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(a) Representative TEM image of PVA/PAA/Fe3O4/MXene@AgNP nanofiber; (b) partial magnification TEM image of nanofibers; (c) TEM image with C/O/Fe/Ti/Ag elemental mapping of PVA/PAA/Fe3O4/MXene@AgNP fibers; and (d) representative EDX image of composite nanofibers.
