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. Author manuscript; available in PMC: 2019 Jun 6.
Published in final edited form as: ACS Appl Mater Interfaces. 2019 Jan 4;11(2):1760–1765. doi: 10.1021/acsami.8b21058

Figure 1.

Figure 1.

Azobenzene change in conformation from trans to cis upon exposure to UV light (~365 nm) and from cis to trans upon exposure to visible light (~490 nm) or heat. However, when irradiated with intermediate wavelengths (430–480 nm), azobenzenes undergo rapid, transient, oscillatory trans–cis–trans isomerization (photofluidization effect) and can successfully disrupt biofilms on the surface of a material (panel a). The photofluidization effect can be used to disrupt biofilms from the surface of a substrate (panel b).