Smart bi-metallic perovskite nanofibers as selective and reusable sensors of nano-level concentrations of non-steroidal anti-inflammatory drugs

Author's Department

Physics Department

Second Author's Department

Physics Department

Third Author's Department

Physics Department

Fourth Author's Department

Physics Department

Fifth Author's Department

Physics Department

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https://www.sciencedirect.com/science/article/abs/pii/S0039914018303448

All Authors

Mona A. Mohamed; Menna M. Hasan; Ibrahim H. Abdullah; Ahmed M. Abdellah; Ali M. Yehia; Nashaat Ahmed; Walaa Abbas; Nageh K. Allam

Document Type

Research Article

Publication Title

Talanta

Publication Date

1-1-2018

doi

10.1016/j.talanta.2018.03.104

Abstract

A strategy for trace-level carbon-based electrochemical sensors is investigated via exploring the interesting properties of BaNb2O6 nanofibers (NFs). Utilizing adsorptive stripping square wave voltammetry (ASSWV), an electrochemical sensing platform was developed based on BaNb2O6 nanofibers-modified carbon paste electrode (CPE) for the sensitive detection of lornoxicam (LOR). Different techniques were used to characterize the fabricated BaNb2O6 perovskite NFs. The obtained data show the feasibility to electro-oxidize LOR and paracetamol (PAR) on the surface of the fabricated sensor. The amount of nanofiber and testing conditions were optimized using response surface methodology and ASSWV technique. The optimized BaNb2O6/CPE sensor exhibits low detection limit of 6.39 × 10−10 mol L−1, even in the presence of the co-formulated drug paracetamol (PAR). The sensor was successfully applied for biological applications.

First Page

344

Last Page

351

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