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Scopolamine Hydrobromide 및 $\ell$-Hyoscyamine의 생체이용성에 미치는 위산도의 영향
김창영,함성호,한상수,손동환,고건일,김재백,Kim, C. Y.,Ham, S. H.,Han, S. S.,Sohn, D. H.,Ko, G. I.,Kim, J. B. 한국임상약학회 1993 한국임상약학회지 Vol.3 No.2
The effects of gastric acidity on the bioavailability of scopolamine hydrobromide and ${\ell}$-hyoscya-mine were studied in rabbits. Each drug was administered orally at dose of 0.2mg/kg to gastric acidity controlled rabbits. The plasma concentration of scopolamine and ${\ell}$-hyoscyamine were determined by selected ion monitoring in GC/MSCScopolamine; m/Z= 138, ${\ell}$-Hyoscyamine; m/z= 124). Rabbits with hypoacidity showed significantly higher Cp and AVC than rabbits with hyperacidity after oral administration of each drug. From the results of this experiment, it is desirable that dosage regimen of dose of scopolamine and hyoscyamine should be adjusted when the drugs should be administered with antacids in clinical practice.
식물을 흡착제로 이용한 각종 금속이온의 포집제거에 관한 연구 (Ⅱ) , Cucurbita moschata 잎을 흡착제로 이용한 수종 금속이온의 포집 제거 및 그 이론에 관한 연구
한상수(S . S . Han),김주신(J . S . Kim),김재백(J . B . Kim),고건일(G . I . Ko) 한국약제학회 1987 Journal of Pharmaceutical Investigation Vol.17 No.4
Adsorption of metal ions(Ag^+, Co^(2+), Zn^(2+)) from water by the formalin treated leaves of Cucurbita moschata was surveyed by atomic absorption spectroscopy. The rate of adsorption by the formalin treated leaves of Cucurbita moschata was evaluated under the condition of variation in temperature, stirring time and metal ion concentration. The result was as follows; Formalin treated sample had greater adsorbability than nontreated sample and active carbon, which were not denaturated at 110℃ and room temperature for the long period. The adsorption of metal ions by the formalin treated leaves of Cucurbita moschata was evaluated to discover useful scavenger. Adsorption of silver, cobalt and zinc by the formalin treated leaves of Cucurbita moschata roughly follows Freundlich isotherms in the concentration range of each 5-200 ㎍ of Ag, Co and Zn per milliliter. Namely, in the case of silver; logX/m=0.55 logC+2.65, in the case of cobalt; log X/m=0.77 logC+2.63, in the case of zinc; logX/m=0.70 logC+2.56