Nanoscience has been the subject of substantial research in recent years. It has been explored by researchers in various fields of science and technology (Kholoud et al. 2010). The novel properties of NPs have been exploited in a wide range of potential applications such as in medicine, cosmetics, renewable energies, environmental remediation, biomedical devices (Quang Huy, 2013), electronics, optics, organic catalysis, vector control, sensor, etc., have drawn extensive attention to this field of study (Mousavand et al. 2007). Among the metals, silver nanoparticles have shown potential applications in various fields such as the environment, bio-medicine, catalysis, optics and electronics (Rao et al., 2000). Silver nanoparticles are mostly smaller than 100 nm and consist about 20–15,000 silver atoms. In its nanoscale form, silver exhibits unique physicochemical and biological activities. This has made them useful as sensor, vector control, antimicrobial, anticancer, and antiplasmodial agents, catalysts, among others (Elemike et al. 2014; Vinod et al. 2014; Kathiravan et al. 2014; Saraschandra and Sivakumar 2014; Namita and Soam 2014).
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