Research for the Environment

Kristina Hitzfeld

Contact/Adresse

e-mail:

Tel.:+49 (0) 341 235 1332
Fax: +49 (0) 341 235 1443

Department Isotope Biogeochemistry
Helmholtz Centre for Environmental Research - UFZ
Permoserstraße 15,
04318 Leipzig, Germany

Kristina Hitzfeld

Academic background

Since 11/2009 PhD student, Department of Isotope Biogeochemistry
06-09/2009 Guest scientist at EAWAG, Swiss Federal Institute of Aquatic Science and Technology, Switzerland
02/2009 Diploma degree in Environmental Chemistry, Friedrich Schiller University of Jena
08/2006-04/2007 Studies at Lund University, Sweden

Research

Compound-specific Isotope Ratio Analysis (CSIA) development for online measurements of isotopic ratios of chlorine, bromine, sulphur and oxygen

My research interest is instrumental analytics with the focus on environmental applications. During my studies, I focused on Environmental Chemistry and Ecotoxicology. For my diploma thesis I worked on GC-MS method development for the detection of volatile amines in the Bioorganics group of Prof. Dr. G. Pohnert in Jena.

At the Department of Isotope Biogeochemistry I will be working on method development of isotopic ratio measurements for my PhD. Isotopic ratio measurements of natural samples can be used to identify and follow the distribution of organic contaminants e.g. in aquifers. Not only allows this technique to deduce contaminations to their origin, it also allows monitoring their attenuation in the environment. Several established methods are available.
My aim is to improve and reduce operating expenses for the compound-specific isotope ratio analysis of organic compounds by means of online solutions.

Publications

  • Hitzfeld, K., Gehre, M., Richnow, H.-H., (2011):
    A novel online approach to the determination of isotopic ratios for organically bound chlorine, bromine and sulphur
    Rapid Commun. Mass Spectrom. 25 (20), 3114 - 3122
    full text (url)
  • Kretschmann, A., Ashauer, R., Hitzfeld, K., Spaak, P., Hollender, J., Escher, B.I., (2011):
    Mechanistic toxicodynamic model for receptor-mediated toxicity of diazoxon, the active metabolite of diazinon, in Daphnia magna
    Environ. Sci. Technol. 45 (11), 4980 - 4987
    full text (url)

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