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Considering the porous characteristics of magnetic porous Fe3O4 microspheres, this study aims to utilize long-chain poly-arginine (PA) to obtain PA-modified porous Fe3O4 microspheres (p-Fe3O4@PA). The microspheres possessed a loose porous structure on the surface, and the average pore size was 224.2Å. The harvesting efficiency for Chlorella sp. HQ improved markedly compared with that of p-Fe3O4 after...
Magnetic graphene oxide (GO) nanocomposite was assigned to decorate with cationic polymer PDDA (diallyldimethylammonium chloride) to a sponge like nanocomposite GO-Fe3O4/PDDA, and employed in magnetic harvesting of oleaginous Chlorella sp. HQ. The results showed that huge surface area, light weight and stable dispersion of GO make contribution to the high harvesting efficiency of GO-Fe3O4 (80.14%),...
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