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نمایش چکیده فارسی

Fabrication of an electrochemical sensor based on molecularly imprinted polymer for determination of azithromycin in biological samples: optimization by experimental design methodology

Mohammad Vahidifar1 Zarrin Es’haghi2

Abstract :
In the current research, a simple, sensitive and selective electrochemical sensor was fabricated to measure the amount of azithromycin based on reinforced magnetic molecularly imprinted polymer/carbon paste electrode (MMIP/CPE). The MIP for azithromycin was synthesized by precipitation polymerization. SEM images of obtaining MMIP nanocomposite showed the dimensions in the range 75 - 140 nm. The performance of the electrode prepared for the determination of azithromycin was evaluated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). By comparing non-molecularly imprinted polymer (NIP) paste electrode, (NIP/CPE), and carbon paste electrode modified with magnetic molecular mold polymer (MMIP/CPE), The MMIP/CPE modified carbon paste electrode exhibited an excellent current response to azithromycin. The central composite design (CCD) method was used to optimize the effective parameters. Under optimized conditions, the linear concentration ranges and the limit of detections were obtained as 0.01-100 µM and 8.7 nM for azithromycin. The results show that the designed sensor bears good stability, repeatability and reproducibility. The designed sensor may well be used for the measurement azithromycin in real samples with satisfactory recoveries. The results were validated and compared by high performance chromatography- UV detection

Keywords : electrochemical sensor voltammetry magnetic molecularly imprinted polymer real samples

زبان مقاله : انگلیسی
محور مقاله : علوم
محل انتشار : دومین کنگره بین المللی علوم و مهندسی - پاریس
آدرس وب سایت کنفرانس : parisconf.com
کد IOI مقاله : XCAZ-EHGFA
لینک مستقیم مقاله : https://isnac.ir/XCAZ-EHGFA
نمایش چکیده فارسی : https://isnac.ir/SA/XCAZ-EHGFA

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