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首页> 外文期刊>European journal of pharmaceutics and biopharmaceutics: official journal of Arbeitsgemeinschaft fuer Pharmazeutische Verfahrenstechnik e.V >Properties and mechanisms of drug release from matrix tablets containing poly(ethylene oxide) and poly(acrylic acid) as release retardants
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Properties and mechanisms of drug release from matrix tablets containing poly(ethylene oxide) and poly(acrylic acid) as release retardants

机译:从含有聚(环氧乙烷)和聚(丙烯酸)的基质片剂中药物释放的性质和机制作为释放阻滞剂

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摘要

The interactions between poly(ethylene oxide) (PEO) and poly(acrylic acid) (PAA) in aqueous medium at pH 6.8 were investigated in the current study. We have also studied the effect of interpolymer interactions and various formulation variables, including the molecular weight of PEO, the ratio between PEO and PAA, the crystallinity of PEO, and the presence of an acidifying agent, on the release of theophylline from matrix tablets containing both PEO and PAA as release retardants.
机译:在目前的研究中研究了pH6.8在pH6.8的水性介质中的聚(环氧乙烷)(PEO)和聚(PAA)之间的相互作用。 我们还研究了互聚物相互作用和各种配方变量的影响,包括PEO的分子量,PEO和PAA之间的比例,PEO的比例,PEO的结晶度以及酸化剂的存在,在含有基质片剂的茶碱上的释放 PEO和PAA都作为释放阻力剂。

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