[PDF] Top 20 Determination of Acetaminophen in the Presence of Ascorbic Acid Using a Glassy Carbon Electrode Modified with Poly(Caffeic acid)

... of electrode surface by the products generated from electrochemical reactions; consequently, the achieved detection limits are relatively ...approaches using different modified electrodes have been ... See full document

... for electrode modification has previously been investigated for DA ...simultaneous determination of AA and DA at micro molar levels in pharmaceutical ...quantitative determination of DA in the ... See full document

... The determination of gallic acid (GA) content by a graphene modified glassy carbon electrode (graphene/GCE) was ...this electrode was studied by cyclic voltammetry (CV), ... See full document

... of carbon nanotubes (CNT) in electrochemistry was first reported by Britto ...structures, presence of reactive groups and defects on its surface [4,6,7], as well as the presence of metallic ... See full document

... The poly(PR) film at the electrode consciously enhanced the redox peak current of DA and could separately determine ...in presence of other two species AA and UA, which has a significant attraction ... See full document

... The modified electrode was prepared by electrochemically pre-treating the bare carbon paste electrode by cycling the potential scan between –400mV to 1400 mV in ...sulphuric acid ... See full document

... calomel electrode (SCE) as the reference electrode, a platinum wire as the auxiliary electrode and a bare or modified glassy carbon electrode (GCE, 3 mm in diameter) as ... See full document

... Chemically modified electrodes have been used to determine the concentration of UA [5, ...sulfonic acid functionalized glassy carbon electrode were used for the simultaneous ... See full document

... 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

... performed using a CHI6041C electrochemical workstation (CH ...three- electrode cell. The three electrodes namely the working electrode, the auxiliary electrode and the reference ... See full document

... the presence of catechol and resorcinol [24], uric acid [25], acyclovir [26] and phenazopyridine hydrocloride ...4-ABSA modified-GCE has not been reported so ...PCT using the GCE ... 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 metabolism ...the ... See full document

... p-Glu modified electrode resolved the mixed voltammetric signals into two well- defined voltammetric ...p-Glu modified electrode shows good selectivity and excellent sensitivity in the ... See full document

... calomel electrode (SCE)) in phosphate buffer pH ...performed using PM3 method to prove the electrochemical oxidation mechanism of caffeine studied by CV ...the electrode involving one-and ... See full document

... The PARGCE could be stored stably for 2 weeks in 0.1 M PBS (pH 6.47) at 4 o C in a refrigerator after finishing above experiment. The DPVs for different concentrations of DA in the presence of 2 mM AA and 60 μM UA ... See full document

... of electrode by polymer film [12], nano materials [13], covalent modification [14], self-assembled monolayers [15], as well as the use of carbon paste electrode [16] and the electrochemical ... See full document

... at glassy carbon electrode ...pencil electrode (GPE) has been success- fully applied to analyses of certain compounds in recent years ...of carbon electrode, it is less ... See full document

... (Ceramic Carbon Electrodes). Besides, in comparison with other carbon electrodes, they exhibit especially favourable electrochemical properties, such as broad operational range of voltage and very low ... See full document

... the composite had good electrocatalytic activity for CA. CV and DPV were applied to investigate the electrochemical behavior of CA on composite modified electrodes. The results showed that the anode current ... See full document

... Electrocatalysis is the science of modification of the overall rates of electrochemical reaction so that, modified electrode are widely used in the field of electrocatalysis [1, 2]. In recent years, ... See full document