Journal
ACS MACRO LETTERS
Volume 3, Issue 6, Pages 515-519Publisher
AMER CHEMICAL SOC
DOI: 10.1021/mz500230p
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Funding
- National Science Foundation [CBET 1236662]
- Howard Hughes Medical Institute
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1236662] Funding Source: National Science Foundation
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The design, synthesis, and characterization of a new class of coumarin-based photodegradable hydrogels are reported. Hydrogel formation was achieved rapidly and efficiently under aqueous conditions using copper-catalyzed click chemistry, which afforded excellent control over the rate of network formation. Rapid photodegradation, to the point of reverse gelation, was observed using both 365 and 405 nm light, and micrometer-scale features were eroded using two-photon irradiation at wavelengths as long as 860 nm.
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