1) modified PS microsphere
改性PS大孔微球
2) macroporous microsphere
大孔微球
1.
Amphiphilic copolymer, monomethoxy-poly(ethylene glycol)-b-poly-dl-lactide (PELA), was used to prepare macroporous microspheres without adding any emulsifier or porogen, and the necessary preparation conditions for formation of macroporous microspheres and their effects on pore diameter were studied.
研究在不使用乳化剂和致孔剂的条件下采用两亲性聚合物单甲氧基聚乙二醇聚乳酸共聚物制备大孔微球,确定了形成大孔结构的必要条件及孔径的控制方法,并对大孔微球的形成机理进行了探讨。
3) PS microspheres
PS微球
1.
The effects of reaction temperature,stirring rate and amount of the pH stabilizer on size and monodispersity of the PS particles were investigated by orthogonal experiment method,and the reaction conditions used to prepare 600~1000 nm monodisperse PS microspheres were optimized.
以NaHCO3/Na2CO3为pH稳定剂和离子强度调节剂,用无皂乳液聚合法合成了亚微米级聚苯乙烯(PS)微球,用正交实验考察不同因素对合成聚合物微球粒径及粒径分布的影响,优化制备600~1000nm单分散PS微球的工艺条件,放大批量制备了标称粒经是600,800和1000nm的PS微球,合成的PS微球球形度好,相对标准偏差小,均匀性和稳定性都满足国家一级粒度标准物质的要求。
4) cross linked polystyrene microsphere
交联PS微球
1.
Monodisperse cross linked polystyrene microspheres of 60~200 nm diameters were prepared by emulsion polymerization.
采用乳液聚合法合成一系列粒径在 60~ 2 0 0 μm间的单分散交联PS微球 ,并探讨影响乳液聚合稳定性、粒径大小及微球单分散性的因素。
5) PS nanosphere
PS纳米微球
6) PVDF/PS blends micro-porous membranes
PVDF/PS共混微孔膜
补充资料:可降解淀粉微球和生物降解白蛋白微球阻滞法
可降解淀粉微球和生物降解白蛋白微球阻滞法
介入放射学技术。介入性局部化疗之前,把二者注入靶动脉,可暂时减少动脉血流,再行化疗药物灌注,以减少血液冲刷,保持局部化疗药物浓度的技术。与其他中期和长期栓塞微球不同,DSM和BAM仅造成数十分钟的血流量减少,待其被降解后血流可恢复至以前水平。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条