期刊
JOURNAL OF NANOMATERIALS
卷 2017, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2017/9703614
关键词
-
资金
- National Natural Science Foundation of China [31300045, 41506148]
- Key research and development program of Shandong Province [2016GSF121018]
- Shandong Excellent Young Scientist Award Fund [BS2015HZ005]
- A Project of Shandong Province Higher Educational Science and Technology Program [YE13]
- Foundation of University of Jinan [XKY1324, XBS1422]
Silver nanoparticles (AgNPs) were rapidly synthesized using an exopolysaccharide from Arthrobacter sp. B4 (B4-EPS). The optimum condition for AgNPs synthesis was under the concentration of 5 g/L B4-EPS and 1mM AgNO3 at 80 degrees C between pH 7.0 and 8.0. The resulting AgNPs displayed a face-centred-cubic structure with the size range from 9nm to 72 nm. Further analysis showed that flocculation and reduction of B4-EPS played a pivotal role in the formation of AgNPs. Furthermore, these nanoparticles exhibited great stability, excellent antimicrobial activity, and low phytotoxicity. The aforementioned data provide a feasible and efficient approach for green synthesis of AgNPs using microbial polysaccharides with flocculation and reduction activity, which will be promising in medical filed.
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