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. 2018 May 25;8:8179. doi: 10.1038/s41598-018-26503-4

Figure 2.

Figure 2

Schematic illustration for the preparation process for LSG. The GO was first suspended in DI water. Then, solution was dropped onto aluminum foil that was glued to the surface of a DVD disc. The GO-coated DVD disc was then inserted into the DVD optical drive for laser treatment.