Title:

Photoinduced Cycloaddition Dimerization for Directed-Assembly of Microparticles

The photodimerization of anthracene is one of the oldest documented photochemical reactions and has been widely studied and used in a variety of applications, including forming single chain nanoparticles and making gates on caged host complexes. We want to investigate the application of the anthracene photodimerization reaction for creating a trigger to lock microparticles into an ordered assembly. Using UV-vis, microscopy, and NMR, we will investigate if particles with anthracene exposed on the surface can be locked into place when an anthracene group on one particle dimerizes with an anthracene group on a neighboring particle. The further application of this research is to extrude anthracene containing particles through a 3D printer and to lock the assembled particles in place with UV light to be used as a scaffolding for tissue engineering.

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