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Sucrose ester micellar-mediated synthesis of Ag nanoparticles and the antibacterial properties


Huang, Nay Ming and Lim, Hong Ngee and Radiman, Shahidan and Khiew, Poi Sim and Chiu, Wee Siong and Hashim, Rauzah and Chia, Chin Hua (2010) Sucrose ester micellar-mediated synthesis of Ag nanoparticles and the antibacterial properties. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 353 (1). pp. 69-76. ISSN 0927-7757; ESSN: 1873-4359


Ag nanoparticles with diameter in the range of 10–25 nm had been synthesized using a simple sucrose ester micellar-mediated method. Ag nanoparticles were formed by adding AgNO3 solution into the sucrose ester micellar solution containing sodium hydroxide at atmospheric condition after 24 h of aging time. Trace amount of dimethyl formamide (DMF) in the sucrose ester solution served as a reducing agent while NaOH acted as a catalyst. The produced Ag nanoparticles were highly stable in the sucrose ester micellar system as there was no precipitation after 6 months of storage. The as-synthesized Ag nanoparticles were characterized using transmission electron microscope (TEM), X-ray diffractometer (XRD), dynamic light scattering (DLS) and UV–vis spectroscopy (UV–vis). Formation mechanism of Ag nanoparticles in the micellar-mediated synthesis is postulated. The antibacterial properties of the Ag nanoparticles were tested against Methicillin-resistant Staphylococcus aureus (MRSA) (Gram-positive) and Aeromonas hydrophila (Gram-negative) bacteria. This work provides a simple and “green” method for the synthesis of highly stable Ag nanoparticles in aqueous solution with promising antibacterial property.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1016/j.colsurfa.2009.10.023
Publisher: Elsevier
Keywords: Micellar; Nanoparticles; Silver; Sucrose ester
Depositing User: Nur Farahin Ramli
Date Deposited: 25 Nov 2013 04:11
Last Modified: 21 Mar 2016 11:20
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.colsurfa.2009.10.023
URI: http://psasir.upm.edu.my/id/eprint/25246
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