Antibacterial effects of green laser in vicinity of silver nanoparticles on methicillin-resistant staphylococcus aureus (MRSA)
Publish place: The International Journal of Biophotonics and Biomedical Engineering، Vol: 1، Issue: 1
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIBBO-1-1_002
تاریخ نمایه سازی: 9 بهمن 1401
Abstract:
Methicillin-resistant Staphylococcus aureus (MRSA) is a type of staph bacteria that is resistant to most of the available antibiotics. So different methods have been introduced to overcome this great threat to public health. Photoactivated metal nanoparticles have been presented as good alternatives to antibiotics. In this paper, S. aureus ATCC ۳۳۵۹۱ as reference strains and clinical MRSA bacteria, isolated from wounds of burn patients, was used. After identification of the bacteria and testing its antibiotic susceptibility, the minimum inhibitory concentration test was performed to study the antibacterial effect of Ag-NPs on MRSA. Our results showed that the bacterial colony population of both samples of S. aureus strains was reduced significantly in the presence of Ag-NPs. The antibacterial effect was enhanced by utilizing a green laser. Interestingly, the bacterial growth has completely inhibited after ۲ minutes of laser irradiation in the BHI agar medium. Also, in the nutrient agar medium and Müller-Hinton agar medium, significant synergistic bacterial suppression has been observed by combination the antibacterial effects of the laser and the Ag-Nps.
Keywords:
Antibacterial activity , Green laser , Methicillin-resistant S. aureus (MRSA) , Oxygen species , silver nanoparticles
Authors
Maliheh Ranjbaran
Department of physics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Zahra Aghaebrahimi
Department of Physics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Jamshid Sabaghzadeh
Department of Physics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
zohreh daraeizadeh
Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
arash abednezhad
Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
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