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Complutense University (Spain)

1 ARTICLES PUBLISHED IN JoVE

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Chemistry

Multiplexed Fluorescent Microarray for Human Salivary Protein Analysis Using Polymer Microspheres and Fiber-optic Bundles
Shuai Nie 1, Elena Benito-Peña 1,2, Huaibin Zhang 1, Yue Wu 3, David R. Walt 1
1Department of Chemistry, Tufts University, 2Department of Analytical Chemistry, Complutense University (Spain), 3Department of Electrical and Computer Engineering, Tufts University

We describe a procedure for profiling salivary proteins using multiplexed microsphere-based antibody arrays. Monoclonal antibodies were covalently linked to fluorescent dye-encoded 4.5 μm polymer microspheres using carbodiimide chemistry. The modified microspheres were deposited in fiber-optic microwells to measure protein levels in saliva using fluorescence sandwich immunoassays.

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