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Magnetite (Fe3O4) nanoparticles uniformly loaded on multi-walled carbon nanotubes (MWCNTs) were synthesized by a wet chemistry method, and then carbon coated Fe3C nanoparticles supported by MWCNTs were prepared by heat-treatments subsequently in nitrogen at 600 degC and in acetylene atmosphere at 500 degC. The as-prepared nanoparticles were all single crystals with a size distribution ranging from...
To evaluate the biocompatibility of self-prepared Fe3O 4 magnetic nanoparticles, which has the potential application in tumor hyperthermia, MTT assay was used to evaluate the in vitro cytotoxicity; hemolysis test was carried out to estimate its blood toxicity; Fe3O4 suspended in sterile 0.9%NaCl were intraperitoneally injected into KM mouse to calculate the LD50; micronucleus (MN) were reckoned to...
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