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Anatomical Studies of the genus Solidago (Ⅰ) : On the Leaves of the genus Solidago
Ki-Hwan Bae(배기환),Beong-Tae Yoo(유병태),Chang-Soo Yook(육창수) 한국생약학회 1982 생약학회지 Vol.13 No.3
The internal structure and surface view of the leaves of the genus Solidago have been clarified. A key based on the anatomical features has been constructed.
鄭敬壽,柳柄泰,金炳珏 충남대학교 약학대학 의약품개발연구소 1985 藥學論文集 Vol.1 No.-
The ether, methanol, and physiological saline extracts of the dried carpophores of ten basidiomycetous fungi, which were collected in the conifer woods of Chungnam National University at Taechon, were subjected to an antibiotic activity test by disc-plate method. Among them, the methanol extracts of Marasmius maximus, Hirschioporus abietinus, and Russula sanguinea and the the ether extracts of M. maximus and H. abietinus showed antibiotic activities against Sarcina lutea; and the methanol and ethanol extract of M. maximus showed antibiotic activity against Staphylococcus aureus. None of the extracts, however, showed any activity against gram negative bacteria, Serratia marcescens and Proteus vulgaris.
潛血試驗에 관한 硏究 第Ⅰ報 : Aminopyrine法 Aminopyrine Methode
李琬夏,柳柄泰,都京三 成均館大學校 1978 論文集 Vol.25 No.-
In studies of the aminopyrine-alcohol-buffer solution on the occult blood test using the filter paper method, it is found that the experimental optimum conditions are 4% aminopyrine. 10% of H_2O_2, pH5 of the Walpole buffe、r solution Toyo filter paper No.2, 1 min of standing time, and the 7 : 3 ratio of aminopyrine to H_2O_2 (V/V) As the sensitivity of this method agrees to that of Hematest, it is considered that this method can be used as a clinical test in occult blood.
명평근,김춘성,유병태,이천배 충남대학교 약학대학 의약품개발연구소 1990 藥學論文集 Vol.6 No.-
Mitomycin C is a clinically used antitumor antibiotic that binds covalently to deoxyribonucleic under reductive or acidic catalysis. We have investigated the confirmation, the determination of thermal melting point(Tm), the inhibition of S1 unclease and exonuclease Ⅲ and the transformation of supercoiled closed circular(SCC) PBR 322 DNA on the Mitomycin C-DNA complex. It was identified that Mitomycin C was reduced by 0.001M HCl pH<4), 0.01M NaBH_4 and ascorbic acid. The alkylation of DNA by Mitomycin C was increased Tm; The Tm of control λDNA was 77.25℃ whereas Tm of Mitomycin C-DNA complex was 80℃. It was founded that Mitomycin C-DNA complex inhibited the activity of the S1 nuclease and exonuclease Ⅲ. The SCC pBR 322 DNA was transformed into more open circular (OC) form by increasing concentration of the Mitomycin C. It is suggested that the interaction of Mitomycin C with DNA effects the conformation of DNA.
명평근,김춘성,유병태,이천배 충남대학교 암연구소 1991 癌共同硏究所 硏究誌 Vol.1 No.1
Mitomycin C is a clinically used antitumor antibiotic that binds covalently to deoxyribonucleic under reductive or acidic catalysis. We have investigated the confirmation, the determination of thermal melting point(Tm), the inhibition of S1 nuclease and exonuclease I and the transformation of supercoiled closed circular(SCC) PBR 322 DNA on the Mitomycin C-DNA complex. It was identified that Mitomycin C was reduced by 0.001M HC1 (pH<4), 0.01M NaBH_(4) and ascorbic acid. The alkylation of DNA by Mitomycin C was increased Tm; The Tm of control λDNA was 77.25℃ whereas Tm of Mitomycin C-DNA complex was 80℃. It was founded that Mitomycin C-DNA complex inhibited the activity of the S1 nuclease and exonuclease III. The SCC pBR 322 DNA was transformed into more open circular (OC) form by increasing concentration of the Mitomycin C. It is suggested that the interaction of Mitomycin C with DNA effects the conformation of DNA.
殺蟲性 O,O-Diethylphenylphosphate 誘導體들에 의한 Acetylcholinesterase의 Phosphorylation에 關한 量子藥理學的 硏究
明平根,成洛道,柳柄泰,李天培 충남대학교 약학대학 의약품개발연구소 1986 藥學論文集 Vol.2 No.-
Quantum pharmacological study has been carried out for the phosphorylation process of acetylcholinesterase (Ach E) and hydrolysis reaction of O,O-diethylphenylphosphate (DPP) derivatives. Quantum variables of DPp molecule were calculated by extended Hu¨ckel theory (EHT) molecular orbital calculation method and linear free energy relationship(LFER) parameters were applied to the Hamett, Taft & Swain-Luption's simple and dual substituents parameter equation. The results shows that the field effect (F) was larger than resonance effect (R) and the values of percent field (%F) and percent resonance (%R) were about %F=34 and %R=66, respectively, yielding the ratio of F to R of 2:1. From the regression analysis, the various quantum chemical parameters, the net charge of phosphorus atom and that of meta carbon atom, the LUMO energy and the electrophilic superdelocalizability were influenced significantly on the phosphorylation of Ach E. The charge-controlled and orbital-controlled reactions proceed via trigonal bypyramidal penta-coordinated intermediate with pseudorotation.
광용혈에 의한 Phenothiazine류의 광독성에 관한 연구
白光欽,金鳳姬,柳柄泰 충남대학교 약학대학 의약품개발연구소 1987 藥學論文集 Vol.3 No.-
To investigate the phototoxicity of phenothiazines, five phenothiazines and one thioxanthene derivative were examined by using a 40W BLB fluorescent tube in the buffered (phosphate buffered saline and veronal buffered saline) reaction system consisting of human RBC (20 V/V%) and the drugs in concentrations from 1㎍/㎖ to 100㎍/㎖. The extent of photohemolysis was examined by a spectrophotometer. It was also observed that toxic photoproducts were formed by perphenazine and chlorpromazine. All of the active compounds showed more potent photohemolyzing activities in veronal buffered saline than in phosphate buffered saline. Substitution in 2-position of phenothiazine structure is thought to enhance this capacity, and particularly so when the substituent is chlorine. Substitution in 10-position of phenothiazine structure may also augment the phototoxic activity, though to a lesser degree.
鄭敬壽,申明哲,柳柄泰,金炳珏 충남대학교 약학대학 의약품개발연구소 1986 藥學論文集 Vol.2 No.-
The ether, methanol, and physiological saline extracts of the dried carpophores of ten basidiomycetous fungi, which were collected in the conifer woods of Chungnam National University at Taechon and Keyryoung Mountain Area in Chungcheungnamdo, were subjected to an antibiotic activity test by disc-plate method. Among them, the methanol extracts of Inocybe trechispora, Lactarius velumis, and Laccaria laccata and the ether extracts of I.trechispora showed antibiotic activities against Sarcina lutea; and the methanol extracts of I. trechispora and L. velumis and physiological saline extract of Coriolus versicolor showed antibiotic activities against Staphylococcus aureus; and the methanol extract of L. velumis showed antibiotic activity against Escherichia coli. None of the extracts, however, showed any activity against Serratia marcescens and Proteusvulgaris.