Enhanced electrochemical sensing of dopamine in the presence of AA and UA using a curcumin functionalized gold nanoparticle modified electrode

2019 ◽  
Vol 43 (48) ◽  
pp. 19003-19013 ◽  
Author(s):  
K. Krishna Kumar ◽  
M. Devendiran ◽  
R. A. Kalaivani ◽  
S. Sriman Narayanan
Keyword(s):  
Gold Nanoparticles ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Modified Electrode ◽  
Electrochemical Sensing

In the present study, a electrochemical sensor for the determination of dopamine was developed with green synthesised gold nanoparticles using curcumin as a reducing and, functionalizing agent.

Highly sensitive electrochemical sensor for dopamine with a double-stranded deoxyribonucleic acid/gold nanoparticle/graphene modified electrode

2015 ◽  
Vol 7 (5) ◽  
pp. 1878-1883 ◽  
Author(s):  
Wencheng Wang ◽  
Yong Cheng ◽  
Lijun Yan ◽  
Huanhuan Zhu ◽  
Guangjiu Li ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Ionic Liquid ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Modified Electrode ◽  
Deoxyribonucleic Acid ◽  
Carbon Ionic Liquid Electrode ◽  
Liquid Electrode ◽  
Highly Sensitive

A highly sensitive electrochemical sensor for the detection of dopamine was realized with a double-stranded deoxyribonucleic acid/gold nanoparticles/graphene modified carbon ionic liquid electrode.

Selective analysis of epinephrine in the presence of uric acid by using an amplified electrochemical sensor employing a gold nanoparticle decorated cysteic acid film

2017 ◽  
Vol 9 (45) ◽  
pp. 6394-6402 ◽  
Author(s):  
G. Karim-Nezhad ◽  
Z. Khorablou
Keyword(s):  
Gold Nanoparticles ◽  
Uric Acid ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Glassy Carbon ◽  
Cysteic Acid ◽  
Carbon Electrode ◽  
Selective Determination ◽  
Selective Analysis

In the present work, an effective electrochemical sensor for the rapid and selective determination of epinephrine (EP) in the presence of uric acid (UA) based on a glassy carbon electrode (GCE) modified with gold nanoparticles (AuNPs) and cysteic acid was applied.

scholarly journals Polyphenol oxidase/gold nanoparticles/mesoporous carbon-modified electrode as an electrochemical sensing platform for rutin in dark teas

RSC Advances ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 2152-2155 ◽  
Author(s):  
Tongsheng Zhong ◽  
Qianqiong Guo ◽  
Zhifang Yin ◽  
Xiaoyan Zhu ◽  
Rong Liu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Modified Electrode ◽  
Polyphenol Oxidase ◽  
Mesoporous Carbon ◽  
Electrochemical Sensing ◽  
Sensing Platform ◽  
Great Surface ◽  
Enhanced Conductivity ◽  
Great Surface Area

By virtue of great surface area of mesoporous carbon, enhanced conductivity of AuNPs, and good electrochemical response of polyphenol oxidase to rutin, a PPO/AuNPs/FDU-15-modified electrode was used for the determination of rutin in dark teas.

Ultrasensitive determination of chloramphenicol in pork and chicken meat samples using a portable electrochemical sensor: effects of 2D nanomaterials on the sensing performance and stability

2021 ◽  
Author(s):  
Ngo Xuan Dinh ◽  
Tuyet Nhung Pham ◽  
Tran Quang Huy ◽  
Do Quang Trung ◽  
Pham Anh Tuan ◽  
...  
Keyword(s):  
Electrochemical Sensor ◽  
Food Samples ◽  
Chicken Meat ◽  
Electrochemical Sensing ◽  
Portable Sensors ◽  
2D Nanomaterials ◽  
Meat Samples ◽  
Sensing Performance

This work contributes to a deeper understanding of the effects of functional 2D nanomaterials on the electrochemical sensing performance of SPE-based portable sensors for the rapid, accurate, and on-site determination of CAP in food samples.

Simultaneous Electrochemical Determination of Sulphite and Nitrite by a Gold Nanoparticle/Graphene-Chitosan Modified Electrode

2013 ◽  
Vol 41 (8) ◽  
pp. 1232-1237 ◽  
Author(s):  
Xue WANG ◽  
Hui LI ◽  
Min WU ◽  
Shu-Li GE ◽  
Yan ZHU ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Modified Electrode ◽  
Electrochemical Determination
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