Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Jürgen Weizenecker"'
Autor:
Jürgen Weizenecker, Ulrich Heinen, Michael Heidenreich, Alexander E. Weber, Thorsten M. Buzug
Publikováno v:
IEEE Transactions on Magnetics. 51:1-5
Magnetic particle imaging is a new modality, which allows the determination of the spatial distribution of magnetic nanoparticles in-vivo . A standard approach for magnetic particle image reconstruction employs a so-called system matrix. The system m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c79bcf012d8bd4c920234a55bba0b225
https://doi.org/10.1109/tmag.2014.2332612
https://doi.org/10.1109/tmag.2014.2332612
Autor:
Jürgen Rahmer, Timo F. Sattel, Oliver Woywode, Bernhard Gleich, Jörn Borgert, Jürgen Weizenecker
Publikováno v:
IEEE Transactions on Magnetics. 51:1-3
In this paper, an imaging system is considered, which is part of an activity to test the feasibility of clinical (whole-body) magnetic particle imaging (MPI). Recent studies on nerve stimulation in humans indicate that drive field amplitudes have to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4994c54f7264ec3beb4189cac8b2ec9b
https://doi.org/10.1109/tmag.2014.2326256
https://doi.org/10.1109/tmag.2014.2326256
Autor:
Mauro Magnani, Bernhard Gleich, B Tiemann, Jürgen Weizenecker, Antonella Antonelli, Joern Borgert, Jürgen Rahmer, Carla Sfara
Publikováno v:
Physics in Medicine and Biology. 58:3965-3977
Magnetic particle imaging (MPI) is a new medical imaging approach that is based on the nonlinear magnetization response of super-paramagnetic iron oxide nanoparticles (SPIOs) injected into the blood stream. To date, real-time MPI of the bolus passage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::779ec5c835f085e46e36197f7143c75a
https://doi.org/10.1088/0031-9155/58/12/3965
https://doi.org/10.1088/0031-9155/58/12/3965
Autor:
Timo F. Sattel, Bernhard Gleich, Sven Biederer, Jürgen Weizenecker, Tobias Knopp, Thorsten M. Buzug, Jörn Borgert, Jürgen Rahmer
Publikováno v:
Medical Physics. 37:485-491
Purpose: Magnetic particle imaging (MPI) is a new quantitative imaging technique capable of determining the spatial distribution of superparamagnetic nanoparticles at high temporal and spatial resolution. For reconstructing this spatial distribution,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::170079f665b0672fc83fcca4c2e13ca8
https://doi.org/10.1118/1.3271258
https://doi.org/10.1118/1.3271258
Autor:
Timo F. Sattel, Jürgen Rahmer, Tobias Knopp, Thorsten M. Buzug, Joern Borgert, Sven Biederer, Jürgen Weizenecker, Bernhard Gleich
Publikováno v:
IEEE Transactions on Medical Imaging. 29:12-18
Magnetic particle imaging (MPI) is a new imaging modality capable of imaging distributions of superparamagnetic nanoparticles with high sensitivity, high spatial resolution and, in particular, high imaging speed. The image reconstruction process requ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dff65e9a2221c242538fd5b96df7e852
https://doi.org/10.1109/tmi.2009.2021612
https://doi.org/10.1109/tmi.2009.2021612
Autor:
Tobias Knopp, Jürgen Weizenecker, Timo F. Sattel, Thorsten M. Buzug, Joern Borgert, Sven Biederer, Bernhard Gleich
Publikováno v:
Physics in Medicine and Biology. 54:385-397
Recently a new imaging technique called magnetic particle imaging was proposed. The method uses the nonlinear response of magnetic nanoparticles when a time varying magnetic field is applied. Spatial encoding is achieved by moving a field-free point
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9124bcc72f0d5c6dcbcceb521a1e1810
https://doi.org/10.1088/0031-9155/54/2/014
https://doi.org/10.1088/0031-9155/54/2/014
Publikováno v:
Physics in medicine and biology. 61(2)
Magnetic particle imaging is a tracer-based imaging method that utilizes the non-linear magnetization response of iron-oxide for determining their spatial distribution. The method is based on a sampling scheme where a sensitive spot is moved along a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e8141ed7ba8c41eec89170c7604eef0
https://pubmed.ncbi.nlm.nih.gov/26682648
https://pubmed.ncbi.nlm.nih.gov/26682648
Autor:
Jürgen Weizenecker, Ulrich Heinen, Alexander E. Weber, Thorsten M. Buzug, J. Rahmer, Jochen Franke
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
In Magnetic Particle Imaging the signal is generated by an oscillating magnetic field, the so-called Drive Field. Thereby, increasing the Drive Field amplitude (DFA) yields higher signal strength [1]. Furthermore, the sensitive area which is covered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ab5e3094254f17ee64fdaa7e3404291
https://doi.org/10.1109/iwmpi.2015.7107020
https://doi.org/10.1109/iwmpi.2015.7107020
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
In Magnetic Particle Imaging (MPI) the relation between the measurement signal and the particle distribution can be described by the so-called system matrix [1]. For the 1D case assuming ideal magnetic fields and ideal particles with a step function
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe34df2a76e5f2b6feef95b4c10087a3
https://doi.org/10.1109/iwmpi.2015.7107048
https://doi.org/10.1109/iwmpi.2015.7107048
Autor:
Timo F. Sattel, Jürgen Weizenecker, Oliver Mende, Joern Borgert, Oliver Woywode, J. Rahmer, Bernd David, Ingo Schmale, J. Gressmann, Claas Bontus, Joachim Schmidt, C. Vollertsen, Bernhard Gleich, M. Heinrich
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
A clinical MPI demonstrator system is being built [1] that will enable fast 3D imaging with 3D drive field excitation and rapid 3D focus fields. To date, all components have been realized only once, i.e., a 1D drive field coil (x direction), a 1D fas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0204792c8239ca24b495d513f1f6a8c
https://doi.org/10.1109/iwmpi.2015.7107029
https://doi.org/10.1109/iwmpi.2015.7107029