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J. Trop. Resour. Sustain. Sci. 6 (2018) 41-44

Facile preparation of graphene oxide silver aerogel for antibacterial

Anamt Mohamed Noor1*, Nurul Farah Amanina Yusoff1, Huang Nay Ming2, Zulhisyam Abdul Kari3, Mohammad Khairul Azhar Abdul Razab4, Muhammad Hafiz Abu Bakar5, Lee Seong Wei3, Nor Hakimin Abdullah1

1Advanced Materials Research Cluster, Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
2Faculty of Engineering, Xiamen University of Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor, Malaysia
3Faculty of Agro Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
4School of Health Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
5Wireless and Photonics Networks Research Center, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

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Abstract :

We report a simple and straightforward method for the preparation of graphene oxide-silver aerogel (GOAg) via microwave irradiation. Graphene oxide (GO) was used as a substrate for the growth of silver nanoparticles (AgNPs) and silver complex was used as a precursor. The GOAg were prepared by rapidly expose mixture of GO and silver complexes with microwave for 30 s under an ambient atmosphere. For the nanocomposites, GOAg solution were lyophilized in a freeze-dryer for 24 hours to form an aerogel. The obtained GO and GOAg nanocomposites were characterized by X-ray diffractometer (XRD) and Ultraviolet-visible spectroscopy (UV-Vis). XRD confirmed the formation GO, and GOAg while GOAg display antibacterial properties against Methicillin-resistant Staphylococcus aureus (MRSA) and Aeromonas hydrophila bacteria. We demonstrate a cost effective and easy synthesis of a GOAg with promising antibacterial properties.

Keywords : Graphene-metal oxide,Nanocomposites,Antibacterial