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Open Access Environmental Photochemistry of Amino Acids, Peptides and Proteins

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Amino acids, peptides and proteins are central building blocks of life and of key importance in the biogeochemistry of aquatic ecosystems. In sunlit surface waters, amino acid-based molecules at different levels of structural organization are susceptible to transformation by both direct photochemical reactions and indirect processes caused by photochemically produced reactive oxygen species (e.g. hydroxyl radical or singlet oxygen). Photochemical transformation processes can thereby affect the availability of these crucial nutrient sources in aquatic ecosystems, inhibit the function of microbial extracellular enzymes, or even promote the degradation of amino acid-based pollutant molecules. In this article, the environmental photochemistry of amino acids, peptides and proteins in aquatic systems is reviewed.

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Keywords: AMINO ACIDS; ENVIRONMENTAL FATE; NATURAL ORGANIC MATTER; PHOTOCHEMISTRY; PROTEINS

Document Type: Research Article

Affiliations: 1: Institute of Biogeochemistry and Pollutant Dynamics ETH Zurich Universitätstrasse 16 CH-8092 Zurich, Switzerland 2: Institute of Biogeochemistry and Pollutant Dynamics ETH Zurich Universitätstrasse 16 CH-8092 Zurich, Switzerland. [email protected]

Publication date: November 1, 2014

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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