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Abstract: As a prospective ophthalmic drug delivery device, contact lenses attract a lot of attention because of the improved drug residence time and bioavailability. Herein, we proposed and fabricated a molecular imprinted structural color contact lens for sustained timolol release which could self-report the release process by color change. The specific recognition of target timolol by molecular imprinted sites can not only increase the loading amount and the residence time of the drug but also endow the structure color of lens remarkable blue shift with the accumulative release of timolol. The fascinating contact lens can be further used for controlling release of a large number of ophthalmic drugs and has high potential to be a new generation of functional contact lenses
Template and target information: timolol
Author keywords: colorimetric analysis, contact lens, molecular imprinting, photonic crystals, structural color, timolol