Stripping Voltammetric Determination of L-dopa using Poly Sulfacetamide Modified Glassy Carbon Electrode

Mahmoud Ghandour; Azza Ali; Hazim M. Ali; Abdelsatar Khedr; T Madrakian; M Mohammadnejad; A Santos; N Stradiotto; M Zanoni; Z Talebpour; S Haghgoob; M Shamsipur; S Li; H Wu; Y Yu; Y Li; J Nie; H Fu; R Yu; V Rizzo; R Pastori; S Panopt; G Derail; R Moratti; A Tolokan; I Klebovich; K Baloghnemes; G Horvai; M Dolezalova; M Tkaczykova; K Sagar; M Smyth; C Saxer; M Niina; A Nakashima; Y Nagae; N Masuda; M Karimi; J Carl; S Loftin; J Perlmutter; M Pistonesi; M Centurion; B Band; M Bergamini; C Marques; N Bocchi; A Barbeau; L Laitinen; A Bergenheim; M Hariz; L Marcolino-Junior; M Teixeira; A Pereira; O Fatibello; A Afkhami; D Nematollahi; H Khatami; M Helaleh; N Rahman; R Jamhour; E Nameh; J Coello; S Maspoch; N Villegas; P Nagaraja; R Vasantha; K Sunitha; M Chamsaza; A Safavia; J Fadaeea; P Damiani; A Moschetti; A Rovetto; F Benavente; A Olivieri; X.-X Yan; D Pang; Z Lu; J Lu; H Tong; E Laviron; K Hasee; J Osteryoung; J Wang; M Lin; V Villa; P Prabhu; R Babu; S Narayanan; G Hu; L Chen; Y Guo; X Wang; Shao; X Yan; D Pan; H Wang; X Bo; L Guo; A Babaei; M Sohrabi; A Taheri; V Moncada; A lvarez-Lueje; A Abdulrahman; A Al-Abachi; M Al-Qaissy; B Kumaraswamy; B Sherigara; E Subrahmanyam; G Venkateswaran; X Liu; Z Zhang; G Cheng; S Dong; A Castillo; S Sarac; W Schuhmann; Y Sun; J Fei; J Hou; Q Zhang; Y Liu; B Hu; C Jayakumar; V Jeseentharani; Y Reddy; M Kulandainathan; K Nagaraj; B Jeyaraj; J Mathiyarasu; L Nyholm; K Reddaiah; T Reddy; P Raghu

doi:10.21608/aunj.2016.221439

JOURNAL ARTICLE

Stripping Voltammetric Determination of L-dopa using Poly Sulfacetamide Modified Glassy Carbon Electrode

Mahmoud Ghandour Azza Ali Hazim M. Ali Abdelsatar Khedr T Madrakian A Afkhami M Mohammadnejad M Bergamini A Santos N Stradiotto M Zanoni Z Talebpour S Haghgoob M Shamsipur S Li H Wu Y Yu Y Li J Nie H Fu R Yu V Rizzo R Pastori S Panopt G Derail R Moratti A Tolokan I Klebovich K Baloghnemes G Horvai M Dolezalova M Tkaczykova K Sagar M Smyth C Saxer M Niina A Nakashima Y Nagae N Masuda M Karimi J Carl S Loftin J Perlmutter M Pistonesi M Centurion B Band P Damiani A Olivieri M Teixeira M Bergamini C Marques N Bocchi A Barbeau L Laitinen A Bergenheim M Hariz L Marcolino-Junior M Teixeira A Pereira O Fatibello A Afkhami D Nematollahi H Khatami M Helaleh N Rahman R Jamhour E Nameh J Coello S Maspoch N Villegas P Nagaraja R Vasantha K Sunitha M Chamsaza A Safavia J Fadaeea P Damiani A Moschetti A Rovetto F Benavente A Olivieri X.-X Yan D Pang Z Lu J Lu H Tong E Laviron K Hasee J Osteryoung J Wang M Lin V Villa P Prabhu R Babu S Narayanan G Hu L Chen Y Guo X Wang Shao X Yan D Pan H Wang X Bo L Guo A Babaei M Sohrabi A Taheri V Moncada A lvarez-Lueje A Abdulrahman A Al-Abachi M Al-Qaissy B Kumaraswamy B Sherigara E Subrahmanyam G Venkateswaran X Liu Z Zhang G Cheng S Dong A Castillo S Sarac W Schuhmann Y Sun J Fei J Hou Q Zhang Y Liu B Hu C Jayakumar V Jeseentharani Y Reddy M Kulandainathan K Nagaraj B Jeyaraj J Mathiyarasu L Nyholm K Reddaiah T Reddy P Raghu

Year: 2016 Journal: Assiut University Journal of Multidisciplinary Scientific Research Vol: 45 (2)Pages: 87-98

DOI: 10.21608/aunj.2016.221439

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Abstract

The voltammetric behavior of L-dopa was studied at poly sulfacetamide modified glassy carbon electrode (SFA-modified GCE), based on electrochemical oxidation of sulfacetamide.The modified electrode exhibited good selectivity and strong electrocatalytic activity for electrochemical oxidation of L-dopa in Britton -Robinson buffer solution (pH 2).Under the chosen conditions, the oxidation peak currents showed a linear dependence on the L-dopa concentration in the range of 1×10 -7 to 1.1×10 -6 M with limit of detection of 0.3×10 -9 M.This method was applied to the determination of L-dopa in human serum and urine with satisfactory results.In addition, L-dopa was determined in presence of ascorbic acid (AA), uric acid (UA) and glucose.

Keywords:

Glassy carbon Stripping (fiber) Electrode Chemistry Materials science Nuclear chemistry Chromatography Electrochemistry Composite material Cyclic voltammetry Physical chemistry

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Electrochemical sensors and biosensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

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Conducting polymers and applications

Physical Sciences → Materials Science → Polymers and Plastics

Stripping Voltammetric Determination of L-dopa using Poly Sulfacetamide Modified Glassy Carbon Electrode

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