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5-Fluorouracil과 그 유도체를 함유하는 Solid Lipid Nanoparticles 제조와 평가
서혜선,최명신,한규원,박소민,김길수 이화여자대학교 약학연구소 2005 藥學硏究論文集 Vol.- No.16
Solid lipid nanoparticles(SLNs) are particulate systems for parenteral drug administration and have good biocompatibility and stability. SLNs were prepared with lauric acid, as the lipid core. Tween 20 and tween 80 were used as surfactant. 5-fluorouracil and 1-benzoyl-5-fluorouracil were used as model drugs. Drug-loaded SLNs were prepared by the hot homogenization technique in order to evaluate the physical stability, entrapment efficiency of drugs as well as release profile. The particle size of SLNs was 40~600 nm. By increasing speed, the mean particle size of SLfs was decreased. And entrapment efficiency in the case of using 1-Benzoyl-5-fluorouracil was higher than using 5-Fluorouracil. The higher surfactant concentration, the faster release rate at the range of 1.5~2.5%.
고용석,강찬순,최보경,김혜수,홍정희,최명신,김상현,장성재,김길수 식품의약품안전청 2001 식품의약품안전청 연보 Vol.5 No.-
Headspace-GC(딘5-GC)를 이용하여 ICH 잔류웅매 가이드라인 class 1, 2에 속하는 28종의 잔류유기웅매 분석방법을 연군한 결과 SPB-5, BB-WAX column을 동시 이용하여 각각을 확인, 정량할 수 있었다.또한 염의 참가효과, 평형시간,평형온도가 headspace분석에 미치는 영향을 검토한 결과 평형 시간 30분,평형온도 85℃,Na₂SO₄Ig을 첨가하여 시험할 때 최적 부넉조건을 나타내었다. 회수율은 1,1-achloroethene(68.3%)를 제외하고 90.9 ~ 114.5%로 패체적으로 양호하였다. 따로 HS-GCJECD, DB-524 column을 이용하여 9종의 잔류유기용매에 대하여 각각의 검랸선을 작성하고 검출한계를 구하였다. 실제 의약품 원료 10종및 제제 5종에 적용시킨 결과 모두 불검출되었으며 본 시험법은 의약품중의 잔류유기용매 분석에 적용할 수 있는 방법이라고 판단된다. The headspace-fC/FID(HS -GC/FID) method was performed for test method developnlent of residu;31 organic solvents in pfrarmaceuticals. Using SPB-S and BB-WAXcolumn, 28 kinds of solvents iri ICH residual sof)·ents guidetine class 1, 2 couBd be individuallt-identified and quantitated. The foIBowing residoal soIYents were not detected by the headspaceinjection condition : N,N-Cmethylacetamide, N,N-dimeth)rlformamide, ethyfeneglycol, formamide,2-methoryethanot, N-rnethylpyrrolidone, suBforane. The effects of the addition of salts,equilibration time, and equilibration temperature on headspace analt·sis were invesugated. Theoptimum conditions weiFe obtained with addtion of Ifa2s04 19 as a salt, simultaneously. thetime and temperature of equitibration were 30min and 8i'f, respectivety. The recovery havefound between 90.9 and 114.5% except 1,1-dichloroethene(fi8.3%). Using DB-624 column &HS-GC/:ECD method, 9 kinds of residual solvents could be individually identified andfuantitated. This HS-GC method can be applied to test the residua3 organic solvent in thepharmaceuticals.
6,7-Dichloro-quinoline-5,8-dione으로부터 Quinoline-(2,3,b)-indolizine-6,11-dione 유도체의 합성
류수정,최명신,서경아,신성희 이화여자대학교약학회 1993 梨花藥學硏究 Vol.- No.32
Quinoline-(2,3,b)-indolizine-6.11 유도체는 6.7-dichloro-quinoline-5,8-dione과 C-H acidity 화합물인 acetoacetic ethyl ester와 diethylmalonate를 pyridine 용액 중에서 합성한다.