Reaction of nitric oxide with the iron(III) complex of N-(dithiocarboxy)sarcosine: a new type of reductive nitrosylation involving iron(IV) as an intermediate †
NO with the ironcomplex of N-(dithiocarboxy)sarcosine (H2DTCS) was investigated by UV/VIS absorption spectroscopy, HPLC, LC-ESI MS and pulseradiolysis. The results of HPLC and LC-ESI MS clearly showed that the reaction products of NO with [FeIII(DTCS)3]3− are [NO–FeII(DTCS)2]2− and a dimer of DTCS in which two DTCS bind through a disulfide bond. On pulseradiolysis of a deaerated aqueous solution of
Nitric Oxide Switches on the Photoluminescence of Molecularly Engineered Quantum Dots
作者:Suhua Wang、Ming-Yong Han、Dejian Huang
DOI:10.1021/ja904824w
日期:2009.8.26
due to their optical energy overlapping. Nitric oxide restored the fluorescence of the QDs through reduction of the surface bound iron(III) complexes to iron(I)-NO adducts and thus shutting down the energy transfer pathway. The fluorescence of the iron(III) complex engineered QDs was selectively and quantitatively restored by nitric oxide but not by other reactive oxygen species. Such a property of