- Subcellular mechanism underlying microbial sulfur isotope fractionation: enzyme specific isotope effect and metabolic intermediates
- Stable isotope signatures preserved in sedimentary rocks as a proxy for biogeochemical cycles of sulfur, oxygen, carbon and metals
- Linking microbial physiology to kinetic isotope effect during the dissimilatory reduction of metal oxyanions
- Ecophysiology of modern microbial mat communities as an analogue of ancient stromatolites
- Geomicrobiology of deep-sea hydrothermal vents in the Indian Ocean