[PDF] Top 20 Electrochemical Oxidation of Ascorbic Acid Using MgB2-MWCNT Modified Glassy Carbon Electrode

... of electrochemical reaction arises [47,48] and a repulsive electrostatic interaction occurs between the anions and the modified electrode surface ...both oxidation current and enhancement ... See full document

... for electrochemical oxidation or reduction of many substances ...oxide modified carbon electrode has been employed for the determination of heavy metal ions in drinking water, mineral ... See full document

... Cyclic voltammetry (CV) analysis was performed with the electrochemical workstation BASi (Bioanalytical Systems, Inc.) CV-50W Voltammetric Analyzer with a potentiostat driven by CV-50W Version 2.0 software was ... See full document

... the electrode requires a difficult analytical procedure and increases the analysis time although it could be required for a sensitive and selective determination of overdose levels of paracetamol in whole blood or ... See full document

... with ascorbic acid and/or other pharmacologically and biologically active compounds ...the electrochemical investigations of APAP in clinical preparations, presence of some potentially interfering ... See full document

... of electrochemical oxidation peak current at certain ...The electrochemical process was found to be adsorption - ...the oxidation of DA in the presence of AA and other incorporating ...This ... See full document

... Abstract Carbon Paste Electrode Modified by silica gel /MWCNTs was manufactured and used for the electrochemical determination of Ascorbic acid (AA) in acetate buffer ...(pH=5.0) ... See full document

... The electrochemical oxidation of sulfamethazine (SMZ) has been studied at a multi-walled carbon nanotubes modified glassy carbon electrode (MWCNT-GCE) by cyclic ... See full document

... the oxidation potential of ascorbic acid appears at 420 mV vs Ag/AgCl and there is an absence of electroactivity on the reverse scan or rereduction indicating the oxidation process is ...the ... See full document

... A glassy carbon electrode (GCE) that is modified with a thin film of multi-wall carbon nanotubes (MWCNT) is a useful tool for determining concentration, and a new method for ... See full document

... When DA and UA mixtures were simultaneously determined, the oxidation potentials of DA and UA were 0.16 and 0.31 V, respectively. In other words, 3-TPA/GC could detect DA and UA selectively with the method of ... See full document

... a glassy carbon (GC) electrode surface by adhered microparticles of zinc oxide (ZnO) using electrochemical performance of microparticles of ZnO/GC electrode shows excellent ... See full document

... individual electrochemical behaviors of AA, DA and UA at a NDCS/GCE were first investigated by cyclic voltammetry (CV) as shown in ...The oxidation peak of AA, DA, UA on NDCS@GCE are around ...NDCS ... See full document

... determination. Electrochemical method is given preference in this context over traditional methods due to their simplicity and sensitivity for determination of 5-HT ...determined using ... See full document

... the electrode surface often gives rise to a serious overlapping peak with uric acid ...of electrochemical sensors based on electrodes modified by electro-synthesized dye based nano polymeric ... See full document

... Polyimide (PI), a kind of amorphous structure, is a class of polymers with outstanding performance comparable to that of porphyrin-modified materials [29]. Due to its outstanding characteristics, such as ... See full document

... The developed DPV method for the sinomenine determination was applied to a commercial preparation (sinomenine tablets: Xian Lijun Pharmaceutical Co. LTD., China, Lijun ® , batch No. 0409360, labeled amount of 20 mg per ... See full document

... the electrochemical behaviors of DA, UA and AA with the changes of the redox peak currents and ...potentials. Using multi- walled carbon nanotubes and SDS modified electrode under ... See full document

... of using a graphene-modified electrode to detect dopamine in a system of ...the oxidation peak and concentration were linearly correlated when the DA concentration was 4~100 μmol/L in 1 mmol/L ... See full document

... the oxidation of ascorbic acid (AA), uric acid (UA) and folic acid (FA) and reduced the overpotential for AA oxidation to about 380 mV lower than that of the bare ...The ... See full document