werner, D. Weller and J. Salamon and M. Möddel, and T. Knopp (2019). Toward employing the full potential of magnetic particle imaging: exploring visualization techniques and clinical use cases for real-time 3D vascular imaging. In Barjor Gimi and Andrzej Krol (Eds.) Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional Imaging SPIE: 426 -- 431 [Abstract] [doi] [www]
  
  
• R. Werner, D. Weller, J. Salamon, M. Möddel, T. Knopp (2019). Toward employing the full potential of magnetic particle imaging: exploring visualization techniques and clinical use cases for real-time 3D vascular imaging. 109531V
  
  
• S. Latus, F. Griese, M. Gräser, M. Möddel, M. Schlüter, C. Otte, N. Gessert, T. Saathoff, T. Knopp, and A. Schlaefer (2018). Towards bimodal intravascular OCT MPI volumetric imaging. Proceedings of SPIE Medical Imaging (2018)
  
  
• S. Lyer, T. Knopp, F. Werner, L. Trahms, F. Wiekhorst, T. Struffert, T. Engelhorn, A. Dörfler, T. Bäuerle, M. Uder and C. Alexiou (2016). MPI-Detection of Multicore Iron Oxide Nanoparticles dedicated for Magnetic Drug Targeting. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 44
  
  
• 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]
  
  
• S. Reiss, F. Thieben, J. Faltinath, T. Knopp, M. Boberg (2025). Model-Based Reconstruction in MPI accounting for Field Imperfections. International Journal on Magnetic Particle Imaging. 11. (1 Suppl 1), 1-2 [Abstract] [doi] [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]
  
  
• T. Kluth, P. Szwargulski, and T. Knopp (2020). Towards accurate modeling of the multidimensional MPI physics. International Journal on Magnetic Particle Imaging. 6. (2), 1-3 [Abstract] [doi] [www]
  
  
• T. Knopp (2014). Experimental Multi-threading Support for the Julia Programming Language. Proceedings of the 1st First Workshop for High Performance Technical Computing in Dynamic Languages IEEE Press: Piscataway, NJ, USA 1--5 [doi] [www]
  
  
• T. Knopp (2015). Local compression of the magnetic particle imaging system matrix for efficient image reconstruction. 1pp
  
  
• T. Knopp and M. Grosser (2022). Warmstart Approach for Accelerating Deep Image Prior Reconstruction in Dynamic Tomography. [www]
  
  
• T. Knopp and M. Grosser (2019). MRIReco.jl: An Extensible Open-Source Image Reconstruction Framework written in Julia. Proc. ISMRM 2019.
  
  
• T. Knopp and M.G. Kaul (2015). MPI focus field experiments using non-overlapping focus-field patches. 1pp
  
  
• T. Knopp and W. Erb (2015). Chebyshev reconstruction of measured 1D magnetic particle imaging data. 1pp
  
  
• T. Knopp, C. Kaethner, M. Ahlborg and T. M. Buzug (2016). X-Space and Chebyshev Reconstruction in Magnetic Particle Imaging: A First Experimental Comparison. 6th International Workshop on Magnetic Particle Imaging (IWMPI 2016) 75
  
  
• 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, K. Them, F. Werner, M. Hofmann (2015). Reusing System Matrices at different Focus Field Positions in Magnetic Particle Imaging. S1
  
  
• T. Knopp, M. Grosser, M. Graeser, T. Gerkmann, M. Möddel (2021). Dictionary-Based Background Signal Estimation For Magnetic Particle Imaging.
  
  
• 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]
  
  
• T. Welzel, C. Debbeler, M. Graeser, S. Kaufmann, R. Kusche, and K. Lüdtke-\-Buzug (2015). Analyzing superparamagnetic iron oxide nanoparticles (spions) using electrical impedance spectroscopy. International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library. [Abstract] [doi]
  
  
• X. Chen, A. Behrends, M. Graeser, A. Neumann, and T.M. Buzug (2016). Optimizing the Coil Setup for a Three-Dimensional Magnetic Particle Spectrometer. International Workshop on Magnetic Particle Imaging. 59
  
  

2009

• S. Biederer, T. Knopp, T. F. Sattel, K. Luedtke-Buzug, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2009). Magnetization Response Spectroscopy of Superparamagnetic Nanoparticles for Magnetic Particle Imaging. J. Phys. D: Appl. Phys.. 42. (20), 7pp
  
  
• T. F. Sattel, T. Knopp, S. Biederer, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2009). Single-Sided Device for Magnetic Particle Imaging. J. Phys. D: Appl. Phys.. 42. (1), 1--5
  
  
• T. Knopp, H. Eggers, H. Dahnke, J. Prestin and J. Senegas (2009). Iterative Off-resonance and Signal Decay Correction for Improved Multi-echo Imaging in MRI. IEEE Trans. Med. Imaging. 28. (3), 394--404
  
  
• T. Knopp, T. F. Sattel, S. Biederer and T. M. Buzug (2009). Apparatus and method for generating and moving a magnetic field having a field free line, EP 09168383, submitted as european patent. (EP09168383, submitted as european patent),
  
  
• T. Knopp, T. Sattel, S. Biederer, J. Weizenecker, B. Gleich, J. Borgert, T. M. Buzug (2009). Trajektoriendichte bei Magnetic Particle Imaging. 71--75
  
  
• T. Knopp, S. Biederer, T. Sattel, J. Weizenecker, B. Gleich, J. Borgert and T. M. Buzug (2009). Trajectory Analysis for Magnetic Particle Imaging. Phys. Med. Biol.. 54. (2), 385--397
  
  
• T. F. Sattel, S. Biederer, T. Knopp, K. Lüdtke-Buzug, B. Gleich, J. Borgert and T. M. Buzug (2009). Hand-Held Concept of a Magnetic Particle Imaging Device.
  
  
• T. F. Sattel, S. Biederer, T. Knopp, K. Luedtke-Buzug, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2009). Single-Sided Coil Configuration for Magnetic Particle Imaging. 25/VII. 281--284
  
  
• T. M. Buzug, S. Biederer, T. Knopp, T. F. Sattel and K. Luedtke-Buzug (2009). Magnetic Particle Imaging -- Challenges and Promises of a new Modality. 25/IV. 1471-1474
  
  

2008

• B. Kratz, M. Oehler, T. Knopp, S. Ens, and T. M. Buzug (2008). CT-MAR-Reconstruction using Non-Uniform Fourier Transform. 22. 861--865
  
  
• M. Oehler, B. Kratz, J. Mueller, T. Knopp and T. M. Buzug (2008). Evaluation of surrogate data quality in sinogram-based CT metal-artefact reduction. 7076-4.
  
  
• S. Biederer, T. Sattel, T. Knopp, K. Luedtke-Buzug, B. Gleich, J. Weizenecker, J. Borgert and T. M. Buzug (2008). A Spectrometer for Magnetic Particle Imaging. 22. 2313--2316
  
  
• T. Knopp, S. Biederer,T. Sattel and T. M. Buzug (2008). Singular value analysis for magnetic particle imaging. 4525--4529
  
  
• B. Kratz, T. Knopp, J. Müller, M. Oehler, T. M. Buzug (2008). Comparison of Nonequispaced Fourier Transform and Polynomial based Metal Artifact Reduction Methods in Computed Tomography. [doi] [www]
  
  
• K. Luedtke-Buzug, S. Biederer, T. F. Sattel, T. Knopp and T. M. Buzug (2008). Preparation and Characterization of Dextran-Covered Fe_3O_4 Nanoparticles for Magnetic Particle Imaging. 22. 2343--2346
  
  

2007

• H. Eggers, T. Knopp and D. Potts (2007). Field Inhomogeneity Correction based on Gridding Reconstruction for Magnetic Resonance Imaging. IEEE Trans. Med. Imag.. 26. 374 -- 384
  
  
• J. Senegas, T. Knopp and H. Dahnke (2007). Dealing with spatially varying noise in T2* mapping with SENSE.
  
  
• J. Senegas, T. Knopp and H. Eggers (2007). Simultaneous estimation and correction of main field inhomogeneity.
  
  
• T. Knopp, H. Dahnke, H. Eggers and J. Senegas (2007). An iterative off-resonance and signal decay correction for improved {R2*} mapping.
  
  
• T. Knopp, S. Kunis and D. Potts (2007). A note on the iterative MRI reconstruction from nonuniform k-space data. Int. J. Biomed. Imaging. 2007. Article ID 24727, 9 pages
  
  

2006

• H. Eggers, T. Knopp and D. Potts (2006). Field Inhomogeneity Correction based on Gridding Reconstruction. 2969
  
  
• H. Eggers, T. Knopp and D. Potts (2006). Fast Fourier transform for nonequispaced data with applications in {MRI}.
  
  
• J. Senegas, T. Knopp and H. Eggers (2006). dSENSE: Direct k-space Reconstruction for Non-Cartesian Parallel {MRI}. 227
  
  
• S. Kunis, T. Knopp and D. Potts (2006). Inverse nonequispaced FFT - Applications in MRI and numerical stability.