Email: jantschke@uni-mainz.de
Tel.: +49 6131 39-24829
Institute of Geosciences
Biomineralization / Crystallography research group
Johann-Joachim-Becher-Weg 21
55128 Mainz
Natfak, 4th floor
Room 04-243
Research
- Biomineralization in microalgae
- Formation and control of calcium carbonate and purine crystals, as well as silicate and cellulose
- Characterization of metastable phases and their transformations (e.g., amorphous calcium carbonate = ACC)
- Influence of biological and chemical environmental factors on mineral formation
- Structural characterization of biominerals at the micro- and nanoscale
- X-ray diffractometry (PXRD and Rietveld)
- Spectroscopy and imaging (Raman/IR/ssNMR)
- Cryo-electron microscopy
Professional experience
- Since 2021: Junior Professor of Biomineralization / Crystallography, Institute of Geosciences, JGU Mainz
- 2018–2021: Junior Group Leader, Bioanalytical Chemistry, TU Dresden
- 2016–2017: Postdoctoral researcher, Weizmann Institute of Science, Rehovot, Israel
- 2015: Scientist/Postdoc, Bioanalytical Chemistry, TU Dresden
- 2010–2014: Doctorate in chemistry, Bioanalytical Chemistry, TU Dresden
- 2005–2010: BSc and MSc in chemistry, TU Dresden
Ongoing projects
- Core4U large-scale equipment grant: Grant for a powder XRD (XRDynamic 500 by Anton Paar) (since 2026)
- Mainz Science Foundation: The unusual genome of dinoflagellates: sequencing of the calcifying microalga L. granifera (since 2024)
Completed Projects
- Earth CriSys: Raman spectroscopic analysis of biomass in speleothems: A spectral fingerprint of past changes in vegetation? (2024-2025)
- DFG DinoMat: Understanding biocrystallization in dinoflagellates: from biological pathways to functionalized hybrid materials (2020–2025)
- SAB DinoLight: Recruiting unicellular algae for the mass production of nanostructured perovskites (2020–2022)
SoSe 2026
— Currently on maternity leave! —
Winter semester: Compulsory elective module: Mineralogy
- Mineralogy lecture
- Minerals and Crystals practice class
Institute Seminar
Summer semester: Compulsory elective module: biomineralization