A fast, direct, and sensitive analysis method for catechin determination in green tea by batch injection analysis with multiple-pulse amperometry (BIA-MPA)

2018 ◽  
Vol 10 (17) ◽  
pp. 2034-2040 ◽  
Author(s):  
Geyse Adriana Corrêa Ribeiro ◽  
Cláudia Quintino da Rocha ◽  
Auro Atsushi Tanaka ◽  
Iranaldo Santos da Silva
Keyword(s):  
Glassy Carbon Electrode ◽  
Green Tea ◽  
Glassy Carbon ◽  
Cost Effective ◽  
Bioactive Compound ◽  
Carbon Electrode ◽  
Analysis Method ◽  
Bare Glassy Carbon Electrode ◽  
Sensitive Analysis ◽  
Multiple Pulse

A bioactive compound was quantified on a bare glassy carbon electrode by BIA-MPA. This method is simple, fast, and cost effective.

Simultaneous detection of hydroquinone and catechol with decreasing pH at a bare glassy carbon electrode surface

2019 ◽  
Vol 11 (5) ◽  
pp. 604-609 ◽  
Author(s):  
Jianhua Fan ◽  
Junjie Pang ◽  
Yue Zhang ◽  
Lijuan Zhang ◽  
Wenwen Xu ◽  
...  
Keyword(s):  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Electrode Surface ◽  
Simultaneous Detection ◽  
Carbon Electrode ◽  
Bare Glassy Carbon Electrode ◽  
Decreasing Ph

Hydroquinone (HQ) and catechol (CC) are two isomers, which often coexist and interfere with each other during their identification in samples.

Cysteine determination via adsorptive stripping voltammetry using a bare glassy carbon electrode

The Analyst ◽  
2016 ◽  
Vol 141 (19) ◽  
pp. 5563-5570 ◽  
Author(s):  
Madalena C. C. Areias ◽  
Kenichi Shimizu ◽  
Richard G. Compton
Keyword(s):  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Stripping Voltammetry ◽  
Adsorptive Stripping Voltammetry ◽  
Carbon Electrode ◽  
Bare Glassy Carbon Electrode ◽  
Acidic Electrolyte

Determination of cysteine by adsorptive stripping voltammetry at a bare GCE in an acidic electrolyte medium in the presence of copper(ii) ions.

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