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Light-Sensitive Polypeptide Hydrogel and Nanorod Composites


  • This work was supported by a Fellowship in Science and Engineering from the David and Lucile Packard Foundation and MRSEC DMR05-20020 from the National Science Foundation. The authors acknowledge the generous gift of the PC10P plasmid from the Tirrell Laboratory.


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Polypeptide hydrogels are combined with light-sensitive gold nanorods (NRs) to produce NIR-triggered hydrogel dissociation (see image). This transition is used for molecule delivery in a triggered or stepwise manner.