Individual and simultaneous voltammetric sensing of norepinephrine and tyramine based on poly(L-arginine)/reduced graphene oxide composite film modified glassy carbon electrode

Anand, Sanu K.; Mathew, Manna Rachel; Radecki, Jerzy; Radecka, Hanna; Kumar, Krishnapillai Girish

doi:10.1016/j.jelechem.2020.114531

Cited by 44 publications

(11 citation statements)

References 35 publications

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“…Anand et al reported an electrochemical sensor employing a GCE modified with reduced-graphene-oxide/poly( l -arginine) (rGO/p( l -Arg)) for detecting NE and tyramine (TYM) at the same time. 67 The solution containing 1.00 × 10 −5 M NE and TYM was prepared in PBS (pH 7). The detection of NE and TYM was performed by SWV by changing the potential from 0 to 1 V with a scan rate of 0.1 V s −1 .…”

Section: Biopolymer-based Electrochemical Methods For the Sensing Of ...mentioning

confidence: 99%

Biopolymer supported electroanalytical methods for the determination of biomolecules and food additives – a comprehensive perspective

Rajamani,

C.,

P. J.

et al. 2023

Anal. Methods

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Section: Biopolymer-based Electrochemical Methods For the Sensing Of ...mentioning

confidence: 99%

Biopolymer supported electroanalytical methods for the determination of biomolecules and food additives – a comprehensive perspective

Rajamani,

C.,

P. J.

et al. 2023

Anal. Methods

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“…The number of electrons involved in the electrooxidation of both ST and Tryp have been calculated using Laviron formulation and Bard and Faulkner equation. 26,33 The number of electrons that took part in the electrooxidation of ST and Tryp using pGlu-AgNPs/GCE were calculated to be 2 and 1.…”

Section: Effect Of Number Of Cycles Of Electrodeposition Of Pglu-agnps-mentioning

confidence: 99%

Simultaneous Determination of Serotonin and Tryptamine Using Polyglutamic Acid-Silver Nanoparticles Composite Film Modified Glassy Carbon Electrode

Swathy,

Kumar

2023

J. Electrochem. Soc.

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Serotonin (ST), chemically 5-hydroxy tryptamine, is a neurotransmitter which mediates a series of central and peripheral functions in the human body and has a crucial role in gastrointestinal and psychiatric disorders. Tryptamine (Tryp) is also a neurotransmitter, mainly found in protein-rich foods, beverages and other fermented foods. The accumulation of higher concentrations of Tryp is harmful to human health. So, it is important to determine both ST and Tryp in our body. A polyglutamic acid (pGlu)-Silver Nanoparticles (AgNPs) composite film modified Glassy Carbon Electrode (pGlu-AgNPs/GCE) has been developed for the simultaneous determination of ST and Tryp. The incorporation of AgNPs with pGlu makes the sensor more efficient and reliable for the voltammetric sensing of ST and Tryp. Experimental parameters were optimised and, the sensor showed a linear concentration range for the determination of ST and Tryp from 1.00 × 10–5 M to 7.00 × 10–7 M and 1.00 × 10–5 M to 9.00 × 10–7 M, respectively. The electrooxidation of ST at pGlu-AgNPs/GCE was found to be diffusion controlled, whereas adsorption controlled electrooxidation was found for Tryp. The applicability of the sensor in determining ST and Tryp has been checked in artificial physiological fluids.

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“…28 Notably, there are extensive research works on the simultaneous detection of NE or MT and different compounds, such as tyrosine, uric acid, and ascorbic acid, as well as acetaminophen. [44][45][46][47][48] On the other hand, bioaffinity sensors involving antibodies or aptamers have been fabricated to measure the concentrations of DA, 5-HT, T3, and T4 in human serum solutions. 22,29,30,[49][50][51] The integration of such biorecognition elements on an electrode could further improve the selectivity and sensitivity, thus ensuring nanomolar and even picomolar detection (some recent examples are highlighted in Table 1).…”

Section: Voltammetric Sensors For Amino Acid-derived Hormonesmentioning

confidence: 99%

Recent research trends in voltammetric sensing platforms for hormones and their applications to human serum analyses

Jhung

et al. 2022

ANAL. SCI.

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Hormones are essential chemical messengers that modulate body homeostasis and regulate appetite, mood, reproduction, and metabolism in the human body. Its dysregulation in the body can cause diabetes, Alzheimer's disease, and autism. The detection of hormone levels in biological fluids, including serum samples, could facilitate the precaution, diagnosis, and cure of diseases. Voltammetric sensing devices exhibiting significant sensitivity, selectivity, as well as facile, cost-effective fabrication, is a promising method for detecting hormone levels. Thus, this review briefly highlights recent advances toward developing voltammetric sensors for a wide spectrum of amino acid-derived, peptide, and lipid-derived hormones alongside their applications to the analyses of human serum samples. Further, several challenging issues and the prospects of voltammetric hormone sensing devices in clinical diagnostic applications are discussed.

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Individual and simultaneous voltammetric sensing of norepinephrine and tyramine based on poly(L-arginine)/reduced graphene oxide composite film modified glassy carbon electrode

Cited by 44 publications

References 35 publications

Biopolymer supported electroanalytical methods for the determination of biomolecules and food additives – a comprehensive perspective

Biopolymer supported electroanalytical methods for the determination of biomolecules and food additives – a comprehensive perspective

Simultaneous Determination of Serotonin and Tryptamine Using Polyglutamic Acid-Silver Nanoparticles Composite Film Modified Glassy Carbon Electrode

Recent research trends in voltammetric sensing platforms for hormones and their applications to human serum analyses

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