Simultaneous Detection of Paracetamol, Ascorbic Acid, and Caffeine Using a Bismuth-silver Nanosensor

被引：9
作者：
van der Horst, Charlton [1 ,2 ]
Silwana, Bongiwe [1 ,2 ]
Gil, Eric [3 ]
Iwuoha, Emmanuel [4 ]
Somerset, Vernon [1 ,2 ]
机构：
[1] Univ Fed Goias, Dep Fac Farm, Praca Univ,Campus Colemar Natal e Silva, BR-74605220 Goiania, Go, Brazil
[2] Cape Peninsula Univ Technol, Fac Appl Sci, Brazilartment Chem, Bellville, South Africa
[3] Univ Fed Goias, Fac Farm, Campus Colemar Natal e Silva,Praca Univ, BR-74605220 Goiania, Go, Brazil
[4] Univ Western Cape, Dept Chem, SensorLab, ZA-7535 Bellville, South Africa
来源：
ELECTROANALYSIS | 2020年 / 32卷 / 12期
关键词：
Paracetamol; Ascorbic Acid; Caffeine; Bismuth-Silver Bimetallic Nanoparticles; Differential Pulse Voltammetry; GLASSY-CARBON ELECTRODE; URIC-ACID; STRIPPING VOLTAMMETRY; RAPID-DETERMINATION; SENSOR PLATFORM; GRAPHENE OXIDE; FILM ELECTRODE; DOPAMINE; ACETAMINOPHEN; NANOTUBES;
D O I：
10.1002/elan.202060389
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The bimetallic nanoparticles of bismuth-silver were used to modify a disk GCE for the simultaneous electrochemical analysis of caffeine (CAF), ascorbic acid (AA), and paracetamol (PAR). The constructed Bi-AgNPs/GCE illustrated strong electrocatalytic activity towards the oxidation of CAF, PAR, and AA. Under the optimum conditions, the sensor provided linearity for PAR, AA, CAF between 2 to 20 mu M, 10 to 70 mu M, and 2 to 40 mu M (n=3), respectively. The detection limits for CAF, PAR, and AA was 2.36 mu M, 0.155 mu M, and 0.697 mu M, respectively. The GCE/Bi-AgNPs sensor presented good sensitivity and selectivity for the simultaneous electrochemical analysis of CAF, PAR, and AA.
引用
收藏
页码：3098 / 3107
页数：10
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