Reduced glutathione-resisting ¹⁹F NMR sensors for detecting HNO
2012
Kitamura, Narufumi | Hiraoka, Tatsuhiro | Tanaka, Kazuo | Chujo, Y. (Yoshiki)
The ¹⁹F NMR probes for the HNO detection are reported. We synthesized the probe molecules with the paramagnetic Cu(II) complex and fluorine atoms using a cubic silsesquioxane. By using the magnetism changes of the Cu(II) to Cu(I) in the complex by the reduction with HNO, the ¹⁹F NMR signal intensities of the probe increased. Noteworthily, our probes have superior resistance to reduced glutathione which is the major intracellular molecule to maintain the reductive environment and the competitor in the reduction of Cu(II) against HNO.
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