Simultaneous determination of dopamine, uric acid and estriol in maternal urine samples based on the synergetic effect of reduced graphene oxide, silver nanowires and silver nanoparticles in their ternary 3D nanocomposite

Zhao, Qian; Faraj, Yousef; Liu, Lu-Yue; Wang, Wei; Xie, Rui; Liu, Zhuang; Ju, Xiao‐Jie; Wei, Jie; Chu, Liang‐Yin

doi:10.1016/j.microc.2020.105185

Cited by 26 publications

(9 citation statements)

References 43 publications

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“…However, its disadvantage was that DA was not detected in the presence of other analytes, and the interference study was not performed. Within this context, Thirumalai et al [ 35 ] and Zhao et al [ 36 ] made the detection of DA simultaneously with another analyte, an advantage over the work mentioned above. In the approach of Thirumalai et al [ 29 ], the preparation of a new voltammetric sensor was developed by modifying SPCE with a newly synthesized block copolymer poly DMAEMA-b-styrene, as a dispersant for rGO.…”

Section: Carbon Nanomaterials-based Spesmentioning

confidence: 99%

“…A disadvantage was the application of less sensitive voltammetric techniques (cyclic voltammetry, CV, linear sweep voltammetry, LSV). The simultaneous determination of dopamine, uric acid, and estriol were carried out by Zhao et al [ 36 ] using SPE modified with rGO and AgNPs, and differential pulse voltammetry (DPV) as a voltammetric technique. The constructed sensor exhibited good selectivity, reproducibility, stability, and excellent performance in determining dopamine, uric acid, and estriol in synthetic urine samples with excellent recovery.…”

Section: Carbon Nanomaterials-based Spesmentioning

confidence: 99%

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Carbon Nanomaterials-Based Screen-Printed Electrodes for Sensing Applications

Silva

Camargo

et al. 2023

Biosensors

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Electrochemical sensors consisting of screen-printed electrodes (SPEs) are recurrent devices in the recent literature for applications in different fields of interest and contribute to the expanding electroanalytical chemistry field. This is due to inherent characteristics that can be better (or only) achieved with the use of SPEs, including miniaturization, cost reduction, lower sample consumption, compatibility with portable equipment, and disposability. SPEs are also quite versatile; they can be manufactured using different formulations of conductive inks and substrates, and are of varied designs. Naturally, the analytical performance of SPEs is directly affected by the quality of the material used for printing and modifying the electrodes. In this sense, the most varied carbon nanomaterials have been explored for the preparation and modification of SPEs, providing devices with an enhanced electrochemical response and greater sensitivity, in addition to functionalized surfaces that can immobilize biological agents for the manufacture of biosensors. Considering the relevance and timeliness of the topic, this review aimed to provide an overview of the current scenario of the use of carbonaceous nanomaterials in the context of making electrochemical SPE sensors, from which different approaches will be presented, exploring materials traditionally investigated in electrochemistry, such as graphene, carbon nanotubes, carbon black, and those more recently investigated for this (carbon quantum dots, graphitic carbon nitride, and biochar). Perspectives on the use and expansion of these devices are also considered.

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Section: Carbon Nanomaterials-based Spesmentioning

confidence: 99%

Section: Carbon Nanomaterials-based Spesmentioning

confidence: 99%

Carbon Nanomaterials-Based Screen-Printed Electrodes for Sensing Applications

Silva

Camargo

et al. 2023

Biosensors

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show abstract

“…The results of some other already reported works [82][83][84][85][86][87][88][89][90][91][92][93][94][95][96][97] are tabulated in Table 1. The tabulated ER sensors yield good LOD with real-time applications in pharmaceutical, biological and environmental samples.…”

Section: Figure 1 Oxidation Of Er At Carbon Incorporated Electrodementioning

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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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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“…In terms of non-enzymatic-based assays, fluorescence spectrometry, liquid chromatography, and electroanalytical techniques are the most common non-enzymatic methods. 7,8 Among these, electrochemical recognition is considered a highly promising method due to its rapid response, high selectivity, low detection limit, and cost-effectiveness. The electrochemical method is considered a promising approach for UA detection.…”

Section: Introductionmentioning

confidence: 99%