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In this study, we developed a simple label-free technique for monitoring the enzymatic activity of lipase using liquid crystal (LC)-based sensors. The optical response of LCs changed from a bright to dark appearance when an aqueous solution of lipase was in contact with a nematic LC, 4-cyano-4′-pentylbiphenyl (5CB), that was doped with glyceryl trioleate, which is a glyceride that can be enzymatically...
In this study, we developed a simple label-free method for the detection of catalase (CAT) using liquid crystals (LCs). The optical appearance of LCs changed from bright to dark when hydrogen peroxide was in contact with the dodecanal-doped nematic LC, 4-cyano-4′-pentylbiphenyl (5CB). Since hydrogen peroxide can oxidize aldehyde into carboxylic acid, an orientational transition of the LC from the...
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