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Article | REF: P156 V1

Electrochemiluminescence : a powerful method for bioanalysis

Authors: Laurent BOUFFIER, Stéphane ARBAULT, Alexander KUHN, Neso SOJIC

Publication date: May 10, 2018

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1. ECL-based immunoassays

High-energy electron transfer reactions initiated at the surface of electrodes can lead to a light emission in solution called ECL. . The excited state of the phosphor is produced following a cascade of reactions triggered by an initial electrochemical step (figure 1 ). It returns to the ground state by emitting a photon, and the resulting luminous intensity constitutes the analytical signal.

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