Title:Peroxynitrite-mediated oxidation of dihydrorhodamine 123 Author: Neil W. Kooy , James A. Royall , Harry Ischiropoulos and Joseph S. Beckman Journal:Free Radical Biology and Medicine Volume 16, Issue 2, February 1994, Pages 149-156 Link:http://www.sciencedirect.com/science?_ob=ArticleURL&;_udi=B6T38-47P8DF3-8X&_user=709326&_coverDate=02%2F28%2F1994&_rdoc=1&_fmt=high&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1387562267&_rerunOrigin=google&_acct=C000039678&_version=1&_urlVersion=0&_userid=709326&md5=46105bec48f4188bfaa7329214da8d48