“…This technique is applicable for the preparation of fibers containing various materials, such as activated carbon, 94 graphene, 95 multi-walled carbon nanotube, 96 titanium dioxide, 97 and platinum nanoparticle, 98 as well as chelating ligand. 99,100 Chelating fibers containing fine particulate CM-PEHA resin 101 and CM-PEI 102,103 were prepared based on this technique, and the potential of the chelating fibers for the solid-phase extraction of elements was investigated.…”