2024
DOI: 10.1021/acs.est.4c02319
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First-Time Isotopic Characterization of Seleno-Compounds in Biota: A Pilot Study of Selenium Isotopic Composition in Top Predator Seabirds

Claudia Marchán-Moreno,
Pascale Louvat,
Maite Bueno
et al.

Abstract: This study pioneers the reporting of Se isotopes in marine top predators and represents the most extensive Se isotopic characterization in animals to date. A methodology based on hydride generation�multicollector inductively coupled plasma mass spectrometry�was established for such samples. The study was conducted on various internal organs of giant petrels (Macronectes spp.), encompassing bulk tissues (δ 82/78 Se bulk ), distinct Se-specific fractions such as selenoneine (δ 82/78 Se SEN ), and HgSe nanopartic… Show more

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