The use of nanoparticles in electroanalysis: a review

Welch, Christine M.; Compton, Richard G.

doi:10.1007/s00216-005-0230-3

Cited by 721 publications

(440 citation statements)

References 153 publications

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“…Expenses can be lowered by using nanomaterials which also typically increases the surface area and can also increase the number of active sites [17]. Biofouling has been proposed as the main reason for biosensor failure in vivo [18].…”

Section: Introductionmentioning

confidence: 99%

Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling properties

Tujunen

Kaivosoja

Protopopova

et al. 2015

Materials Science and Engineering: C

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Hydrogen peroxide is the product of various enzymatic reactions, and is thus typically utilized as the analyte in biosensors. However, its detection with conventional materials, such as noble metals or glassy carbon, is often hindered by slow kinetics and biofouling of the electrode. In this study electrochemical properties and suitability to peroxide detection as well as ability to resist biofouling of Pt-doped ta-C samples were evaluated. Pure ta-C and pure Pt were used as references. According to the results presented here it is proposed that combining ta-C with Pt results in good electrocatalytic activity towards H2O2 oxidation with better tolerance towards aqueous environment mimicking physiological conditions compared to pure Pt. In biofouling experiments, however, both the hybrid material and Pt were almost completely blocked after immersion in protein-containing solutions and did not produce any peaks for ferrocenemethanol oxidation or reduction. On the contrary, it was still possible to obtain clear peaks for H2O2 oxidation with them after similar treatment. Moreover, quartz crystal microbalance experiment showed less protein adsorption on the hybrid sample compared to Pt which is also supported by the electrochemical biofouling experiments for H2O2 detection.

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Section: Introductionmentioning

confidence: 99%

Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling properties

Tujunen

Kaivosoja

Protopopova

et al. 2015

Materials Science and Engineering: C

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“…Metallic nanoparticles have experienced growing interest for use in electroanalytical chemistry as electrode modifiers for a set of important advantages that can be achieved, including high effective surface area and electrocatalytic activity toward the oxidation/reduction of a number of substances [105]. The synergistic effect from the combined use of metallic nanoparticles and carbon nanotubes has been explored in recent years for the sensing of pesticides.…”

Section: Metallic Nanoparticles/carbon Nanotubes Sensorsmentioning

confidence: 99%

An Overview of Pesticide Monitoring at Environmental Samples Using Carbon Nanotubes-Based Electrochemical Sensors

Wong

Silva

Caetano

et al. 2017

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Carbon nanotubes have received enormous attention in the development of electrochemical sensors by promoting electron transfer reactions, decreasing the work overpotential within great surface areas. The growing concerns about environmental health emphasized the necessity of continuous monitoring of pollutants. Pesticides have been successfully used to control agricultural and public health pests; however, intense use can cause a number of damages for biodiversity and human health. In this sense, carbon nanotubes-based electrochemical sensors have been proposed for pesticide monitoring combining different electrode modification strategies and electroanalytical techniques. In this paper, we provide a review of the recent advances in the use of carbon nanotubes for the construction of electrochemical sensors dedicated to the environmental monitoring of pesticides. Future directions, perspectives, and challenges are also commented.

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“…However, the phenomenological stage of the ChME development is not complete because a diversity of modifiers and variants of their immobilization on electrodes will give researchers a wide scope of work for a long time to come. It follows from the literature survey that a very promising and hopeful line of development of electrochemical sensors is the use of nanoparticles in electroanalysis [230][231][232] and the creation of micro-and nanoelectrode arrays, which can uniquely measure the electrochemical response in nonconductive media and unstirred electrolytes. However, the technologies used for the production of ME ensembles are extremely complicated and unavailable for ordinary research laboratories, suggesting the need to develop new methods of their fabrication.…”

Section: Future Trendsmentioning

confidence: 99%

Modified carbon-containing electrodes in stripping voltammetry of metals. Part II. Composite and microelectrodes

Stozhko

Малахова

Fyodorov

et al. 2007

J Solid State Electrochem

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The second part of the review, which covers modified carbon-containing electrodes, describes composite and microelectrodes. Electrodes made of commercial and laboratory carbon-containing composite materials are discussed. Impregnated and thick-film electrodes and microelectrodes made of carbon fibers form a separate group. Various modifiers and methods of electrode modification are presented. Prospects for the future development of solid-state modified electrodes are considered. [12][13][14][15][16]. In most cases, electrodes of these materials are modified by metal films (mercury, copper, and bismuth), molecularly imprinted TiO 2 [17]. The occurrence in the last decade of new types of carbon materials "from carbon nanotubes to edge plane pyrolytic graphite" [18,19] has significantly changed the scope and sensitivity of electroanalytical methods for the measurement of diverse targets from metals ions to biological markers. Investigators considered in detail electrochemical characteristics [20] and practical use [21] of the "edge" plane pyrolytic graphite, which proved to have a wider interval of working potentials and a low detection limit as compared to those of the basal pyrolytic graphite and GC. For example, in situ bismuth film modified edge plane pyrolytic graphite electrode was successfully applied to the ultra trace simultaneous determination of cadmium(II) and lead(II) with detection limit 5.5·10 −10 and 4·10 −10 M, respectively [22].Synthetic diamonds (nitrogen-[23, 24] and boron-doped ) have come into use quite recently for electrochemical measurements. In particular, a gold-coated, borondoped, diamond thin-film electrode was used for total inorganic arsenic detection in real water samples [50]. Unlike properties of other carbon materials, which are widely used in electroanalysis, properties of synthetic diamonds became the subject of comprehensive study just about 10 years ago. The research was hindered by two circumstances: shortage of the material and the absence of conduction. The situation radically changed with the advent of highly efficient methods for growing of polycrystalline diamond compounds.A more efficient separation, accumulation, and determination of components is achieved with electrodes of composite materials made of graphite, carbon, glassy carbon, or diamond powders and binders such as paraffin, epoxy resins, methacrylate, silicon, styrene-acrylonitrile copolymer, polyester, and silica gel. The reviews [51][52][53][54] deal with properties and applications of various composite J Solid State Electrochem

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The use of nanoparticles in electroanalysis: a review

Cited by 721 publications

References 153 publications

Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling properties

Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling properties

An Overview of Pesticide Monitoring at Environmental Samples Using Carbon Nanotubes-Based Electrochemical Sensors

Modified carbon-containing electrodes in stripping voltammetry of metals. Part II. Composite and microelectrodes

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