“…[78][79][80][81] They could be fabricated into different functional components for a device such as valves, [82][83][84] gating membranes, [51,85] channels, and hinges [86,87] or serve as drug depots, [79,88] which can trigger and stop drug flux in response to environmental stimuli like pH, temperature, biological molecules, light, electromagnetic fields. [78][79][80][81] They could be fabricated into different functional components for a device such as valves, [82][83][84] gating membranes, [51,85] channels, and hinges [86,87] or serve as drug depots, [79,88] which can trigger and stop drug flux in response to environmental stimuli like pH, temperature, biological molecules, light, electromagnetic fields.…”