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Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Immunoassay for Human IgG Using Antibody-functionalized Silver Nanoparticles.


PMID 28993583

Abstract

A simple colorimetric immunoassay for quantification of human immunoglobulin G (hIgG) is herein described. The assay is based on the aggregation inhibition of silver nanoparticles (AgNP) functionalized with hIgG antibody (anti-hIgG) on the surface. The aggregation is measured in terms of attenuance values ratio at 400 and 530 nm (A