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. Author manuscript; available in PMC: 2020 Dec 15.
Published in final edited form as: Toxicol Lett. 2019 Sep 25;317:1–12. doi: 10.1016/j.toxlet.2019.09.013

Fig. 2.

Fig. 2.

Representative images of 3-D printer-emitted particles collected in the cell culture medium indicating surface morphology and elemental composition. 3-D printer emissions were collected in cell culture medium, passed through a track-etched polycarbonate filter, and analyzed using FE-SEM (A–C) and EDX (D–F). (A) Background, (B) PC, (C) ABS. D–F are representative elemental analysis spectra for A–C. Magnification at 70k × for all images, scale bar at 400 nm.