简介:Apyridoxal-basedchemosensorwassynthesizedbyreactinghydrazinehydrateandpyridoxalhydrochlorideinethanolandcharacterizedbyNMRandESI-MS.Theopticalpropertiesofthecompoundwereinvestigatedinamethanol:HEPESsolution.ThecompounddisplayedselectivityforCu2+,asevidencedbyacolorlesstoyellowcolorchange,whichwascharacterizedusingUV–visspectroscopy.ThefluorescenceofthecompoundcanbequenchedonlybyCu2+,accompanyingbyacolorchangefrombluetocolorless.Furthermore,itcanbeusedinbioimaging.