Figure 7.

Applications of responsive polymer brushes for triggered drug delivery. A) PDEAEMA‐coated silica nanoparticles and pH‐sensitive controlled release of a model dye. Reproduced with permission.^{[ 99 ]} Copyright 2010, American Chemical Society. B) Schematic illustration for pH‐responsive diblock copolymers brush grafted silica nanotubes for controlled drug release. Reproduced with permission.^{[ 103 ]} Copyright 2015, American Chemical Society. C) Gold nanocages coated with responsive polymer brushes for release in response to NIR light. Reproduced with permission.^{[ 116 ]} Copyright 2009, Springer Nature. D) Highly stable capture of RNAs by dense cationic polymer brushes for the design of cytocompatible, serum‐stable siRNA delivery vectors. Reproduced with permission.^{[ 18 ]} Copyright 2018, American Chemical Society.