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Electrochemical determination of calcium dobesilate on graphene glassy carbon modified electrode
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نویسنده
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iman m. ,dashtestani f. ,zafari z. ,kamali m. ,ramezani m. ,eskandari k.
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منبع
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journal of applied biotechnology reports - 2016 - دوره : 3 - شماره : 1 - صفحه:373 -375
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چکیده
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Graphene modified glassy carbon electrodes have been developed for the determination of calcium dobesilate in pharmaceutical formulations. the prepared graphene and cnts were used as a conductive substrate for electrochemical study of calcium dobesilate. the direct electrochemistry of calcium dobesilate showed a reversible cyclic voltammogram with a formal potential of 133 mv (vs. ag/agcl) for graphene modified electrodes in 0.1 m phosphate buffer. the linear concentration range of the sensor is 30-120 ng/ml for graphene modified electrode,respectively. the lifetime of biosensor is more than 2 weeks. the proposed modified electrode provides a new promising and alternative way to detect calcium dobesilate. © baqiyatallah university of medical sciences.
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کلیدواژه
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Calcium dobesilate; Direct electrochemistry; Graphene; Sensor
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آدرس
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chemical injuries research center,baqiyatallah university of medical sciences,tehran, ایران, institute of biochemistry & biophysics,university of tehran, ایران, department of energy engineering and physics,faculty of physics,amirkabir university of technology, ایران, nanobiotechnology research center,baqiyatal-lah university of medical science,tehran, ایران, nanobiotechnology research center,baqiyatal-lah university of medical science,tehran, ایران, nanobiotechnology research center,baqiyatal-lah university of medical science,tehran, ایران
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Authors
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