LAUSR

Abstract Novel one-dimensional hierarchical Fe3O4@CuSiO3 microchains have been synthesized via a magnetic-induced stober method combined with an in-situ chemical conversion process. During the magnetic assembly, the SiO2 layer can not only consolidate the magnetic assembly of 1D nanostructure as a “glue”, but also tune the length of CuSiO3 nanofibers. Besides, the resultant hierarchical Fe3O4@CuSiO3 microchains exhibit large surface area, good structural stability, and magnetic response, which make them as a good adsorbent for histine-rich proteins and the maximum adsorption capacity could reach up to 1954 mg g−1. In addition, the as-prepared hierarchical Fe3O4@CuSiO3 microchains exhibit potential absorbability as a renewable adsorbent for removing high abundant protein of hemoglobin in biological field. Furthermore, this strategy can also be applied to prepare other 1D hierarchical magnetic metal silicate composites.