Research output per year

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Personal profile

Research interests

My research explores the links between magnetism and microbial processes in the environment supported by my multidisciplinary background in physics, geomicrobiology and environmental mineralogy. I apply a range of analytical approaches including spectroscopic, magnetic and electron microscopy based techniques to develop understanding about fundamental processes occurring in the environment, and also show how these bioinspired materials can be used for technological applications including remediation or targeted medical therapies. Some specific research areas include:

  • Iron mineral formation in the environment
  • Environmental magnetism
  • Electron exchange between bacteria and solid phase iron minerals
  • Contaminant remediation by redox active mixed valent minerals
  • Astrobiology and early earth
  • 57Fe Mössbauer spectroscopy
  • Scanning/Transmission electron and ion microscopy including cryogenic imaging
  • Spectral fitting methods including web based tools
  • Computer programming languages: Matlab, R, Arduino, Javascript, Python

Structured keywords and research groupings

  • Cabot Institute Environmental Change Research
  • Cabot Institute Low Carbon Energy Research
  • Cabot Institute Natural Hazards and Disasters Research
  • Cabot Institute Water Research

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Research Output

  • 50 Article (Academic Journal)
  • 1 Chapter in a book

Arsenic sequestration in pyrite and greigite in the buried peat of As-contaminated aquifers

Wang, H. Y., Byrne, J. M., Perez, J. P. H., Thomas, A. N., Göttlicher, J., Höfer, H. E., Mayanna, S., Kontny, A., Kappler, A., Guo, H. M., Benning, L. G. & Norra, S., 2020, In : Geochimica et Cosmochimica Acta. 284

Research output: Contribution to journalArticle (Academic Journal)

Complexation by cysteine and iron mineral adsorption limit cadmium mobility during metabolic activity of Geobacter sulfurreducens

Tomaszewski, E. J., Olson, L., Obst, M., Byrne, J. M., Kappler, A. & Muehe, E. M., 2020, In : Environmental Science: Processes & Impacts.

Research output: Contribution to journalArticle (Academic Journal)

Effect of Fe-metabolizing bacteria and humic substances on magnetite nanoparticle reactivity towards arsenic and chromium

Sundman, A., Vitzthum, A-L., Adaktylos-Surber, K., Figueroa, A. I., Laan, G. V. D., Daus, B., Kappler, A. & Byrne, J. M., Feb 2020, In : Journal of Hazardous Materials.

Research output: Contribution to journalArticle (Academic Journal)