Cost effective chemosensors were developed from green synthesized silver nanoparticles using Leucas indica and were characterized with surface Plasmon Resonance (SPR) UV Spectrometry. The sensitivity and selectivity of green synthesized silver nanoparticles towards transition metal ions and alkaline earth metals were studied. Applications such as antimicrobial activity and the ability of formed stable nanoparticle to act as chemosensors are also studied. UV studies confirmed the presence of silver nanoparticles by their characteristic peak in range of 436-446nm. Ag NPs also showed antimicrobial activities with gram negative (Escherichia coli) microorganisms.
Nayana Krishna, Nandakumar G., Neethu T S, Rini John, Sudheesh. R. Babu, and Dr. Smitha Chandran S., “One Pot Green Synthesis of Silver Nanoparticles with Multiple Applications”, Materials Today: Proceedings, vol. 5, pp. 20567–20571, 2018.