Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

Soares, Priscila Izabela; Lima, Thaís Machado; Nascimento, Luiza do; Coelho, Rafael Mendes; Franco, Diego Leoni; Pereira, Arnaldo César; Ferreira, Lucas Franco

doi:10.1002/elan.202200302

Cited by 3 publications

(2 citation statements)

References 63 publications

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“…The acidic medium produced an excellent polymer film that served in the simultaneous detection of metals. Excellent linear range, repeatability, reproducibility and recovery were observed, with LOD limits calculated at 3.01 μg/L and 4.50 μg/L for the two metals Pb and Cu, respectively [56].…”

Section: Simultaneous Determination Of Pb and Cumentioning

confidence: 79%

Novel Aspects in the Voltametric Determination of Heavy Metals: A Minireview

Chatziathanasiou,

Girousi

2024

Preprint

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Heavy metals represent a class of chemical elements that includes metalloids, bases and transition metals, lanthanides and actinides. They are distinguished for their toxicity in small concentrations and for their negative effects on the environment and human health. They are present in various samples, mainly in water, industrial waste and food. The determination of heavy metals is carried out mainly by analytical methods, using spectroscopy, spectrometry and electroanalysis, while studies are being carried out for the development of new and faster methodologies and techniques for their analysis, with particular emphasis on voltammetry. This review deals with the determination of heavy metals mainly in environmental samples (water) using voltammetry. In particular, the methods of their determination are evaluated in terms of sensitivity, selectivity and applicability.

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Section: Simultaneous Determination Of Pb and Cumentioning

confidence: 79%

Novel Aspects in the Voltametric Determination of Heavy Metals: A Minireview

Chatziathanasiou,

Girousi

2024

Preprint

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“…The potentiodynamic electropolymerization of ferulic acid (FA) and the immobilization of glucose oxidase onto a carbon paste electrode have been carried out in a single step to create a glucose biosensor [13]. Several electrochemical sensors based on electropolymerized caffeic acid have been described for the simultaneous voltammetric determination of ascorbic acid, epinephrine, and uric acid [14]; ascorbic acid and dopamine [15]; copper and lead [16]; as well as the individual quantification of L-3,4-dihydroxyphenylalanine (L-DOPA) [17], metanephrine [18], reduced nicotinamide adenine dinucleotide (NADH) [19], acetaminophen [20], and chloramphenicol [21]. Poly(p-coumaric acid)-modified graphite electrodes allow for the simultaneous determination of cadmium and lead [22].…”

Section: Introductionmentioning

confidence: 99%

Layer-by-Layer Combination of MWCNTs and Poly(ferulic acid) as Electrochemical Platform for Hesperidin Quantification

et al. 2023

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The electrochemical polymerization of suitable monomers is a powerful way to create voltammetric sensors with improved responses to a target analyte. Nonconductive polymers based on phenolic acids were successfully combined with carbon nanomaterials to obtain sufficient conductivity and high surface area of the electrode. Glassy carbon electrodes (GCE) modified with multi-walled carbon nanotubes (MWCNTs) and electropolymerized ferulic acid (FA) were developed for the sensitive quantification of hesperidin. The optimized conditions of FA electropolymerization in basic medium (15 cycles from −0.2 to 1.0 V at 100 mV s−1 in 250 µmol L−1 monomer solution in 0.1 mol L−1 NaOH) were found using the voltammetric response of hesperidin. The polymer-modified electrode exhibited a high electroactive surface area (1.14 ± 0.05 cm2 vs. 0.75 ± 0.03 and 0.089 ± 0.003 cm2 for MWCNTs/GCE and bare GCE, respectively) and decreased in the charge transfer resistance (21.4 ± 0.9 kΩ vs. 72 ± 3 kΩ for bare GCE). Under optimized conditions, hesperidin linear dynamic ranges of 0.025–1.0 and 1.0–10 µmol L−1 with a detection limit of 7.0 nmol L−1 were achieved, which were the best ones among those reported to date. The developed electrode was tested on orange juice and compared with chromatography.

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Analytical Applications of Voltammetry in the Determination of Heavy Metals in Soils, Plant Tissues, and Water—Prospects and Limitations in the Co-Identification of Metal Cations in Environmental Samples

Chatziathanasiou,

Liava,

Golia

et al. 2024

Analytica

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Heavy metals represent a class of chemical elements that includes metalloids, bases and transition metals, lanthanides, and actinides. They are distinguished for their toxicity in small concentrations and their negative effects on the environment and human health; consequently, their monitoring has to be improved to manage the risks. The determination of heavy metals is carried out mainly by analytical methods, using spectroscopy, spectrometry, and electroanalysis. However, the interest has shifted to new and faster methodologies and techniques for heavy metal analysis, with particular emphasis on voltammetry. Voltammetry is preferred for heavy metal detection owing to the advantages of low cost, simplicity, ease of operation, fast analysis, portability, the ability to monitor environmental samples in the field, and high sensitivity and selectivity. Therefore, this study summarizes the applications of voltammetry in heavy metal determination mainly in water, soil, and plant samples, and presents an evaluation of sensitivity, selectivity, and applicability.

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Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

Cited by 3 publications

References 63 publications

Novel Aspects in the Voltametric Determination of Heavy Metals: A Minireview

Novel Aspects in the Voltametric Determination of Heavy Metals: A Minireview

Layer-by-Layer Combination of MWCNTs and Poly(ferulic acid) as Electrochemical Platform for Hesperidin Quantification

Analytical Applications of Voltammetry in the Determination of Heavy Metals in Soils, Plant Tissues, and Water—Prospects and Limitations in the Co-Identification of Metal Cations in Environmental Samples

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