Oxidative Medicine and Cellular Longevity has retracted the article titled “Nitroxyl (HNO): A Reduced Form of Nitric Oxide with Distinct Chemical, Pharmacological, and Therapeutic Properties” [1]. The article was found to contain a substantial amount of material from the following published articles:(i)Nazareno Paolocci, Matthew I. Jackson, Brenda E. Lopez, Katrina Miranda, Carlo G. Tocchetta, David A. Wink, Adrian J. Hobbs, Jon M. Fukuto: The pharmacology of nitroxyl (HNO) and its therapeutic potential: Not just the janus face of NO1. Pharmacology & Therapeutics Volume 113, Issue 2, February 2007, Pages 442–458.(ii)Jon M. Fukuto, Michael D. Bartberger, Andrew S. Dutton, Nazareno Paolocci, David A. Wink, and, and K. N. Houk: The Physiological Chemistry and Biological Activity of Nitroxyl (HNO):  The Neglected, Misunderstood, and Enigmatic Nitrogen Oxide. Chemical Research in Toxicology 2005 18 (5), 790–801. DOI: 10.1021/tx0496800.(iii)Christopher H. Switzer, Wilmarie Flores-Santana, Daniele Mancardi, Sonia Donzelli, Debashree Basudhar, Lisa A. Ridnour, Katrina M. Miranda, Jon M. Fukuto, Nazareno Paolocci, David A. Wink: The emergence of nitroxyl (HNO) as a pharmacological agent. Biochimica et Biophysica Acta (BBA) - Bioenergetics Volume 1787, Issue 7, July 2009, Pages 835–840.(iv)Irvine, Jennifer C. et al. Nitroxyl (HNO): the Cinderella of the nitric oxide story. Trends in Pharmacological Sciences, Volume 29, Issue 12, 601–608.(v)Katrina M. Miranda: The chemistry of nitroxyl (HNO) and implications in biology. Coordination Chemistry Reviews Volume 249, Issues 3–4, February 2005, Pages 433–455.