Sensitive label-free immunoassay of carcinoembryonic antigen based on Au-TiO2 hybrid nanocomposite film.

Abstract

In this paper, a new nanostructured Au-TiO(2) particle was synthesised and employed for the construction of a label-free amperometric immunosensor for carcinoembryonic antigen (CEA) determination. The spherical Au-TiO(2) nanoparticles provided a good microenvironment for the immobilization of biomolecules, enhanced the surface coverage of protein, had large… (More)
DOI: 10.1016/j.jcis.2010.04.012

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