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. 2021 Feb 11;9:598717. doi: 10.3389/fcell.2021.598717

Figure 2.

Figure 2

Schematic diagram of the molecular mechanisms by which UVA induces drug release through different mechanisms. (A) Photo-isomerization (Stranius and Börjesson, 2017); (B) Photo-cleavage (Kauscher et al., 2019); (C) Photo-crosslinking (Tunc et al., 2014); (D) Photo-induced rearrangement (Olejniczak et al., 2015). R = aliphatic group.