[PDF] Top 20 Selective Determination of Epinephrine in the Presence of Ascorbic Acid and Dopamine at Silver Doped Polyglycine Modified Electrode

... Quantitative determination of EP is a significant thing in developing nerve physiology, diagnosis and controlling medicine ...as ascorbic acid (AA) and dopamine ...a modified ... See full document

... in dopamine hydrochloride injection [21, ...applying modified electrode for the determination of DA in real sample [6, 19] such as human urine [9, ...the determination of DA by using ... 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 pretreatment of ... See full document

... for determination of EP has been a focal subject in bioscience, biotechnology and medicinal chemistry, especially in ...quantitative determination of EP because EP is easily ...the electrode/solution ... See full document

... paper, dopamine(DA) and uric acid(UA) were selectively determined using cyclic voltammetry and differential pulse voltammetry in the presence of ascorbic acid(AA) by a glass carbon ... See full document

... highly selective graphene-modified glassy carbon electrode (GME) is ...investigated. Selective determination of UA by this sensor in the presence of high concentrations of DA and ... See full document

... their selective determination in a ternary mixtures is of great importance in electrochemical ...unmodified electrode and (b) 5% L-cysteine Sonogel-Carbon modified electrode in serum ... See full document

... as ascorbic acid ...the presence of several neurotransmitters including ...a modified carbon paste electrode, which has the ability to eliminate the interfering substances from DA ... See full document

... chemically modified carbon paste electrode was prepared by mixing 15mg of polyvinyl alcohol (PVA) with 70%:30% ratio of carbon paste ...PVA modified carbon paste electrode was excellent in ... See full document

... in presence of 1mM AA, and 100M 5-HT at TTABMCPE was studied by ...the presence of higher concentration of AA and ...of dopamine undergoes at 180 mV and that of uric acid at 308 mV at the ... See full document

... of dopamine and ascorbic acid on a gold electrode modified with the self- assembled monolayer of 2-mercaptoethanesulfunate has been ...against ascorbic acid and ... See full document

... of silver doped polglycine at electrode is a complex process and is shown in ...as polyglycine) can produce ammonia cation radical by electrochemical oxidation, then the radical cation formed ... See full document

... the determination remains a challenge because of the presence of large excess of ascorbic acid ...bare electrode are irreversible and therefore requires high over potential (Adams ... See full document

... poly(caffeic acid) was deposited on the surface of a glassy carbon electrode by potentiostatic technique in an aqueous solution containing caffeic ...poly(caffeic acid) modified glassy carbon ... See full document

... 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 improved ... See full document

... the electrode consciously enhanced the redox peak current of DA and could separately determine ...of selective, sensitive detection of DA in presence of other two species AA and UA, which has a ... See full document

... the modified electrode in mixture of EP, DA, AA and ...the modified electrode exhibited high current signals and well-defined three oxidation peaks for AA, DA/EP and UA at 50, 230 and 380 mV, ... See full document

... this electrode occurs at a potential about 235 mV less positive than that of an unmodified carbon paste ...this modified electrode exhibits well separated oxidation peaks for EP and acetaminophen ... See full document

... Three electrodes cell (50 ml) was used to do the electrochemical experiments. BCPE and PGMCPE were used as a working electrode (WE), Pt wire used as a counter electrode (CE) and saturated calomel ... See full document

... sulfonic acid was purchased from Merck and was used without any further ...as dopamine hydrochloride, ascorbic acid and KCl were of analytical grade and pur- chased either from Sigma Chemical ... See full document