Lei LIU,Lin SHAO,Chung Hui Lee LIU,Hui DU,Ming WANG
申请号：
US15933463
公开号：
US20180271799A1
申请日:
2018.03.23
申请国别(地区):
US
年份:
2018
代理人:
摘要：
An active molecule delivery system whereby active molecules can be released on demand and/or a variety of different active molecules can be delivered from the same system and/or different concentrations of active molecules can be delivered from the same system. The active delivery system includes a plurality of microcells, wherein the microcells are filled with a medium including an active ingredient and charged or magnetic particles. The microcells include an opening, and the opening is spanned by a porous diffusion layer. Because the porous diffusion layer can be blocked with the charged or magnetic particles, the rate at which the active ingredient is dispensed can be controlled with an electric or magnetic field, respectively.
