Colorimetric Sensor Based on β -Cyclodextrin-Functionalized Silver Nanoparticles for Zidovudine Sensitive Determination

Ghanizadeh Gerayeli, F. and Hosseini, F. and Bagheri, Z. and Savardashtaki, A. and Shabaninejad, Z. and Amani, A.M. and Najafipour, S. (2020) Colorimetric Sensor Based on β -Cyclodextrin-Functionalized Silver Nanoparticles for Zidovudine Sensitive Determination. International Journal of Analytical Chemistry, 2020.

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Abstract

Zidovudine (ZDV) is an antiviral drug against HIV that was approved by the FDA on March, 1987. It is a reverse transcriptase inhibitor. This type of drug stops the reproduction of DNA and decreases the amount of the virus in the patients' blood. Due to the ability of forming various molecular bonds, silver nanoparticles (AgNPs) are widely used for the detection of large range of agents, including drugs. In this study, we synthesized AgNP-modified β-cyclodextrin (β-CD) using green synthesis for the sensitive and selective zidovudine (ZDV) determination. Characterization of nanoparticles was done using different methods including infrared (IR) spectroscopy, ultraviolet-visible (UV-Vis) spectroscopy, transmission electron microscopy (TEM), and also, X-ray diffraction (XRD) patterns. The AgNP λ-max peak was at approximately 405 nm. In the presence of ZDV, yellow solution was turned to red color, and surface plasmon absorption band was dramatically centered at 560 nm. ZDV was determined in the range of 50-500 μM, and the detection limit value was obtained as 42 μM. The sensor was used to determine ZDV in tablets with good recovery. © 2020 Farhad Ghanizadeh Gerayeli et al.

Item Type: Article
Depositing User: Unnamed user with email eprints@fums.ac.ir
Date Deposited: 21 Jul 2020 07:59
Last Modified: 21 Jul 2020 07:59
URI: http://eprints.fums.ac.ir/id/eprint/2720

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