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손영택,전임작 德成女子大學校 藥學硏究所 2000 藥學論文誌 Vol.11 No.1
Three new polymorphic modifications were prepared by recrystallization under various conditions and characterized by DSC and X-ray crystallography. In pH 4.0 buffer at 37±0.5℃, the polymorphic modifications showed significant differences in the dissolution rate. The dissolution rate of Mod. 4, amorphous form, was faster than that of marketed cefaclor (Mod.1). When all modifications were stored at 52% RH, 95% RH and in silica gel desiccator, any polymorphic transformation was not observed.
손영택(Young Taek Sohn),전임작(Im Jak Jeon) 한국약제학회 2000 Journal of Pharmaceutical Investigation Vol.30 No.3
Three new polymorphic modifications were prepared by recrystallization under various conditions and characterized by DSC and X-ray crystallography. In pH 4.0 buffer at 37±0.5℃, the polymorphic modifications showed significant differences in the dissolution rate. The dissolution rate of Mod. 4, amorphous form, was faster than that of marketed cefaclor (Mod. 1). When all modifications were stored at 52% RH, 95% RH and in silicagel desiccator, any polymorphic transformation was not observed.