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(A and B) Transmission electron micrographs of GL261 cells cocultured with PAA –GO. (C) Fluorescence micrographs of GL261 cells cultured with PAA –GO–Cy5.
Notes: Phase image (left), fluorescence image (middle), merged image (right). (A) Bar = 500 nm, (B) bar = 100 nm, (C) bar = 5 μm.
Abbreviations: GO, graphene oxide; PAA, polyacrylic acid.
