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wangjun007
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1259.2
- É¢½ð: 41
- Ìû×Ó: 481
- ÔÚÏß: 192Сʱ
- ³æºÅ: 1110416
- ×¢²á: 2010-09-28
- רҵ: Ò©Îï·ÖÎö
3Â¥2012-12-08 11:47:56
2Â¥2012-12-07 16:14:37
4Â¥2012-12-10 14:58:39
wangjun007
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1259.2
- É¢½ð: 41
- Ìû×Ó: 481
- ÔÚÏß: 192Сʱ
- ³æºÅ: 1110416
- ×¢²á: 2010-09-28
- רҵ: Ò©Îï·ÖÎö
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For the pH dependent release studies, three different buffer solutions with the same NaCl concentration (0.15 M) were chosen: sodium acetate buffer for pH 5.0, phosphate buffer for pH 6.5 and 7.4. DOX@M-MSN¨CP(NIPAM-co-MAA) was dispersed in 2 mL of buffer, and the dispersion was transferred into a dialysis bag (molecular weight cut off ¼ 14 000). The dialysis bag was then kept in 200 mL of buffer and gently shaken at 37 C. At timed intervals, 1 mL of solution was withdrawn from the solution and analyzed by UV-vis. To keep a constant volume, 1 mL of fresh buffer was added after each sampling. All drug release results were averaged with three measurements,ÆäʵÎÄÏ×ͦ¶àµÄ£¬´óÖ¾ÍÊÇÕâô¸ö·½·¨£¬ÄãÒª¸ù¾Ý¾ßÌåÇé¿ö¶ø¶¨ |
5Â¥2012-12-11 11:49:52














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