[PDF] Top 20 Fabrication of Poly(Aspartic Acid) Nanogold Modified Electrode and Its Application for Simultaneous Determination of Dopamine, Ascorbic Acid, and Uric Acid

... Similarly, ascorbic acid (AA) functions as a redox cofactor and catalyst in a broad array of biochemi- cal reactions and ...[5]. Uric acid (UA) is produced by xanthine oxidase from xanthine ... See full document

... MWCNTs modified carbon paste electrode is suitable for a selective simultaneous determination of trace amounts of DA and ...The electrode was coated with PGA film, a conductive polymer ... See full document

... designing, fabrication and application of novel electrochemical sensor has been of considerable interest ...DA determination is the resolution between DA and coexisting species such as uric ... See full document

... as electrode material in electrochemical ...to its excellent electrical conductivity, large surface area and chemically stability ...potential application of graphene-based materials for ... See full document

... the modified electrode has a good selectivity, sensitivity and ...With its low cost and ease of preparation CTABMCPE will have good application for further sensor ... See full document

... for determination of EP, DA, AA and UA ...self-polymerization, its surface-adherent on bulk material surfaces and permselectivity toward electroactive counterions due to the rich charges ...composites ... See full document

... chemically modified electrodes [18-24] were developed to solve the UA detection ...to its clinical ...offers its own set of advantages and disadvantages. Chemically modified electrodes are an ... See full document

... the simultaneous determination of ascorbic acid (AA), dopamine (DA), and uric acid (UA) using Tiron polymer film modified on glassy carbon ...The modified ... See full document

... AA, 10 μM DA, and 20 μM UA at bare GCE and PARGCE in pH 6.47 PBS are shown in Fig.3(B). Similarly, the indistinguishable peak potentials of AA, DA, and UA did not appear when DA was oxidized on the modified GCE. ... See full document

... carbon electrode (GCE) modified with the poly(alizarin yellow R) (PAYR) film was prepared by an electropolymerization ...method. Ascorbic acid (AA), dopamine (DA) and uric ... See full document

... paste electrode is electrocatalytically active for dopamine, ascorbic acid and uric acid ...entire electrode modification process and supplies useful information as to the ... See full document

... functionalized-graphene modified graphite electrode (199 mV for AA and DA, 164 mV for DA and UA, and 363 mV for AA and UA) [25] and ERGO/GCE (240 mV for AA and DA, 130 mV for DA and ... See full document

... Simultaneous determination of dopamine (DA), ascorbic acid (AA) and uric acid (UA) has received a considerable attention [26] and plays a vital role in the process of ... See full document

... the electrode surface often gives rise to a serious overlapping peak with uric acid ...the determination of UA such as high- performance liquid chromatography [7, 8], gas chromatography [9], ... See full document

... and poly (PR) film modified CPE was recorded ...condition poly (PR) modified CPE (solid line) gave birth to significantly enhanced peak current and more reversible electron transfer process to ... See full document

... the determination of UA or DA, a major obstacle usually encountered is the interference of AA, which is usually present in high concentrations in the body fluids and can be oxidized at a potential close to that of ... See full document

... the simultaneous determination of dopamine in presence of ascorbic acid at electropolymer modified carbon paste electrode ...used poly (neutral red) modified ... See full document

... bare electrode for the voltammetric determination of DA in the presence of ...the poly (alanine) MCPE resolved the voltammetric signal into two well defined voltammetric peaks at 41mV and 245mV ... See full document

... To prepare the Sonosol, the general procedure was as follows: 500µL of MTMOS and 100 µL of 0.2M HCl were mixed and then insonated during 5 s with the high-power ultrasonic processor, in this way the mixture is subjected ... See full document

... then uric acid-4,5 diol. The uric acid-4,5 diol compound produced is unstable and decomposes to various products depending on the solution pH ... See full document