Silver nanoparticle-functionalized 3D flower-like copper (II)-porphyrin framework nanocomposites as signal enhancers for fabricating a sensitive glutathione electrochemical sensor

• Published in: Sensors and actuators. B, Chemical Vol. 342; p. 130047
• Main Authors: Liu, Tingting, Zhou, Mao, Pu, Yuxin, Liu, Liqun, Li, Feifei, Li, Mengsi, Zhang, Mingxiao
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 01.09.2021; Elsevier Science Ltd
• Subjects: Catalytic oxidation; Chemical sensors; Copper; Copper (II)-porphyrin framework; Electrical resistivity; Electrochemical analysis; Glassy carbon; Glutathione; Metal-organic frameworks; Nanocomposites; Nanoflowers; Nanoparticles; Oxidation; Porphyrins; Sensors; Silver chloride; Silver nanoparticles; Square wave voltammetry; Square waves; Three dimensional flow; Square wave voltammetry; Nanoflowers; Silver nanoparticles; Copper (II)-porphyrin framework; Glutathione

•Cu-TCPP MOF with 3D nano flower-like morphology was synthesized and applied as the modifier of glassy carbon electrode.•Ag/Cu-TCPP/GCE exhibits high electrocatalytic activity for glutathione oxidation.•Glutathione is detected by the formation of a copper (II)-glutathione complex at low overpotentia...