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Citation: GUO Qiulan, GUO Qingquan, LUO Ruhong, TAN Dicong, LAI Xiangfeng, GUO Shaofeng. Biosynthesis of Gold Nanoparticles Using Vine Tea Powder Extracts[J]. Chinese Journal of Applied Chemistry, ;2014, 31(7): 841-846. doi: 10.3724/SP.J.1095.2014.30292 shu

Biosynthesis of Gold Nanoparticles Using Vine Tea Powder Extracts

1.
Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China

Corresponding author: GUO Qingquan,
Received Date: 9 June 2013
Available Online: 14 October 2013
Fund Project: 广东省部产学研合作项目(2012B091100187) (2012B091100187)广东省科技计划项目(2010B030700072) (2010B030700072)广东省大学生创新创业训练计划项目(1184512065) (1184512065)

Gold nanoparticles were prepared by a bioreduction of chloroauric acid with vine tea powder extracts,and characterized by UV-Vis,TEM and size distribution.The process of biosynthesis was investigated by control variate method.The results show that pH of the reaction solution,temperature and the quantities of the chloroauric acid all have significant effects on the particle size,size distribution,morphology and stability of gold nanoparticles.At pH >6.47 or in the presence of excess vine tea powder extracts,gold nanoparticles tend to agglomerate and the size of gold nanoparticles increases with the temperature increasing.Therefore,an effective controllable green synthesis of gold nanoparticles can be realized by control variate method.
- gold nanoparticles,
- vine tea powder extracts,
- bioreduction
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