Objectives: In this study, we report the quality control results of drug-related impurity analysis of seven raw materials of ciprofloxacin hydrochloride marketed in Algeria.
Materials And Methods: According to the European Pharmacopoeia (Eur. Ph.), high-performance liquid chromatography (HPLC) was used to analyze (B, C, D and E) impurities, while thin layer chromatography (TLC) used to control impurity A.
Results: HPLC analysis showed that the C1, C2, C3, C4, and C6 samples have individual contents of specified impurities (B, C, D, E), unspecified and the total of all present impurities conform to norms. The C5 sample contains a very high content (0.579%) of impurity C, which is a photodegradation product and the impurities total (0.625%) exceeding limit, while C7 sample has a slightly higher content (0.118%) of unspecified impurity. The control solution of impurity A was not migrated in all developed TLC plates, so the system is not compliant, for this reason, an HPLC analysis protocol was developed.
Conclusion: The results showed that impurity A content conformed in all samples except for the C6 sample, which has equal content to the limit. Therefore, we recommend revising the detecting technique of impurity A by TLC in the Eur. Ph. or replacing it with a more sensitive technique such as HPLC.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9254081 | PMC |
http://dx.doi.org/10.4274/tjps.galenos.2021.70594 | DOI Listing |
NPJ Biofilms Microbiomes
December 2024
Costerton Biofilm Center, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, 2200, Denmark.
The evolution of antimicrobial resistance (AMR) in biofilms, driven by mechanisms like oxidative stress, is a major challenge. This study investigates whether antioxidants (AOs) such as N-acetyl-cysteine (NAC) and Edaravone (ED) can reduce AMR in Pseudomonas aeruginosa biofilms exposed to sub-inhibitory concentrations of ciprofloxacin (CIP). In vitro experimental evolution studies were conducted using flow cells and glass beads biofilm models.
View Article and Find Full Text PDFIran J Microbiol
December 2024
Department of Microbiology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
Background And Objectives: The global problem of urinary tract infections (UTIs) caused by antibiotic-resistant bacteria is due to limited treatment options. This study aimed to examine the prevalence, etiology, and management implications of causing UTI at Imam Hospital Ardabil, Iran.
Materials And Methods: 2340 samples of retrospective data on causing UTIs were collected at Imam Hospital in Ardabil, Iran, spanning from 2012 to 2022.
Open Vet J
November 2024
Department of Internal and Preventive Veterinary Medicine, College of Veterinary Medicine, University of Wasit, Wasit, Iraq.
Background: In goats, acute and chronic respiratory infections are often characterized by a rapidly progressing clinical course with little opportunity to develop an effective antibiotic therapy.
Aim: This study aimed to identify spp. in pneumonic goats, assess its antibiotic susceptibility, and confirm the molecular phylogenetics of spp.
BMC Res Notes
December 2024
Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
Objective: The increase of multidrug-resistant (MDR) strains of Acinetobacter baumannii (A. baumannii), especially carbapenem-resistant strains, is challenging for treating infections. This study investigated the antibiotic resistance pattern and frequency of carbapenem resistance genes (oxacillinase and metallo-beta-lactamase) in A.
View Article and Find Full Text PDFInt J Biol Macromol
December 2024
Materials Polymer Laboratory, Macromolecular Chemistry Department, Faculty of Chemistry, University of Sciences and Technology Houari Boumediene USTHB, B.P. 32 El-Alia, 16111 Algiers, Algeria.
Herein, we propose magnetic nanocomposites as a powerful new catalyst for organic pollutant reduction. Polypyrrole (PPy) was synthesized in situ within the semi-interpenetrating alginate (Alg)/gelatin (Ge) network in presence of α-FeO as encapsulating matrix and inorganic filler, respectively. The polymeric matrix can act as bifunctional agent such as a binder and stabilizer to improve nanocatalyst stability while preserving their catalytic/magnetic performances.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!