作者: Jorge Heller , Steven Y. Ng , Michael Froix , Lin-Shu Liu
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摘要: A composition for the sequestration and sustained delivery of an active ingredient in form porous particles, comprising product controlled dehydration particles formed by reaction a polymeric anionic material with polyvalent cation. The may be loaded soaking solution ingredient; then dehydrated. They soaked cationic material, to providing release ingredient.