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Water droplet test photos on (A) GEL nanofibers, (B) GEL/PO nanofibers, (C) GEL/CO nanofibers, and (D) GEL/PO/CO nanofibers. (E) Nanofibers loaded with different essential oils’ (blue, CO; black, PO; and red, PO/CO) water-contact angles. Reproduced from [262] with copyright permission from the American Chemical Society.
