Development of an electrochemical sensor for the determination of glycerol based on glassy carbon electrodes modified with a copper oxide nanoparticles/multiwalled carbon nanotubes/pectin composite

Arévalo, Fernando Javier; Osuna-Sánchez, Yolanda; Sandoval-Cortés, José; Tocco, Aylén Di; Granero, Adrián Marcelo; Robledo, Sebastián Noel; Zón, Marı́a Alicia; Vettorazzi, N.; Martínez, José Luis; Segura, Elda P.; Iliná, Anna; Fernández, Héctor

doi:10.1016/j.snb.2017.01.093

Cited by 43 publications

(25 citation statements)

References 55 publications

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“…Thus, HTC has been considered to be a highly feasible carbonization method to produce effective biochar for contaminant adsorption in water purification or soil remediation, renewable energy, and catalysis, as well as functional materials for electrochemical heavy metal sensing . Different sensor materials have been synthesized using hydrothermal reaction from graphene, carbon nanotubes, and metal oxides ( Table ). Biochar nano/microsphere could be formed via the following process: taking biomass precursor like cellulose and semi‐cellulose as an example, the raw material will be firstly hydrolyzed into polysaccharides, mono‐saccharides, and then soluble organic compounds.…”

Section: Synthesis Methods Of Novel Electrode Materials For Electrochmentioning

confidence: 99%

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

Hou

Zeinu

Gao

et al. 2018

Energy & Environ Materials

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The increase in release of toxic heavy metals into natural water attracts much attention due to its devastating effect on ecology and human health. The design and implementation of green electrode materials is pivotal for improving the electrochemical performance of in situ heavy metal monitoring. This work reviews various novel electrode materials and hybrid materials that improve electrochemical detection. Modified green and novel electrode materials offer better performance due to their improved deposition with wide linear and enhanced response under optimized sensing parameters. In particular, recent works related to gold, carbon materials, bismuth, and metal oxide‐based electrodes are reviewed. The environmentally friendly (“green”) characteristics, as well as their versatility and flexibility, are especially emphasized. In addition, synthesis methods and novel designs of electrode integration are highlighted. Most of the substantial achievements as well as breakthroughs in recent years are surveyed, and the challenges and prospective in this field are also identified.

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Section: Synthesis Methods Of Novel Electrode Materials For Electrochmentioning

confidence: 99%

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

Hou

Zeinu

Gao

et al. 2018

Energy & Environ Materials

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“…The number of required enzymes was reduced to only two: the lipase and glycerol dehydrogenase (for the specific electrochemical detection of the glycerol produced in the first reaction) [ 64 ]. Based on the development of a glassy carbon electrodes modified with copper oxide nanoparticles supported on a multiwalled carbon nanotubes/pectin composite that is suitable for the electrochemical oxidation of glycerol [ 65 ], it was possible to reduce the number of enzymes necessary for the triglyceride detection to only lipase since there are no supplementary redox enzymes require for the electrochemical reaction [ 66 ]. Another example of a highly complex trienzymatic system for insecticides determination was reported based on acetylcholinesterase inhibition using on a combination of: acetylcholinesterase (that hydrolyses the acetylcholine to choline), choline oxidase (that oxidizes choline producing of H 2 O 2 ) and horseradish peroxidase (for electrochemical detection of H 2 O 2 ) [ 67 ].…”

Section: The Innovative Use Of Enzyme Kinetic Particularities To Improve the Selectivitymentioning

confidence: 99%

Addressing the Selectivity of Enzyme Biosensors: Solutions and Perspectives

Bucur

Purcarea²,

Andreescu

et al. 2021

Sensors

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Enzymatic biosensors enjoy commercial success and are the subject of continued research efforts to widen their range of practical application. For these biosensors to reach their full potential, their selectivity challenges need to be addressed by comprehensive, solid approaches. This review discusses the status of enzymatic biosensors in achieving accurate and selective measurements via direct biocatalytic and inhibition-based detection, with a focus on electrochemical enzyme biosensors. Examples of practical solutions for tackling the activity and selectivity problems and preventing interferences from co-existing electroactive compounds in the samples are provided such as the use of permselective membranes, sentinel sensors and coupled multi-enzyme systems. The effect of activators, inhibitors or enzymatic substrates are also addressed by coupled enzymatic reactions and multi-sensor arrays combined with data interpretation via chemometrics. In addition to these more traditional approaches, the review discusses some ingenious recent approaches, detailing also on possible solutions involving the use of nanomaterials to ensuring the biosensors’ selectivity. Overall, the examples presented illustrate the various tools available when developing enzyme biosensors for new applications and stress the necessity to more comprehensively investigate their selectivity and validate the biosensors versus standard analytical methods.

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“…The wide active area and low R tc observed for MWCNT, and related (nano)composites, have been providing important advances on the single and simultaneous electroanalytical quantification of metallic cations (Cd 2+ [56], Pb 2+ [56], Mn 2+ [57], and Na + [58]) and anions (SO [57], drinking water [56], and groundwater [58,59]). Trace concentrations of persistent organic pollutants (sunset yellow [61], tartrazine [62], and luteolin [62] dyes), as far as gases (chlorine [63], carbon dioxide [64], and methanol vapor [65]) and industrial by-products (glycerol [66], bisphenol A [67], hydrazine [68], and hydrogen peroxide [69]) are now being monitored with MWCNT-based sensors in a quick, reproducible, reliable, and cost-effective way when compared to the traditional analytical protocols, including those based on electrochemical devices from previous generations.…”

Section: Overview Of Mwcnt Applications In Electrochemical Sensorsmentioning

confidence: 99%

“…CuO-NP/MWCNT/GCE electrodeposition of CuO-NP on MWCNT/GCE glycerol amperometry/5.8 × 10 −6 g dm −3 biodiesel samples n.r. [66] Au-NP/Grf-Red@MWCNT/GCE electrodeposition of Au-NP on Grf-Red@MWCNT/GCE bisphenol A DPV/1.0 × 10 −9 mol L −1 river water and shopping receipt samples 98% after 30 days [67] Pd-NP/Grf-Red@MWCNT/GCE electrodeposition of Pd-NP on Grf-Red@MWCNT/GCE hydrazine amperometry/0.15 µmol L −1 tap water spiked with hydrazine n.r. [68] Prussian blue/CTS@MWCNT /GCE electrodeposition of Prussian blue complex on GCE Modified with CTS@MWCNT nanocomposite hydrogen peroxide amperometry/0.10 µmol L −1 routine analysis in pure electrolyte 90.5-92.6% after two weeks [69] Au-NP: gold nanoparticles; Ag-NP: silver nanoparticles; Cu-MP: copper microparticles; CuO-NP: copper oxide nanoparticles; Pd-NP: palladium nanoparticles; CTS: chitosan; Co-Pht: cobalt phthalocyanine; IL: ionic liquid; HPU: hydrothane polyurethane; β-CD: β-cyclodextrin; BiF: bismuth film; MIP: molecular imprinted polymer; MWCNT: multi-walled carbon nanotubes; f -MWCNT: functionalized multi-walled carbon nanotubes; 3D-Grf: three-dimensional graphene; Grf-Ox: graphene oxide; Grf-Red: reduced graphene; HIV-p24: retrovirus of the AIDS; GCE: glassy carbon electrode; SPE: screen-printed electrode; CPE: carbon paste electrode; FTO: fluorine doped thin oxide electrode; LSV: linear sweep voltammetry; CV: cyclic voltammetry; DPV: differential pulse voltammetry; SWV: square-wave voltammetry; ASV: adsorptive stripping voltammetry; SWAdSV: square-wave adsorptive stripping voltammetry; n.r.…”

Section: Dyesmentioning

confidence: 99%

New Generation of Electrochemical Sensors Based on Multi-Walled Carbon Nanotubes

2018

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Multi-walled carbon nanotubes (MWCNT) have provided unprecedented advances in the design of electrochemical sensors. They are composed by sp2 carbon units oriented as multiple concentric tubes of rolled-up graphene, and present remarkable active surface area, chemical inertness, high strength, and low charge-transfer resistance in both aqueous and non-aqueous solutions. MWCNT are very versatile and have been boosting the development of a new generation of electrochemical sensors with application in medicine, pharmacology, food industry, forensic chemistry, and environmental fields. This work highlights the most important synthesis methods and relevant electrochemical properties of MWCNT for the construction of electrochemical sensors, and the numerous configurations and successful applications of these devices. Thousands of studies have been attesting to the exceptional electroanalytical performance of these devices, but there are still questions in MWCNT electrochemistry that deserve more investigation, aiming to provide new outlooks and advances in this field. Additionally, MWCNT-based sensors should be further explored for real industrial applications including for on-line quality control.

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Development of an electrochemical sensor for the determination of glycerol based on glassy carbon electrodes modified with a copper oxide nanoparticles/multiwalled carbon nanotubes/pectin composite

Cited by 43 publications

References 55 publications

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

Addressing the Selectivity of Enzyme Biosensors: Solutions and Perspectives

New Generation of Electrochemical Sensors Based on Multi-Walled Carbon Nanotubes

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