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Updated: Dec 24, 2025

Porous Silicon Microparticles for Delivery of siRNA Therapeutics
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Polymer-coated spherical mesoporous silica for pH-controlled delivery of insulin
Sae Rom Choi1, Dong-Jin Jang, Sanghyun Kim
1Department of Chemical and Biological Engineering, Korea University, Seoul 136-701, Republic of Korea. jbkim3@korea.ac.kr.
Abstract:
We report a pH-controlled insulin release system to provide an oral administration route. Mesoporous silica was chosen as a drug carrier, and pH-sensitive polymers were coated onto spherical mesocellular foam with pre-adsorbed insulin. We evaluated the insulin release in both acidic and neutral solutions to compare how this system behaves under different pH conditions.
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