Abstract
Controlled drug release has sparked much attention in the field of drug delivery by prolonging the duration of drug effectiveness and reducing drug toxicity. However, the development of controlled-release drug delivery systems remains a significant challenge, primarily due to inadequate drug compatibility, low biocompatibility, and low response sensitivity of the drug carriers. Herein, an innovative strategy for fabricating multifunctional organohydrogels as drug carrier systems is designed. 1-Tetradecanol/water emulsions, stabilized by cellulose acetoacetate (CAA), are initially prepared. The organohydrogels are fabricated by the ternary enzyme-mediated polymerization of the monomer- containing emulsion. The amphipathy of CAA ensures the stability of emulsions during polymerization, and CAA participates in polymerization as an initiator. Through the reversible crystallization-melting transition of 1-tetradecanol, the drug can be encapsulated in/released from the organohydrogel. Moreover, 1-tetradecanol enhances the bioavailability of water-insoluble drugs without any additional cosolvent. Therefore, biofriendly organohydrogels can serve as ideal dressings with adjustable mechanical properties, effective temperature regulation, and temperature-triggered drug release ability.
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