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Analytical and Bioanalytical Chemistry Research، جلد ۷، شماره ۱، صفحات ۱-۱۵
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عنوان انگلیسی Electrochemical Chiral Recognition of Naproxen Using L-Cysteine/Reduced Graphene Oxide Modified Glassy Carbon Electrode
چکیده انگلیسی مقاله The electrochemical response of S- and R-naproxen enantiomers was investigated on L-cysteine/reduced graphene oxide modified glassy carbon electrode (L-Cys/RGO/GCE). The production of the reduced graphene oxide and L-cysteine on the surface of the glassy carbon electrode was done by using electrochemical processes. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to study the enantioselective interaction between the chiral surface of the electrode and naproxen (NAP) enantiomers. The L-Cys/RGO/GCE was found to be successfully enantioselective toward sensing S-NAP in the presence of R-NAP. The linear dynamic range was found to be 5.0×10−6–1.3×10−4 mol L−1 for both naproxen enantiomers with detection limits of 3.5×10−7 and 2.5×10−6 mol L−1 for S- and R-NAP, respectively. This study shows development of an excellent enantioselective sensor constructed based on L-Cys/RGO/GCE for recognition naproxen enantiomers. The modified electrode could be used successfully for the determination of one naproxen enantiomer in the presence of the other.
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نویسندگان مقاله Maezieh Jafari |
Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran

Javad Tashkhourian |
Chemistry Department, Shiraz University

Ghodratollah Absalan |
Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran

نشانی اینترنتی http://www.analchemres.org/article_89434_748ffb7efc89b7c5e5e0643f7549420a.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/378/article-378-1639194.pdf
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زبان مقاله منتشر شده en
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