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For several decades antimicrobial resistance has been a growing threat to the effective treatment of infections, so it is necessary to focus on a rational and effective use of the antibiotics already available. The development of new materials for controlled release of drug is a topic of high priority. Vancomycin (VAN) is a glycopeptide antibiotic used to treat infections caused by gram positive bacteria,...
Methylene blue (MB) was adsorbed from aqueous solutions onto a kaolinite and four soil samples to determine the effects of MB dimerization on the measured surface area. Adsorption isotherms were prepared using four adsorbing solutions containing, respectively, 9, 46, 71, and 83% of MB molecules in the dimeric state. Langmuir-type isotherms were obtained in each case. The results indicate that equilibration...
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