Quantitative analysis of hydrogel/paper arrays demonstrates effective colorimetric assays, suggesting advancements in portable diagnostics.
Traditional quantitative colorimetric assays often rely on bulky laboratory instruments, such as UV-Vis spectrophotometers or microplate readers. While smartphone-based point-of-need (PON) tools have emerged as alternatives, they are frequently limited...
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Qi et al. (2026) studied this question.
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