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Multiplexed sandwich immunoassays using electrochemiluminescence imaging resolved at the single bead level

Deiss, Frédérique; LaFratta, Christopher N; Symer, Matthew; Blicharz, Timothy M; Sojic, Neso; Walt, David R
A new class of bead-based microarray that uses electrogenerated chemiluminescence (ECL) as a readout mechanism to detect multiple antigens simultaneously is presented. This platform demonstrates the possibility of performing highly multiplexed assays using ECL because all the individual sensing beads in the array are simultaneously imaged and individually resolved by ECL. Duplex and triplex assay results are demonstrated as well as a cross reactivity study.
PMCID:2711039
PMID: 19361216
ISSN: 1520-5126
CID: 5140752