LSPR properties of bioconjugated gold nanoparticles are exploited in realizing evanescent wave absorbance based fiber optic sandwich immunosensor. In addition, a method to amplify the sensor response by about 2-5 times by using high refractive index medium around nanoparticle labels is demonstrated. Â© OSA 2014.

Sai V V Raghavendra

Department of Applied Mechanics

Ramakrishna B

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

Journal	International Conference on Fibre Optics and Photonics, 2014
Publisher	OSA
Open Access	No