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dc.contributor.authorHadibarata, Tony
dc.contributor.authorSyafiuddin, A.
dc.contributor.authorSalmiati, S.
dc.contributor.authorSalim, M.
dc.contributor.authorKueh, A.
dc.contributor.authorSari, A.
dc.date.accessioned2018-01-30T08:03:44Z
dc.date.available2018-01-30T08:03:44Z
dc.date.created2018-01-30T05:59:14Z
dc.date.issued2017
dc.identifier.citationHadibarata, T. and Syafiuddin, A. and Salmiati, S. and Salim, M. and Kueh, A. and Sari, A. 2017. A Purely Green Synthesis of Silver Nanoparticles using Carica papaya, Manihot esculenta and Morinda citrifolia: Synthesis and Antibacterial Evaluations. Bioprocess and Biosystems Engineering. 40 (9): pp. 1349-1361.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/61135
dc.identifier.doi10.1007/s00449-017-1793-z
dc.description.abstract

Green procedure for synthesizing silver nanoparticles (AgNPs) is currently considered due to its economy and toxic-free effects. Several existing works on synthesizing AgNPs using leaves extract still involve the use of physical or mechanical treatment such as heating or stirring, which consume a lot of energy. To extend and explore the green extraction philosophy, we report here the synthesis and antibacterial evaluations of a purely green procedure to synthesize AgNPs using Carica papaya, Manihot esculenta, and Morinda citrifolia leaves extract without the aforementioned additional treatment. The produced AgNPs were characterized using the ultraviolet–visible spectroscopy, field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, and antibacterial investigations. For antibacterial tests, two bacteria namely Escherichia coli and Bacillus cereus were selected. The presently employed method has successfully produced spherical AgNPs having sizes ranging from 9 to 69 nm, with plasmonic characteristics ranging from 356 to 485 nm, and energy-dispersive X-ray peak at approximately 3 keV. In addition, the smallest particles can be produced when Manihot esculenta leaves extract was applied. Moreover, this study also confirmed that both the leaves and synthesized AgNPs exhibit the antibacterial capability, depending on their concentration and the bacteria type.

dc.titleA Purely Green Synthesis of Silver Nanoparticles using Carica papaya, Manihot esculenta and Morinda citrifolia: Synthesis and Antibacterial Evaluations.
dc.typeJournal Article
dcterms.source.volume40
dcterms.source.number9
dcterms.source.startPage1349
dcterms.source.endPage1361
dcterms.source.issn1615-7591
dcterms.source.titleBioprocess and Biosystems Engineering
curtin.departmentCurtin Malaysia
curtin.accessStatusOpen access


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