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. Author manuscript; available in PMC: 2017 Aug 18.
Published in final edited form as: Chem Commun (Camb). 2016 Aug 18;52(69):10525–10528. doi: 10.1039/c6cc04127b

Scheme 1.

Scheme 1

(a) Synthetic route to prepare DASA-PEG conjugate 4 (DASA-amphiphile). (b) Hydrophobic DASA segment of 4 (DASA-amphiphile) photoisomerizes and becomes 5 (DASA-non-amphiphile) once irradiated with visible light, portrayed by the highly colored micelle solution (left) and tan solution (right). (c) DASA-amphiphile self-assembles into micelles in an aqueous medium to encapsulate hydrophobic cargo molecules (left). Visible light triggers the disruption of micelles and release of cargo molecules (right).