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[交流]
求一种纳米颗粒制作方法得资料（很急）
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求关于制作 Poly-(butyl cyanoacrylate) 的文献，中英文都可以，最好有制作流程，因为没办法用数据库，所以只能发在这里了。 还请多多帮忙！ [ Last edited by zzgyb on 2010-5-18 at 12:43 ] |
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hych(金币+10, 博学EPI+1): 2010-04-13 18:04
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Toxicological studies of doxorubicin bound to polysorbate 80-coated poly(butyl cyanoacrylate) nanoparticles in healthy rats and rats with intracranial glioblastoma Toxicology Letters 126 (2002) 131–141 Nanoparticle-bound doxorubicin (DOX–NP) was prepared by anionic polymerisation (Gulyaev et al., 1999). Briefly, 1% of butylcyanoacrylate was added to 1% dextran solution in 0.001 N HCl under constant stirring. After 40 min DOX was added to the mixture to obtain a final concentra- tion 0.4%. After 2.5 h the mixture was neutralised, filtered and freeze-dried with addition of 3% man- nitol as cryoprotector. The particle size was mea- sured by light scattering (Nanosizer Malvern, Great Britain), an average diameter of 27030 nm was found. The amount of free drug in the preparation was assessed spectrophotometrically after particle separation by centrifugation. It wasshown that 80% of the drug in suspension was associated with the NP. For surfactant coating 1% polysorbate 80 was added to the suspension, and the suspension was incubated for 30 min under stirring and then used within 2 h. Empty NP (average diameter of 25030 nm) were pro- duced using the same technique. 一篇文献上的，不知有用没？ |
3楼2010-03-15 11:22:20
haiyanshd
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2楼2010-03-15 08:55:03
haiyanshd
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4楼2010-03-15 13:42:24
5楼2010-03-15 16:48:26