Figure 6.

Captured images of the removal of different microplastics (MPs) using magnetic Au@Ni@TiO₂ under a magnetic field: (A) washing powder sample in 0.1% H₂O₂ under 63 mW ultraviolet (UV) light; (C) face cleansing cream sample in 0.2% H₂O₂ under 63 mW UV light; (E) MP sample from the Warnow River in H₂O under 315 mW UV light. (B–F) Amount of MPs in the initial (before removal) and final (after removal) stages is shown. The insets are scanning electron microscopy images. Scale bar, 10 μm [16]. (Reprinted with permission from [16]. Copyright 2019 American Chemical Society.)