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Eggshell Membrane: a Natural Biotemplate to Synthesize Fluorescent Gold Nanoparticles

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Title Eggshell Membrane: a Natural Biotemplate to Synthesize Fluorescent Gold
Nanoparticles
 
Creator Parukuttyamma, Sujatha Devi
Banerjee, Suparna
Roy Chowdhury, Sebanti
Kumar, G Suresh
 
Subject Chemistry
 
Description In this article we report a simple, environmentally friendly, and naturally available protein based
biotemplate, viz. the chicken eggshell membrane, truly one of nature’s gifts, for preparing highly
fluorescent gold nanoparticles in solution at ambient conditions in a single step. We propose this as a
simple green method to prepare gold nanoparticles both in solution and on the membrane for various
applications. A stable colloidal solution of fluorescent Au nanoparticles has been formed in situ
during the reduction. The gold nanoparticles, consisting of sizes below 20 nm, were highly fluorescent
and exhibited intense blue emission around 437 ¡ 5 nm. Red emission around 630 ¡ 5 nm was also
observed for the solution. The novelty of this technique lies in the unique properties of this
membrane, such as high resistance to pH, safety in handling, and abundant availability in nature. The
most important feature of this method is the easy abundance of the source material, which enables
cost-effective preparation of gold nanoparticles. In addition to preparing nanoparticles of metals for
various applications, this could be used as a very simple method to recover precious metals from
chemical and industrial waste
 
Date 2012
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/1738/1/RSC_ADVANCES___2_(_30)_11578%2D11585;2012[167].pdf
Parukuttyamma, Sujatha Devi and Banerjee, Suparna and Roy Chowdhury, Sebanti and Kumar, G Suresh (2012) Eggshell Membrane: a Natural Biotemplate to Synthesize Fluorescent Gold Nanoparticles. RSC Advances, 2 (30). pp. 11578-11585.
 
Relation http://dx.doi.org//10.1039/c2ra21053c
http://www.eprints.iicb.res.in/1738/