ArticleMikrochimica acta2025
A QR code-assisted paper-based analytical device for rapid and reliable detection of dehydroepiandrosterone.
Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
QR code-assisted paper-based analytical devices (QR-PAD) are presented for the rapid detection of dehydroepiandrosterone (DHEA), a critical biomarker associated with diverse pathological and physiological conditions. The QR-PAD platform comprises two folded layers: an acetate sheet for QR code readout and a nitrocellulose (NC) membrane as the testing surface. The system enables standardized qualitative analysis through QR code decoding and quantitative analysis via colorimetric evaluation of test spots. Importantly, the QR-PAD successfully detected DHEA in synthetic serum samples without interference from testosterone, cholesterol, or bovine serum albumin (BSA). Overall, this dual-mode QR-PAD demonstrates both qualitative and quantitative detection capabilities, merging the advantages of QR technology and paper substrates to advance practical, portable, and reliable diagnostic solutions.
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