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Se K-edge X-ray absorption near-edge spectra of Se model compounds. α-Se, red elemental selenium; GSSeSG, selenodiglutathione; CysSeSeCys, selenocystine; CysSSeCys, sulfoselenocystine; SeCys, selenocysteine; SeMet, selenomethionine; MeSeCys, methylselenocysteine; CysSe−, deprotonated selenocysteine; HSe−, hydrogen selenide. Reprinted with permission from ref 20. Copyright 2011 American Chemical Society.
