利用正交实验设计优选纳米球制备工艺，观测纳米球的形貌、粒径、载药量、磁响应性和体外释药性能。
The orthogonal experimental design was applied to optimize the preparation procedure. The shape, size, drug content, magnetic responsivity and drug release in vitro were determined.
这种磁光开关具有结构紧凑、器件体积小、偏振无关性、响应速度快、驱动电压低和串扰小等优点；
The switch is characterized by simple structure, polarization-independence, low optic insertion loss and interchannel crosstalk, fast response speed, small in size and low drive voltage, etc.
研究了上述两种微球的表观形态、粒径分布、溶胀性、载药性能和体外磁响应性。
Their surface morphology, size distribution, characters of swelling, adsorbability for drug-carried and magnetic response were studied.
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