目的考察乳酸-羟乙醇酸共聚物(PLGA)微球制备工艺对新城疫病毒的稳定性影响，并寻求合适的保护剂以稳定新城疫病毒的活性。
OBJECTIVE to evaluate the effects of formulation technique of PLGA microspheres on the stability of Newcastle disease virus and to look for a proper protectant to stabilize Newcastle disease virus.
研究了不同单体组成对微球的共聚组成、吸液性能和颗粒形态的影响。
The influence of monomer composition on copolymer composition, absorption characteristics and microsphere morphology was investigated.
方法：采用无皂乳液聚合法合成三元共聚荧光微球。
METHODS: the ternary fluorescent copolymer microspheres were synthesized by means of emulsifier-free emulsion polymerization.
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