Fig. 2 | Polymer Journal

Fig. 2

From: Recent progress in photoreactive crosslinkers in polymer network materials toward advanced photocontrollability

Fig. 2

a Photocleavage reaction of an o-nitrobenzyl ester derivative. b Photodegradation of polymer networks crosslinked by an o-nitrobenzyl ester derivative. c Image of micrometer-scale hydrogel patterning with a photomask (scale bar, 100 μm). Adapted with permission from ref. [21]. Copyright 2009 AAAS. d Illustration of the internal photopatterning of the gels achieved by controlled rastering of the laser focus

Back to article page