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VDT작업별 정신사회적 스트레스와 근골격계 장애에 관한 연구
백남종,강종두,주영수,배인근,권호장,박종만,조수헌,김돈규,김재용,최홍렬 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.4
It has been hypothesized that jobs that have both high psychological demands and low decision latitude("job strain") can lead to musculoskeletal disorder. The objective of this study was to test whether job strain was correlated with the presence of work-related musculoskeletal disorder, especially myofascial pain syndrome(MPS). Information on demographic factors, confounders such as household load and taking care of children or not, and scores for decision latitude, job demand, and social support was obtained by self-administered questionnaire, which had been developed in Korean language, by adopting NIOSH instrument and Extended Karasek Model(16 items). All subjects were also examined by rehabilitation medicine specialists for musculoskeletal disorders. Subjects(n=370) could be categorized into 4 groups, these were, housewives(n=89), shipyard CAD workers(n=89), general female workers(n=79; nurses, insurance counselors, public officials, clerks, etc), and telephone directory assistance operators(n=113). Results from univariate analyses indicated that all demographic factors, all confounders, scores for decision latitude and social support were not associated with the risk of musculoskeletal disorder. However, score for job demand was higher in musculoskeletal disorder cases than others. In subgroup analysis, this association was convinced again, in telephone directory assistance operators. Job strain model showed that the group of telephone directory assistance operators was high-stain group, and OR of musculo skeletal disorder was 2.446(95% C. I. : 1.174, 5.096), when comparing this with the low strain group. In conclusion, job strain is a risk factor for work-related musculoskeletal disorder.
Baek, Nam In,Cho, Sung Woo,Lee, Kil Soo,Lee, Byung Ryong,Kang, Jung Hoon,Kwon, Hyeok Yil,Park, Jin Seu,Bahn, Jae Hoon,Choi, Kyung Soon,Jin, Li Hua,Kim, Choong Kwon,Chang, Hyun Woo,Hwang, Eun Joo,Choi, 생화학분자생물학회 1970 BMB Reports Vol.34 No.2
Antioxidant enzymes, scavengers of the reactive oxygen intermediate (ROI), are involved in numerous defense systems in cells. In the present study, we investigated the effects of the hot-water extracts of two medicinally potent mushrooms (Ganoderma lucidum and Phellinus lieiteus) on the activity and expression of antioxidant enzymes in vitro and in vivo. The mushroom extracts stimulated the catalase activity in a dose-dependent manner in vitro, whereas the other antioxidant enzymes (such as superoxide dismutase (SOD), glutathione peroxidase (GPx)) were unaffected by the extracts. The catalytic activity of catalase in the liver and brain was significantly increased after the oral treatment of the mushroom extracts (2.5 g/㎏) to ICR mice for 2 months. Western blot analysis of the liver and brain tissues revealed that the expression level of catalase in the mice, treated with both mushroom extracts, was significantly increased compared to that of the control mice. However, the level of the SOD expression in the mice treated with the natural product extracts was unchanged under the same experimental conditions. Although the mechanisms for the stimulatory effect of the catalase expression by these extracts remains unclear, these results suggest that the ingredients of the Ganoderma lucidum and Phellinus linteus extracts act as an activator of catalase, and regulate the expression of catalase at the translationat or transcriptional level.
Flavonoids from Fragaria ananassa calyx and their antioxidant capacities
Baek, Yoon-Su,Song, Na-Young,Nam, Tae-Gyu,Kim, Dae-Ok,Kang, Hee-Cheol,Kwon, Oh-Keun,Baek, Nam-In The Korean Society for Applied Biological Chemistr 2015 Applied Biological Chemistry (Appl Biol Chem) Vol.58 No.6
The calyx of Fragaria ananassa (Rosaceae) has not been investigated for its chemical constituents and biological activity. This study focused on the isolation of active metabolites from the calyx of this plant. Compounds from F. ananassa calyx were extracted in 80 % aqueous MeOH and the concentrated extract was successively partitioned into EtOAc, n-BuOH, and $H_2O$ fractions. Repeated silica gel, octadecyl silica gel, and Sephadex LH-20 column chromatographies afforded six purified flavonoids. On the basis of spectroscopic methods, including $^1H$, $^{13}C$ nuclear magnetic resonance spectrometry (NMR), DEPT, and 2D NMR (gCOSY, gHSQC, gHMBC), the flavonoids were identified as kaempferol (1), astragalin (2), quercetin (3), isoquercitrin (4), sexangularetin (5), and sinensin (6). All the flavonoids were isolated for the first time from the F. ananassa calyx in this study. The flavonoids were evaluated for radical-scavenging capacity 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid ammonium salt), 2,2-diphenyl-1-picrylhydrazyl, and oxygen radical absorbance capacity methods. In conclusion, quercetin (3) consistently showed the highest ABTS, DPPH, and ORAC radical-scavenging activities compared with the other isolated flavonoids.
남부평야지 조기재배 적응 복합내병성 고품질 조생 벼 ‘조일’
남정권(Jeong Kwon Nam),박현수(Hyun Su Park),김기영(Ki Young Kim),김보경(Bo Kyeong Kim),조영찬(Young Chan Cho),고재권(Jae Kwon Ko),백만기(Man Kee Baek),김정주(Jeong Ju Kim),김우재(Woo Jae Kim),신운철(Woon Chul Shin),고종철(Jong Cheol 한국육종학회 2018 한국육종학회지 Vol.50 No.3
‘Joil’ is a multiple disease resistant early maturing rice cultivar with high grain quality. ‘Joil’ was derived from a single cross between ‘Unbong37’ (cultivar name ‘Unmi’) and ‘HR23156-26-2-3-5’. ‘Unmi’ is an early maturing rice cultivar with high grain quality and resistance to rice blast and stripe virus. ‘HR23156-26-2-3-5’ is an early maturing elite rice line with lodging resistance and cold tolerance. ‘Joil’ was selected through the pedigree method, yield trials, and local adaptability tests. ‘Joil’ was an early maturing rice. The heading date of ‘Joil’ was July 16 in early transplanting cultivation, which was 2 days later than that of ‘Jopyeong’. ‘Joil’ was a lodging resistance rice with a short culm and showed better tolerance to viviparous germination than that of ‘Jopyeong’. ‘Joil’ was a multiple disease resistant rice with resistance against rice blast, bacterial blight, and stripe virus. ‘Joil’ showed higher yield in both early and late-transplanting cultivations than those of the standard rice cultivars ‘Jopyeong’ and ‘Geumo’. ‘Joil’ had enhanced grain quality under high temperature ripening conditions in early transplanting cultivation. The cooked rice had good grain appearance and taste attributes, and this cultivar had a higher head rice ratio than that of ‘Jopyeong’. ‘Joil’, a multiple disease resistant early maturing rice cultivar with high grain quality, would be suitable for early transplanting cultivation in the southern plain area (Registration No. 6792).
A new mid-late maturing rice variety「Subo」with a good grain quality and for direct seeding
Man-Kee Baek,Woon-Chul Shin,Jong-Cheol Ko,Bo-Kyeong Kim,Jeong-Kwon Nam,Ki-Yeong Kim,Mun-Sik Shin,Ki-Yong Ha,Hyeon-Su Park,Hyeon-Jung Kang,So-Hyun Baek,Young-Jun Mo,Jae-Kwon Ko,Woo-Jae Kim,Young-Bok Le 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
‘Subo’ is a new japonica rice variety developed by a cross breeding between HR21124-B-59 and HR19567-B-70-3 having a good Phenotype with a multi-resistance and high yield elite line. The new variety developed for direct seeding by the rice breeding team in Rice Breeding and Cultivation Research Division, Department of Rice and Winter Cereal Crop, NICS, RDA in 2012. The heading date of this variety is August 13 and earlier than that of check variety, Nampyeongbyeo, by two days. ‘Subo’ has 72cm of culm length and 104 spikelets per panicle in direct seeding cultivation. This variety showed resistance to bacterial leaf blight and rice stripe virus and have germinating ability in sumerged soil conditions. The milled rice of this variety exhibits translucent and very clear non-glutinous endosperm. ‘Subo’ has much better palatability of cooked rice than that of Nampyeongbyeo. The whole grain rate of milled rice are 86.9% and milled rice recovery of are 74.6%. The yield of ‘Subo’ in direct seeding cultivation is 5.55MT/ha in milled rice. ‘Subo’ could be adaptable to the southern part plain area of Pyeongtaek and southwestern in Korea.
백승룡,남철현,배성욱,김성우,권현숙,이정옥,전연숙 慶山大學校 保健福祉硏究所 2002 保健福祉硏究 Vol.7 No.-
The purpose of this study is to analyze and grasp the actual lumbaginous condition and relevant factors of 1,182 beauty artists of beauty shops in 5 metropolitan cities, small-to-medium cities, and fishing or agrarian villages for 3 months from June 20 to September 25, 2000 through questionnaires. 1) They showed 61.0 percents in her twenties, 66.4 percents of unmarried women from all the female objects, 70 percents in high school graduates as educational background, 52.4 percents in metropolitan city as service place, 25.4 percents in smoking rate, 71.6 percents in drinking rate, 48.1 percents in general bed as condition of bedroom, 17.9 percents in exercising rate, 53.6 percents in 'little eating', 39.6 percents in two or three centimeters of heel, and 89.5 percents in hair as beauty-related professional field. 2) The rate of lumgaginous experience of beauty artists was 83.5 percents. They showed higher rate of 91 percents in the thirties and forties, 92 percents of the married, 93.9 percents in junior college graduates, 97.2 percents in higher economic classes, 88.7 percents in smokers, 85 percents in general bed, 89.3 percents in sleeping on one's face, 85 percents in swimming, 92 percents in stretch, 86.7 percents in 56 to 60 kilograms of weight, 89.7 percents in group O blood, 90.5 percents in experienced women of abortion, 97 percents in heel over 8 centimeters, 58.3 percents in 'feel much fatigue', 93.6 percents in inconvenient chair of beauty shop, and 89.4 percents in a lack of recess than other group. 3) The more women who have been experienced in lumbago, the higher their social treatment(p<0.01), income(p<0.001), working time(p<0.05), job potentiality(p<0.05), inner affinity(p<0.05), and job satisfaction of environment(p<0.001) were. Women who suffered much stress related to job environment(p<0.001), client(p<0.01), and their duty(p<0.01) showed high rate of lumbaginous experience. 4) In degree of lumbago by characteristic, there was the significant difference in age over 50-years-old, unmarried women, college graduates, service of small-medium cities, higher economic classes, smokers or drinkers, hot-floored room, sleeping with ransack, stretch or swimming, group A blood, fat body, experience of abortion, 6 to 7 centimeters of heel, convenient chair of beauty shop, insufficient recess, lumbago continued for one to the three months in comparison of other group. 5) There were variables of posture such as to place materials under one foot(p<0.001), to lay arm on armrest and desk(p<0.001), to pull materials near body while lifting them (p<0.05), to sometimes use anodyne(p<0.01), not to lift also light materials(p<0.001), to be inconvenient in sleeping(p<0.001), to be absent at job for two or three days(p<0.01). The degree of depression(p<0.001), had the significant effect on the degree of lumbago(32.7%). The results are as follows : Beauty artists have faced upon dangerous job environment to cause lumbago. The more the industrial society will be developed, the more their burden of service will be increased. In addition, the occupational stress and posture of beauty artists who showed high job satisfaction and high economical level became major factors which have had an effect on their lumbago. In conclusion, it is desirable for beauty-related organizations and professionals to positively develop program of health education with much concern as well as to lessen stress of beauty artists through education of job posture and rightful life in order to prevent lumbago of those beaut.
Kwon, Il,An, Sunho,Kim, Jayoung,Yang, Seung-Hee,Yoo, Joonsang,Baek, Jang-Hyun,Nam, Hyo Suk,Kim, Young Dae,Lee, Hye Sun,Choi, Hyun-Jung,Heo, Ji Hoe American Heart Association, Inc. 2017 Stroke Vol.48 No.10
<P>Conclusions-The risk of HT after a large cerebral infarction was significantly increased in rats pretreated with warfarin than those with dabigatran. However, the results here may not have an exact clinical translation.</P>