Working standards and analytical framework for CSIA: isotopic composition (δ13C, δ15N, and δ34S) of 21 amino acids and 7 nucleobases

Abstract We determined the carbon and nitrogen isotope compositions of biologically important 21 amino acids and 7 nucleobases, which are used as working standards. These isotopic compositions were determined using a high-sensitivity elemental analyzer coupled to an isotope ratio mass spectrometer (...

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Główni autorzy:	Nanako O. Ogawa, Yoshinori Takano, Yu Itahashi, Naoto F. Ishikawa, Naohiko Ohkouchi
Format:	Artigo
Język:	Inglês
Wydane:	SpringerOpen 2025-12-01
Seria:	Progress in Earth and Planetary Science
Hasła przedmiotowe:	Compound-specific isotope analysis Isotope reference materials Amino acids Nucleobases Stable carbon isotope ratio Nitrogen isotope ratio
Dostęp online:	https://doi.org/10.1186/s40645-025-00782-8
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