A paper-based photoelectrochemical immunoassay for low-cost and multiplexed point-of-care testing.

A photoelectrochemical immunoassay was introduced for the first time into a microfluidic paper-based analytical device equipped with a paper supercapacitor for low-cost, simple, portable, and disposable point-of-care testing, based on a chemiluminescence light source and a digital multi-meter.

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