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Institute for Biomedical Imaging
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IBI > People

Dr.-Ing. Matthias Gräser

Universitätsklinikum Hamburg-Eppendorf (UKE)
Sektion für Biomedizinische Bildgebung
Lottestraße 55
2ter Stock, Raum 212
22529 Hamburg

Technische Universität Hamburg (TUHH)
Institut für Biomedizinische Bildgebung
Gebäude E, Raum 4.044
Am Schwarzenberg-Campus 3
21073 Hamburg

Tel.: 040 / 7410 25812
E-Mail: matthias.graeser(at)tuhh.de
E-Mail: ma.graeser(at)uke.de

Research Interests

  • Magnetic Particle Imaging
  • Low Noise Electronics
  • Inductive Sensors
  • Passive Electrical Devices

Curriculum Vitae

Matthias Gräser submitted his Dr.-Ing. thesis in january 2016 at the institute of medical engineering (IMT) at the university of Lübeck and is now working as a Research Scientist at the institute for biomedical imaging (IBI) at the technical university in Hamburg, Germany.  Here he develops concepts for Magnetic-Particle-Imaging (MPI) devices. His main aim is to improve the sensitivity of the imageing devices and improve resolution and application possibilities of MPI technology.

In 2011 Matthias Gräser started to work at the IMT as a Research Associate in the Magnetic Particle Imaging Technology (MAPIT) project. In this project he devolped the analog signal chains for a rabbit sized field free line imager. Additionally he developed a two-dimensional Magnetic-Particle-Spectrometer. This device can apply various field sequences and measure the particle response with a very high signal-to-noise ratio (SNR).

The dynamic behaviour of magnetic nanoparticles is still not fully understood. Matthias Gräser investigated the particle behaviour by modeling the particle behaviour with stochastic differential equations. With this model it is possible to simulate the impact of several particle parameters and field sequences on the particle response .

In 2010 Matthias Gräser finished his diploma at the Karlsruhe Institue of Technology (KIT). His diploma thesis investigated the nerve stimulation of magnetic fields in the range from 4 kHz to 25 kHz.

Journal Publications

Journal Publications

  • 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]

  • 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]

  • 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]

  • 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]

  • 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. 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]

  • 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]

  • 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]

  • 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. 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]

  • 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. 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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]

  • 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 [BibTex]

  • 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] [BibTex] [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] [BibTex]

  • 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] [BibTex] [pmid]

  • 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] [BibTex] [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] [BibTex] [pmid]

Download this list as BibTeX file.

Conference Proceedings

Conference Proceedings

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • T. Knopp, M. Grosser, M. Graeser, T. Gerkmann, M. Möddel (2021). Dictionary-Based Background Signal Estimation For Magnetic Particle Imaging. IEEE 18th International Symposium on Biomedical Imaging (ISBI). 1540-1543 [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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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), [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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 [BibTex]

  • 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. 41-42 [Abstract] [BibTex]

  • M. Exner, P. Szwargulski, P. Ludewig, T. Knopp, and M. Graeser (2019). Anatomical Rat Phantom for Medical Imaging. 151-152 [Abstract] [BibTex]

  • 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), [BibTex]

  • 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. 101-102 [BibTex]

  • 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 [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). First human-sized Magnetic Particle Imaging Device for Cerebral Applications. 15-16 [Abstract] [BibTex]

  • 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), [BibTex]

  • M. Schauerte, P. Szwargulski, M. G. Kaul, T. Knopp, and M. Graeser (2019). A Schematic Kidney Phantom for Magnetic Particle Imaging. 59-60 [Abstract] [BibTex]

  • 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. 151-152 [Abstract] [BibTex]

  • 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 [BibTex]

  • 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), [BibTex]

  • 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. 37-38 [Abstract] [BibTex]

  • 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. 97-98 [Abstract] [BibTex]

  • 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. 8th International Workshop on Magnetic Particle Imaging (IWMPI 2018). 217-218 [BibTex]

  • P. Szwargulski, N. Gdaniec, M. Graeser, M. Möddel, F. Griese, T. Knopp (2018). Erweiterung des Bildgebungsbereiches bei der Magnetpartikelbildgebung durch externe axiale Verschiebungen. 202 [Abstract] [BibTex]

  • 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. Proceedings of SPIE Medical Imaging. 10578. 10578 - 10578 - 7 [Abstract] [doi] [www] [BibTex]

  • P. Szwargulski, N. Gdaniec, M. Möddel , M. Graeser, T. Knopp (2018). Reconstruction of an object moved continuously through the Field of View in MPI. 137-138 [BibTex]

  • 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). [Abstract] [BibTex]

  • P. Szwargulski, P. Vogel, M.A. Rückert, M. Straub, M. Graeser, T. Knopp, V. Schulz, V.C. Behr (2018). Towards Standardized MPI Measurements. 107-108 [BibTex]

  • 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 [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 2D Magnetic Particle Spectrometer. International Workshop on Magnetic Particle Imaging. 114 [BibTex]

  • 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. 130 [BibTex]

  • 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 [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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 [BibTex]

  • 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] [BibTex]

  • 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 [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex] [pmid]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • M. Graeser, T. F. Sattel, and T. M. Buzug (2013). High homogeneous saddle drive field coil for Magnetic Particle Spectroscopy. [doi] [BibTex] [pmid]

  • 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. [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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), [BibTex]

  • 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] [BibTex]

  • M. Graeser, T. Knopp, M. Grüttner, T. F. Sattel and T. M. Buzug (2012). Signal Separation in MPI. IEEE Medical Imaging Conference. [BibTex]

  • 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] [BibTex]

  • 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] [BibTex]

  • 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 [BibTex]

  • 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] [BibTex]

  • 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 [BibTex]

  • 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), [BibTex]

  • M. Graeser, J. Bohnert, and O. Dössel (2010). Abschätzung der muskelstimulierenden Wirkung von Magnetwechselfeldern im {kHz}-Bereich. Biomedizinische Technik. Biomedical Engineering. 55. [BibTex]

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