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Hydrogen persulfide (H2S2), as a direct redox form of H2S, may have its own physiological processes in maintaining intracellular redox homeostasis. The research on hydrogen persulfide was rapidly growing. As it is the actual signalling molecules derived from hydrogen sulfide, reversible detection of hydrogen persulfide changes in cells is of great significance. To address this critical need, we present...
Electrogenerated chemiluminescences (ECLs) of alkaloids, such as berberine, trigonelline, allantoin and betaine, were studied in an aqueous alkaline buffer solution (pH 9.5), based on tris(2,2′-bipyridine)ruthenium(II) [Ru(bpy) 32+ ] immobilized in organically modified silicates (ORMOSILs) film on a glassy carbon electrode (GCE). The immobilized Ru(bpy) 32+ showed good electrochemical...
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