Glucosamine-functionalized silver glyconanoparticles: characterization and antibacterial activity

Analytical and Bioanalytical Chemistry
Murugan VeerapandianKyusik S Yun

Abstract

We report the analytical and in vitro antibacterial activity of glucosamine-functionalized silver glyconanoparticles. Morphological characterization ensured the surface topography and particle size distribution of both silver and glucosamine-silver nanoparticles. Surface plasmon resonance of both types of nanoparticle was determined from UV-visible spectroscopy using four different sample concentrations (10-40 μL). The resulting functionalized glyconanoparticles show maximum absorbance with a red shift of 30 ± 5 nm (390-400 nm) from their initial absorbance (425-430 nm). FT-Raman and (1)H-NMR spectroscopic measurement confirmed the surface functionalization of glucosamine on the silver surface through the carbonyl group of a secondary amide linkage (-NH-CO-), elucidated by the conjugation of N-hydroxysuccinimide (NHS)-terminated silver nanoparticles and the amino group of glucosamine. Antimicrobial experiments with well-characterized silver nanoparticles (AgNPs) and glucosamine-functionalized silver nanoparticles (GlcN-AgNPs) demonstrate that GlcN-AgNPs have similar and enhanced minimum inhibitory concentration (MIC) against eight gram-negative and eight gram-positive bacteria compared with AgNPs. MIC data shows that Klebsiella...Continue Reading

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Citations

Feb 22, 2011·Analytical and Bioanalytical Chemistry·Ramesh P SubbiahKyusik Yun
Apr 28, 2011·Applied Microbiology and Biotechnology·Murugan Veerapandian, Kyusik Yun
Jun 9, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Murugan VeerapandianMin-Ho Lee
Dec 28, 2012·International Journal of Nanomedicine·Murugan VeerapandianMin-Ho Lee
May 21, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Gianluigi FranciMassimiliano Galdiero
May 10, 2017·ACS Applied Materials & Interfaces·Qianqian GuoChaoxing Li
Jun 21, 2018·The Analyst·Amir GhasemiMichael R Hamblin
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Mar 7, 2019·Journal of Materials Science. Materials in Medicine·Qianqian GuoXiangchun Shen
Aug 7, 2019·Current Drug Metabolism·Ayse Basak Engin, Atilla Engin
Oct 28, 2019·Biomaterials Science·Irawan Pramudya, Hoyong Chung
Jan 28, 2015·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Murugan VeerapandianSuzanne Giasson
Jul 16, 2021·Carbohydrate Research·Rituparna Das, Balaram Mukhopadhyay

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