Subbiah Alwarappan
CSIR-Central Electrochemical Research Institute, India
Title: The usefulness of graphene for bio-sensing applications
Biography
Biography: Subbiah Alwarappan
Abstract
Biosensors are often employed for the quantification of biological/biochemical process and thereby, they find potential application in medical diagnostics and in biotechnology. Biosensors are analytical devices that essentially incorporates bio-recognition element such as antibodies, enzymes, organelles, cell-receptors, nucleic acids and engineered proteins. In electrochemical biosensors, these bio-recognition elements are integrated with electrochemical transduction system. Recent advancements in the development of nanomaterials such as graphene opened up the route for constructing novel electrochemical transduction platforms for a variety of bio-sensing applications. The advantages of graphene include high surface area, excellent mechanical strength, high elasticity, tunable band-gap and high electron mobility. Further, the proposed graphene based electrochemical biosensors offers excellent sensitivity, selectivity, rapid response time, high signal-to-noise ratio and the possibility of multiplexed detection. In this presentation, the usefulness of graphene as the transducer platform for a variety of electrochemical bio-sensing applications such as neurotransmitters detection, biomarkers detection and DNA mutation analysis will be discussed.