Determination of Cloxacillin by Using Co3O4 Nanoparticles-Enhanced Chemiluminescence Reaction
In this work, the catalytic effect of Co3O4 NanoParticles (NPs) on the luminol-O2 chemiluminescence (CL) reaction in alkaline medium was presented. By using quick precipitation method, Co3O4 NPs were synthesized and then by using Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Fourier Transform InfraRed (FT-IR) spectroscopy were characterized. In the following, it was indicated that cloxacillin can increase the intensity of the luminol-O2 CL reaction. Based on these findings, a new, simple, and sensitive CL method for the determination of cloxacillin was presented. The liner range, correlation coefficient, limit of detection and reproducibility (RSD%) of the method for cloxacillin were 3.0 × 10-5 - 7.0 × 10-4 mol/L, 0.99, 2.9 × 10-5 mol/L and 2.2% respectively and analysis of each sample took about 1.0 minute. In addition, this proposed method was successfully used for the determination of cloxacillin in pharmaceutical formulation.
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