SERS Properties of Different Sized and Shaped Gold Nanoparticles Biosynthesized under Different Environmental Conditions by Neurospora crassa Extract
Publication Date
October 09, 2013
Journal
PLOS ONE
Authors
Katrin Quester, Miguel Avalos Borja, Alfredo Rafael Vilchis Nestor, Marco Antonio Camacho López, et al
Volume
8
Issue
10
Pages
e77486
DOI
https://dx.plos.org/10.1371/journal.pone.0077486
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0077486
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/24130891
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3793955
Europe PMC
http://europepmc.org/abstract/MED/24130891
Web of Science
000325810900140
Scopus
84885156703
Mendeley
http://www.mendeley.com/research/sers-properties-different-sized-shaped-gold-nanoparticles-biosynthesized-under-different-environment
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Mendeley | Further Information

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Scopus | Further Information

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/1230731"], "description"=>"<p>Raman spectra of MB (1), MB + fungal extract (2), MB + quasi-spherical AuNPs of 3 to 12 nm (3), MB + quasi-spherical AuNPs with some different shapes of 6 to 23 nm (4), and MB + different shaped gold nanoparticles with a broad size range (5).</p>", "links"=>[], "tags"=>[], "article_id"=>818572, "categories"=>["Uncategorised"], "users"=>["Katrin Quester", "Miguel Avalos-Borja", "Alfredo Rafael Vilchis-Nestor", "Marco Antonio Camacho-López", "Ernestina Castro-Longoria"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0077486.g003", "stats"=>{"downloads"=>0, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_SERS_/818572", "title"=>"SERS.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-10-09 03:21:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1230729"], "description"=>"<p>Representative EDS spectrum of synthesized gold nanoparticles. A: HADDF image of gold nanoparticles. B and C: lineal EDS spectrum.</p>", "links"=>[], "tags"=>[], "article_id"=>818570, "categories"=>["Uncategorised"], "users"=>["Katrin Quester", "Miguel Avalos-Borja", "Alfredo Rafael Vilchis-Nestor", "Marco Antonio Camacho-López", "Ernestina Castro-Longoria"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0077486.g002", "stats"=>{"downloads"=>1, "page_views"=>23, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_EDS_spectrum_/818570", "title"=>"EDS spectrum.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-10-09 03:21:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1230742", "https://ndownloader.figshare.com/files/1230743"], "description"=>"<div><p>Surface-enhanced Raman scattering (SERS) is a surface-sensitive technique that enhances Raman scattering by molecules adsorbed on rough metal surfaces. It is known that metal nanoparticles, especially gold and silver nanoparticles, exhibit great SERS properties, which make them very attractive for the development of biosensors and biocatalysts. On the other hand, the development of ecofriendly methods for the synthesis of metallic nanostructures has become the focus of research in several countries, and many microorganisms and plants have already been used to biosynthesize metallic nanostructures. However, the majority of these are pathogenic to plants or humans. Here, we report gold nanoparticles with good SERS properties, biosynthesized by <i>Neurospora crassa</i> extract under different environmental conditions, increasing Raman signals up to 40 times using methylene blue as a target molecule. Incubation of tetrachloroauric acid solution with the fungal extract at 60°C and a pH value of a) 3, b) 5.5, and c) 10 resulted in the formation of gold nanoparticles of a) different shapes like triangles, hexagons, pentagons etc. in a broad size range of about 10-200 nm, b) mostly quasi-spheres with some different shapes in a main size range of 6-23 nm, and c) only quasi-spheres of 3-12 nm. Analyses included TEM, HRTEM, and EDS in order to corroborate the shape and the elemental character of the gold nanoparticles, respectively. The results presented here show that these ‘green’ synthesized gold nanoparticles might have potential applicability in the field of biological sensing.</p> </div>", "links"=>[], "tags"=>["sers", "sized", "shaped", "nanoparticles", "biosynthesized", "extract"], "article_id"=>818575, "categories"=>["Uncategorised"], "users"=>["Katrin Quester", "Miguel Avalos-Borja", "Alfredo Rafael Vilchis-Nestor", "Marco Antonio Camacho-López", "Ernestina Castro-Longoria"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0077486.s001", "https://dx.doi.org/10.1371/journal.pone.0077486.s002"], "stats"=>{"downloads"=>4, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/SERS_Properties_of_Different_Sized_and_Shaped_Gold_Nanoparticles_Biosynthesized_under_Different_Environmental_Conditions_by_Neurospora_crassa_Extract/818575", "title"=>"SERS Properties of Different Sized and Shaped Gold Nanoparticles Biosynthesized under Different Environmental Conditions by <i>Neurospora crassa</i> Extract", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2013-10-09 03:21:44"}

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Relative Metric

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