Glucosamine functionalized copper nanoparticles: Preparation, characterization and enhancement of anti-bacterial activity by ultraviolet irradiation
作者： Murugan Veerapandian , Sathya Sadhasivam , Joonho Choi , Kyusik Yun
DOI: 10.1016/J.CEJ.2012.08.054
关键词:
摘要: Abstract Glucosamine functionalized copper nanoparticles (GlcN-Cu NPs) were synthesized for anti-bacterial function. Electron microscopic characterization revealed the hybrid morphology, selected-area electron diffraction pattern and elemental mapping of GlcN-Cu NPs. Average particle size distribution was 93 ± 8 nm. GlcN functionalization allowed significant shift in ultraviolet (UV)-visible absorbance at 525 nm fluorescent emission wavelength approximately 353 nm Cu Stretching bending vibrations from Fourier transform-infrared Raman analysis ensured on We demonstrated enhanced property NPs against two Gram-negative Gram-positive bacterial strains by UV irradiation prepared materials 10 20 min. Minimum inhibitory concentration (MIC) determinations that irradiated possessed activity than simple NPs, metal salt standard anti-biotic kanamycin. MIC 4 μg/mL Escherichia coli 8 μg/mL Salmonella typhimurium, Enterococcus faecalis Bacillus subtilis, confirming its potential as an anti-infective agent protection medical instruments, water treatment food processing.
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