Highly precise plasmonic and colorimetric sensor based on enzymatic etching of nanospheres for the detection of blood and urinary glucose

Abstract

A highly precise glucose sensor was developed based on plasmon peak shift induced by glucose oxidase mediated etching of Au-Ag nanoparticles. The present platform enabled quantitative glucose detection in human blood and urine samples owing to its excellent colloidal stability and little interference from UV-vis absorption of biological samples © The Royal Society of Chemistry 2015