ArticleRSC advances2024
Paper-based chemometer device for the estimation of α-amylase-a biomarker for pancreatitis.
Article in RSC advances, 2024. 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
Pancreatitis is a life-threatening inflammatory disease of the pancreas. In 2019, 34.8 out of 100 000 people suffered from acute pancreatitis globally. In humans, the level of α-amylase increases three times the normal value during pancreatitis. α-Amylase is an enzyme that hydrolyses α-1,4 glycosidic bonds of starch. In this study, we investigated a novel distance-based sensing method. We exploited the existing starch triiodide method, where the blue colour of starch-triiodide fades away and becomes colourless when α-amylase breaks the starch chain at the α-1-4 glycosidic bond. A hydrophilic channel was made on paper using a simple laser printer to create hydrophobic barriers. This channel was impregnated with starch triiodide, where α-amylase can turn it colourless. This distance covered by the change in colour is directly proportional to the concentration of α-amylase in a sample. Simulated samples with different concentrations of porcine α-amylase and pancreatin were used for testing using the developed paper-based chemometer device. The paper-based chemometer device was also tested with artificial blood serum with different concentrations of α-amylase. The
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