Optimized Voltammetric Experiment for the Determination of Phloroglucinol at Surfactant Modified Carbon Nanotube Paste Electrode

Tigari, Girish; Manjunatha, Jamballi G.

doi:10.1134/s0020441220050139

Cited by 77 publications

(10 citation statements)

References 24 publications

(21 reference statements)

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“…In addition, electroanalytical methods hold merits like rapid response time, easy operation, sensitivity, precision, accuracy, etc. [13][14][15][16][17]. As hormones have a significant role in human biochemistry and metabolism, assessing hormones is becoming a trending research.…”

Section: A D V a N C E D O N L I N E A R T I C L Ementioning

confidence: 99%

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Research developments in carbon materials based sensors for determination of hormones

Manjunatha

Tigari

Hareesha

et al. 2021

J. Electrochem. Sci. Eng.

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Various carbon-based sensors (graphene, carbon nanotubes, graphite, pencil graphite, glassy carbon, etc.) have distinctive behavior and a broad range of importance for identifying sex hormones like estriol, estradiol, estrone, progesterone, and testosterone. The current review emphasizes voltammetric, amperometric, and electrochemical impedance spectroscopic methods for detecting some of these hormones. The existence, structural aspects, nature, and biological importance of each hormone were analyzed in detail and their analysis with different electroanalytical methods was considered. Unique methodologies and innovations of electrochemical sensors for hormones based on carbon materials modified by different agents were examined. In this review, the interaction among various sensor materials and analytes in different supporting electrolyte media is premeditated. The most important significances of the electroanalytical methodologies were discussed based on sensor selectivity, sensitivity, stability, the limit of detection, repeatability, and reproducibility.

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Section: A D V a N C E D O N L I N E A R T I C L Ementioning

confidence: 99%

“…As hormones have a significant role in human biochemistry and metabolism, assessing hormones is becoming a trending research. Rapid monitoring of hormone levels is essential as they lead to major health issues [18,19]. So, the estimation of hormones became the focus of a broad scientific investigation.…”

Section: A D V a N C E D O N L I N E A R T I C L Ementioning

confidence: 99%

Research developments in carbon materials based sensors for determination of hormones

Manjunatha

Tigari

Hareesha

et al. 2021

J. Electrochem. Sci. Eng.

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“…MWCNTs is the widely used allotropy of carbon material for different applications including sensors, supercapacitors, drug delivery platforms, electronic chips, fuel cells, energy storage devices, additives in polymers, flat panel display, charge-discharge tubes, etc. [21][22][23][24]. To further improve their usefulness, MWCNTs are frequently modified.…”

Section: A D V a N C E D O N L I N E A R T I C L Ementioning

confidence: 99%

Poly (DL-valine) electro-polymerized carbon nanotube paste sensor for determination of antihistamine drug cetirizine

Tigari

Manjunatha

Pushpanjali

et al. 2020

J. Electrochem. Sci. Eng.

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Poly (DL-valine) modified multiwalled carbon nanotube paste sensor (PVLMCNTPS) was prepared by electro-polymerization route. PVLMCNTPS and bare multiwalled carbon nanotube paste sensor (BMCNTPS) morphologies and sensing properties for cetirizine (CTZ) were confirmed through a field emission scanning electron microscope (FE-SEM) and electrochemical studies, respectively. In contrast to BMCNTPS, PVLMCNTPS surface composite creates an electrocatalytic impact on the oxidation of CTZ. PVLMCNTPS properties were optimized using parameters such as accumulation time, number of polymerization cycles, solution pH, and scan rate. The optimized PVLMCNTPS was applied for the determination of cetirizine in 0.1 M phosphate buffer solution (PBS) of pH 7.0, using cyclic voltammetry (CV). It is shown that PVLMCNTPS provided analytical linearity from 2.0 to 80 µM, with a detection limit of 0.11 µM for CTZ determination. PVLMCNTPS is found highly selective for CTZ in presence of some interfering organic molecules. The stable and selective PVLMCNTPS was applied for CTZ determination in pharmaceutical pills with satisfactory results.

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“…Electrochemical detection (ECD) technique has been considered as an effective method for detection of various compounds in solution due to its sensitive, fast, and cost-effective properties. − However, for the determination of quercetin, some disadvantages must be taken into consideration in ECD technology. One of those is the limitation in sensitivity.…”

Section: Introductionmentioning

confidence: 99%

MXene Nanosheets Decorated with Pt Nanostructures for the Selective Electrochemical Detection of Quercetin

Gao

Hong

et al. 2023

ACS Appl. Nano Mater.

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Electrochemical detection (ECD) technique has been deemed to be an effective method for detection. However, low sensitivity and poor anti-interference ability restrict its widespread use in quercetin detection. Herein, a coral reef-like Pt-decorated MXene composite is developed to construct a sensitive Pt-MXene/GCE electrode to achieve accurate detection for quercetin. The multilayer structure of MXene in the complex provides sufficient active sites for the electrochemical reaction and promotes electron transfer, leading to reduction in electrochemical impedance. The electrochemical behavior of quercetin on the Pt-MXene/GCE electrode reveals that the electrochemical redox process involves the participation of the two-electron/doubleproton reaction process. As expected, the Pt-MXene/GCE electrode exhibits excellent stability, repeatability, reproducibility, and selectivity and shows accurate detection ability in actual application. In addition, the Pt-MXene/GCE electrode possesses a low limit of detection and high sensitivity, which is superior than most of the previous reports. This work provides a promising strategy for selective ECD of quercetin, which would give guidance for the fabrication of a highly selective sensor with outstanding sensitivity.

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Optimized Voltammetric Experiment for the Determination of Phloroglucinol at Surfactant Modified Carbon Nanotube Paste Electrode

Cited by 77 publications

References 24 publications

Research developments in carbon materials based sensors for determination of hormones

Research developments in carbon materials based sensors for determination of hormones

Poly (DL-valine) electro-polymerized carbon nanotube paste sensor for determination of antihistamine drug cetirizine

MXene Nanosheets Decorated with Pt Nanostructures for the Selective Electrochemical Detection of Quercetin

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