Moritz Zaiss
Max Planck Society
PhysicsBiomedical engineeringSaturation (chemistry)Magnetic resonance imagingArtificial intelligenceSaturation (magnetic)ChemistryMaterials scienceIn vivoHuman brainMagnetization transferSaturation transferChemical exchangeCest mriComputer scienceNuclear magnetic resonanceArtificial neural networkProtonMedicineReproducibility
Publications 183
#1Or Perlman (Harvard University)H-Index: 7
#2Hirotaka Ito (Brigham and Women's Hospital)H-Index: 16
Last. Christian T. Farrar (Harvard University)H-Index: 31
view all 10 authors...
Non-invasive imaging methods for detecting intratumoural viral spread and host responses to oncolytic virotherapy are either slow, lack specificity or require the use of radioactive or metal-based contrast agents. Here we show that in mice with glioblastoma multiforme, the early apoptotic responses to oncolytic virotherapy (characterized by decreased cytosolic pH and reduced protein synthesis) can be rapidly detected via chemical-exchange-saturation-transfer magnetic resonance fingerprinting (CE...
#1S Mueller (MPG: Max Planck Society)H-Index: 1
#2Rolf Pohmann (MPG: Max Planck Society)H-Index: 26
Last. Moritz Zaiss (MPG: Max Planck Society)H-Index: 29
view all 7 authors...
#1A Loktyushin (MPG: Max Planck Society)H-Index: 6
#2Kai Herz (University of Tübingen)H-Index: 9
Last. Moritz Zaiss (MPG: Max Planck Society)H-Index: 29
view all 10 authors...
PURPOSE A supervised learning framework is proposed to automatically generate MR sequences and corresponding reconstruction based on the target contrast of interest. Combined with a flexible, task-driven cost function this allows for an efficient exploration of novel MR sequence strategies. METHODS The scanning and reconstruction process is simulated end-to-end in terms of RF events, gradient moment events in x and y, and delay times, acting on the input model spin system given in terms of proto...
#1Or Perlman (Harvard University)H-Index: 7
#2Bo ZhuH-Index: 19
Last. Christian T. Farrar (Harvard University)H-Index: 31
view all 5 authors...
Purpose: To develop an automated machine-learning-based method for the discovery of rapid and quantitative chemical exchange saturation transfer (CEST) MR fingerprinting acquisition and reconstruction protocols. Methods: An MR physics governed AI system was trained to generate optimized acquisition schedules and the corresponding quantitative reconstruction neural-network. The system (termed AutoCEST) is composed of a CEST saturation block, a spin dynamics module, and a deep reconstruction netwo...
#1Dario Livio LongoH-Index: 29
#2Moritz Zaiss (MPG: Max Planck Society)H-Index: 29
Last. S Aime
view all 4 authors...
#1Maximilian N. Voelker (Erwin L. Hahn Institute for Magnetic Resonance Imaging)H-Index: 3
#2Oliver Kraff (Erwin L. Hahn Institute for Magnetic Resonance Imaging)H-Index: 25
Last. Harald H. Quick (University of Duisburg-Essen)H-Index: 56
view all 23 authors...
Abstract Object This study evaluates inter-site and intra-site reproducibility at ten different 7 T sites for quantitative brain imaging. Material and Methods Two subjects – termed the “traveling heads” – were imaged at ten different 7 T sites with a harmonized quantitative brain MR imaging protocol. In conjunction with the system calibration, MP2RAGE, QSM, CEST and multi-parametric mapping/relaxometry were examined. Results Quantitative measurements with MP2RAGE showed very high reproducibility...
#1Kai Herz (MPG: Max Planck Society)H-Index: 9
#2Sebastian Mueller (MPG: Max Planck Society)H-Index: 5
Last. Moritz Zaiss (MPG: Max Planck Society)H-Index: 29
view all 15 authors...
PURPOSE As the field of CEST grows, various novel preparation periods using different parameters are being introduced. At the same time, large, multisite clinical studies require clearly defined protocols, especially across different vendors. Here, we propose a CEST definition standard using the open Pulseq format for a shareable, simple, and exact definition of CEST protocols. METHODS We present the benefits of such a standard in three ways: (1) an open database on GitHub, where fully defined, ...
#8Andreas MaierH-Index: 39
#1Angelika MenneckeH-Index: 8
Last. Arnd DörflerH-Index: 43
view all 13 authors...
#1S Mueller (MPG: Max Planck Society)H-Index: 1
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