Preparation Technology of AsO Magnetic Microspheres
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Preparation Technology of AsO Magnetic Microspheres
Chinese Journal of Experimental Traditional Medical FormulaeVol. 17, Issue 21, Pages: 9-11(2011)
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Published:2011
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LEI Jian-lin, LI Fang, ZHAO Wan, et al. Preparation Technology of AsO Magnetic Microspheres[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(21): 9-11.
DOI:
LEI Jian-lin, LI Fang, ZHAO Wan, et al. Preparation Technology of AsO Magnetic Microspheres[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(21): 9-11.DOI:
Preparation Technology of AsO Magnetic Microspheres
Objective: To study on preparation process of As2O3 magnetic microspheres. Method: To prepare Fe3O4 magnetic particles by chemical coprecipitation
prepared As2O3 magnetic microspheres by phacoemulsification and solvent extraction evaporation method
established a method to determinate encapsulation efficiency of microspheres by DDC-Ag method and to optimize preparation technology. Result: Optimum process was A3B2 C 1
Fe3O4-As2O3(1 ∶2)
concentration of polylactic acid was 0.6% and concentration of PVA was 3%. The average content of prepared magnetic microspheres was 26%
encapsulation efficiency was 60%. Conclusion: The prepared As2O3 magnetic microspheres had high encapsulation efficiency with less toxicity.
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