Modified electrode
Direct Electrochemistry of Horseradish Peroxidase on NiO Nanoflower Modified Electrode and Its Electrocatalytic Activity
... the current response only decreased for about 5.05 % of the initial value. After a 30-day storage period, CTS/NiO- HRP/CILE still retained 92.2 % of initial current, which indi- cated that the modified ...
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An electrochemical sensor for dipyrone determination based on nickel-salen film modified electrode
... platinum electrode was ...platinum electrode in acetonitrile/tetrabuthylamonium perchlorate by cyclic ...the modified electrode in a ...an electrode surface immobilized with a redox ...
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Poly(methylene blue)-modified electrode for indirect electrochemical sensing of OH radicals and radical scavengers
... PMB-modified electrode by removing the electrode and washing it with ...the electrode surface was regenerated by mechanical polishing, washing and sonication ...
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Electrooxidation and determination of dopamine using a Nafion (R)-cobalt hexacyanoferrate film modified electrode
... carbon electrode. Using a rotating disk CoHCFe-modified electrode, the reaction rate constant for dopamine was found to be ...CoHCFe-modified electrode surface a high selectivity for ...
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Development of an electrochemical sensor for potassium ions based on KSr(2)Nb(5)O(15) modified electrode
... The oxides with the tetragonal tungsten bronze structure (TTB) type are in forefront both in the area of research as well as in industrial applications. Taking into account TTB structure type, a wide variety of cations ...
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Catalysis of the bromate reduction at a molybdenum oxide modified electrode.
... CATALYSIS OF THE BROMATE REDUCTION AT A MOLYBDENUM OXIDE MODIFIED ELEC- TRODE. In this paper some studies concerning the electroreduction of Mo(VI) in sulphuric acid solutions are described. We have shown that at ...
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Fabrication of ZnO Nanorod Modified ITO Electrode and its Characteristic on Electrochemical Biosensing
... Abstract—In this study, we have fabricated the aligned ZnO nanorods array by chemical bath deposition (CBD) on Indium Tin Oxide (ITO) glass. It can be seen that the top view of nano-structure and material compositions by ...
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J. Braz. Chem. Soc. vol.14 número2
... voltammetric determination of pyridoxine in pharma- ceutical preparations containing vitamins and other concomitants with good sensitivity and selectivity. It is simple and quick to prepare. The cyclic voltammograms of ...
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J. Braz. Chem. Soc. vol.18 número4
... carbon electrode with a Nafion film, which was selective to ...- modified electrode (MCPE) associated with differential pulse voltammetry technique, two well-defined peaks were obtained for L-dopa ...
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J. Braz. Chem. Soc. vol.22 número2
... polySFR-modified electrode not only separated the voltammetric peaks of EP, UA, and AA well but also showed that these species had a good electrocatalytic ...
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J. Braz. Chem. Soc. vol.16 número6A
... GC electrode toward the electroxidation of thiosulfate using various electroanalytical ...CoPCNF- modified electrode was prepared as a new ME and examined for its electrocatalytic ...This ...
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J. Braz. Chem. Soc. vol.19 número4
... The main objective of this work is, thus, to investigate the possible interaction between chitosan and TRF in solution through spectrophotometry in order to get the mechanism of the possible interaction, with the aim of ...
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J. Braz. Chem. Soc. vol.18 número1
... the electrode surface, thus leading to a chemically modified electrode that may be very ...Rupic modified electrode, referred to as CPE/Rupic, was ...the modified ...
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J. Braz. Chem. Soc. vol.25 número3
... a modified glassy carbon electrode with a film of RuQT ...the electrode was formed by dropping and drying a solution of RuQT compound in diluted acetic acid and characterized by powder XRD, SEM, AFM, ...
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J. Braz. Chem. Soc. vol.26 número3
... paste electrode modified with PB has been fabricated and used for determination of UDMH in the presence of ...paste electrode. The modified electrode is simple, sensitive, rapid, and ...
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UNIVERSIDADE FEDERAL DE UBERLÂNDIA INSTITUTO DE GENÉTICA E BIOQUÍMICA PÓS-GRADUAÇÃO EM GENÉTICA E BIOQUÍMICA DESENVOLVIMENTO DE BIOELETRODO PARA DETECÇÃO DO VÍRUS DA HEPATITE B USANDO POLI(4-AMINOFENOL) COMO MATRIZ
... graphite electrode surface and functional groups of ...of modified electrode containing poly(GA) or HepB1 probes before or after hybridization with the complementary targets poly(CT) or HepB2, by ...
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J. Braz. Chem. Soc. vol.26 número5
... the modified electrodes, the cyclic voltammograms were obtained in the presence and absence of IP at bare and modified ...the modified and bare GCE in the presence and absence of IP in phosphate ...
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J. Braz. Chem. Soc. vol.20 número3
... CrHCF-modified electrode the method can tolerate up to the following interference concentrations without affecting the current response (for an error of 5%): an equal concentration of sodium citrate, sodium ...
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J. Braz. Chem. Soc. vol.21 número10
... investigated (see Figure 3). The results indicate that with the increase of the pH, the stability of the modiied electrode decreases. It may be due to the conversion of indenedione to a more soluble anionic form ...
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Electrochemical behavior of ruthenium-hexacyanoferrate modified glassy carbon electrode and catalytic activity towards ethanol electrooxidation
... carbon electrode surface with RuHCF was evidenced by the cyclic voltammogram, as shown in Figure ...bare electrode surface (Figure 1 curve a), and for the RuHCF modified electrode, four pairs ...
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