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Electrochemical Determination of Nicotine in Tobacco Products Based on Biosynthesized Gold Nanoparticles
- Source :
- Frontiers in Chemistry, Vol 8 (2020), Frontiers in Chemistry
- Publication Year :
- 2020
- Publisher :
- Frontiers Media S.A., 2020.
-
Abstract
- In this work, gold nanoparticles were biosynthesized via Plectranthus amboinicus leaf extract as the reducing agent. A series of techniques were used for sample analysis. The biosynthesized gold nanoparticles (bAuNPs) are a uniform size with a spherical shape. The FTIR analysis reveals the presence of many oxygen-containing functional groups on the bAuNP surface. The cyclic voltammetry and electrochemical impedance spectroscopic characterizations reveal that while the bAuNPs have a slightly lower conductivity than chemically synthesized AuNPs (cAuNPs). However, the bAuNPs have a superior electrocatalytic performance toward nicotine reduction. After optimization, the bAuNP-modified SPE could detect nicotine linearly from 10 to 2,000 μM with a low detection limit of 2.33 μM. In addition, the bAuNPs/SPE have been successfully used for nicotine-containing-product analysis.
- Subjects :
- Reducing agent
electrochemical sensor
02 engineering and technology
010402 general chemistry
Electrochemistry
01 natural sciences
lcsh:Chemistry
Plectranthus amboinicus
Fourier transform infrared spectroscopy
Original Research
Detection limit
biology
Chemistry
General Chemistry
021001 nanoscience & nanotechnology
biology.organism_classification
0104 chemical sciences
Electrochemical gas sensor
lcsh:QD1-999
Colloidal gold
Cyclic voltammetry
biosynthesis
0210 nano-technology
gold nanoparticle
Nuclear chemistry
nicotine
Subjects
Details
- Language :
- English
- ISSN :
- 22962646
- Volume :
- 8
- Database :
- OpenAIRE
- Journal :
- Frontiers in Chemistry
- Accession number :
- edsair.doi.dedup.....e1c74a89503c68985a7f13b708ec7fe2