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자료유형
학술저널
저자정보
Park, Jeong-Sook (College of Pharmacy, Chungnam National University) Park, Young-Joon (Laboratory of Excellency for Drug and Gene Delivery, College of Pharmacy, Seoul National University) Kang, Hye-Won (Laboratory of Excellency for Drug and Gene Delivery, College of Pharmacy, Seoul National University) Kim, Chong-Kook (Laboratory of Excellency for Drug and Gene Delivery, College of Pharmacy, Seoul National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제1호
발행연도
2008.1
수록면
111 - 116 (6page)

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Previously we have recrystallized estradiol with various organic solvents and investigated solvate molecules within estradiol crystals by using CP/MAS solid-state NMR. To investigate the effect of recrystallization solvents on the physicochemical properties of recrystallized estradiol, four different crystal habits of estradiol were recrystallized and their physicochemical properties were characterized by optical microscopy, solubility, and FT-IR measurements. Various crystal habits in size and shape were produced by the interaction between the estradiol and different solvents. Although the estradiol crystal habits prepared from ethanol and methanol had larger particle size, they were more soluble in PBS than those recrystallized from isopropanol and acetone. In spite of the low solubilities, the estradiols prepared from isopropanol and acetone were released in PBS and permeated through the hairless mouse skin similar to the others. Thus, although microscopic observation of recrystallized estradiols revealed that the estradiol had different crystal habits, the release and permeation properties of different estradiol crystals might be independent on the solvate molecules associated with the solvent used for recrystallization.

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