Acetonitrile (HPLC grade), monobasic potassium phosphate, and phosphoric acid (high grade) were purchased from Sigma-Aldrich, Germany. Gemifloxacin Mesylate standard was obtained from Sigma Pharmaceutical Company (Cairo, Egypt). Gemifloxacin Mesylate pharmaceutical preparations (Quinabiotic®, Utopia) were purchased from the Egyptian market.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.