AI Article Synopsis
- - Using a process called "clipping," researchers created rotaxanes with unique gelation abilities that respond to light.
- - When exposed to UV light, the macrocyclic parts of these rotaxanes break apart, releasing gel-forming agents into the solution.
- - This quick gelation allows for targeted areas of gel formation in the solution, enabling the possibility of creating patterns through light exposure.
Article Abstract
[2]Rotaxanes displaying one-off photo-triggerable gelation properties have been synthesized through the "clipping" of photo-degradable macrocycles around the amide or urea functionalities of organo- and hydrogelators. Irradiation with UV-light cleaved the photo-labile macrocyclic components from the [2]rotaxanes, resulting in the free gelators being released into solution and, thereafter, forming gels. When the rate of gelation was sufficiently rapid, selective gelation of specific regions of the solution-and, indeed, photo-patterning of the solution-was possible.
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| http://dx.doi.org/10.1002/chem.201705753 | DOI Listing |
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