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Intercalation of Ciprofloxacin in Naturally Occurring Smectite from Bana: Potentiality as Drug Delivery System and Antimicrobial Effects on <i>Escherichia coli</i>and <i>Staphylococcus aureus</i>
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作者 carine feudjio memenfo Nicolas Tabary +6 位作者 Jean Aimé Mbey Stéphanie Degoutin Frédéric Cazaux Maryse Bacquet Mickaël Maton Bernard Martel Daniel Njopwouo 《Journal of Materials Science and Chemical Engineering》 2021年第8期21-40,共20页
Ciprofloxacin (CFX) was loaded on Bana clay (Cameroon) and CFX loaded-clays have been evaluated as drug delivery system. Raw clays and CFX loaded compounds have been characterized by some physico-chemicals methods. &l... Ciprofloxacin (CFX) was loaded on Bana clay (Cameroon) and CFX loaded-clays have been evaluated as drug delivery system. Raw clays and CFX loaded compounds have been characterized by some physico-chemicals methods. <i>In vitro</i> release studies have been done in gastric and phosphate buffer experimental mediums;bacteriological studies have been made up on <i>Escherichia coli</i> and <i>Staphylococcus aureus</i>. X-ray diffractometry patterns of loaded compounds show a basal spacing increasing due to CFX intercalation. On Fourier-Transformed Infrared spectrometry spectra, appearance of CFX characteristic bands and shifting of certain bands already presents on clay confirmed CFX intercalation. After 96 h of CFX released from release mediums, prolonged and continue profiles have been observed. Diffusion tests displayed an inhibition radius of ~2 cm on gelose seeded with <i>Escherichia coli</i> and <i>Staphylococcus aureus</i> due to CFX. The overall results show a modified release of ciprofloxacin with an effective antibacterial activity, giving the way for a new ciprofloxacin drug delivery system using Bana clay as carrier. 展开更多
关键词 Antibacterial Effect Drug Delivery System Clay CIPROFLOXACIN INTERCALATION
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