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Themed collection Future Electroanalytical Developments

46 items
Editorial

Editorial – Future Electroanalytical Developments

Professor Robert Forster and Dr Blánaid White of Dublin City University present an overview of the Eirelec '11 conference, which inspired the idea for the Future Electroanalytical Developments web-based themed issue in Analyst and Analytical Methods.

Graphical abstract: Editorial – Future Electroanalytical Developments
From the themed collection: Future Electroanalytical Developments
Minireview

Electrochemical methods – important means for fabrication of fluorescent nanoparticles

The achievements on electrochemical fabrications of fluorescent nanoparticles are reviewed.

Graphical abstract: Electrochemical methods – important means for fabrication of fluorescent nanoparticles
From the themed collection: Future Electroanalytical Developments
Minireview

Graphene and graphene-based nanomaterials: the promising materials for bright future of electroanalytical chemistry

This review covers the production, functionalization and application of graphene – the promising material for the bright future of electroanalytical chemistry.

Graphical abstract: Graphene and graphene-based nanomaterials: the promising materials for bright future of electroanalytical chemistry
From the themed collection: Future Electroanalytical Developments
Minireview

Motion-driven sensing and biosensing using electrochemically propelled nanomotors

Isolation of biomaterials based on receptor-functionalized microengines.

Graphical abstract: Motion-driven sensing and biosensing using electrochemically propelled nanomotors
From the themed collection: Future Electroanalytical Developments
Critical Review

Novel nanobiotechnological concepts in electrochemical biosensors for the analysis of toxins

The incorporation of novel nanobiotechnological concepts such as aptamers, nanoparticles, nanotubes and magnetic beads, in sensing and transducing strategies is providing with high-performance electrochemical biosensors for toxin detection.

Graphical abstract: Novel nanobiotechnological concepts in electrochemical biosensors for the analysis of toxins
From the themed collection: 2012's Top 25 most read Analyst articles
Critical Review

Capacitively coupled contactless conductivity detection on microfluidic systems—ten years of development

This review covers the main features related to the instrumental setup of capacitively coupled contactless conductivity detection for analytical and bioanalytical assays on microfluidic chips.

Graphical abstract: Capacitively coupled contactless conductivity detection on microfluidic systems—ten years of development
Critical Review

Recent advances in electrochemical sensing for hydrogen peroxide: a review

Due to the significance of hydrogen peroxide in biological systems and practical applications, the development of efficient electrochemical H2O2 sensors holds a special attraction for researchers. The aim of this review is to summarize the recent advances since 2000 and gain an insight into the materials used in the electrocatalytic sensing of H2O2.

Graphical abstract: Recent advances in electrochemical sensing for hydrogen peroxide: a review
From the themed collection: 2012's Top 25 most read Analyst articles
Communication

On the stability of the silver/silver sulfate reference electrode

The preparation and application of a simple silver/silver sulfate reference electrode for aqueous solution, which can be used as an alternative in chloride-free systems, is presented.

Graphical abstract: On the stability of the silver/silver sulfate reference electrode
From the themed collection: Future Electroanalytical Developments
Communication

Anatase TiO2 nanoparticle–graphene nanocomposites: One-step preparation and their enhanced direct electrochemistry of hemoglobin

Anatase TiO2 nanoparticle–graphene nanocomposites with enhanced direct electrochemistry of hemoglobin and biosensing for H2O2 were synthesized via a facile, one-step approach in aqueous solution at room temperature.

Graphical abstract: Anatase TiO2 nanoparticle–graphene nanocomposites: One-step preparation and their enhanced direct electrochemistry of hemoglobin
Communication

A label-free cytosensor for the enhanced electrochemical detection of cancer cells using polydopamine-coated carbon nanotubes

An electrochemical, label-free method was developed to detect folate receptor positive tumor cells with polydopamine-coated carbon nanotubes–folate nanoprobes.

Graphical abstract: A label-free cytosensor for the enhanced electrochemical detection of cancer cells using polydopamine-coated carbon nanotubes
From the themed collection: Future Electroanalytical Developments
Communication

Sensitive and selective voltammetric measurement of Hg2+ by rational covalent functionalization of graphene oxide with cysteamine

A voltammetric method for sensitive and selective Hg2+ determination is demonstrated by rational functionalization of graphene oxide with cysteamine.

Graphical abstract: Sensitive and selective voltammetric measurement of Hg2+ by rational covalent functionalization of graphene oxide with cysteamine
From the themed collection: Future Electroanalytical Developments
Communication

Alkaline phosphatase enzymatic signal amplification for fast, sensitive impedimetric DNA detection

This work presents a method for and a model which explains enhanced DNA detection using an alkaline phosphatase amplification reaction and electrochemical impedance spectroscopy.

Graphical abstract: Alkaline phosphatase enzymatic signal amplification for fast, sensitive impedimetric DNA detection
From the themed collection: Future Electroanalytical Developments
Paper

Electrochemical behavior and analytical detection of insulin on pretreated nanocarbon black electrode surface

Pretreated AB/CPE exhibits high accumulation efficiency owing to the presence of nanocarbon particles and anodic pretreatment and the detection limit of insulin was found to be 5.0 × 10−9 M by statistical calculation.

Graphical abstract: Electrochemical behavior and analytical detection of insulin on pretreated nanocarbon black electrode surface
From the themed collection: Future Electroanalytical Developments
Paper

The ohmic resistance effect for characterisation of carbon nanotube paste electrodes (CNTPEs)

In this study, carbon nanotube paste electrodes (CNTPEs) have been characterised using their ohmic resistance, RCNTPE, when examining a set of six different electrodes prepared from three types of CNTs and two altered pasting liquids (binders); the latter represented by traditional mineral or silicone oils.

Graphical abstract: The ohmic resistance effect for characterisation of carbon nanotube paste electrodes (CNTPEs)
From the themed collection: Future Electroanalytical Developments
Paper

Monitoring passive transport of redox mediators across a confluent cell monolayer with single-cell resolution by means of scanning electrochemical microscopy

Scanning electrochemical microscopy was used for time-resolved studies of passive transport of substances across cell monolayers. Different transport mechanisms could be distinguished using hydrophilic and lipophilic redox mediators and switching the probe potential.

Graphical abstract: Monitoring passive transport of redox mediators across a confluent cell monolayer with single-cell resolution by means of scanning electrochemical microscopy
From the themed collection: Future Electroanalytical Developments
Paper

A novel electrochemical sensor based on boronic acid-functionalized multi-walled carbon nanotubes for astragaloside IV determination using ARS as the current indicator

A novel electrochemical sensor based on boronic acid functionalized multi-walled carbon nanotubes was successfully employed to detect astragaloside IV using ARS as the current indicator.

Graphical abstract: A novel electrochemical sensor based on boronic acid-functionalized multi-walled carbon nanotubes for astragaloside IV determination using ARS as the current indicator
From the themed collection: Future Electroanalytical Developments
Paper

Monitoring of bovine serum albumin using ultrasensitive electrochemiluminescence biosensors based on multilayer CdTe quantum dots modified indium tin oxide electrodes

In a new FI-ECL flow chip, a simple and sensitive sensor reveals good performance for ECL analysis, and opens new avenues for the applications of QDs in ECL biosensors.

Graphical abstract: Monitoring of bovine serum albumin using ultrasensitive electrochemiluminescence biosensors based on multilayer CdTe quantum dots modified indium tin oxide electrodes
From the themed collection: Future Electroanalytical Developments
Paper

Development of an electrochemical immunosensor for the detection of HbA1c in serum

An electrochemical immuno-biosensor for detecting glycosylated haemoglobin is reported based on glassy carbon electrodes with a mixed layer of an oligo(phenylethynylene) molecular wire and an oligo(ethylene glycol).

Graphical abstract: Development of an electrochemical immunosensor for the detection of HbA1c in serum
From the themed collection: Future Electroanalytical Developments
Paper

CVD graphene vs. highly ordered pyrolytic graphite for use in electroanalytical sensing

The electroanalytical performance of a commercially available CVD grown graphene electrode is explored and contrasted to that of highly ordered pyrolytic graphite electrodes.

Graphical abstract: CVD graphene vs. highly ordered pyrolytic graphite for use in electroanalytical sensing
From the themed collection: Future Electroanalytical Developments
Paper

Non-enzymatic electrochemical detection of glycerol on boron-doped diamond electrode

A non-enzymatic direct electrochemical glycerol detection method at a boron-doped diamond electrode in alkaline media is reported.

Graphical abstract: Non-enzymatic electrochemical detection of glycerol on boron-doped diamond electrode
From the themed collection: Future Electroanalytical Developments
Paper

Towards a detailed in situ characterization of non-stationary electrocatalytic systems

A combination of electrogravimetry and electrochemical impedance spectroscopy is introduced as a tool for a detailed characterisation of dynamic electrocatalytic systems.

Graphical abstract: Towards a detailed in situ characterization of non-stationary electrocatalytic systems
From the themed collection: Future Electroanalytical Developments
Paper

Transition metal ion-substituted polyoxometalates entrapped in polypyrrole as an electrochemical sensor for hydrogen peroxide

Redox behaviour of the Fe3+-substituted Dawson-type polyoxometalate in solution (red curve) and within a polypyrrole film (black curve).

Graphical abstract: Transition metal ion-substituted polyoxometalates entrapped in polypyrrole as an electrochemical sensor for hydrogen peroxide
From the themed collection: Future Electroanalytical Developments
Paper

A stannum–bismuth composite film electrode for simultaneous determination of zinc(II) and cadmium(II) using differential pulse anodic stripping voltammetry

The stannum–bismuth composite film electrode revealed good electroanalytical performance for stripping analysis of trace heavy metals.

Graphical abstract: A stannum–bismuth composite film electrode for simultaneous determination of zinc(ii) and cadmium(ii) using differential pulse anodic stripping voltammetry
From the themed collection: Future Electroanalytical Developments
Paper

All-solid-state potassium-selective electrode using graphene as the solid contact

Graphene sheets are used for the first time to fabricate a solid-contact ion-selective electrode (SC-ISE) as the intermediate layer.

Graphical abstract: All-solid-state potassium-selective electrode using graphene as the solid contact
From the themed collection: Future Electroanalytical Developments
Paper

Polyaniline/polyacrylic acid/multi-walled carbon nanotube modified electrodes for sensing ascorbic acid

A multi-walled carbon nanotube composite electrode incorporating polyaniline (PANI) and polyacrylic acid (PAA) is presented. Its electroanalytical performance is explored by diffusing aniline and PAA into Nafion-MWCNTs membranes supported upon a platinum macrodisc electrode.

Graphical abstract: Polyaniline/polyacrylic acid/multi-walled carbon nanotube modified electrodes for sensing ascorbic acid
Paper

Novel electrode reactions of diazepam, flunitrazepam and lorazepam and their exploitation in a new redox mode LC-DED assay for serum

Previously unreported voltammetric redox behaviour was identified for flunitrazepam, lorazepam and diazepam at a glassy carbon electrode. This was successfully exploited for their determination in serum by high performance liquid chromatography dual electrode detection in the redox mode.

Graphical abstract: Novel electrode reactions of diazepam, flunitrazepam and lorazepam and their exploitation in a new redox mode LC-DED assay for serum
From the themed collection: Future Electroanalytical Developments
Paper

Quantitative characterization of silicon solar cells in the electro-analytical approach: Combined measurements of temperature and voltage dependent electrical parameters

The techniques of impedance spectroscopy and voltammetry have been combined to investigate the effects of temperature and voltage variations on several performance-indicator electrical parameters of a silicon solar cell.

Graphical abstract: Quantitative characterization of silicon solar cells in the electro-analytical approach: Combined measurements of temperature and voltage dependent electrical parameters
From the themed collection: Future Electroanalytical Developments
Paper

Graphene electroanalysis: Inhibitory effects in the stripping voltammetry of cadmium with surfactant free graphene

Surfactant free graphene is utilised towards the electroanalytical sensing of cadmium where surprisingly we find there to be no advantages of employing graphene in this analytical context.

Graphical abstract: Graphene electroanalysis: Inhibitory effects in the stripping voltammetry of cadmium with surfactant free graphene
From the themed collection: Future Electroanalytical Developments
Paper

Redox magnetohydrodynamics enhancement of stripping voltammetry of lead(II), cadmium(II) and zinc(II) ions using 1,4-benzoquinone as an alternative pumping species

Redox-magnetohydrodynamics with 1,4-benzoquinone enhances preconcentration in differential pulse anodic stripping analysis of metals, giving improved detection limits, without rinsing.

Graphical abstract: Redox magnetohydrodynamics enhancement of stripping voltammetry of lead(ii), cadmium(ii) and zinc(ii) ions using 1,4-benzoquinone as an alternative pumping species
From the themed collection: Future Electroanalytical Developments
Paper

Electropolymerized network of polyamidoamine dendron-coated gold nanoparticles as novel nanostructured electrode surface for biosensor construction

Novel Au nanoparticles with PAMAM G-4 dendron and aniline moieties were prepared and electropolymerized on a gold electrode surface. This 3D matrix was used to build an enzyme biosensor towards cathecol.

Graphical abstract: Electropolymerized network of polyamidoamine dendron-coated gold nanoparticles as novel nanostructured electrode surface for biosensor construction
From the themed collection: Future Electroanalytical Developments
Paper

Resolution of phenolic antioxidant mixtures employing a voltammetric bio-electronic tongue

The present work describes the application of a novel bio-electronic tongue using an array of enzyme-modified voltammetric biosensors to the simultaneous determination of phenolic compounds in wine.

Graphical abstract: Resolution of phenolic antioxidant mixtures employing a voltammetric bio-electronic tongue
From the themed collection: Future Electroanalytical Developments
Paper

Study on electrochemical oxidation behaviors and the diffusion mechanism of hydroquinone at pre-anodized carbon paste electrode by cyclic voltammetry

The consumption of H+ on the cathode provided the driving force for hydroquinone transport towards the anode to be oxidized to quinone.

Graphical abstract: Study on electrochemical oxidation behaviors and the diffusion mechanism of hydroquinone at pre-anodized carbon paste electrode by cyclic voltammetry
From the themed collection: Future Electroanalytical Developments
Paper

Synthesis of MgFe2O4 nanoparticles and MgFe2O4 nanoparticles/CPE for electrochemical investigation of dopamine

The MgFe2O4 NPs/CPE exhibits good electrocatalytic activity and the detection limit of dopamine was found to be 7.7 × 10−8 M by statistical calculation.

Graphical abstract: Synthesis of MgFe2O4 nanoparticles and MgFe2O4 nanoparticles/CPE for electrochemical investigation of dopamine
From the themed collection: Future Electroanalytical Developments
Paper

Complex electrochemical and impedimetric evaluation of DNA damage by using DNA biosensor based on a carbon screen-printed electrode

Voltammetric responses of DNA bases (G), intercalator (Th), [Fe(CN)6]3−/4−Irel) and charge transfer resistance (ΔRct,rel) indicate gradual changes such as helix opening, single strand breaks up to leaching of DNA fragments from the electrode.

Graphical abstract: Complex electrochemical and impedimetric evaluation of DNA damage by using DNA biosensor based on a carbon screen-printed electrode
From the themed collection: Future Electroanalytical Developments
Paper

Redox switching and oxygen evolution at oxidized metal and metal oxide electrodes: iron in base

Hydrous iron oxyhydroxide films grown by potential cycling are effective electrocatalysts for the energetically demanding anodic oxygen evolution reaction.

Graphical abstract: Redox switching and oxygen evolution at oxidized metal and metal oxide electrodes: iron in base
From the themed collection: Future Electroanalytical Developments
Paper

Electrochemical sensor for neurotransmitters at physiological pH using a heterocyclic conducting polymer modified electrode

Simultaneous determination of two neurotransmitters, norepinephrine (NEP) and serotonin (5-HT) was achieved using the electropolymerized film of 3-amino-5-mercapto-1,2,4-triazole.

Graphical abstract: Electrochemical sensor for neurotransmitters at physiological pH using a heterocyclic conducting polymer modified electrode
From the themed collection: Future Electroanalytical Developments
Paper

Electrocatalytic reaction of hydrogen peroxide and NADH based on poly(neutral red) and FAD hybrid film

A simple method to immobilize poly(neutral red) (PNR) and flavin adenine dinucleotide (FAD) hybrid film (PNR/FAD) by cyclic voltammetry is proposed.

Graphical abstract: Electrocatalytic reaction of hydrogen peroxide and NADH based on poly(neutral red) and FAD hybrid film
From the themed collection: Future Electroanalytical Developments
Paper

A glucose/oxygen enzymatic fuel cell based on redox polymer and enzyme immobilisation at highly-ordered macroporous gold electrodes

Co-immobilisation of enzymes and redox hydrogels within highly ordered macroporous gold electrodes provides improved power output from a glucose/oxygen biofuel cell operating under physiological conditions.

Graphical abstract: A glucose/oxygen enzymatic fuel cell based on redox polymer and enzyme immobilisation at highly-ordered macroporous gold electrodes
From the themed collection: Future Electroanalytical Developments
Paper

A microfluidic device based on a screen-printed carbon electrode with electrodeposited gold nanoparticles for the detection of IgG anti-Trypanosoma cruziantibodies

A microfluidic device coupled to a screen-printed carbon electrode with electrodeposited gold nanoparticles for the alternative serological diagnosis of Chagas disease was developed.

Graphical abstract: A microfluidic device based on a screen-printed carbon electrode with electrodeposited gold nanoparticles for the detection of IgG anti-Trypanosoma cruziantibodies
From the themed collection: Future Electroanalytical Developments
Paper

Asymmetric logistic peak as a suitable function for the resolution of highly asymmetric voltammograms in non-bilinear systems

A parametric function is proposed for the resolution of non-bilinear voltammetric data including highly asymmetric signals measured by differential pulse and linear sweep voltammetries.

Graphical abstract: Asymmetric logistic peak as a suitable function for the resolution of highly asymmetric voltammograms in non-bilinear systems
From the themed collection: Future Electroanalytical Developments
Paper

Chemically-modified graphenes for oxidation of DNA bases: analytical parameters

Graphite oxide, graphene oxide, electrochemically reduced graphene oxide and thermally reduced graphene oxide show differences in surface functionalities, structure and defect density and these largely influence their electrochemical behaviour in detecting the oxidation of DNA bases.

Graphical abstract: Chemically-modified graphenes for oxidation of DNA bases: analytical parameters
From the themed collection: Future Electroanalytical Developments
Paper

Electrochemical DNA sensor by the assembly of graphene and DNA-conjugated gold nanoparticles with silver enhancement strategy

A novel electrochemical DNA biosensor was developed based on a DNA-assembling graphene platform with gold nanoparticles-catalyzed silver enhancement strategy.

Graphical abstract: Electrochemical DNA sensor by the assembly of graphene and DNA-conjugated gold nanoparticles with silver enhancement strategy
From the themed collection: Future Electroanalytical Developments
Paper

A disposable sensor for point of care wound pH monitoring

The development of a disposable pH sensor for the point of care monitoring of wound pH is described.

Graphical abstract: A disposable sensor for point of care wound pH monitoring
From the themed collection: Future Electroanalytical Developments
Paper

Determination of morphine at gold nanoparticles/Nafion® carbon paste modified sensor electrode

Nafion enhances the determination of morphine at the gold modified carbon paste electrode.

Graphical abstract: Determination of morphine at gold nanoparticles/Nafion® carbon paste modified sensor electrode
From the themed collection: Future Electroanalytical Developments
Paper

Electrochemical behaviour and voltammetric sensitivity at arrays of nanoscale interfaces between immiscible liquids

The electrochemical behaviour of nanointerface arrays between immiscible electrolyte solutions was examined. The sensitivity to tetraethylammonium cation transfer across the water/1,6-dichloroethane interface increased with decreasing nanointerface size.

Graphical abstract: Electrochemical behaviour and voltammetric sensitivity at arrays of nanoscale interfaces between immiscible liquids
From the themed collection: Future Electroanalytical Developments
Paper

Electrochemical identification of artificial oligonucleotides related to bovine species. Potential for identification of species based on mismatches in the mitochondrial cytochrome C1 oxidase gene

Bovine species were discriminated on gold surfaces by placing the mitochondrial DNA using electrochemical impedance spectroscopy and scanning electrochemical microscopy.

Graphical abstract: Electrochemical identification of artificial oligonucleotides related to bovine species. Potential for identification of species based on mismatches in the mitochondrial cytochrome C1 oxidase gene
From the themed collection: Future Electroanalytical Developments
46 items

About this collection

This web theme across Analyst, Analytical Methods and other RSC journals highlights important developments and novel applications in the exciting area of electroanalytical science.

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