Nedkov I, Merodiiska T, Slavov L, et al. Surface oxidation, size and shape of nano-sized magnetite obtained by co-precipitation\[J\]. J Magn Magn Mater,2006,300(2):358-367.
Peng J, Zou F, Liu L, et al. Preparation and characterization of PEG-PEI/Fe3O4 nano-magnetic fluid by co-precipitation method\[J\]. Transactions of Nonferrous Metals Society of China,2008,18(2):393-398.
[7]
Xu H, Tong N H, Cui L L, et al. Preparation of hydrophilic magnetic nanospheres with high saturation magnetization\[J\]. J Magn Magn Mater,2007,311(1):125-130.
[8]
Shen Y F, Tang J, Nie Z H, et al. Bioresource Technology,2009,100(18):4139-4146.
[9]
Kim K D, Kim S S, Choa Y H, et al. J Ind Eng Chem,2007,13(7):1137-1141.
[10]
Sun L, Huang C, Gong T, et al. Materials Science and Engineering C,2010,30(4):583-589.
[11]
Kim D K, Mikhaylova M, Zhang Y, et al. Protective coating of superparamagnetic iron oxide nanoparticles\[J\]. Chem Mater,2003,15(8):1617-1627.
[12]
Hong R Y, Li J H, Li H Z, et al. J Magn Magn Mater,2008,320(9):1605-1614.
Corr S A, Rakovich Y P, Gun’ko Y K. Multifunctional magnetic-fluorescent nanocomposites for biomedical applications\[J\]. Nanoscale Research Letters,2008,3(3):87-104.
Khan A. Preparation and characterization of magnetic nanoparticles embedded in microgels\[J\]. Mater Lett,2008,62(6/7):898-902.
[20]
Wang W, Xu Y, Wang D I C, et al. Recyclable nanobiocatalyst for enantioselective sulfoxidation:Facile fabrication and high performance of chloroperoxidase-coated magnetic nanoparticles with iron oxide core and polymer shell\[J\]. J Am Chem Soc,2009,131(36):12892-12893.