Antibacterial Properties of Novel Bacterial Cellulose Nanofiber Containing Silver Nanoparticles

杨加志; 刘晓丽; 黄立勇; 孙东平

doi:10.1016/S1004-9541(13)60636-9

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Antibacterial Properties of Novel Bacterial Cellulose Nanofiber Containing Silver Nanoparticles

材料与产品工程 | Updated：2026-01-06

- Antibacterial Properties of Novel Bacterial Cellulose Nanofiber Containing Silver Nanoparticles
- Chinese Journal of Chemical Engineering Vol. 21, Issue 12, Pages: 1419-14241004-954160636-9(2013)
- Affiliations：
  
  1. 2 State Key Laboratory of Bioelectronics, School of Biological and Medical Engineering, Southeast University,Nanjing,China,210096
  2. 3 Taixing Yulang Chemical Co., Ltd.
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60636-9
  CLC：
- Published：2013
- Accepted：
Scan QR Code
YANG Jiazhi, LIU Xiaoli, HUANG Liyong, SUN Dongping. Antibacterial Properties of Novel Bacterial Cellulose Nanofiber Containing Silver Nanoparticles[J]. Chin.J.Chem.Eng., 2013, 21(12): 1419-1424.
DOI：

YANG Jiazhi, LIU Xiaoli, HUANG Liyong, SUN Dongping. Antibacterial Properties of Novel Bacterial Cellulose Nanofiber Containing Silver Nanoparticles[J]. Chin.J.Chem.Eng., 2013, 21(12): 1419-1424. DOI： 10.1016/S1004-9541(13)60636-9.

摘要

Abstract

In this work

we describe a novel facile method to prepare long one-dimensional hybrid nanofibers by using hydrated bacterial cellulose nanofibers (BCF) as a template. Silver (Ag) nanoparticles with an average diameter of 1.5 nm were well dispersed on BCF via a simple in situ chemical-reduction between AgNO

and NaBH

at a relatively low temperature. A growth mechanism is proposed that Ag nanoparticles are uniformly anchored onto BCF by coordination with BC-containing hydroxyl groups. The bare BCF and as-prepared Ag/BCF hybrid nanofibers were characterized by several techniques including transmission electron microscopy

X-ray diffraction

thermogravimetric analyses

and ultraviolet-visible (UV-Vis) absorption spectra. The antibacterial properties of Ag/BCF hybrid nanofibers against Escherichia coli (E. coli

Gram-negative) and Staphylococcu saureus (S. saureus

Gram-positive) bacteria were evaluated by using modified Kirby Bauer method and colony forming count method. The results show that Ag nanoparticles are well dispersed on BCF surface via in situ chemical-reduction. The Ag/BCF hybrid nanofiber presents strong antibacterial property and thus offers its candidature for use as functional antimicrobial agents.

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