Researcher Portfolio
Lewis, Alan
Simulations from Ab Initio Approaches, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society
Researcher Profile
Position: Simulations from Ab Initio Approaches, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society
Researcher ID: https://pure.mpg.de/cone/persons/resource/persons262183
Publications
(1 - 25 of 1084)
: Teckentrup, V., Ludwig, M., Seibt, J., Hartig, R., Preissl, H., Schuppert, M., Avdievich, N., Scheffler, K., Priovoulos, N., Ehses, M., Poser, B., Wiggins, C., Trautner, P., Honerbach, W., Jacobs, H., Speck, O., Hämmerer, D., & Kroemer, N. (submitted). Assessing a stimulator modification for simultaneous non-invasive auricular vagus nerve stimulation and magnetic resonance imaging. [PubMan] : Aghaeifar, A., Müller, S., & Scheffler, K. (2025). SpinWalk: a Monte Carlo simulator for MR-signal formation in inhomogeneous tissue. Imaging Neuroscience, 3: imag_a_00533. doi:10.1162/imag_a_00533. [PubMan] : Mahler, L., Steiglechner, J., Bender, B., Lindig, T., Ramadan, D., Bause, J., Birk, F., Heule, R., Charyasz, E., Erb, M., Kumar, V., Hagberg, G., Martin, P., Lohmann, G., & Scheffler, K. (2025). UltraCortex: Submillimeter Ultra-High Field 9.4 T Brain MR Image Collection and Manual Cortical Segmentations. Nature, 12(1): 635. doi:10.1038/s41597-025-04779-2. [PubMan] : Povolni, P., Bendfeld, R., Maltsev, S., Samlow, J., Glang, F., Valsala, P., Goerner, D., Bosch, D., Mueller, S., Birk, F., Buckenmaier, K., & Scheffler, K. (2025). Easy scalable, low-cost open-source magnetic field detection system for evaluating low-field MRI magnets using a motion-tracked robot. Magnetic Resonance Materials in Physics, Biology and Medicine, Epub ahead. doi:10.1007/s10334-025-01239-1. [PubMan] : Lohmann, G., Steiglechner, J., Mahler, L., & Scheffler, K. (submitted). Beyond ROIs: Laminar fMRI Mapping with Cylarim. [PubMan] : Bernard, R., Scheffler, K., & Pohmann, R. (2025). Characterization of fMRI sequences using concurrent optical imaging and fMRI. Poster presented at 20th European Molecular Imaging Meeting (EMIM 2025), Bilbao, Spain. [PubMan] : Birk, F., Mahler, L., Steiglechner, J., Wang, Q., Scheffler, K., & Heule, R. (2025). Flexible and cost-effective deep learning for accelerated multi-parametric relaxometry using phase-cycled bSSFP. Scientific Reports, 15(1): 4825. doi:10.1038/s41598-025-88579-z. [PubMan] : Charyasz, E., Erb, M., Bause, J., Heule, R., Bender, B., Kumar, V., Grodd, W., & Scheffler, K. (submitted). Functional connectivity of thalamic nuclei during sensorimotor task-based fMRI at 9.4 Tesla. [PubMan] : Iyyappan Valsala, P., Pohmann, R., Heule, R., Solomakha, G., Avdievich, N., Engelmann, J., Kuebler, L., Martins, R., & Scheffler, K. (submitted). High-resolution deuterium metabolic imaging of the human brain at 9.4 T using bSSFP spectral-spatial acquisitions. [PubMan] : Buckenmaier, K., Neumann, R., Bullinger, F., Kempf, N., Povolni, P., Engelmann, J., Samlow, J., Hövener, J.-B., Scheffler, K., Ortmeier, A., Plaumann, M., Körber, R., Theis, T., & Pravdivtsev, A. (submitted). Indirect Zero Field NMR Spectroscopy. [PubMan] : Popova, K., Glang, F., Bosch, D., Scheffler, K., Avdievich, N., Glybovski, S., & Solomakha, G. (2024). An array of paired folded-end dipoles for whole-brain imaging at 9.4 T. Journal of Magnetic Resonance, 368: 107791. doi:10.1016/j.jmr.2024.107791. [PubMan] : Ladd, M., Quick, H., Scheffler, K., & Speck, O. (2024). Design requirements for human UHF magnets from the perspective of MRI scientists. Superconductor Science and Technology, 37(11): 113001. doi:10.1088/1361-6668/ad7d3f. [PubMan] : Pohmann, R., Avdievich, N., & Scheffler, K. (2024). Signal-to-noise ratio versus field strength for small surface coils. NMR in Biomedicine, 37: e5168, pp. 10. doi:10.1002/nbm.5168. [PubMan] : Charyasz, E., Heule, R., Molla, F., Erb, M., Kumar, V., Grodd, W., Scheffler, K., & Bause, J. (2024). Functional mapping of sensorimotor activation in the human thalamus at 9.4 Tesla. In M. Sollmann, D. Yu, & K.-H. Chuang (Eds. ), New challenges and future perspectives in brain imaging methods (2., pp. 78-90). [PubMan] : Maltsev, S., Povolni, P., Schneider, M., Scheffler, K., & Buckenmaier, K. (2024). SQUID based Method of Evaluating Noise Characteristics of High Temperature Superconductors used in Novel Low Field MRI Scanner Designs. Poster presented at DACH-ISMRM Annual Meeting 2024, Tübingen, Germany. [PubMan] : Mueller, S., Stirnberg, R., & Scheffler, K. (2024). Mapping BOLD response with temporally re-ordered, segmented 3D GRE EPI for high spatiotemporal resolution. Poster presented at 40th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2024), Barcelona, Spain. [PubMan] : Glang, F., & Scheffler, K. (2024). Multichannel compressed sensing MRI with time-varying coil sensitivities. Magnetic Resonance Materials in Physics, Biology and Medicine, 37(Supplement 1): O16, S26-S28. [PubMan] : Samlow, J., Maltsev, S., Buckenmaier, K., Scheffler, K., & Povolni, P. (2024). Easy Rebuildable Cubic 3-Axis Positioning Robot Based on Open-Source Hardware: Validated via Camera-Based Motion Tracking and Initial Application in Magnetic Low Field Mapping. Poster presented at DACH-ISMRM Annual Meeting 2024, Tübingen, Germany. [PubMan] : Povolni, P., Bendfeld, R., Maltsev, S., Buckenmaier, K., & Scheffler, K. (2024). A Low-Cost Magnetic Measurement System for Low-Field MRI Magnets based on a Motion Tracked Flexible-Joint Robot with 5 Degrees of Freedom. Poster presented at DACH-ISMRM Annual Meeting 2024, Tübingen, Germany. [PubMan] : Müller, F., Scheffler, K., & Bosch, D. (2024). The impact of fat-navigator resolution on motion parameter estimation accuracy. Poster presented at DACH-ISMRM Annual Meeting 2024, Tübingen, Germany. [PubMan] : Valsala, P., Heule, R., Ehses, P., Veldmann, M., & Scheffler, K. (2024). Investigation of bSSFP frequency response changes during a functional experiment at 9.4 T. Magnetic Resonance Materials in Physics, Biology and Medicine, 37(Supplement 1): O67, S111-S113. [PubMan] : Pohmann, R., Schwarz, J., & Scheffler, K. (2024). Open-source tool to create models of vasculature for fMRI simulations. Poster presented at 40th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2024), Barcelona, Spain. [PubMan] : von Raven, A., Oeltermann, A., Engelmann, J., Pohmann, R., & Scheffler, K. (2024). Tissue-susceptibility matched electrodes for simultaneous magnetic resonance imaging. Poster presented at 40th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2024), Barcelona, Spain. [PubMan] : Kumar, V., Bause, J., Beckmann, C., Scheffler, K., & Grodd, W. (2024). Mesoscopic functional mapping of the globus pallidus nuclei at 9.4T. In 26th Annual Meeting of the German-speaking section of ISMRM: DACH-ISMRM 2024 (pp. 111-112). [PubMan] : Bullinger, F., Kempf, N., Povolni, P., Neumann, R., Engelmann, J., Romanowski, J., Pravdivtsev, A., Körber, R., Plaumann, M., Scheffler, K., & Buckenmaier, K. (2024). Magnetic resonance in the zero and ultralow field regime: a transition from one-dimensional oscillation to precession. In 26th Annual Meeting of the German-speaking section of ISMRM: DACH-ISMRM 2024 (pp. 40-41). [PubMan]