Preparation and Antibacterial Properties of Aminated Silver Nanoparticles

LIN Chunlei; LI Wenzhuo; LÜ Yakun; YANG Qizhen; MEI Lin

doi:10.6054/j.jscnun.2020006

Journal of South China Normal University (Natural Science Edition) > 2020 > 52(1): 30-35. > DOI: 10.6054/j.jscnun.2020006

LIN Chunlei, LI Wenzhuo, LÜ Yakun, YANG Qizhen, MEI Lin. Preparation and Antibacterial Properties of Aminated Silver Nanoparticles[J]. Journal of South China Normal University (Natural Science Edition), 2020, 52(1): 30-35. DOI: 10.6054/j.jscnun.2020006

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Preparation and Antibacterial Properties of Aminated Silver Nanoparticles

School of Material and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China

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Received Date: November 11, 2018
Available Online: March 21, 2021

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Abstract

Abstract

Aminated silver nanoparticles were prepared via surface-modification in situ, and the preparation conditions of nano silver were optimized. The nanoparticles were analyzed and characterized with UV-Vis spectroscopy, FT-IR spectrum, X-ray diffraction, Zeta potential and transmission electron microscopy. The antibacterial properties of nano silver were studied. It was found that the nanoparticles with positive charges could adsorb to negatively charged bacterial surface via electrostatic interaction and enhance bactericidal activity; aminated silver nanoparticles could efficiently inhibit the growth of Gram-positive and Gram-negative bacteria; and this kind of nanoparticles has a prospect of application in biomedical devices and antibacterial control systems.
- silver nanoparticles,
- surface-modification,
- bactericidal activity

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References

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