Document Detail


Synthesis of biologically stable gold nanoparticles using imidazolium-based amino acid ionic liquids.
MedLine Citation:
PMID:  22209864     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A novel double-step reduction procedure for the synthesis of gold nanoparticles (AuNPs) using amino acid ionic liquids has been employed. 1-Dodecyl-3-methyl imidazolium tryptophan ([C(12)mim]Trp) and 1-ethyl-3-methyl imidazolium tryptophan ([C(2)mim]Trp) were used for this synthesis. The synthesized AuNPs were characterized by UV-vis spectroscopy, transmission electron microscopy and dynamic light scattering. The behavior of these AuNPs were also probed in a biological media. It was proven that AuNPs synthesized at [C(12)mim]Trp have more stability than AuNPs synthesized at [C(2)mim]Trp due to the longer alkyl chain of the imidazolium moiety. The solubility test shows that the resultant AuNPs have a hydrophilic nature. Finally, it was seen that due to the presence of a biomolecule, namely Trp, in the structure of AuNPs protecting shell, higher stability and biocompatibility was achieved in the biological media.
Authors:
Afsaneh Safavi; Sedigheh Zeinali; Mahdieh Yazdani
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-31
Journal Detail:
Title:  Amino acids     Volume:  -     ISSN:  1438-2199     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2012-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9200312     Medline TA:  Amino Acids     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry, College of Science, Shiraz University, Shiraz, 71454, Fars, Iran, safavi@chem.susc.ac.ir.
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