Ratiometric electrochemical sensor for bisphenol A detection using glassy carbon electrode modified with poly(toluidine blue)/gold nanoparticle composite

2021 ◽  
Author(s):  
Zhiyuan Sun ◽  
Qin Xiao ◽  
Jingjing Tang ◽  
Qianfen Zhuang ◽  
Yong Wang
Keyword(s):  
Bisphenol A ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Toluidine Blue ◽  
Carbon Electrode ◽  
Oxidation Peak ◽  
Bpa Detection ◽  
Bisphenol A Detection

A ratiometric electrochemical sensor for bisphenol A (BPA) detection is established using glassy carbon electrode modified with poly(toluidine blue)/gold nanoparticle composite (PTB/AuNP/GCE). The ratiometric signal, namely, the oxidation peak current...

A novel electrochemical sensor of 4-nonylphenol based on a poly(ionic liquid) hollow nanosphere/gold nanoparticle composite modified glassy carbon electrode

2015 ◽  
Vol 7 (19) ◽  
pp. 8094-8099 ◽  
Author(s):  
Jie Ren ◽  
Jinfen Gu ◽  
Li Tao ◽  
Mengqi Yao ◽  
Xiaoci Yang ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Hollow Nanosphere ◽  
Poly Ionic Liquid

A well-packed film of AuNP/PIL was formed on the GCE surface.

scholarly journals Physical and Electrochemical Characterization of Modified Graphite Nanoparticles-Phosphotungstic Acid-Nafion on Glassy Carbon Electrode for Bisphenol A Determination

2020 ◽  
Vol 11 (2) ◽  
pp. 9266-9277
Keyword(s):  
Bisphenol A ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Phosphotungstic Acid ◽  
Differential Pulse ◽  
Electrochemical Performances ◽  
Carbon Electrode ◽  
Graphite Nanoparticles ◽  
Bpa Detection

A simple and rapid electrochemical sensor based on modified graphite nanoparticle with phosphotungstic acid and Nafion (GN–PTA–nafion) on glassy carbon electrode (GCE) has been developed for detecting bisphenol A (BPA). The GN was characterized using a scanning electron microscope (SEM) and X-ray diffractometer (XRD), while the modified GCE was characterized using differential pulse voltammetry (DPV) and cyclic voltammetry (CV). Several parameters such as GN concentration, scan rate, equilibrium time, and pH of phosphate buffer were optimized in this study. The GN–PTA–Nafion modified GCE that consists of graphite nanoparticle with a large surface area showed better and faster electron transfer, whereas the phosphotungstic acid (PTA) increased the sensitivity of the electrode for BPA detection. Good electrochemical performances for analyzing BPA, with a detection limit of 0.3995 mol L-1, as well as good reproducibility (RSD 2.51%) were obtained. The modified electrode showed that it had short analysis time, inexpensive and good sensitivity for BPA detection.

Bisphenol a electrochemical sensor based on multi-walled carbon nanotubes/polythiophene/Pt nanocomposites modified electrode

2016 ◽  
Vol 8 (16) ◽  
pp. 3333-3338 ◽  
Author(s):  
Jun Wan ◽  
Yuxiao Si ◽  
Chao Li ◽  
Kun Zhang
Keyword(s):  
Carbon Nanotubes ◽  
Bisphenol A ◽  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

A facile and eco-friendly electrochemical sensor based on a multi-walled carbon nanotubes/polythiophene/Pt nanocomposites-modified glassy carbon electrode for determination of bisphenol A (BPA) was constructed using the MWCNT/PTh/Pt nanocomposites to modify glassy carbon (GC).

A novel electrochemical sensor of bisphenol A based on stacked graphene nanofibers/gold nanoparticles composite modified glassy carbon electrode

2013 ◽  
Vol 98 ◽  
pp. 167-175 ◽  
Author(s):  
Xiuli Niu ◽  
Wu Yang ◽  
Guoying Wang ◽  
Jie Ren ◽  
Hao Guo ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Bisphenol A ◽  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode

Electrochemical Sensor Based on Multi‐walled Carbon Nanotube/Gold Nanoparticle Modified Glassy Carbon Electrode for Detection of Estradiol in Environmental Samples

2019 ◽  
Vol 31 (10) ◽  
pp. 1925-1933 ◽  
Author(s):  
Milua Masikini ◽  
Mariana Emilia Ghica ◽  
Priscilla G. L. Baker ◽  
Emmanuel I. Iwuoha ◽  
Christopher M. A. Brett
Keyword(s):  
Carbon Nanotube ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Environmental Samples ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Multi Walled Carbon Nanotube

Sensitive Detection of Levocetirizine as a new Generation Antihistamine by Stripping Square Wave Voltammetry

2020 ◽  
Vol 16 (4) ◽  
pp. 424-437
Author(s):  
Kubra Ozturk ◽  
Nurgul K. Bakirhan ◽  
Sibel A. Ozkan ◽  
Bengi Uslu
Keyword(s):  
Electrochemical Sensor ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Differential Pulse ◽  
Real Sample ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Square Wave ◽  
Real Sample Analysis ◽  
Tablet Dosage

Background:: new and selective electrochemical sensor was developed for the determination of levocetirizine dihydrochloride, which is an antihistaminic drug. Method:: The investigation was performed by using cyclic, differential pulse and square wave voltammetric methods on the β-cyclodextrin modified glassy carbon electrode. It is thereby planned to obtain information about levocetirizine determination and its mechanism. Result:: The efficiency of experimental parameters including pH, scan rate, and accumulation potential and time on the anodic response of levocetirizine dihydrochloride was studied. By employing the developed method and under optimized conditions, the current showed linear dependence with a concentration in the range between 2 × 10-8 M and 6 × 10-6 M in pH 2.0 Britton Robinson (BR) buffer. Conclusion:: The achieved limits of detection and quantification were found as 3.73 × 10-10 M and 1.24 × 10-9 M, respectively. In addition, the possibility of applying the developed sensor for real sample analysis was investigated, so β-cyclodextrin modified glassy carbon electrode was used to determine levocetirizine dihydrochloride in Xyzal® tablet dosage form. Finally, this sensor was successfully applied to the real sample as a selective, simple, reproducible, repeatable electrochemical sensor.

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