Carbon dots and chitosan composite film based biosensor for the sensitive and selective determination of dopamine
A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of t...
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| Published in | Analyst (London) Vol. 138; no. 18; pp. 5417 - 5423 |
|---|---|
| Main Authors | , , , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
England
21.09.2013
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| Subjects | |
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| Abstract | A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current (
I
pa
) of DA was linear with the concentration of DA in the range from 0.1 μM to 30.0 μM with the limit of detection as 11.2 nM (3
S
/
N
). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results.
A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). |
|---|---|
| AbstractList | A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current (I sub(pa)) of DA was linear with the concentration of DA in the range from 0.1 mu M to 30.0 mu M with the limit of detection as 11.2 nM (3S/N). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results. A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current (Ipa) of DA was linear with the concentration of DA in the range from 0.1 μM to 30.0 μM with the limit of detection as 11.2 nM (3S/N). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results.A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current (Ipa) of DA was linear with the concentration of DA in the range from 0.1 μM to 30.0 μM with the limit of detection as 11.2 nM (3S/N). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results. A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current (Ipa) of DA was linear with the concentration of DA in the range from 0.1 μM to 30.0 μM with the limit of detection as 11.2 nM (3S/N). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results. A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). Under optimal conditions, the CDs-CS/GCE showed a better electrochemical response for the detection of DA than that of the glassy carbon electrode (GCE). The oxidation peak current ( I pa ) of DA was linear with the concentration of DA in the range from 0.1 μM to 30.0 μM with the limit of detection as 11.2 nM (3 S / N ). The CDs-CS/GCE was applied to the detection of DA content in an injection solution of DA with satisfactory results. A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) and chitosan (CS) composite film modified glassy carbon electrode (CDs-CS/GCE). |
| Author | He, Yasan Weng, Wen Ni, Jiancong Zhang, Hanqiang Huang, Qitong Chen, Jianhua Li, Feiming Lin, Yi Bao, Xiuxiu Hu, Shirong |
| AuthorAffiliation | Fujian Province University Key Laboratory of Analytical Science Department of Chemistry and Environment Science Zhangzhou Normal University |
| AuthorAffiliation_xml | – name: Department of Chemistry and Environment Science – name: Zhangzhou Normal University – name: Fujian Province University Key Laboratory of Analytical Science |
| Author_xml | – sequence: 1 givenname: Qitong surname: Huang fullname: Huang, Qitong – sequence: 2 givenname: Shirong surname: Hu fullname: Hu, Shirong – sequence: 3 givenname: Hanqiang surname: Zhang fullname: Zhang, Hanqiang – sequence: 4 givenname: Jianhua surname: Chen fullname: Chen, Jianhua – sequence: 5 givenname: Yasan surname: He fullname: He, Yasan – sequence: 6 givenname: Feiming surname: Li fullname: Li, Feiming – sequence: 7 givenname: Wen surname: Weng fullname: Weng, Wen – sequence: 8 givenname: Jiancong surname: Ni fullname: Ni, Jiancong – sequence: 9 givenname: Xiuxiu surname: Bao fullname: Bao, Xiuxiu – sequence: 10 givenname: Yi surname: Lin fullname: Lin, Yi |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/23833763$$D View this record in MEDLINE/PubMed |
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| SubjectTerms | Biosensing Techniques - methods Buffers Carbon - chemistry Chitosan - chemistry Diffusion Dopamine - analysis Dopamine - chemistry Electrochemistry Electrodes Hydrogen-Ion Concentration Limit of Detection Nanocomposites - chemistry Oxidation-Reduction |
| Title | Carbon dots and chitosan composite film based biosensor for the sensitive and selective determination of dopamine |
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