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. 2018 Apr 3;8:5560. doi: 10.1038/s41598-018-21755-6

Figure 6.

Figure 6

Optical characterization of SU8/Au films prepared by following protocols A to D in Fig. 3: (ad) plots of transmittance versus wavelength before (t = 0 hr) and after (t = 672 hr) immersion in cell culture medium, showing substantial changes for SU8/Au-A but comparatively small changes for the other films; (eh) micrograph images of entire samples before and after immersion, showing significant cracking after immersion in all films except SU8/Au-C. Scale bars denote 10 mm. (il) micrograph images before and after immersion, showing significant cracking after immersion in all films except SU8/Au-C. Scale bars denote 50 μm.