2014
DOI: 10.1039/c4ra01428f
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Synthesis of carbohydrate polymer encrusted gold nanoparticles using bacterial exopolysaccharide: a novel and greener approach

Abstract: A novel report on synthesis of gold nanoparticles using bacterial exopolysaccharide and synthesized nanocrystals (5–20 nm) capped with polysaccharide layer.

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Cited by 72 publications
(48 citation statements)
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“…The C-C aromatics stretch is observed for both spectra at the region of 1500-1400 cm −1 which is relevant to the aromatic backbone that can be found mainly in the pericarp of G. mangostana. Finally, C-O-C stretch can be found in the range of 1300-1000 cm −1 where shifting occurs from 1279 cm −1 to 1234 cm −1 after capping with Au-NPs [37]. All the above results are matching with xanthone [38], flavonoids [26], Journal of Nanomaterials Journal of Nanomaterials and other compounds that derived from the pericarp of G. mangostana as shown in Figure 7 suggesting that they are involved closely in the reduction and stabilization of HAuCl 4 to Au-NPs where the presence of oxygen atoms helped in absorption of compounds on Au-NPs [24,39,40].…”
Section: Fourier Transform Infrared Spectroscopy Studymentioning
confidence: 95%
“…The C-C aromatics stretch is observed for both spectra at the region of 1500-1400 cm −1 which is relevant to the aromatic backbone that can be found mainly in the pericarp of G. mangostana. Finally, C-O-C stretch can be found in the range of 1300-1000 cm −1 where shifting occurs from 1279 cm −1 to 1234 cm −1 after capping with Au-NPs [37]. All the above results are matching with xanthone [38], flavonoids [26], Journal of Nanomaterials Journal of Nanomaterials and other compounds that derived from the pericarp of G. mangostana as shown in Figure 7 suggesting that they are involved closely in the reduction and stabilization of HAuCl 4 to Au-NPs where the presence of oxygen atoms helped in absorption of compounds on Au-NPs [24,39,40].…”
Section: Fourier Transform Infrared Spectroscopy Studymentioning
confidence: 95%
“…The carbohydrate content seems to be higher than other biomolecules. 42 The 1-D 1 H NMR spectrum was obtained to identify the possible monosaccharide units present in the EPS. 5).…”
Section: Characterization Of Epsmentioning
confidence: 99%
“…The type and concentration of polysaccharide used for reducing/ stabilizing the NPs play an important role in determining the diameter of the final synthesized particles that can also avoid the aggregation of the NPs. AuNPs stabilized by other polysaccharides such as chitosan, bacterial polysaccharides alginate, or carrageenan have also been evaluated as antimicrobial agents for the treatment of bacterial infections [53,54].…”
Section: Antimicrobial Properties Of Aunpsmentioning
confidence: 99%
“…The ESP mediated synthesized AuNPs has been reported as a green and safe alternative method to chemical route for the synthesizing of AuNPs [53]. As shown in Fig.…”
Section: Antimicrobial Properties Of Aunpsmentioning
confidence: 99%
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