HYDROXYL CAPPED SILVER-GOLD ALLOY NANOPARTICLES: CHARACTERIZATION AND THEIR COMBINATION EFFECT WITH DIFFERENT ANTIBIOTICS AGAINST STAPHYLOCOCCUS AUREUS

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BAHRAMI KATAYON; NAZARI PARDIS; NABAVI MAHSHID; GOLKAR MARJAN; ALMASIRAD ALI; SHAHVERDI AHMAD REZA

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Journal: NANOMEDICINE JOURNAL Year:2014 | Volume:1 | Issue:3 Page(s): 155-161

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Title

HYDROXYL CAPPED SILVER-GOLD ALLOY NANOPARTICLES: CHARACTERIZATION AND THEIR COMBINATION EFFECT WITH DIFFERENT ANTIBIOTICS AGAINST STAPHYLOCOCCUS AUREUS

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Keywords

ANTIBIOTIC RESISTANCE

GOLD-SILVER ALLOY NANOPARTICLES

STAPHYLOCOCCUS AUREUS

Abstract

Objective(s): Metal nanoparticles (NPs) offer a wide variety of potential applications in pharmaceutical sciences due to the unique advances in nanotechnology research. In this work, bimetal Ag-Au alloy NPs were prepared and their combinations with other antibiotics were tested against STAPHYLOCOCCUS AUREUS.Materials and Methods: Firstly, Ag-Au alloy NPs with Au/Ag molar ratio of 1: 1 was fabricated and was purified by agarose gel electrophoresis system. The morphology and size of the purified NPs were confirmed by transmission electron microscopy. Chemical composition and surface chemistry of these NPs were studied with atomic absorption spectophotometry and Fourier transforms infrared spectroscopy, respectively. The size of purified Ag-Au alloy NPs was less than 200 nm. Also the presence of organic compounds with a hydroxyl residue was detected on the surface of these purified NPs. In next step the effect of purified Ag-Au alloy NPs on the antibacterial activity of different antibiotics was evaluated at sub-inhibitory content (5 mg/disk) using disk diffusion method against S. aureus. Ag NPs and Au NPs were also tested at same content (5 mg) using mentioned method.Results: The most enhancing effect of Ag-Au alloy NPs was observed for penicillin G and piperacillin. No enhancing effects on the antibacterial activity of different antibiotics were observed at 5 mg/disk for the mono-metal nanoparticles (Ag NPs and Au NPs) against S. aureus.Conclusion: These results signify that the Ag-Au alloy NPs potentiates the antimicrobial action of certain antibiotics suggesting a possible utilization of this nano material in combination therapy against resistant S. aureus.

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APA: Copy

BAHRAMI, KATAYON, NAZARI, PARDIS, NABAVI, MAHSHID, GOLKAR, MARJAN, ALMASIRAD, ALI, & SHAHVERDI, AHMAD REZA. (2014). HYDROXYL CAPPED SILVER-GOLD ALLOY NANOPARTICLES: CHARACTERIZATION AND THEIR COMBINATION EFFECT WITH DIFFERENT ANTIBIOTICS AGAINST STAPHYLOCOCCUS AUREUS. NANOMEDICINE JOURNAL, 1(3), 155-161. SID. https://sid.ir/paper/341551/en

Vancouver: Copy

BAHRAMI KATAYON, NAZARI PARDIS, NABAVI MAHSHID, GOLKAR MARJAN, ALMASIRAD ALI, SHAHVERDI AHMAD REZA. HYDROXYL CAPPED SILVER-GOLD ALLOY NANOPARTICLES: CHARACTERIZATION AND THEIR COMBINATION EFFECT WITH DIFFERENT ANTIBIOTICS AGAINST STAPHYLOCOCCUS AUREUS. NANOMEDICINE JOURNAL[Internet]. 2014;1(3):155-161. Available from: https://sid.ir/paper/341551/en

IEEE: Copy

KATAYON BAHRAMI, PARDIS NAZARI, MAHSHID NABAVI, MARJAN GOLKAR, ALI ALMASIRAD, and AHMAD REZA SHAHVERDI, “HYDROXYL CAPPED SILVER-GOLD ALLOY NANOPARTICLES: CHARACTERIZATION AND THEIR COMBINATION EFFECT WITH DIFFERENT ANTIBIOTICS AGAINST STAPHYLOCOCCUS AUREUS,” NANOMEDICINE JOURNAL, vol. 1, no. 3, pp. 155–161, 2014, [Online]. Available: https://sid.ir/paper/341551/en

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