A Comparative Analysis of Green Synthesis Approach Starch Capped Metal Oxides (ZnO & CdO) Nanoparticles and its Bacterial Activity

被引：3
|
作者：
Vidhya, K. [1 ,2 ]
Devarajan, V. P. [2 ]
Viswanathan, C. [2 ]
Nataraj, D. [2 ]
Bhoopathi, G. [1 ]
机构：
[1] PSG Coll Arts & Sci, Dept Phys, Coimbatore 641014, Tamil Nadu, India
[2] Bharathiar Univ, Sch Phys Sci, Coimbatore 641014, Tamil Nadu, India
来源：
PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS & MATERIAL SCIENCE (RAM 2013) | 2013年 / 1536卷
关键词：
ZnO; CdO; Starch; Green technique and Bacterial activity;
D O I：
10.1063/1.4810184
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, we have investigated the bacterial activity of starch capped ZnO & CdO NPs. The NPs were prepared through green technique under room temperature and then obtained samples were characterized by using XRD and PL techniques. XRD pattern confirms the crystal nature it shows hexagonal structure for ZnO NPs and monoclinic structure for CdO NPs and their average particle size is +/- 20 nm. Further, the optical properties of NPs were investigated using PL technique in which the starch capped ZnO NPs shows maximum emission at 440 nm whereas starch capped CdO NPs shows maximum emission at 545 nm. Finally, toxic test was performed with E. coli bacteria and their results were investigated. Hence, starch capped ZnO NPs induced less killing effect when compared with starch capped CdO NPs. Therefore, we conclude that the starch capped ZnO NPs may be less toxic to microorganisms when compared with starch capped CdO NPs. In addition, starch capped ZnO NPs is also suitable for anti-microbial activity.
引用
收藏
页码：229 / +
页数：2
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