Determination of caffeic acid using a glassy carbon electrode modified with porous carbon material obtained from Tetrapanax papyriferus

Ionics ◽  
2022 ◽  
Author(s):  
Yang Gao ◽  
Chengyu Jin ◽  
Xiang Zhang ◽  
Jining Li ◽  
Fenghe Wang ◽  
...  
Keyword(s):  
Caffeic Acid ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Porous Carbon ◽  
Carbon Material ◽  
Porous Carbon Material ◽  
Carbon Electrode

Determination of l-DOPA at an optimized poly(caffeic acid) modified glassy carbon electrode

2016 ◽  
Vol 8 (44) ◽  
pp. 7891-7897 ◽  
Author(s):  
Ahmad Rohanifar ◽  
Amila M. Devasurendra ◽  
Joshua A. Young ◽  
Jon R. Kirchhoff
Keyword(s):  
Thin Layer ◽  
Caffeic Acid ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Sensitive Detection ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode

A glassy carbon electrode was modified by electrodeposition of a thin layer of poly(caffeic acid) and optimized for highly selective and sensitive detection of l-DOPA.

scholarly journals Binder-Free Modification of a Glassy Carbon Electrode by Using Porous Carbon for Voltammetric Determination of Nitro Isomers

ACS Omega ◽  
2019 ◽  
Vol 4 (5) ◽  
pp. 8907-8918 ◽  
Author(s):  
Shaktivel Manavalan ◽  
Pitchaimani Veerakumar ◽  
Shen-Ming Chen ◽  
Keerthi Murugan ◽  
King-Chuen Lin
Keyword(s):  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Porous Carbon ◽  
Voltammetric Determination ◽  
Carbon Electrode ◽  
Binder Free

scholarly journals Electrochemical Sensing of Caffeic Acid Using Gold Nanoparticles Embedded in Poly(3,4-ethylenedioxythiophene) Layer by Sinusoidal Voltage Procedure

Chemosensors ◽  
2019 ◽  
Vol 7 (4) ◽  
pp. 65 ◽  
Author(s):  
Davide Bottari ◽  
Laura Pigani ◽  
Chiara Zanardi ◽  
Fabio Terzi ◽  
Sanda Victorinne Paţurcă ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Composite Material ◽  
Caffeic Acid ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Electrochemical Sensing ◽  
Alcoholic Beverages ◽  
Carbon Electrode ◽  
Sinusoidal Voltage

The increasing demand for sensitive electrochemical sensors in various medical and industrial applications promotes the fabrication of novel sensing materials with improved electrocatalytic and analytical performances. This work deals with the development of a composite material based on gold nanoparticles (AuNPs) embedded in poly(3,4-ethylenedioxythiophene) (PEDOT) layer for electrochemical determination of caffeic acid (CA). CA is a phenolic compound with excellent antioxidant properties that is present in vegetables, fruits, and alcoholic and non-alcoholic beverages. Its analytical quantification is of great interest in food production monitoring and healthcare applications. Therefore, the development of sensitive analytical devices for CA monitoring is required. The AuNPs have been prepared in situ onto PEDOT coated glassy carbon electrode (GC) by means of an innovative procedure consisting on the use of a sinusoidal voltage (SV) superimposed on a constant potential. The physico-chemical properties of the PEDOT-AuNPs composite material were investigated by a range of techniques including cyclic voltammetry, electrochemical quartz crystal microbalance, and scanning electron microscopy. The glassy carbon electrode/poly(3,4-ethylenedioxythiophene)-gold nanoparticles-sinusoidal voltage (GC/PEDOT-AuNPs-SV) sensor exhibited good analytical performance toward the CA quantification with a linear response over a wide concentration range from 10 µM to 1 mM. In addition, the proposed GC/PEDOT-AuNPs-SV sensor was successfully applied in the determination of total polyphenols content expressed as equivalents of CA in juice samples.

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