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Taei, Masoumeh, Hasanpour, Foroozan, Shavakhi, Marjan. (1393). Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode. فصلنامه علمی زیست فناوری گیاهان زراعی, 3(Issue 1, pp. 1-71, Serial No.6), 16-25.
Masoumeh Taei; Foroozan Hasanpour; Marjan Shavakhi. "Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode". فصلنامه علمی زیست فناوری گیاهان زراعی, 3, Issue 1, pp. 1-71, Serial No.6, 1393, 16-25.
Taei, Masoumeh, Hasanpour, Foroozan, Shavakhi, Marjan. (1393). 'Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode', فصلنامه علمی زیست فناوری گیاهان زراعی, 3(Issue 1, pp. 1-71, Serial No.6), pp. 16-25.
Taei, Masoumeh, Hasanpour, Foroozan, Shavakhi, Marjan. Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode. فصلنامه علمی زیست فناوری گیاهان زراعی, 1393; 3(Issue 1, pp. 1-71, Serial No.6): 16-25.

Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode

Iranian chemical communication
مقاله 3، دوره 3، Issue 1, pp. 1-71, Serial No.6، فروردین 2015، صفحه 16-25    اصل مقاله (1.11 M)
نوع مقاله: Review Article
نویسندگان
Masoumeh Taei* 1؛ Foroozan Hasanpour1؛ Marjan Shavakhi2
1Department of Chemistry, Payame Noor University, PB BOX 19395-4697 Tehran, Iran
21Department of Chemistry, Payame Noor University, PB BOX 19395-4697 Tehran, Iran
چکیده
A carbon-paste electrode (CPE) chemically modified with the N-4,4'-azodianiline(ferrocenyl Schiff base) complex and multi wall carbon nanotubes (ADAFCNTE) was used as a highly sensitive electrochemical sensor for determination of trace amounts of atenolol. The oxidation peak potentials in cyclic voltammogram of ADAFCNTE occurred around 550 mV vs Ag/AgCl (at pH 6.0) while this peak potential at the carbon paste electrode appeared around 800 mV at the same scan rate of 10 mV s−1. The kinetic parameters such as electron transfer coefficient, α, and rate constant for chemical reaction between atenolol and redox sites in modified electrode were 0.41 and 2.8×102 cm3 mol-1 s-1, respectively. The catalytic peak current was linearly dependent on atenolol concentration in the range of 0.1-57.0 µmol L-1 with a detection limit of 0.08 µmol L-1. Finally, the sensor was examined as a selective, simple and precise new electrochemical sensor for the determination of atenolol in urine samples, with satisfactory results.
کلیدواژه‌ها
Atenolol؛ N-4؛ 4'-azodianiline ferrocene؛ multi wall carbon nanotubes؛ electrocatalytic determination
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