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지황잎의 급여가 이유자토의 발육에 미치는 효과(제Ⅱ보)
정현승,강봉태 한국축산학회 1969 한국축산학회지 Vol.11 No.2
This experiment was conducted to determine the effect of jiwhang's leaf on weaning Rabbits. Leaf of jiwhang substituted with 10%(T₁), 20%(T₂), and 30%(T₃) for grass in ration was fed 4 Chinchilla rabbits respectively and the other 4 rabbits were fed with basal ration. The experimental results obtained were as follows; 1) In weight gain T₁ lot showed more gain (P$lt;0.05) than that in the control. T₂ lot and T₃ lot showed less gain than that in the control. 2) Feed efficiency of T₁ lot was also higher than that in any other lots. But T₂ lot T₃ lot and respectively showed less feed efficiency than that in the control. 3) T₁ lot was must palatable to rabbits. But T₂ lot and T₃ lot respectively showed less palatability than that in the control. 4) All of the rabbits used in experimental period were in good health. T₁ lot was most vigorous. From the above mentioned results of this experiment it was estimated that the ration substituted with 10% of jiwhang's leaf was effective for Rabbits.
김원배,정재훈,윤보현,이석인,김민선,오태근,조보연,이홍규,고창순 대한내분비학회 1994 Endocrinology and metabolism Vol.9 No.3
It is well known that normal pregnancy is accompanied by a rise in serum concentrations of thyroxine-binding globulin(TBG) and human chorionic gonadotropin (hCG). Alterations of biochemical parameters of thyroid function are recognized during gestation and sensitive tests to evaluate the alterations easily are required. Therefore, a cross-sectional study was undertaken in 140 healthy pregnant women to evaluate the efficacy of free T_4 measured by 2-step RIA compared to other thyroid function tests and to confirm the changes of thyroid function according to the stages of normal pregnancy. The sensitivities of free T_4 index, free T_4(by 2-step RIA), T_3 and TSH were realtively high(99.3%, 93.6%, 92.9%, 83.6%, respectively) compared to those of T_4 and T_3 bead upgake(49.3%, 21.4%) during all stages of pregnancy. There were positive correlations between free T_4 index and free T_4 or total T_4(r=0.68, r=0.72; p$lt;0.001). The values of free T_4 index sharply decreased from 3.22+-0.10(meam +-SEM) during 6th-12th week to an plateau after 16th-20th week of gestation(p$lt;0.01). The serum concentrations free T_4 and T_3 bead uptake also significantly decreased from 1.65+-0.05 ng/dl, 24.7+- 0.7% during 6th-12th week to an plateau after 16th-20th week of gestation, respectively(p$lt;0.001), No differences were found in the changes of serum concentrations of T_3, T_4 and TSH according to the stages of pregnancy. In conclusion, it is adequate to measure some tests including free T_4 index and free T_4 to evaluate thyroid function during pregnancy. The thyroid physiology and changes of thyroid function according to the stages of pregnancy should be considered in the interpretation of thyroid function status during pregnancy(J Kor Soc Endocrinol 9: 183-189, 1994).
서울대학교 保健大學院 博士課程 敎育프로그램의 評價的 硏究
정인숙,박태진,김성옥,배은영,박은옥,김정순,문 용 서울大學校保健大學院 1997 國民保健硏究所硏究論叢 Vol.7 No.2
The doctoral program of school of Public Health in Seoul National University was established in 1976 and about 100 students have graduated or completed the course. Even though there have been several studies on evaluating the educational programs of the school, both master's and doctorate's since early 1980s, this study was carried out to identify needs of students, their performance and perceived achievements, unmet needs and barriers in achieving their educational goals only on doctoral graduates. The study was done by the students of doctoral program taking 'evaluative research in public health services' course as a practice under the direction of the teaching staff. Out of 91 eligibles 51 persons responded to the mail and/or telephone interview, and the results obtained are as followings: 1) The goal of the doctoral program of the Public Health, SNU that was to produce competent public health specialists furnished with full abilities of performong research, education and administration(service)has not been changed since 1976 as was set on the program establishment. 2) The objective of enrollment to the program stated by the subjecs varied considerably; majority of them(47%) for expanding scope of public health sceience, for advanced degree(39%), for contribution to the progress of public health sceience(20%), for better job(20%) and for pure academic interest(2%). 3) The needs of students by area of concern, for instance research, theaching and administration, each classified into several performance is viewed as the proportion accomplished out of needs, which are quantified by 5-point Likert scale, most of the graduates indicated that they have accomplished their needs in 83-92% for research abilities, 75-92% for teaching sbilities and 72-96% for administration abilities, the average performance being the highes in research. 5) The barriers that hindered their performance were the school facilities, such as library(72.5%), deficient funds for research(39.2%), insufficient students' room(33.3%) and deficient laboratory supplies(25.5%). 6) The barrier related to student's characteristics were insufficient study time for part-time student(56.9%), deficient study motivation(45.1%), tendency to take easy curriculum(29.4%) and addmittence of less qualificated students(19.6%). 7) The barrier related to professor's characteristics were deficiency of self-development endeavour(62.7%), lack of professor majoring in some particular fields of public health(39.2%), infrequent collaborative researches/activities with students (17.6%), and absolutely deficient number of professors that are necessary for the program(17.6%). In general, however, the graduates appered to be satisfied in terms of what they have accomplished through the current educational program, which have been revised by the school from time to time to cope with the student's as well as community's demand.
Pi, S.-H.,Jeong, G.-S.,Oh, H.-W.,Kim, Y.-S.,Pae, H.-O.,Chung, H.-T.,Lee, S.-K.,Kim, E.-C. Blackwell Publishing Ltd 2010 Journal of periodontal research Vol.45 No.2
<P><I>Pi S-H, Jeong G-S, Oh H-W, Kim Y-S, Pae H-O, Chung H-T, Lee S-K, Kim E-C. Heme oxygenase-1 mediates nicotine- and lipopolysaccharide-induced expression of cyclooxygenase-2 and inducible nitric oxide synthase in human periodontal ligament cells. J Periodont Res 2010; 45: 177–183. © 2010 John Wiley & Sons A/S</I></P><P>Background and Objective: </P><P>Although heme oxygenase-1 (HO-1) plays a key role in inflammation, its anti-inflammatory effects and mechanism of action in periodontitis are still unknown. This study aimed to identify the effects of HO-1 on the proinflammatory mediators activated by nicotine and lipopolysaccharide (LPS) stimulation in human periodontal ligament (PDL) cells.</P><P>Material and Methods: </P><P>The production of nitric oxide (NO) and prostaglandin E<SUB>2</SUB> (PGE<SUB>2</SUB>) was evaluated using Griess reagent and an enzyme immunoassay, respectively. The expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and HO-1 proteins was evaluated by Western blot analysis.</P><P>Results: </P><P>Lipopolysaccharide and nicotine synergistically induced the production of NO and PGE<SUB>2</SUB> and increased the protein expression of iNOS, COX-2 and HO-1. Treatment with an HO-1 inhibitor and HO-1 small interfering RNAs blocked the LPS- and nicotine-stimulated NO and PGE<SUB>2</SUB> release as well as the expression of iNOS and COX-2.</P><P>Conclusion: </P><P>Our data suggest that the nicotine- and LPS-induced inflammatory effects on PDL cells may act through a novel mechanism involving the action of HO-1. Thus, HO-1 may provide a potential therapeutic target for the treatment of periodontal disease associated with smoking and dental plaque.</P>
Direct Observation of Sequential Weak Decay of a Double Hypernucleus
AOKI, S.,BAHK, S. Y.,CHUNG, K. S.,CHUNG, S. H.,FUNAHASHI, H.,HAHN, C. H.,HARA, T.,HIRATA, S.,HOSHINO, K.,IEIRI, M.,IIJIMA, T.,IMAI, K.,ISHIGAMI, T.,ITOW, Y.,KAZUNO, M.,KIKUCHI, K.,KIM, C. O.,KIM, D. C 國立昌原大學校 基礎科學硏究所 1992 基礎科學硏究所論文集 Vol.3 No.-
We have studied stars in nuclear emulsion due to the capture at rest of the ??? hyperons produced in the(???) reaction. The sequential weak decay of a double hypernucleus(nucleus with S= -2) has been directly observed. The double hypernucleus is assigned as either ???? or ????. This assignment excludes the existence of the H dibaryon lighter than 2203.7±0.7 MeV/c².
이종철,유명희,윤휘중,신영태,정순일,조보연,이문호,이명철 대한핵의학회 1981 핵의학 분자영상 Vol.15 No.1
To evaluate the diagnostic accuracy of the measurement of free thyroxine(FT4) by radioimmunoassay, we measured free T4 and T4, T3, T3RU, TSH and TBG serum levels by radioimmunoassay in 18 healthy persons and 52 patients with various thyroid diseases and 11 normal pregnant women. The results are as follows. 1) In 19 cases of overt hyperthyroidism, T3, free T4 and FTI, T4/TBG ratio reflect hyperfunction in all cases. T4 is increased in 94%(18/19) and TBG and TSH are decreased in 79%(15/19). 2) In 8 patients with overt hypothyroidism, TSH is increased in all cases and free T4 and FTI is decreased in all cases. T4 is decreased in 87.5%(7/8), T3 is decreased in 75%(6/8) and T4/TBG ratio is decreased in 62.5%(5/8). 3) In 5 patients who are clinically in euthyroid state after treatment of hyperthyroidism, T4 free T4, FTI and TSH are in the normal range in all cases and T3 is normal in 60%(3/5) and slightly increased in 40%(2/5). 4) In 10 patients who showed clinically borderline hypothyroidism after treatment of hyperthyroidism, TSH is increased in all cases and free T4 and FTI are decreased in all cases, but T4 and T3, T4/TBG ratio are in the normal limit in all cases. So after treatment of hyperthyroidism, TSH, free T4 or FTI are recommended as optimal function test. 5) In normal pregnancy, free T4, FTI and T4/TBG ratio reflect normal function, but the other parameters unreliable due to the influence of increased TBG. Also TBG and TSH level in pregnancy is increased significantly compared with normal healthy control group. 6) The coefficients of correlation between T4 and FTI were 0.862(p〈0.001) and 0.685(p〈0.001) between free T4 and T4/TBG ratio. In most patients, diagnostic value of free T4 was comparable and even superior to FTI, so free T4 measurement can be used routinely with thyrotropin assay in the diagnosis of hypothyrodism or with T3 for the diagnosis of hyperthyroidism.
韓國産硫黃細菌에 관한 硏究(Ⅰ) : 韓國産 硫黃細菌의 分離 및 同定
李培咸,丁聖九,李文煥,崔泰鎬 건국대학교 1969 學術誌 Vol.10 No.1
The experiments have attempted to isolate thiobacilli in oder to studies on the elimination of sulfer in Kerosene and on the refinning of a metal mines. The Thiobacilli isolated from soil and sewage which were collected through south Korea identified as follows accordance with Waksman's observation and description of Bergey's manual. Strain SP-S-1 was considered the same as T. thioparus, and Sp-Se-3 the same as T. denitrificans, and TF-S-5 the same as T. ferrooxidans, and ON-Se-1 the same as T. concretivorus, and WO-Se-3 was identified with T. thiooxidans.