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Войти в исследования European review for medical and pharmacological sciences · 2021
Effect of silver nanoparticles on the antibacterial activity of Levofloxacin against methicillin-resistant Staphylococcus aureus.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Saadh M J
Аннотация
OBJECTIVE: The paper presents the antibacterial activity of silver nanoparticles (AgNPs) when conjugated with Levofloxacin. The AgNPs used in this study were synthesized from silver nitrate using sodium borohydride as a reducing agent.
MATERIALS AND METHODS: Levofloxacin activity was determined by minimum inhibitory concentrations (MICs) and also the erythrocyte hemolytic assay determined the capability of conjugation to cause hemolysis in human erythrocyte.
RESULTS: The synthesis of levofloxacin-AgNP conjugates was confirmed by ultraviolet/visible (UV/vis) spectroscopy. A peak absorption value between 400-450 nm for the extract and the color change to dark brown were corresponding to the plasmon absorbance of AgNPs. On the other hand, levofloxacin-AgNPs could be effective against methicillin-resistant Staphylococcus aureus (MRSA). The MICs of levofloxacin and levofloxacin-AgNPs were 12 and 10 µM, respectively.
CONCLUSIONS: These findings indicated that levofloxacin-AgNPs had an effective bactericidal activity against the bacterial MRSAs. This conjugation appeared to inhibit bacterial adaptive capabilities, which leads to inhibition of bacterial resistance.
MATERIALS AND METHODS: Levofloxacin activity was determined by minimum inhibitory concentrations (MICs) and also the erythrocyte hemolytic assay determined the capability of conjugation to cause hemolysis in human erythrocyte.
RESULTS: The synthesis of levofloxacin-AgNP conjugates was confirmed by ultraviolet/visible (UV/vis) spectroscopy. A peak absorption value between 400-450 nm for the extract and the color change to dark brown were corresponding to the plasmon absorbance of AgNPs. On the other hand, levofloxacin-AgNPs could be effective against methicillin-resistant Staphylococcus aureus (MRSA). The MICs of levofloxacin and levofloxacin-AgNPs were 12 and 10 µM, respectively.
CONCLUSIONS: These findings indicated that levofloxacin-AgNPs had an effective bactericidal activity against the bacterial MRSAs. This conjugation appeared to inhibit bacterial adaptive capabilities, which leads to inhibition of bacterial resistance.