https://www.selleckchem.com/products/wrw4.html
Free proline, termed proline, is a biomarker used for diagnosing drought stress in plants. A previously developed proline-ninhydrin reaction-based paper sensor could quickly and easily detect proline, but it was limited by low sensitivity. In this study, we developed an enclosed multilayer paper-based microfluidic sensor with high sensitivity for the quantitative detection of proline in plants. The multilayer paper-based sensor was manufactured using simple wax printing and origami methods, and contained an internal mixing channel to allow
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