[PDF] Top 20 Simultaneous Determination of Dopamine and L Ascorbic Acid by Modified Carbon Paste Electrode with Ni (II) Cyclam Complex
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Simultaneous Determination of Dopamine and L Ascorbic Acid by Modified Carbon Paste Electrode with Ni (II) Cyclam Complex
... chemically modified electrodes greatly in- creases the selectivity and sensitivity toward these ana- ...the electrode sur- face ...cal modified electrodes (CME) is based on doping car- bon ... See full document
5
Surfactant Induced Iron (II) Phthalocyanine Modified Carbon Paste Electrode for Simultaneous Detection of Ascorbic Acid, Dopamine And Uric Acid
... at carbon-based electrodes in acidic solutions suffered from interference from AA which can be oxidized at a potential close to that of ...chemically modified electrodes [18-24] were developed to solve the ... See full document
10
Selective Electrochemical Sensing of Dopamine and Ascorbic Acid Using Carbon Paste Electrode Modified with Cobalt Schiff Base Complex and a Surfactant
... The complex N,N'-bis(3-ethoxysalicylidene)-4,5-dimetyl-1,2-phenylenediamino cobalt (II) chloride (CoL) and 1-octanaminium,N,N,N-trioctyl bromide (as a cationic surfactant) are used for the preparation of ... See full document
15
Electrochemical Determination of Dopamine, Uric acid and Ascorbic acid at Mn0 02Sn0 98O2 Nanoparticles Modified Carbon Paste Electrode
... nitric acid was an oxidizer and mixed in an appropriate ratio to form a tin nitrate solution, to this solution ...citric acid which acts as fuel and ... See full document
15
Simultaneous voltammetric measurement of ascorbic acid and dopamine at poly (vanillin) modified carbon paste electrode: A cyclic voltammetric study
... the electrode surface by the oxidation products results in a single voltammetric peak for DA and ...bare electrode for the voltammetric determination of DA in the presence of ...the electrode ... See full document
9
Poly (Alanine) Modified Carbon Paste Electrode for Simultaneous Detection of Dopamine and Ascorbic Acid
... bare electrode for the voltammetric determination of DA in the presence of ...the electrode surface retarded the electron transfer and shifted the oxidation potential of AA towards more negative ... See full document
10
Determination of Dopamine in presence of Ascorbic Acid at Eriochrome Black T Modified Carbon Paste Electrode : A Voltammetric Study
... the determination of DA and AA at EBTMCPE because of its higher current sensitivity and better resolution than ...The simultaneous study was carried out in the potential range from 0 to 800 mV ...the ... See full document
9
Simultaneous Electrochemical Determination of Ascorbic Acid, Dopamine and Uric Acid Based on Nitrogen Doped Carbon Sphere Modified Glassy Carbon Electrode
... the simultaneous determination of AA, DA and UA at NDCS modified GCE, differential pulse voltammograms (DPVs) was carried out in their ...was modified to the surface of GCE, peak current is ... See full document
8
Voltammetric Resolution of Dopamine in presence of Ascorbic Acid at Polyvinyl Alcohol Modified Carbon Paste Electrode
... the determination of DA and AA at PVAMCPE because of its higher current sensitivity and better resolution than ...The simultaneous study was carried out in the potential range form -200 to 700mV ...the ... See full document
10
Simultaneous Determination of Dopamine, Ascorbic Acid and Uric Acid at Poly(Patton and Reeder’s) Modified Carbon Paste Electrode
... on its surface. The poly(PR) film at the electrode consciously enhanced the redox peak current of DA and could separately determine DA. The separation of oxidation peak potential is of DA-AA and UA- DA was 163mV ... See full document
12
Simultaneous Determination of Ascorbic Acid, Dopamine, and Uric Acid by Differential Pulse Voltammetry using Tiron Modified Glassy Carbon Electrode
... problems, modified electrodes are reported to have been developed for the single detection of AA, DA, and UA by modifying bare glassy carbon electrode (GCE), as well as platinum and gold ... See full document
15
One-step Fabrication of a New Carbon Paste Electrode for Dopamine, Ascorbic acid and Uric acid determination in Serum
... The carbon paste electrode is electrocatalytically active for dopamine, ascorbic acid and uric acid ...entire electrode modification process and supplies useful ... See full document
13
Fabrication of TiO2 Hollow Spheres and its Application in Modification of Carbon Paste Electrode For Simultaneous Determination of Dopamine and Piroxicam in the Presence of Ascorbic acid
... novel carbon paste electrode modified with TiO 2 hollow spheres (TOHS), multi-walled carbon nanotubes (MWCNTs) and poly-glutamic acid (PGA) film (PGA/TOHS/MWCNTs/ CPE) was used ... See full document
12
Selective Determination of Dopamine, Ascorbic Acid and Uric Acid at SDS-MWCNTs Modified Glassy Carbon Electrode
... working electrode, it is necessary that a simple, fast, selective and sensitive method can be ...for simultaneous determination of DA, AA and UA by electrochemical method have been ...nanoparticles, ... See full document
9
Simultaneous Determination of Dopamine, Uric Acid and Ascorbic Acid with CTAB Modified Carbon Paste Electrode
... In this work CTAB, a cationic surfactant as a modifier to study the electrochemical response of an interesting neurotransmitter DA, CTABMCPE strongly enhanced both anodic and cathodic peak current of DA. The increase in ... See full document
10
Carbon Paste Electrode Modified by Multiwalled Carbon Nanotube "for Electrochemical Determination" of Vitamin C
... The modified electrode is prepared by mixing 60% of pure graphite ...the paste to contact the cell. To activate the electrode surface, cyclic voltammograms were recorded in phosphate buffer ... See full document
12
Electrochemical Determination of Dopamine in Serum in Presence of Uric Acid and Ascorbic Acid at a Sonogel-Carbon L-cysteine Modified Electrode
... of L-cysteine and graphite powder were added and homogenously dispersed in the obtained ...Sonogel–Carbon L- cysteine composite electrode becomes hardened and, therefore, ... See full document
8
Determination of Dopamine in Presence of Uric Acid at Poly (Eriochrome Black t) Film Modified Graphite Pencil Electrode
... Uric acid (UA) is the primary end product of purine metabo- lism in the human body ...uric acid stones [19], gout and Le- seh-Nyhan syndrome ...accurate determination of UA concentration is of great ... See full document
8
A novel β-cyclodextrin Functionalized Reduced Graphene Oxide Electrochemical Sensor for Blood Glucose Detection
... were added to 0.1 M KOH under stirring. The oxidation current was found to be linearly related to the concentration of glucose over a range of 1 μM - 8 mM, as shown in the amperometric curve of glucose. The ... See full document
9
Differential pulse anodic stripping voltammetry of cadmium, copper, lead and zinc in the presence of N,N’-bis[2-hydroxyacetophenone]ethylenediamine
... Through the years, sensitive methods for determination of ultra-trace amounts of metal ions have received much attention and have been developed to improve the analysis measurements. Most commonly used sensitive ... See full document
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