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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Adv Healthc Mater. 2016 Dec 15;6(1):10.1002/adhm.201601041. doi: 10.1002/adhm.201601041

Figure 2.

Figure 2

Strategies for siRNA delivery from hydrogels include encapsulation within a nanoparticle or as an siRNA conjugate to permit cell transfection. Towards hydrogel design, polymer charges are varied and degradable sequences and crosslinking mechanisms control the rate at which siRNA is released. Upon release, nanoparticles or free siRNA are able to interact with cell membranes and enter the cell, leading to gene silencing.