| We have designed and synthesized a type of spiropyran tetrapeptides conjugate that can undergo photo- and thermo- responsive self-assembly via ring closing/opening process on nanoscale and moreover, it can achieve the conversion between solution and gel states on macroscale under light and thermo- triggers. We have also prepared a series of simple spiropyran hybrids. The three spiropyran monopeptide conjugates adopt different assembly structures upon visible light irradiation. |
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