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Article
Covalent modification of a glassy carbon electrode with penicillamine for simultaneous determination of hydroquinone and catechol
A simple and highly selective electrochemical method has been developed for the simultaneous determination of hydroquinone (HQ) and catechol (CC) at a glassy carbon electrode covalently modified with penicilla...
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Article
Selective determination of uric acid in the presence of ascorbic acid using a penicillamine self-assembled gold electrode
The electrochemical behaviors of uric acid (UA) at the penicillamine (Pen) self-assembled monolayers modified gold electrode (Pen/Au) have been studied. The Pen/Au electrode is demonstrated to promote the elec...
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Article
Simultaneous electrochemical detection of dopamine and ascorbic acid at a poly(p-toluene sulfonic acid) modified electrode
A poly(p-toluene sulfonic acid)-modified glassy carbon electrode showed an excellent electrocatalytic effect on the oxidation of dopamine (DA) and ascorbic acid (AA). Favorable electrostatic interaction between t...
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Article
Electrochemical behavior and determination of epinephrine at a mercaptoacetic acid self-assembled gold electrode
The electrochemical behavior of epinephrine (EP) at a mercaptoacetic acid (MAA) self-assembled monolayer modified gold electrode was studied. The MAA/Au electrode is demonstrated to promote the electrochemical...