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Stimuli Responsive HydrogelsEssay Preview: Stimuli Responsive HydrogelsReport this essayStimuli Responsive HydrogelsStimuli-responsive hydrogels are polymers that undergo swelling due to their sensitivity to environmental factors. The cross-linked polymer networks that form hydrogels undergo a physicochemical transition due to an external stimulus such as a change in pH levels, temperature, and light. The response to stimuli often.