GEOMAR  Helle, Niklas

Dr. Niklas Helle

Postdoctoral Researcher

Topic 6: Marine and polar Life

RD2: Marine Biogeochemistry
RU CH Chemical Oceanography

WG Water Column Biogeochemistry

Office:
Building 5, Room 1.407
Tel.: 0049 431 600 1532
E-Mail: nhelle(at)geomar.de

Address:
GEOMAR Helmholtz Centre for Ocean Research Kiel
Building 5
Wischhofstrasse 1-3
24148 Kiel

Research Focus

  • Human bioinorganic chemistry
  • Trace analysis
  • Mass spectrometry

Projects

Vita

  • 2023 - today: GEOMAR Helmholtz Centre for Ocean Research Kiel | Postdoctoral researcher
  • 2022 - 2023: Kiel University | Postdoctoral researcher
  • 2022: Kiel University | PhD in Physical Chemistry

Publications

For a full list of publications please click here.

  • Gledhill, M., Gosnell, K., Humphreys, M.P., Delaigue, L., Helle, N., Zhu, K., Lodeiro, P., Rey-Castro, C., Achterberg, E.P. (2025). Chemical controls on iron distributions across the subsurface South Pacific Ocean. Nature Communications, 17:3533, 1-14.
    DOI: https://doi.org/10.1038/s41467-026-72070-y
  • Helle, N., Hobert, M. A., Maetzler, W., Gledhill, M. (2025). Size-exclusion chromatography hypernated to inductively-coupled plasma and electrospray ionization mass spectrometry for the analysis of human body fluids' metalloprotein profiles. Microchemical Journal,  219, 115790.
    DOI: https://doi.org/10.1016/j.microc.2025.115790
  • Hobert, M. A., Helle, N., Siebert, C., Eisenhauer, A., Gledhill, M., Maetzler, W. (2025). Exploiting the Fractionation of Stable Isotopes in Biochemical Processes for Medical Diagnosis: A Narrative Review. Aging and disease.
    DOI: https://doi.org/10.14336/AD.2024.1577
  • Helle, N., Raeker, T., Grotemeyer, J. (2022). Studies of the First Electronically Excited State of 3-Fluoropyridine and Its Ionic Structure by Means of REMPI, Two-Photon MATI, One-Photon VUV-MATI Spectroscopy and Franck–Condon Analysis. Physical Chemistry Chemical Physics, 24, 2412-2423.
    DOI: https://doi.org/10.1039/D1CP04636E
  • Helle, N., Raeker, T., Grotemeyer, J. (2021). Investigation of the complex vibronic structure in the first excited and ionic ground states of 3-chloropyridine by means of REMPI and MATI spectroscopy and Franck–Condon analysis. Physical Chemistry Chemical Physics, 33, 17917-17928.
    DOI: https://doi.org/10.1039/D1CP02406J