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Electrochemiluminescence (ECL) is a widely used analytical technique with the advantages of high sensitivity and low background signal. The recent and rapid development of electrochemical materials, luminophores, and optical elements significantly increases the ECL signals and, thus, ECL imaging with enhanced spatial and temporal resolutions is realized. Currently, ECL imaging is successfully applied to high-throughput bioanalysis and to visualize the distribution of molecules at single cells. Compared with other optical bioassays, no optical excitation is involved in imaging, so the approach avoids a background signal from illumination and increases the detection sensitivity. This review highlights some of the most exciting developments in this field, including the mechanisms, electrode designs, and the applications of ECL imaging in bioanalysis and at single cells and particles. Expected final online publication date for the Annual Review of Analytical Chemistry Volume 12 is June 12, 2019. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
This article was published in the following journal.
Name: Annual review of analytical chemistry (Palo Alto, Calif.)
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