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Andreas Georg Berg
Ao.Univ.-Prof. Dipl.-Phys. Dr. Andreas Georg BergMR-Physics at High-field MR-Center

Center for Medical Physics and Biomedical Engineering
Position: Associate Professor

ORCID: 0000-0002-2190-5242
T +43 1 40400 37730
andreas.berg@meduniwien.ac.at

Further Information

Keywords

Cartilage; Diffusion Magnetic Resonance Imaging; Histology, Comparative; Magnetic Resonance Imaging; Microscopy; Multimodal Imaging; Phantoms, Imaging; Polymers; Quality Control; Radiation Oncology; Radiation, Ionizing; Tendons; Ultrahigh field MRI

Research group(s)

Research interests

    1 Hardware and Software Development

    2 Quality control and Quantitative Imaging

    3 Applications:

    • Polymer-gel-dosimetry for radiation therapy
    • Broad-Line Imaging of the MR-invisible in clinical imaging (e.g. hard tissue, tendons, teeth)
    • Imaging of Biocompatible material (e.g. polymers, plastics) and its degradation
    • MR-based-histology
    • High-resolution in-vivo µ-imaging
    • New MR-microscopy applications


    Please also refer to the topic-page:

    Parameter selective Magnetic Resonance (MR) Micro-Imaging and MR-Microscopy:

Techniques, methods & infrastructure

    1 Hardware:

    • Ultra-High-field (B = 7T) Magnetic Resonance Imaging (MRI) -scanner;
    • Prototype Magnetic Resonance Microscopy insert including strong gradeint system and sensitive rf-coils
    • Simple chemical lab

    2 Measurement techniques:

    • Parameter selective imaging for different contrasts: spin density, T2, T1, diffusivity, fat- + water-saturation, Magnetization transfer,..
    • Ultrashort Time Encoding (UTE, Broad-Line Imaging) of rigid tissue and polymer imaging
    • Small Volume MRS

    3 Special techniques

    • Polymer gel manufacturing and MR-imaging based high-resolution 3-Dimensional dosimetry for radiation therapy
    • Magnetic Resonance microscopy and micro-imaging
    • PETRA (Ultrashort Time Encoding imaging).
    • MR-characterization of modified solid MR-polymers

Selected publications

  1. Berg, A.G. and Seewald, A.K. (2026) ‘Visualization of text on bowed sheets via High-resolution 3D-Magnetic Resonance Micro-imaging for potential reading of closed books: the proof-of-concept’, Communications Engineering [Preprint]. Available at: https://doi.org/10.1038/s44172-026-00614-7.
  2. Berg, A.G. and Börner, M. (2023) ‘A phantom for the quantitative determination and improvement of the spatial resolution in slice-selective 2D-FT magnetic resonance micro-imaging and -microscopy based on Deep X-ray Lithography (DXRL)’, Frontiers in Physics, 11. Available at: https://doi.org/10.3389/fphy.2023.1144112.
  3. 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. Available at: http://dx.doi.org/10.3390/polym11101717.
  4. 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)
  5. 5. 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