Results 201 to 210 of about 4,024,090 (252)

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

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Parallel magnetic particle imaging

Review of Scientific Instruments, 2020
Magnetic Particle Imaging (MPI) is a promising tomographic method to visualize the distribution of superparamagnetic materials in three-dimensions. For encoding, a strong gradient represented by a field free point (FFP) or a field free line (FFL) is steered rapidly through the field of view (FOV), acquiring the signal successively.
Patrick Vogel, Thomas Kampf, Stefan Herz, Martin A. Rückert, Thorsten A. Bley, Volker C. Behr   +5 more
openaire   +2 more sources

Narrowband Magnetic Particle Imaging

IEEE Transactions on Medical Imaging, 2009
The magnetic particle imaging (MPI) method directly images the magnetization of super-paramagnetic iron oxide (SPIO) nanoparticles, which are contrast agents commonly used in magnetic resonance imaging (MRI). MPI, as originally envisioned, requires a high-bandwidth receiver coil and preamplifier, which are difficult to optimally noise match. This paper
Patrick W. Goodwill, Greig C. Scott, Pascal P. Stang, Steven M. Conolly   +3 more
openaire   +3 more sources

Magnetic Particle Imaging in Neurosurgery

World Neurosurgery, 2019
Magnetic particle imaging (MPI) is a novel radiation-free tomographic imaging method that provides a background-free, signal attenuation-free, direct quantification of the spatial distribution of superparamagnetic iron-oxide nanoparticles (SPIONs) with high temporal resolution (milliseconds), high spatial resolution (
Antonio Meola, Jianghong Rao, Navjot Chaudhary, Guosheng Song, Xianchuang Zheng, Steven D. Chang   +5 more
openaire   +2 more sources

Magnetic Particle Imaging (MPI)

RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren, 2011
Magnetic particle imaging (MPI) displays the spatial distribution and concentration of superparamagnetic iron oxides (SPIOs). It is a quantitative, tomographic imaging method with high temporal and spatial resolution and allows work with high sensitivity yet without ionizing radiation. Thus, it may be a very promising tool for medical imaging.
J, Haegele, T, Sattel, M, Erbe, K, Luedtke-Buzug, M, Taupitz, J, Borgert, T M, Buzug, J, Barkhausen, F M, Vogt   +8 more
openaire   +2 more sources

Magnetostimulation Limits in Magnetic Particle Imaging

IEEE Transactions on Medical Imaging, 2013
For magnetic particle imaging (MPI), specific absorption rate (SAR) and more critically magnetostimulation (i.e., dB/dt) safety limits will determine the optimal scan parameters, such as the drive field strength and frequency. These parameters will impact the scanning speed, field-of-view (FOV) and signal-to-noise ratio in MPI.
Emine Ulku Saritas, Patrick W. Goodwill, George Z. Zhang, Steven M. Conolly   +3 more
openaire   +4 more sources

Applications of magnetic particle imaging in the dementias

Current Opinion in Psychiatry, 2020
Purpose of review This review discusses recent developments in the application of magnetic particle imaging (MPI) to dementia research. Recent findings MPI is a tracer method that is currently in the preclinical development stage.
Nady, Braidy, Wei, Wen, Andre, Bongers, Perminder S, Sachdev   +3 more
openaire   +2 more sources

Steering of magnetic devices with a magnetic particle imaging system

2013 International Workshop on Magnetic Particle Imaging (IWMPI), 2013
Small magnetic devices have been steered in arbitrary direction and with variable force using a preclinical demonstrator system for magnetic particle imaging (MPI). Fast localization due to the high imaging rate of over 40 volumes/s and strong forces due to the high field gradient of more than 1 T/m render an MPI system, a good platform for image ...
Nils Nothnagel, Jürgen Rahmer, Bernhard Gleich, Aleksi Halkola, Thorsten M. Buzug, Jörn Borgert   +5 more
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Perspectives on clinical magnetic particle imaging

Biomedizinische Technik/Biomedical Engineering, 2013
After realizing the worlds' first preclinical magnetic particle imaging (MPI) demonstrator, Philips is now realizing the worlds' first whole-body clinical prototype to prove the feasibility of MPI for clinical imaging. After a brief introduction of the basic MPI imaging process, this contribution presents an overview on the determining factors for key ...
Jörn, Borgert, Joachim D, Schmidt, Ingo, Schmale, Claas, Bontus, Bernhard, Gleich, Bernd, David, Jürgen, Weizenecker, Jonas, Jockram, Christian, Lauruschkat, Oliver, Mende, Mathias, Heinrich, Aleksi, Halkola, Jörn, Bergmann, Oliver, Woywode, Jürgen, Rahmer   +14 more
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Trajectory analysis for magnetic particle imaging

Physics in Medicine and Biology, 2008
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 through an object of interest while the field strength in the vicinity of the point is high.
T, Knopp, S, Biederer, T, Sattel, J, Weizenecker, B, Gleich, J, Borgert, T M, Buzug   +6 more
openaire   +2 more sources