glassy carbon electrode
Decolourization of anthraquinone reactive dye by electrochemical reduction on reticulated glassy carbon electrode
... reticulated glassy carbon electrode in aqueous solution could form the basis of convert the anthraquinone group but the technique is not efficient to promote the total degradation of reactive dye ...
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Glassy carbon electrode modified with poly(taurine)/TiO2-graphene composite film for determination of acetaminophen and caffeine
... modified glassy carbon ...modified electrode was studied by cyclic volt- ammetry and differential pulse ...modified electrode showed good sen- sitivity and stability, which has promising ...
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Electrochemical behavior of ruthenium-hexacyanoferrate modified glassy carbon electrode and catalytic activity towards ethanol electrooxidation
... the glassy 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 ...
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Electrocatalytic Oxidation of Venlafaxine at a Multiwall Carbon Nanotubes-Ionic Liquid Gel Modified Glassy Carbon Electrode and Its Electrochemical Determination
... multi-wall carbon nanotube modified glassy carbon electrode (MWCNTs/GCE), and a glassy carbon electrode modified by multi-wall carbon nanotube and the room ...
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Electrochemical Reduction Using Glassy Carbon Electrode in Aqueous Medium of a Potential Anti-Chagas Drug: NFOH
... Nitrofurazone 共NF兲 presents activity against Chagas’ disease, yet it has a high toxicity. Its analog, hydroxymethylnitrofurazone 共NFOH兲, is more potent against Trypanosoma cruzi and much less toxic than the parent drug, ...
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Adsorptive Stripping Voltammetric Determination of Hydroquinone using an Electrochemically Pretreated Glassy Carbon Electrode
... of electrode processes, broad anodic potential window, the glassy carbon electrode is considered to be the most suitable sensor for the oxidation of various substances and extensively being ...
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Improved immobilization of laccase on a glassy carbon electrode by oriented covalent attachment
... working electrode was a glassy carbon electrode (GCE, diameter, ...he electrode surface was polished for 5 min with a polishing cloth and alumina-water slurry; then it was sonicated for ...
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Fabrication Of Gold Nanoparticles-Modified Glassy Carbon Electrode And Its Application For Voltammetric Detection Of CrIII
... 3.3 Calibration curve and analytical performance Calibration curve for the determination of Cr(III) on the AuNPs- GCE was achieved by DPSV under optimum conditions. Fig. 3 shows voltammetric performance and calibration ...
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J. Braz. Chem. Soc. vol.20 número3
... The recoveries indicate that the proposed method is accurate and the experimental results demonstrate that the CrHCF-modified glassy carbon electrode presents a great potential for the analysis of PN ...
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J. Braz. Chem. Soc. vol.22 número3
... A glassy carbon (GC) electrode modiied by multi-walled carbon nanotubes (MWNTs) and bis(pyterpy)iron(II) thiocyanate complex (pyterpy = 4’-(4-pyridyl)-2,2’:6’,2’’-terpyridine) was investigated ...
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J. Braz. Chem. Soc. vol.22 número2
... modified glassy carbon electrode was used for the simultaneous determination of epinephrine (EP) and uric acid (UA) in the presence of ascorbic acid ...modiied electrode showed good ...
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J. Braz. Chem. Soc. vol.25 número3
... 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, ...
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Electrochemical evaluation of lipophilic antioxidants from Iryanthera juruensis fruits (Myristicaceae)
... In order to test this hypothesis, complete cyclic voltammograms were recorded for plastoquinones 3 and 4 in CH 2 CL 2 /0.1 M TBATFB at glassy carbon electrode, which were isolated and identified ...
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Nitrofurazone and its nitroheterocyclic analogues: a study of the electrochemical behavior in aqueous medium
... The biological action of drugs with potential antichagasic activities can be better understood by knowing their reduction mechanism. For this proposal, the electrochemical reduction of nitrofurazone (NF) and its ...
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Approach on the Electrochemical Reactivity of Poly-L-Glutamic Acid Against Doxorubicin and Its Application in the Development of a Voltammetric Sensor
... modified electrode to pre- accumulate the ...the electrode surface. To this end, coating the carbon disk with 16 L samples of a mixture of PGA:GLU giving the following ratios: ...the glassy ...
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J. Braz. Chem. Soc. vol.23 número2
... The cyclic voltammetry experiments were carried out using an Autolab potentiostat PGSTAT 30 (Eco Chemie B.V., Netherlands), equipped with the GPES 4.9 software with a glassy carbon electrode with a 2 ...
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Voltammetric Determination of Guanine on the Electrode Modified by Gold Deposit and Nafion Film
... the glassy carbon electrode, including that one covered with the NF film, as well as for registration of the maximum catalytic current on these ...modified electrode from the guanine ...
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J. Braz. Chem. Soc. vol.16 número4
... a glassy carbon electrode, producing, in acid medium, only one reduction wave involving four electrons due to the hydroxylamine derivative ...the glassy carbon electrode, using ...
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J. Braz. Chem. Soc. vol.20 número8
... A differential pulse voltammogram of the MB dye probe (Figure 6) at a glassy carbon electrode exhibits a cathodic peak. The peak at approximately –0.13 V corresponds to the reduction of MB. As the ...
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J. Braz. Chem. Soc. vol.24 número10
... a glassy carbon electrode in a solution containing isoflurane and iron porphyrin complex indicates a well-defined irreversible peak at nearly ...
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