The Maynard Group performs cutting-edge research on polymer bioconjugates and protein nanoarrays and educates the next generation of researchers and leaders in organic chemistry, polymer science, nanotechnology, and biomedicine.
Bat, E.; Lin, E. -W.; Saxer, S.; Maynard, H. D., “Morphing Hydrogel Patterns by Thermo-Reservsible Fluorescence Switching,” Macro. Rapid Commun., DOI: 10.1002/marc.2014000160. [LINK]
Stimuli responsive surfaces that show reversible fluorescence switching behavior in response to temperature changes are presented. Fluorophore conjugated hydrogel thin films are bright when the gels are swollen; upon collapsing of the gels, self-quenching of fluorophores leads to significant attenuation of fluorescence. Morphing surfaces are obtained by patterning multiple stimuli responsive polymers using electron beam lithography. The polymers change shape several times upon heating. These materials may be useful for applications such as (bio)sensors, encryption, biomedical microdevices, and self-reporting surfaces.
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