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. 2021 Feb 27;13(5):730. doi: 10.3390/polym13050730

Figure 5.

Figure 5

Photos under a microscope (left), a fluorescence microscope with excitation and emission wavelength of 534–558 and 515–565 nm (middle); and 534–558 and >590 nm (right) for the Nile Red stained low density (a) polyethylene (LDPE); (b) polypropylene (PP); (c) expanded polystyrene (EPS) Reprinted from Marine Pollution Bulletin, 113, Shim, W.J.; Song, Y.K.; Hong, S.H.; Jang, M., Identification and Quantification of Microplastics Using Nile Red Staining, 469–476. [93], Copyright (2016), with permission from Elsevier.