期刊
MATERIALS TODAY-PROCEEDINGS
卷 5, 期 -, 页码 S160-S165出版社
ELSEVIER
DOI: 10.1016/j.matpr.2018.08.059
关键词
Gallic acid; graphene oxide; anti-bacterial; Staphylococcus aureus
资金
- Universiti Putra Malaysia (GP-IPM)
Staphylococcus aureus (SA) is the most common occurring bacterial pathogen that caused skin and soft tissue infections. However, the emergence of multi-drug resistant strains such as methicillin-resistant SA (MRSA) compromises therapy and poses a serious challenge to human health. Therefore, the need to develop alternative novel anti-bacterial agents is crucial. Nanomaterials are alternatives to treating and mitigating infections caused by resistant bacteria as bacteria are unlikely to develop resistance towards nanomaterials. In the present study, we have incorporated gallic acid (GA), a bioactive compound onto graphene oxide (GO), with a view to enhance the anti-bacterial potential of GA. Gallic acid loaded graphene oxide based nanoformulation (GAGO) has the capability to load GA at 76.08 +/- 6.823%, resulting in a GA loading of 0.942 +/- 0.002 g/g of GAGO. The GAGO was further characterized using techniques such as FT-IR spectroscopy and scanning electron microscopy (SEM). The anti-bacterial activity of GAGO was evaluated by disc-diffusion method using both MRSA and methicillin-sensitive SA (MSSA) at concentrations of 50-500 mu g/mL for 18 h. The anti-bacterial activity of GA against MRSA increased significantly at lower concentration when loaded onto GAGO nanoformulation. Fundamentally, the results obtained highlighted the potential development of GAGO as anti-bacterial agent against multi-drug resistant bacteria. (C) 2018 The Author(s). Published by Elsevier Ltd.
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