Antimicrobial activities of silver nanoparticles bio-synthesized from diatom Amphora sp.

Tevan, Ramanathan and Govindaraju, M and Jayakumar, Saravanan and Govindan, Natanamurugaraj and Abd Rahim, Mohd Hasbi and Maniam, Gaanty Pragas and Ichwan, Solachuddin J. A. (2017) Antimicrobial activities of silver nanoparticles bio-synthesized from diatom Amphora sp. Journal of Engineering and Science Research, 1 (2). pp. 176-184. E-ISSN 2289-7127

PDF - Published Version Restricted to Registered users only Download (630kB) | Request a copy

Abstract

A biological method was employed to synthesize silver nanoparticles through marine diatom Amphora sp. Antimicrobial efficacy test against different pathogenic bacteria were performed through synthesized silver nanoparticles. The physio-chemical properties of synthesized silver nanoparticles were studied using analytical techniques such as UV-Vis spectrophotometer, Field Emission Scanning Electron Microscopy (FESEM), Energy- Dispersive X-ray Spectroscopy (EDX) and Fourier Transform Infrared Spectroscopy (FTIR) and X-ray Powder Diffraction (XRD). UV-Vis color intensity study and higher magnification of the Field Emission Scanning Electron Microscopy image showed the synthesized silver nanoparticles were rod shaped with a size range from 42 nm to 46 nm. The synthesized nanoparticles exhibited antibacterial activities in varying magnitudes. About 10 mg/ml of silver nanoparticles were able to inhibit the growth of gram-negative bacteria while gram-positive bacteria were resistant towards similar concentrations of silver nanoparticles.

Item Type:	Article (Journal)
Additional Information:	5731/66686
Uncontrolled Keywords:	Biosynthesis, Silver nanoparticles, Antimicrobial, Diatoms
Subjects:	R Medicine > RS Pharmacy and materia medica
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Dentistry Kulliyyah of Dentistry > Department of Fundamental Dental and Medical Sciences
Depositing User:	Dr. Solachuddin J.A. Ichwan
Date Deposited:	18 Oct 2018 09:53
Last Modified:	18 Oct 2018 10:02
URI:	http://irep.iium.edu.my/id/eprint/66686

Actions (login required)

View Item