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Greenness assessment of two chromatographic methods developed for the determination of Mupirocin in two binary mixtures along with its impurity.
BMC Chem
October 2023
Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo, 11562, Egypt.
Two simple, accurate and precise chromatographic methods have been developed and validated for estimating Mupirocin (MUP) in two binary mixtures. Mixture (1); with Fluticasone propionate (FLU) together with two of their impurities, namely; Pseudomonic acid-D (Pseud-D) and Fluticasone impurity C (FIC). Mixture (2); with Mometasone furoate (MF) along with Pseud-D impurity.
View Article and Find Full Text PDFHSA-MnO-I Combined Imaging and Treatment of Anaplastic Thyroid Carcinoma.
Technol Cancer Res Treat
June 2022
Department of Nuclear Medicine, 117865Tianjin Medical University General Hospital, Tianjin, P. R. China.
Compelling evidence suggests that nanoparticles (NPs) play a crucial role in cancer therapy. NPs templated with human serum albumin (HSA) has good retention in tumors. Manganese dioxide (MnO) has been used to enhance the effect of radiotherapy.
View Article and Find Full Text PDFStability indicating spectrophotometric methods for quantitative determination of bromazepam and its degradation product.
Spectrochim Acta A Mol Biomol Spectrosc
September 2020
Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., 62514 Beni-Suef, Egypt.
Four simple, sensitive and selective stability indicating spectrophotometric methods are presented for quantitative determination of the benzodiazepine drug; bromazepam (BMZ) and one of its reported potential impurities and degradation product; 2-(2-amino-5-bromobenzoyl) pyridine (ABP) in methanol. Method A, is isoabsorptive point coupled with D method, where good linearity was obtained by measuring the absorbance of BMZ at 264 nm (A) in the concentration range of 2-25 μg mL, and the absorbance of ABP at its λ 396 nm in concentration range of 0.5-24 μg mL.
View Article and Find Full Text PDFUltrasensitive chemiluminescence assay for cimetidine detection based on the synergistic improving effect of Au nanoclusters and graphene quantum dots.
Luminescence
March 2019
Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
A novel and sensitive chemiluminescence (CL) procedure based on the synergetic catalytic effects of gold nanoclusters (Au NCs) and graphene quantum dots (GQDs) was developed for the reliable measurement of cimetidine (CM). The initial experiments showed that the KMnO -based oxidation of alkaline rhodamine B (RhoB) generated a very weak CL emission, which was intensively enhanced in the simultaneous presence of Au NCs and GQDs. CL intermediates can be adsorbed and gathered on the surface of Au NCs, becoming more stable.
View Article and Find Full Text PDFOvercoming the challenges of conventional dispersive liquid-liquid microextraction: analysis of THMs in chlorinated swimming pools.
Anal Bioanal Chem
January 2018
Department of Exercise Physiology, University of Tehran, Tehran, 1439956141, Iran.
A rapid, simple, and sensitive approach to the analysis of trihalomethanes (THMs) in swimming pool water samples has been developed. The main goal of this study was to overcome or to improve the shortcomings of conventional dispersive liquid-liquid microextraction (DLLME) and to maximize the realization of green analytical chemistry principles. The method involves a simple vortex-assisted microextraction step, in the absence of the dispersive solvent, followed by salting-out effect for the elimination of the centrifugation step.
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