Nanostructured Bismuth Film Electrode for Detection of Progesterone

Zidarič, Tanja; Jovanovski, Vasko; Hočevar, Samo B.

doi:10.3390/s18124233

Cited by 11 publications

(4 citation statements)

References 19 publications

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“…The main reasons were as follows: (1) low electrode cost; (2) high mechanical stability; (3) deposited on various substrates; and (4) used as a new mercury-free electrode material due to the similar physical and chemical properties of bismuth with mercury. Compared with other bismuthbased electrodes and unmodified glassy carbon electrodes, Zidaric et al [29] developed a nanostructured bismuth film electrode (nsBiFE), which showed superior electrical analysis performance, even for the low level of P4 detection. The specific focus is that it can work in media where the pH was close to the real physiological environment.…”

Section: P4 Biosensor Based On Different Functional Materialsmentioning

confidence: 99%

“…Some composite material, such as Au-CuO-Cu 2 O and WO 3 NBs@GR also can be used in electrochemical biosensors based on aptamer [26,27]. AuNPs, nsBiFE, and Thi-GO were found to be the most commonly used functional materials in electrochemical biosensors based on immune [28,29]. In the electrochemical biosensors based on immune, the enzyme was fixed on the electrode to construct a simple electrochemical enzyme nanoreactor, which had high stability and biological activity.…”

Section: Introductionmentioning

confidence: 99%

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Design and Development of Biosensors for Progesterone Detection

Sun

et al. 2023

Journal of Sensors

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Progesterone (P4) is an important biomarker of various diseases. When P4 level exceeds the normal value, the human body produces a series of problems, including carcinogenic risks. Developing the method for P4 monitoring with accurate, inexpensive, and fast becomes an important topic for researchers. In recent years, the abundance of new materials and synthesis technologies has developed P4 biosensors. Based on functional materials, this paper reviews the recent decade literatures and summarizes the latest progress and applications in enhancing detection of P4. In this study, the functional materials used to manufacture P4 biosensors are mainly divided into three categories: metal and metal-oxide nanomaterials, composite material, and other materials. A composite material refers to a combination of two or three types of materials, including carbonaceous nanomaterials, metal nanomaterials, polymers, and biological materials. The other materials mainly include a combination of special compounds, biomaterials, luciferin materials, and quantum dot materials, of which one or two. The introduction of these new functional materials improves the sensitivity and selectivity of P4 detection. Moreover, this study provides ideas for the future research on improving the performance of P4 biosensor. The future study should put more attentions on enzyme catalysis amplification, cyclic amplification, and DNA isothermal amplification strategies.

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Section: P4 Biosensor Based On Different Functional Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design and Development of Biosensors for Progesterone Detection

Sun

et al. 2023

Journal of Sensors

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“…At present there is an unwarranted focus on the mercury-free electrode, as it is more eco-friendly for laboratory experiments. From the recently proposed electrodes used in voltammetry, the bismuth film electrodes (BiFE) were shown to be attractive alternatives to mercury electrodes both in anodic as well as in adsorptive stripping analysis (Królicka et al, 2002;Petovar et al, 2018;Urbanova et al, 2010;Wang et al, 2000;Wang et al, 2001;Zidaric et al, 2018). These electrodes may be prepared both in ex situ and in situ mode, the latter one especially can boast both speed and simplicity of preparation.…”

Section: Introductionmentioning

confidence: 99%

Simple, responsive and cost effective simultaneous quantification of Ga(III) and In(III) in environmental water samples

Grabarczyk¹,

Adamczyk²

2019

Int. Agrophys.

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The simultaneous determination of Ga(III) and In(III) in environmental water samples was described. The procedure was based on adsorptive stripping voltammetry using an in situ plated bismuth film electrode as a working electrode. In order to obtain low detection limits and satisfactory separations of gallium and indium peaks on the voltammogram, cupferron was used as a complexing agent. The optimum composition of the supporting electrolyte was found to be: 0.1 mol l-1 acetate buffer (pH=5.0), 2 × 10-4 mol l-1 cupferron, 2 × 10-4 mol l-1 Bi(III), optimal voltammetric parameters were found to be: accumulation potential-0.9 V, accumulation time 60 s. The linear range of Ga(III) as well as In(III) was observed over a concentration range from 2.5 × 10-8 mol l-1 to 1.5 × 10-6 mol l-1. The method was satisfactorily applied to the simultaneous quantification of gallium and indium in environmental water samples. This facilitated a promising application of the recommended procedure for monitoring the environment, which is necessary to evaluate the soil-plant system. K e y w o r d s: gallium(III), indium(III), trace analysis, environmental water samples

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“…37,38 The electroanalytical determination of P4, is generally performed at very negative potentials in alkaline solution within the pH range from 8 to 12. 36,[39][40][41] In order to improve the electroanalytical z E-mail: fabio.simoes@unifesp.br performance, especially sensitivity, LOD and selectivity, nanomaterials have been used for modification of the electrodes. Among these are carbon-based nanomaterials 34,35,42 and CP 43 as well as their nanocomposites.…”

mentioning

confidence: 99%

Screen-Printed Electrodes Based on Conductive Inks of Polyaniline/Graphene Hybrids and Their Application to Progesterone Detection

Araújo

Cardoso²,

Codognoto³

et al. 2023

ECS Adv.

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Screen-printed electrodes (SPEs) were produced using conductive inks based on hybrids of polyaniline (PAni) and reduced graphene oxide (rGO). Cyclic voltammetry (CV) showed peaks characteristic of the PAni redox behavior in acidic media for all the modified SPEs. Electrochemical impedance spectroscopy (EIS) showed a significant decrease in the charge-transfer resistances, from 930 Ω for SPE/G:PAni to 544 Ω for SPE/G:PAni-rGO1 and to 303 Ω for SPE/G:PAni-rGO2 with just 0.06% and 0.12% in mass of rGO, respectively, in the final mass composition of the conductive inks. The SPEs were evaluated in the determination of progesterone (P4) hormone in neutral medium (phosphate buffer solution, pH 7.0). The CV results showed higher current signals at SPE/G:PAni-rGO1 compared with SPE/G and SPE/G:PAni, indicating a synergistic effect of PAni-rGO1 in the determination of P4. EIS also showed significant changes in the electrochemical double-layer capacitances in the presence of P4. The limits of detection and quantification were, respectively, 211 nmol L−1 and 703 nmol L−1. This method is a simple, scalable and low-cost alternative for the fabrication of electrodes based on PAni-rGO hybrids, with synergic properties, aiming for future applications in sensors.

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Nanostructured Bismuth Film Electrode for Detection of Progesterone

Cited by 11 publications

References 19 publications

Design and Development of Biosensors for Progesterone Detection

Design and Development of Biosensors for Progesterone Detection

Simple, responsive and cost effective simultaneous quantification of Ga(III) and In(III) in environmental water samples

Screen-Printed Electrodes Based on Conductive Inks of Polyaniline/Graphene Hybrids and Their Application to Progesterone Detection

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