Quantitation of eumelanin and pheomelanin markers in diverse biological samples by HPLC-UV-MS following solid-phase extraction

• Susanne Affenzeller,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing

  Affiliation Department of Geobiology, Georg-August University, Göttingen, Germany

  http://orcid.org/0000-0003-4554-7651

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• Holm Frauendorf,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Resources, Validation, Writing – review & editing

  Affiliation Institute of Organic & Biomolecular Chemistry, Georg-August University, Göttingen, Germany

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• Tobias Licha,

  Roles Conceptualization, Methodology, Validation, Writing – review & editing

  Current address: Institute of Geology, Mineralogy & Geophysics, Ruhr University, Bochum, Germany

  Affiliation Department of Applied Geology, Georg-August University, Göttingen, Germany

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• Daniel J. Jackson ,

  Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

  * E-mail: djackso@uni-goettingen.de(DJ); klaus.wolkenstein@uni-goettingen.de(KW)

  Affiliation Department of Geobiology, Georg-August University, Göttingen, Germany

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• Klaus Wolkenstein

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Validation, Writing – review & editing

  * E-mail: djackso@uni-goettingen.de(DJ); klaus.wolkenstein@uni-goettingen.de(KW)

  Affiliation Department of Geobiology, Georg-August University, Göttingen, Germany

  http://orcid.org/0000-0003-0944-6247

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