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영지버섯 생장점 단백다당체 GLB의 대식세포 활성화 효과
오정연,조경주,정수현,김진향,Lillehoj, H.S.,정경수 충남대학교 약학대학 의약품개발연구소 1998 藥學論文集 Vol.14 No.-
In the previous study we described the antitumor activity of GLB. a protein-polysaccharide fraction of the growing tips of Ganoderma lucidum, against sarcoma 180 solid tumor in ICR mice. In this study we investigated the stimulatory activity of GLB on macrophages. When analyzed using a flow cytometer. GLB (100 ㎍/㎖) was found to increase the phagocytic activity of the BALB/c mouse peritoneal macrophages as well as chicken macrophage BM2CL cells against FTTC-labeled C. albicans by 55.2% and 21.2%, respectively. GLB also increased the spreading and the expression of MHC class Ⅱ molecules of BM2CL cells as well as the mouse peritoneal macrophages. From these results, it is clear that GLB is a strong stimulator to the macrophages.
오영열,강동수,김해섭,김경은,최옥수,배태진 여수대학교 산업기술지역개발연구소 2000 産業基術硏究所 論文集 Vol.9 No.-
Conditions for processing dried condiments with bloody clam were investigated. The enzymatic hydrolysis for 1 hour was more profitable than hydrothermal extraction to develop flavoring matters from bloody clam. As a result of omission tests, nucleotides were predominated in the taste compounds of bloody clam hydrolysates rather than free amino acids, and the contribution of nucleotides and free amino acids to the taste of bloody clam hydrolysates was remarkable. The major flavoring components of bloody clam hydrolysates were free amino acids and oligopeptides below 500 dalton. When bloody clam hydrolysates were separated with membrane(molecular weight cutoff 500 dalton) for recovering flavor, recovering yields of amino type nitrogen were 92.4%. Proximate compositions of dried condiments prepared with protease hydrolyzed bloody clam were moisture content 3.6%, total nitrogen were 71.2% amino nitrogen were 47.8%. And drying yield, solubility and absorption rates at Aw 0.88 were 21.4%. 86.3% and 6.6%, respectively.
ZVS-LC 및 LCC형 부하병렬 공진 DC-DC 컨버터의 특성해석
오경섭,남승식,김동희,노채균 영남대학교 공업기술연구소 2000 工業技術硏究所論文集 Vol.28 No.1
The proposed converter connected by two capacitors in parallel with switching devices. The converter reduce the switching loss and switching noise and voltage stress at switching instants. This paper describes the operating principle of the proposed LC and LCC-Type Load Parallel Resonant DC-DC Converter Using ZVS capacitors. The analysis of the proposed circuit are described of using the normalized parameters to be required in all the design steps. Also, the principle of basic operating and the characteristics of driving were estimated switching frequency and the parameter. And, the data fur designing got by the characteristic values example of the design's method was proposed. And, this paper conform a rightfulness of theoretical analysis by comparing a theoretical values obtained from simulation results and experimental values obtained from experiment using MOSFET as switching device.
폐신문지 당화를 위한 과산화수소-암모니아 재순환 침출 공정
오경근,김영수 단국대학교 1998 論文集 Vol.33 No.-
The method of the Pretreatment with hydrogen peroxide and ammonia was investigated as a means of fractionating waste newspaper. The main feature of this process is pumping ammonia water into a packedbed 2 reactor after the prereaction of newspaper with hydrogen peroxide. To increase the enzymatic digestibility of treated newspaper, the effect of temperature was studied. The extent of delignification was not dependent on the temperature significantly. The cellulose content, however, was increased. The enzymatic digestibility of the newspapers which were pretreated at 170-170℃ of reaction temperature was substantially higher than that of untreated newspaper.
영지버섯 생장점 단백다당체 GLB-A, GLB-B의 항암효과 및 면역 활성에 관한 유세포 분석학적 연구
오정연,정경수 충남대학교 약학대학 의약품개발연구소 1998 藥學論文集 Vol.14 No.-
In the previous study we described the antitumor effect of GLB, a protein-polysaccharide fraction separated from the growing tips of Ganoderma lucidum, against sarcoma 180 solid tumor in ICR mice. In this study, we separated an acidic protein-polysaccharide fraction. GLB-A, and a basic protein-polysaccharide fraction. GLB-B, from GLB by differential precipitation, and elucidated their antitumor and immunomodulatory activities. When ip injected at the dose of 50 ㎎/㎏/day into the ICR mice. GLB-A and GLB-B inhibited the growth of ip implantated sarcoma 180 cells by 32.4% and 21.0%, respectively. Of these, GLB-A increased the % lymphoblast in the spleen of the tumor-bearing and the mormal mice by 20.9% and 123.0%, and the CD4/CD8 ratio by 73.3% and 22.4%, respectively. GLB-A also increased the expression of CD25 (IL-2 receptor α chain) in normal mice by 82.0%. These results strongly suggest that GLB-A is a promising candidate for antiumor immunomodulatory medicine.
오경화 호남대학교 대학원 2014 호남대학교 대학원 논문집 Vol.9 No.-
The purpose of this study is to analyze the effects of parents' child-rearing attitudes and satisfaction with university life on Korean and Chinese university students' self-efficacy based on the survey. According to the study, the group differences between Korean and Chinese students(X2 verification) are as follows. First, regarding the difference in how Korean and Chinese students perceive child-rearing attitudes, the obvious distinction between parents' encouraging atmosphere and autonomy can be observed. Second, Chinese students show a higher approval rating on the life satisfaction indexes such as education service, administration service, physical environment, and in order to demonstrate how Korean and potential for development compared to Korean students. Especially, Chinese students seem to be more satisfied with physical environment and education service. Third, when it comes to the understanding of the self-efficacy, Chinese students tend to be positively aware of self-confidence and self-control efficacy. It is suggested that the higher parents' child-rearing attitudes, autonomy, the level of encouraging attitudes and rationality, the more the Chinese students feel satisfied with their lives while parents' child-rearing attitudes have little influence on the way Korean students feel satisfied with their lives. As a result, there is a clear difference in the way parents' child-rearing attitudes affect the Korean and Chinese students' self-efficacy. With respect to the relationship between the life satisfaction and their self-efficacy, there is no difference between Korean and Chinese students. This study would pave the way for confirming the relationship between the necessary educational environment and parents' child-rearing attitudes. In addition, it would lay the foundation for the further study on the improvement of satisfaction with the education.
권오경,성하정,곽형일,방명주,신대희,이진영,박대규,정규혁,윤효인,조명행 성균관대학교 약학연구소 1998 成均藥硏論文集 Vol.10 No.1
Single and 4 weeks oral administration of New Woohwangchungsimwon (NWCH) which was used l-muscone as substitutive material of musk, to beagle dogs of both sexes were performed to investigate both acute and subacute toxicity. Beagle dogs(3 males and 3 females) in acute experiments were administered orally with single dose of 2,000 ㎎/㎏ and groups of 9 male and 9 female beagle dogs in subacute experiments were given daily different dosage of NWCH, 160 ㎎/㎏/day(low dosage group), 400 ㎎/㎏/day (middle dosage group), 1,000 ㎎/㎏/day (high dosage group) once a day for 4 weeks by oral route according to the Established Regulation of Korea Food and Drug Administration (1996. 4. 16). LD_50 value for beagle dogs was more than 2,000 ㎎/㎏ per oral for both male and females. In animals administered with NWCH, there were neither dead animals nor significant changes of body weights. In addition, no differences were found between control and treated groups in clinical sign, urinalysis, eye examination, hematology, serum chemistry, organ weight and other fingings. No histological lesions were observed in both control and treatment groups. Above data strongly suggset that NWCH in beagle dogs is considered to be safe.
김경신,윤상희,김오남 全南大學校家政科學硏究所 1995 生活科學硏究 Vol.5 No.-
The purposes of this article are to find general trends of college students' attitude of love and sex consciousness, to estimate the differences according to related variables and to investigate relation of attitude of love and sex consciousness. The data were obtained through 130 men and 113 women college students living in Kwangju. The major findings are as follows; 1. Men college students' attitude scores of love were higher than women's and it was significantly different in passion, commitment, and total attitude of love accord-ing to gender. Women college students' sex consciousness was more traditional and sex knowledge scores were lower than men. 2. Attitude of love was significantly different from income, dating motive and dating experience in men and dating motive and dating frequency in women. Sex consciousness was significantly different from income, mother's age, dating experience, dating duration and dating frequency in men and residence, dating experience and dating duration in women. Significant differences in sex permissiveness were found according to intimacy in men and passion in women students. 3. Men college students' attitude of love was not related to sex consciousness but women students' was significantly related.