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Updated: Jul 29, 2026

Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis
Published on: March 7, 2018
Immunostick colorimetric assay for highly sensitive detection of food allergens by bio-nanocapsule-scaffolding
Yuto Sasamura1,2, Seri Yamamoto2, Akiko Tanabe2
1Department of Nutritional Science and Food Safety, Graduate School of Applied Bioscience, Graduate School of Tokyo University of Agriculture, Setagaya, Tokyo, Japan.
Abstract:
The detection sensitivity of immunostick colorimetric assay has been increased by using a bio-nanocapsule as a scaffold for oriented immobilization of immunoglobulin Gs. This immunostick produced ∼82-folds stronger coloration in the detection of food allergens and reduced detection time by a factor of 5.
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