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The Crystal and Molecular Structure of 1-(Hexahydro-1H-azepin-1-yl)-3-(p-tolylsulfonyl) Urea
연영희 空軍士官學校 1980 論文集 Vol.12 No.-
The results show that;
正常 白色마우스 氣管支組織의 加齡에 따른 細胞更新系의 變遷에 關한 H³-Thymidine을 利用한 顯微 自記放射法的 硏究
延英姬 고려대학교 의과대학 1972 고려대 의대 잡지 Vol.9 No.1
One of many profiles of the cell renewing patterns of bronchial ductural systems which are one of the derivatives from the foregut during embryonal stage, had been determined by means of use of tritiated thymidine and microradiosutography through dynamic morphological behavioural observation of them. From 4-day to more than 50-week old postnatal age ranged normal albino mice were in present experiment. A single dose of 0.8 micro-curie of tritiated thymidine was administrated intraperitoneally, and each animal was sacrificed 120 min, after a calculated amount for the mouse weight. The bronchial specimen was cut at 3-micra, was treated stripping method, was exposed in defumidified black slide box for 28-day period in room temperature, and was treated as a permanent preparation after the nuclear single pre-staining with hematoxylin. 1. In general, comparatively low the rates in suckling young's was contrasted with those of the adult. Regardless the embryonal origins or the sexes, the trends on figure were shown that the rates for the suckling young's were decreased with the time, while those for the adult were reversed in compare with these of the suckling's, especially, especially, the fact were true in those of the adult females. 2. Epithelial renewings with entodermal origin were faster than those in the submucosal's with mesodermal origin. 3. Various humoral mechanisms including the sex hormones and neurogenic hormones, regardless the embryonal origins or the sex appeares to be active, and the activities happen to be more sensitive in the aging's than those of the suckling young's. 4. A reversed features in adult female's gave an implication of higher entodermal tissues versus lower mesodermally originated tissues. 5. Nevertheless the same mesodermally originated catilagenous tissue cells, they been shown negligible labeling. The figures were more clear cut in those of the adult's than those of the suckling young's. 6. Incomplete neglects had been made in an understandable matters, because the observed rates seems to be vital adaptabilities even unsuitable endogenous or exogenous stimuli from various sources. Therefore, the range of the adaptabilities appears to be less districted in any senses.
"The Crystal and Molecular Structure of 1-Butyl-3-Sulfonylurea, C_11H_17N_3O_3S"
연영희 空軍士官學校 1982 論文集 Vol.14 No.-
X-선 회절법을 이용하여, 1-Butyl-3-Sulfonylurea, C_11H_17N_3O_3S, Carbutamide의 결정 및 3차원적 분자구조를 규명하였다. 결정계는 Orthorhombic에 속하며 단위세포 내에는 4분자가 있고 공간군은 P_212121이다. 단위세포상수는 a=9.257(2), b=9.928(2), c=15.287(3) Å이고, 농도측정은 Automated four-circle diffractometer에 의해서 하였다. 결정구조는 Directed method에 의해서 해석하였고 최소 자승법을 이용하여 정밀화하였다. 최종신뢰도(R) 값은 575개의 독립반점에 대해서 0.062였다. 수소를 제외한 원자는 Anisotropic하게 정밀화했고, 수소원자에 대해서는 Isotropic한 온도인자로 정밀화했다. 단위세포 내의 분자들은 Bifurcated 수소결합을 포함한 N-H…O 수소결합으로 연결되어 있고, 모든 Sulfonylurea 그룹에서처럼 우레아 그룹은 Planar하다.