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신태용,염정열,김원,김현미,박해정,장진이,조성룡,채병숙 우석대학교 생명과학연구소 1998 생명과학연구소 논문집 Vol.2 No.-
We investigated the effect of aqueous extract of Ammomum xanthioides(AXAE) on immediate hypersensitivity. AXAE inhibited systemic anaphylaxis induced by compound 48/80 in mice. AXAE inhibited serum histamine levels induced by compound 48/80 in mice. Moreover, AXAE dose-dependently inhibited histamine release in peritoneal mast cells activated by compound 48/80. These results indicate that the AXAE may be benificial in the regulation of immediate type allergic reaction.
Aspergillus oryzae에 존재하는 Invertasese 특성
신미해,박인식 東亞大學校附設遺傳工學硏究所 1996 遺傳工學硏究 Vol.- No.3
Aspergillus oryzae NRRL 3485로 부터 invertase를 dialysis및 DEAE-Sephacel 이온 교환수지에 의하여 부분정제하였다. 효소작용의 최적 pH와 온도는 각각 5.0과 55℃였다. 효소의 활성화에너지는 5.6kcal/mole이었으며, 30℃에서 5일간 incubation시켰을 경우에 pH 5.0에서 9.0까지 안정하였다. 효소는 70℃에 보관했을 경우에 10분이내에 완전히 불활성화하였다. 그리고, 효소는 2가 금속이온인 Hg+와 Cu+에 저해를 받았다. 기질로 sucrose를 사용했을 경우 효소의 Km 값은 34mM이었다. 효소는 tryptophan특이 시약인 N-bromosuccinimide에 의하여 불활성화되었으며, 따라서 tryptophan잔기가 효소의 활성부위 또는 부근에 존재하는 것으로 사료된다. The invertase from Aspergillus oryzae NRRL 3485 was partially purified by dialysis and DEAE-Sephacel ion exchange chromatography. The optimum pH and temperature of the enzyme was 5.0 and 55℃, respectively. The activation energy of the enzyme was identified as 5.6 kcal/mole. The enzyme was stable at pH ranges from 5.0 to 9.0 when incubated at 30℃ for 5 days. However, it was completely inactivated when incubated at 70℃ for 10 min. The Michaelis-Menten constant (Km) of the enzyme was 34.0 mM with sucrose as a substrate. The enzyme was inhibited by divalent metal ions such as Hg²+ and Cu²+. It was also inactivated by N-bromosuccinimide which is tryptophan specific reagent, indicating tryptophan residue might be important in either enzyme catalysis or maintaining active conformation of the enzyme.
천마분말이 고콜레스테롤혈증 흰쥐 혈청의 지질성분에 미치는 영향
박미연,성낙주,신정애,이수정,박필숙 동아시아식생활학회 1998 동아시아식생활학회지 Vol.8 No.1
This study was designed to investigate the optimum recommendation level on Gastrodia rhizoma and the effects on the improvement of the lipids in the dietary hypercholesterolemic rats. Experimental diets mixed with 5% Dioscorea batatas(Group 2), 10% Dioscorea batatas(Group 3), 15% Dioscorea batatas(Group 4), 5% Gastrodia rhizoma(Group 5), 10% Gastrodia rhizoma (Group 6) and 15% Gastrodia rhizoma(Group 7) were administered to the male rats of the Sprague Dawley for 3 weeks. Concentration of total cholesterol in serum was lower in the Gastrodia rhizoma groups than in the other groups, especially total cholesterol concentration of 10% Gastrodia rhizoma(Group 6) was the lowest in the Gastrodia rhizoma groups. Concentration of HDL-cholesterol in serum was higher in the 10% Gastrodia rhizoma and 15% Gastrodia rhizoma than in the other groups. Concentrations of cholesterylester, LDL, LDL-cholesterol in serum were the lowest in the 10% Gastrodia rhizoma. Concentration of glucose and activity of GPT in serum were the lowest in the 10% Gastrodia rhizoma group. The activity of GOT in serum was lower in the 10% Gastrodia rhizoma group and 15% Gastrodia rhizoma group than in the other groups. Therefore, we consider that there are effects on the improvement of the lipids in the Gastrodia rhizoma and the optimum recommendation quantity of Gastrodia rhizoma is 10% to quantity of food composition.
송도미,이승희,신연욱,장혜경,오경숙,전현 효성여자대학교 가정대학 학도호국단 1984 家政大論集 Vol.3 No.-
This study given here presents the results of an experimental investigation of the iron contents contained in the city water which not used for a long time in the winter. The measurements were performed after turning on and for flowing water in a moment. And the quantitative analysis was studied by chemical form and the results were as follows. 1. The content of the ferrous ion was 113.8-14.4 ppm, water soluble iron was 22.5-14.4 ppm and acid soluble iron was 150-10 ppm. 2. Iron contents of the each chemical from gradually reduced but it appeared high value than standard value of city water until five minutes.
아동의 사회적 문제해결능력과 어머니의 대화형태와의 관계연구
김재림,백은주,신유림,심미경,이혜경 연세대학교 생활과학대학 1985 婦學 Vol.18 No.-
The present study investigated the relationship between the social problem solving ability of children and the language patterns of their mothers. The subjects included 193 nine yearolds (185 girls, 108 boys), and 230 twelve yearolds (115 girls, 115 boys). The instruments used were a language patterns test for the mother and IPA (Interpersonal Problem Solving Ability Test) for children. Major finding from this study were: ⑴ the correlation between the social problem solving ability of children and the language patterns of their mothers was not statistically significant, ⑵ the language patterns of the mothers were significantly different by child's sex; for boys, mother used more ordered language patterns and for girls, mothers used more ordered language patterns and for girls, mothers used more humanoriented language patterns, ⑶ the social problem solving ability of children were significantly different by child's age; 12yearolds exhibited higher ability than 9yearolds.
과민성 장 증후군의 증상 경감을 위한 비약물적 접근 고찰
최명애,김금순,안경주,채영란,최정안,홍해숙,박미정,이경숙,신기수,정재심 대한기초간호자연과학회 2005 Journal of korean biological nursing science Vol.7 No.2
There have been many trials of clinical efficacy of multicomponent and single component treatments for irritable bowel syndrome(IBS). We reviewed effects of non phamacological treatments in the IBS. Though the efficacy of multi-component approaches was unclear, several results suggest that cognitive behavioral therapy was effective in improving gastrointestinal symptoms of IBS. As a single component, cognitive therapy and relaxation with or without biofeedback could improve the symptoms and psychological health of IBS patients. Yoga, meditation, self-help information and hypnotherapy could be applicable to IBS.
국내에서 유행하는 HIV의 전파 경로에 따른 Subtype 분포
이주실,남정구,김성순,강춘,최병선,김옥진,박미선,성봉모,서순덕,전수경,변승옥,신영오,조해월 대한감염학회 2001 감염 Vol.33 No.5
Background : Previous data have been reported that subtype B is prevalent in South Korea, but neither the extent nor the proportion of subtypes could be evaluated. This study was designed to analyze the distribution of HIV-1 subtypes, temporal instructions and transmission dynamics between epidemiological groups. Methods : 1,280 Koreans had been diagnosed as HIV seropositive during the period 1985 to 2000. Among them, 134 individuals were selected for this molecular epidemiological study. 134 DNAs were isolated from uncultured or cultured peripheral blood mononuclear cells. V3-V5 (0.7 kb) fragment of HIV-1 env gene was amplified by nested polymerase chain reaction and was sequenced. Results : HIV-1 isolates from thirty-seven homosexuals were all subtype B (100%). On the other hand, 66 isolates from 94 heterosexuals were subtype B (70%) and 28 were non B subtypes (30% : 13 A, 4 C, 2 D, 8 E , 1 G). Only subtype B strains were isolated from 73 males who were infected with HIV inside Korea while 16 B and 20 non B subtype strains were isolated from 36 males who were HIV infected outside of Korea. However, B and non B strains were isolated half and half from females who were infected inside Korea except one. Conclusion : The HIV-1 subtype B strains are prevalent in Korea from the early HIV infection until present in both homo and heterosexuals. Non B strains have been transmitted from men who were infected outside Korea to their spouses and casual partners. So, we need further study to monitor subtype B and non B HIV transmission in epidemiological groups of Korea, (Korean J Infect Dis 33:311∼318, 2001)