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Performance of aAb2−AuNP−HRP tag compared with a Ab2−HRP label on the sensing array with the same detection conditions. Signal and noise are the CL intensities obtained from the immunoassay in the presence and absence of 0.1 ng mL−1 CEA. Results are expressed as the average of three independent experiments. Reproduced from ref. [145] with the permission from ACS.
