scholarly journals An Electrochemical Sensor Based on MB/Ag-ZnO/Graphene Modified Glassy Carbon Electrode for Determination of L- Tryptophan in Biofluid Samples

2019 ◽  
pp. 5448-5461 ◽  
Author(s):  
Yao Wang ◽  
Keyword(s):  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode

Self-Assembled Hybrid Films of Graphene/Carbon Nanotube Modified Electrode for Sensitive and Selective Determination of Rutin

2012 ◽  
Vol 531 ◽  
pp. 419-422 ◽  
Author(s):  
Zong Hua Wang ◽  
Shu Yan Yao ◽  
Jian Fei Xia ◽  
Fei Fei Zhang ◽  
Xin Mei Guo ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Rapid Determination ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Hybrid Films ◽  
Selective Determination

Abstract: Graphene/Carbon Nanotube hybrid films modified glassy carbon electrode (GN-CNT/GC) was fabricated as electrochemical sensor for the sensitive and rapid determination of rutin. The electrochemical behaviors of rutin at the GN-CNT/GC have been investigated. Rutin can generate a pair of well-defined redox peaks at the GN-CNT/GC located at 0.450 V (Epa) and 0.409 V (Epc). Compared with graphene modified glassy carbon electrode (GN/GC) and carbon nanotube modified glassy carbon electrode (CNT/GC), GN-CNT/GC showed a higher catalytic activity toward rutin. This result indicates that the GN-CNT hybrid films as a modifier strengthens the adsorption of rutin. Cyclic voltammetry (CV), different pulse voltammetry (DPV) and transmission electron microscopy (TEM) were employed to characterize the electrochemical sensor and hybrid films. Under the optimal conditions, the oxidation peak current is linear to the rutin concentration over the range of 2.0×10-7-6.0×10-5 M and the detection limits were 1.0×10-7 M.

Bisphenol a electrochemical sensor based on multi-walled carbon nanotubes/polythiophene/Pt nanocomposites modified electrode

2016 ◽  
Vol 8 (16) ◽  
pp. 3333-3338 ◽  
Author(s):  
Jun Wan ◽  
Yuxiao Si ◽  
Chao Li ◽  
Kun Zhang
Keyword(s):  
Carbon Nanotubes ◽  
Bisphenol A ◽  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

A facile and eco-friendly electrochemical sensor based on a multi-walled carbon nanotubes/polythiophene/Pt nanocomposites-modified glassy carbon electrode for determination of bisphenol A (BPA) was constructed using the MWCNT/PTh/Pt nanocomposites to modify glassy carbon (GC).

Layered double hydroxide decorated with Ag nanodendrites as an enhanced sensing platform for voltammetric determination of pyrazinamide

2018 ◽  
Vol 42 (3) ◽  
pp. 2140-2148 ◽  
Author(s):  
Roghayeh Amini ◽  
Karim Asadpour-Zeynali
Keyword(s):  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Layered Double Hydroxide ◽  
Glassy Carbon ◽  
Voltammetric Determination ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Sensing Platform ◽  
Double Hydroxide

A sensitive electrochemical sensor for pyrazinamide was constructed by electrodepositing Ag nanodendrites on the LDH-modified glassy carbon electrode.

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