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Barbara Katharina Geist
Mag. Dr. rer. nat. Barbara Katharina Geist

Department of Biomedical Imaging and Image-guided Therapy (Division of Nuclear Medicine)
Position: Research Associate (Postdoc)

ORCID: 0000-0003-0098-0048
T +43 1 40400 55450

Further Information


Kidney; Molecular Imaging; Pharmacokinetics

Research interests

My main research focus is to quantify processes with molecular targets, monitored with techniques from Nuclear Medicine, e.g. positron emission tomography (PET), using various methods (kinetic modeling, network analysis, mediation analysis, ...).

Selected publications

  1. Geist, B.K. et al., 2015. WWSSF - a worldwide study on radioisotopic renal split function. Nuclear Medicine Communications, 36(12), pp.1233-1238. Available at:
  2. Geist, B.K., Diemling, M. & Staudenherz, A., 2016. Glomerular Filtration Rate and Error Calculation Based on the Slope-Intercept Method with Chromium-51 Ethylenediaminetetraacetic Acid via a New Clinical Software: GFRcalc. Medical Principles and Practice, 25(4), pp.368-373. Available at:
  3. Geist, B.K. et al., 2018. Assessing the kidney function parameters glomerular filtration rate and effective renal plasma flow with dynamic FDG-PET/MRI in healthy subjects. EJNMMI Research, 8(1). Available at:
  4. Geist, B.K. et al., 2020. Comparison of different kinetic models for dynamic 18F-FDG PET/CT imaging of hepatocellular carcinoma with various, also dual-blood input function. Physics in Medicine & Biology. Available at:
  5. Geist, B.K. et al., 2019. Assessment of the kidney function parameters split function, mean transit time, and outflow efficiency using dynamic FDG-PET/MRI in healthy subjects. European Journal of Hybrid Imaging, 3(1). Available at: