A novel biomedical sensor for tumor marker based on Flexible supported solution gated graphene field effective transistor

Abstract

Graphene is a kind of two dimensional material. Great attentions have been paid on graphene based components due to its perfect and mysterious electronic characteristics. Flexible supported graphene field effective transistor (GFET) were prepared, solution gated by an Ag/AgCl reference electrode in the phosphate buffer solution (PBS) and applied in the label free detection of tumor marker which was alpha fetal protein (AFP) in this presented work. It is verified in this work that the flexible GFET would be a potential low cost solution for disposable medical components..