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catwithdog

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marktiger: ½ð±Ò+1, лл²ÎÓ룬»¶Ó­³£À´¡£ 2012-11-22 08:07:14
vipjhy: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2012-12-07 07:42:50
For your reference:
1.        ¶ÔÓÚÒ»¸ö·ÂÖÆÒ©£¬ÊÇÑ¡ÓÃÖйúÒ©µäµÄ»º³åÒº£¬»¹ÊÇÅ·ÖÞ»òÊÇÈÕ±¾ÃÀ¹úµÄ½éÖÊÅäÖÆÏàÓ¦pHµÄ½éÖʵÄÑ¡ÔñÒÀ¾Ý£¿
You can find this brand drug is from Å·ÖÞ»òÊÇÈÕ±¾, ÃÀ¹ú and search their dissolution method. If this drug is from ÃÀ¹ú and dissolution is pH1.2 and 6.8 (often use), then you can follow USP to prepare your Èܳö½éÖÊ and also use this buffer system to compare your dissolution profile.
2.        ±¥ºÍÈܽâ¶È²â¶¨µÄ¾ßÌå×ö·¨£¬¶ÔÕÕµÄÅäÖÃ.
1)        Follow your dissolution method, decide yourÈܳö½éÖÊ.
2)        Develop your Ô­ÁÏ assay method (we often use HPLC method).
3)        Dissolve yourÔ­ÁÏ in whatever Èܳö½éÖÊyou want to try to small flask to save your Ô­ÁÏ till can not be dissolved.
4)        Stir at room temp for 24 hrs.
5)        Take the supernatant, filter and run HPLC.
6)        Calculate theÔ­ÁÏconcentration against working standard.

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2012-11-22 03:34:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

vipjhy

Òø³æ (СÓÐÃûÆø)

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ÒýÓûØÌû:
2Â¥: Originally posted by catwithdog at 2012-11-22 03:34:01
For your reference:
1.        ¶ÔÓÚÒ»¸ö·ÂÖÆÒ©£¬ÊÇÑ¡ÓÃÖйúÒ©µäµÄ»º³åÒº£¬»¹ÊÇÅ·ÖÞ»òÊÇÈÕ±¾ÃÀ¹úµÄ½éÖÊÅäÖÆÏàÓ¦pHµÄ½éÖʵÄÑ¡ÔñÒÀ¾Ý£¿
You can find this brand drug is from Å·ÖÞ»òÊÇÈÕ±¾, ÃÀ¹ú and search their dissol ...

Thanks!
3Â¥2012-11-22 21:06:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

laiyin_111

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