
Center for Medical Physics and Biomedical Engineering
Position: Associate Professor
T +43 1 40400 37730
andreas.berg@meduniwien.ac.at
Keywords
Cartilage; Diffusion Magnetic Resonance Imaging; Film Dosimetry; Magnetic Resonance Imaging; Microscopy; Multimodal Imaging; Polymers; Quality Control; Radiation Oncology; Tendons; Thermoluminescent Dosimetry; Ultrahigh field MRI
Research group(s)
- Magnetic Resonance Microimaging and -Microscopy
Research Area: Magnetic Resonance (MR)-micro-imaging and -microscopy on a human high-field MR scanner: Implementations (Hardware), quality control and Bio-medical applications
Members:
Research interests
Parameter selective Magnetic Resonance (MR) Micro-Imaging and MR-Microscopy:
1.) Hardware and Software Development
2.) Quality control
3.) Applications:
- Polymer-gel-dosimetry for radiation therapy
- Imaging of the MR-invisible in clinical imaging (e.g. hard tissue, teeth)
- Imaging of Biocompatible material (e.g. plastics) and its degradation
- MR-based-histology
- High-resolution invivo µ-imaging
- New MR-microscopy applications
Techniques, methods & infrastructure
1.) Hardware:
- High-field (B = 7T) Magnetic Resonance Imaging (MRI) -scanner;
- Magnetic Resonance Microscopy insert;
- Simple chemical lab
2.) Measurement techniques:
- Parameter selective imaging for different contrasts:
- spin density, T2, T1, diffusivity, fat- + water-saturation, Magnetization transfer,..
3.) Special techniques:
- Magnetic Resonance microscopy and micro-imaging
- Ultrashort detection time imaging (UTE)
- Polymer gel dosimetry
Selected publications
- A. Berg, A. Potthast, P. Starewicz; MR-MICROSCOPY ON A HUMAN 7T-SCANNER; Proc. ISMRM/ESMRMB, Stockholm, Sweden, 01.-07.05.2010; Progr nr. 1048, (2010).
- A. Berg, M. Stoiber, X. Deligianni, O. Bieri; T2*-mapping of tendon µ-structure changes after mechanical load in an adult bovine animal model using vTE pulse sequences: the role of resolution up to microscopic scale in quantification; Magnetic Resonance Materials in Physics, Biology and Medicine 30 (Suppl 1): S106-S107 (2017)
- Khan, M. et al., 2019. Basic Properties of a New Polymer Gel for 3D-Dosimetry at High Dose-Rates Typical for FFF Irradiation Based on Dithiothreitol and Methacrylic Acid (MAGADIT): Sensitivity, Range, Reproducibility, Accuracy, Dose Rate Effect and Impact of Oxygen Scavenger. Polymers, 11(10), p.1717 (2019) https://www.mdpi.com/2073-4360/11/10/1717
- Schwerdtfeger, M. et al., 2012. Terahertz time-domain spectroscopy for monitoring the curing of dental composites. Biomed. Opt. Express, 3(11), p.2842 (2012). https://www.osapublishing.org/boe/abstract.cfm?uri=boe-3-11-2842
- A. Berg, G. Heilemann, D. Georg MR-µ-imaging based 3-dimensional-polymer gel dosimetry in comparison to 2D-film and 1D-diamond dosimetry of mm-sized photon pencil beams; Biomedical Engineering-Biomedizinische Technik 62(s1) S519 (sept 2017) https://doi.org/10.1515/bmt-2017-5099