Tryptophan oxidation by singlet molecular oxygen ['O IND. 2' ('ANTPOT. 1 Delta IND. g')]: Mechanistic studies using 'ANTPOT. 18 O'-labeled hydroperoxides, mass spectrometry, and light emission measurements - Ronsein, Graziella Eliza; Oliveira, Mauricio César Bof de; Miyamoto, Sayuri; Medeiros, Marisa Helena Gennari de; Di Mascio, Paolo (Chemical Research in Toxicology, 2008)