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. 2015 Jun 15;10(6):e0126047. doi: 10.1371/journal.pone.0126047

Fig 2. Scanning electron micrography of green polyethylene surface before (G0duv) and after 30 d (G30duv), 60 d (G60duv), 90 d (G90duv) or 120 d (G120duv) of exposure to sunlight.

Fig 2

Note the absence of any expressive modification in the plastic surface due to sunlight exposure.