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이재근,김치년 한국정원학회 2001 한국전통조경학회지 Vol.19 No.1
This study is analysis of the traditional pond at Dae-Sul Myeon, Yesan-gun, Chung-Nam based on old documents, actual survey, interviews with inhabitants and Lee's descendents to excavate traditional pond. The important results are following. 1. When Lee San-haes grave was built in mid Yi dynasty, this traditional pond was also built to make a front yard of grave into a very good place by Lee Duck-Hyung (Han Eum, 1561-1613), the second son-in-law of Lee San-hae(1539-1609) on geomancer's advice. 2. Looked down from his grave in Mt. Bonsu whose shape is girl-playing-a string, this artificial pond was not only for getting water but for making a good site with soil in view of feng-shui, Yin and Yang theory. This is a differentiated and specific style compared with those of palaces, high officials gardens, temples and villas. 3. As this pond is in the approach to the town, it comes to play a main entrance role in town and surroundings and its practical usages give inhabitants and Lee's descendents much convenience because it divides rice field into two parts as reservoir, the upper and the lower part. 4. Three round islands in the pond symbolize Bonrae, Bangzang, Youngju and a zelkova tree in each island expresses hermits thought of Taoism pursuing no aging and longevity. We can infer Yin and Yang from the shape of changed trapezoid pond (L: 90M×W: 20M) with round islands in the its middle which was popular in pond near the house at that time. 5. This pond flows from the east-southern corner to north-west coner, and its depth is 1.8M-1M with relatively clean water quality. These mean that heights of both water gate is different in diagonal direction to make its flow smooth. So this pond has kept its good condition in muddy degree, clarity, chromaticity to taking circulation system of traditional ponds. 6. To maintain structural stability, an embankment with small stones are built in lower part, with soil in upper part. But it needs to recover its original shape as a relic because repair work was done with stone for convenience sake in northern part. And two cherry trees and weeping willows around the pond should be repaired into original shapes according to old documents and specialists opinions. This study is about peculiar pond as a relic which was built for another goal and by special method. But due to its rare documents and detail research, this study has lots of limits, and leave them as next tasks.
이경종,장재연,박재범,조선미,이세휘,김종구,이순영,곽정자,정호근 大韓産業醫學會 1999 대한직업환경의학회지 Vol.11 No.4
Objectives : This study was conducted to reveal the health effects of aircraft noise on the residents live near the military airport. Methods : We sampled systematically 87 residents as the high exposed group, 58 residents as the low exposed group according to the geographical distance from the airport. We also sampled 67 residents as the control group lived far from the airport. Noise levels were measured for conform the exposures. Self-administered questionnaires for symptoms, air conduction hearing threshold level, blood pressure blood cholesterol with health examinations, and SCL-90-R were introduced to get the data from the residents. Results : The Ld/n at the area near the airport was 72.4 dB, however that of control area was 67.7 dB. The value of pure tone average, high pure tone average, and threshold of 4,000 Hz were decreased with exposure level significantly. Linear regression analysis showed that the noise exposure level of the airport was related to the hearing threshold at pure tone average, threshold of 4,000 Hz, and high pure tone average. The systemic and diastolic blood pressure showed dose-response relationship with noise exposure. The prevalence of hypertension was higher in exposed group, but not statistically significant. In linear regression, noise level was related to systolic and diastolic blood pressure with other variables such as age, sex, BMI(Body Mass Index), and family history of hypertension. SCL-90-R showed that exposed group had higher score significantly in neurotic and psychologic variable and felt the various somatic symptoms. Conclusions : These results suggest that aircraft noise would influence hearing loss at low frequencies as well as 4,000 Hz and higher frequencies, systolic and diastolic blood pressure, and psychological response.
뇌졸중 후 중추성 통증 환자에 대한 동서협진이 진통과 재활에 미치는 영향
이현종,김수영,이상훈,서동민,이두익,김건식,이재동,이윤호,양형인,박재경,최도영 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2003 東西醫學硏究所 論文集 Vol.2003 No.-
Purpose : In order to study the effectiveness of East-West pain treatment on central poststroke pain(CPSP), we evaluated its effect on alleviation of pain and rehabilitation of CPSP Patients who were treated with electroacupuncture and west pain treatment for four weeks. Methods : Twenty four patients diagnosed by their pain characteristics of central pain from stroke were treated with sympathetic nerve block, gabapentin, amitriptyline, and electroacupuncture for four weeks. Pain intensity through the visual analogue scale(VAS), and improvements of mobility and rehabilitation through the modified Barthel index(MBI) and Rankin scale(RS), respectively, before and after pain treatment were also assessed. Results : VAS pain scores were significantly improved from 7.7±1.7 to 4.4±2.0 with pain treatment(p<0.05). In accordance with improvement of pain scores, RS and MBI scores were also improved from 2.88±0.95 to 2.13± 1.01 and from 83.0± 16.9 to 94.7±9.5(p<0.05), respectively, with pain treatment(p<0.05). Conclusions : It was suggested that the active pain treatment was contributed to the rehabilitation of CPSP patients, resulting in improvement of quality of life of CPSP patients. Futhermore, East pain treatment in combination with West pain treatment may be useful modality to alleviate CPSP.
방역작업자의 브롬화메틸(methyl bromide) 노출수준과 생물학적 모니터링
이종성,이용학,신재훈,최정근,오차재,정호근 한국산업위생학회 2001 한국산업보건학회지 Vol.11 No.3
This study was performed to estimate environmental and biological monitoring of worker exposed to methyl bromide through quarantine fumigation. Airborne methyl bromide and it's metabolites were analyzed by gas chromatography and ion chromatography, respectively. The results are as followings; airborne concentration of methyl bromide(TWA) was 2.08±1.56 ppm(N=8). Dispersion and setting/degas groups were 0.67±0.12 ppm(N=2) and 2.54±1.53ppm(N=6), respectively. Bromide ion concentration in serum was 23.40±14.91㎎/ℓ(N=10) in the exposed workers and 4.74±0.82㎎/ℓ(N=21) in the non-exposed workers. Bromide ion concentration in urine was 35.56±26.89㎎/ℓ(N=11) in exposed group and 6.62±2.31㎎/ℓ(N=21) in non-exposed group. Good correlation was observed between concentration of serum and urine(r^2=0.890 p<0.01). No significant correlations of other determinanats were observed. Calcuated from a regressive curve. the biological half lifes of serum and urine were 10.7 and 5.9 days. In these results, biological monitoring of bromide ion of serum and urine provided useful information for evaluating exposure of workers to methyl bromide, so that an availability of bromide ion of biological samples was showed as biological monitoring indices for methyl bromide.
추황배(Pyrus pyrifolia Nakai cv. Chuhwangbae) 과피로부터 1종의 Sterol과 3종의 배당체 화합물의 단리·동정
이유건(Yu Geon Lee1),조정용(Jeong-Yong Cho),이현주(Hyun Joo Lee),이용현(Yong Hyun Lee),이상현(Sang-Hyun Lee),한태호(Tae-Ho Han),김월수(Wol-Soo Kim),박근형(Keun-Hyung Park),문제학(Jae-Hak Moon) 한국식품과학회 2013 한국식품과학회지 Vol.45 No.5
본 연구에서는 배의 유용성 증명을 위한 일환으로 배의 화학성분을 분자수준에서 밝히고자 하였다. 이에 배 과피 MeOH 추출물을 용매분획하여 얻은 EtOAc-산성 분획과 EtOAc-중성분획을 대상으로 Sephadex LH-20, silica gel, 그리고 ODS colmn chromatography와 HPLC를 이용하여 정제 및 단리하였다. 그 결과, EtOAc-산성 분획과 EtOAc-중성 분획으로부터 각각 2종씩의 화합물을 단리하였다. 단리된 화합물 1-4는 1H- 및 13C-NMR 분석을 통하여 각각 (S)-(+)-2-cis-abscisic acid O-β-D-glucopyranosyl ester (화합물 1), 1-[4-O-β-D-glucopyranosyl]phenyl ethanone(piceoside, 화합물 2), β-sitosterol (화합물 3), 그리고 β-sitosteryl 3-O-β-D-glucopyranoside (화합물 4)로 동정되었다. 단리된 3종의 배당체 화합물(화합물 1, 2, 4)들은 본 연구에 의해 배로부터 처음 동정되었으며, 화합물 3은 추황배로부터 처음 동정되었다. 본 연구결과가 배 함유 성분연구는 물론 배의 기능성 해명 연구에도 추후 중요한 기초자료로 활용되길 기대한다. We isolated and identified antioxidants from acidic and neutral ethyl acetate fractions of the peel of pear (Pyrus pyrifolia N. cv. Chuhwangbae). We isolated 4 compounds from the methanol extract, by using 3 different types of column chromatography (Sephadex LH-20, silica gel, and octadecylsilane) and preparative HPLC. We identified the isolated compounds as (S)-(+)-2-cis-abscisic acid O-β-D-glucopyranosyl ester (compound 1), 1-[4-O-β-D-glucopyranosyl]phenyl ethanone (picroside, compound 2), β-sitosterol (compound 3), and β-sitosteryl 3-O-β-D-glucopyranoside (compound 4) by nuclear magnetic resonance analysis. We are the first to report the identification of compounds 1, 2, and 4 from pear.
이차원전기영동법을 이용한 길항세균 Bacillus licheniformis DM3와 이의 항진균 활성 결여 돌연변이균주간 단백질 비교 분석
이영근,김재성,정혜영,장유신,장병일 한국환경농학회 2003 한국환경농학회지 Vol.22 No.3
항진균 활성균주를 선발하는 과정에서 DM3 균주를 대천 바닷가에서 수집된 진흙 시료로부터 분리하였으며 API 50CHB kit를 이용하여 동정한 결과 Bacillus licheniformis로 동정되었다. 이 균주는 12종의 식물병원성 진균에 대해 항균활성을 나타내었다. 감마선(^(60)Co)을 조사하여 항진균 활성 결핍 돌연변이체(mDM3)를 유도한 후, 이차원전기영동으로 단백질을 분석한 결과 DM3와 mDM3에만 존재하는 각각 4종과 3종의 단백질을 확인할 수 있었다. 2-DE 결과 B. licheniformis DM3에서 spot 1은 serine hydroxymethyltransferase(45.0 kDa), spot 2는 hypothetical protein(40.7 kDa), spot 3는 NifU protein homolog(15.4 kDa), 그리고 spot 4는 resolvase(12.5 kDa)와 상동성을 지닌 단백질로 동정되었고 B. licheniformis mDM3에서만 발현된 spot 5는 lysozyme(18.1 kDa)과 spot 6, 7은 alkyl hydroperoxide reductase(15.6 kDa)으로 동정되었다. B. licheniformis DM3에서 이들 단백질들의 항진균 활성 관련 여부를 규명하기 위해서 더 연구가 진행되어야 할 것으로 사료된다. In the course of screening for antifungal agents, a bacterial strain, DM3 was isolated from a mud sample collected at Daechon in Chungnam province and identified as Bacillus lichenifomris based on API 50CHB test. It has antifurgal activity against 12 plant pathogenic fungi in paper disc assay. At the 95% lethal dose of gamma radiation (^(60)Co, 10 kGy, D_(10)=2.32 kGy), the antifungal activity deficient mutant (mDM3) against Colletotrichum gloeosporioides was induced. From 2-D electrophoresis analysis, serine hydroxymethyltransferase(45.0 kDa), hypothetical protein(40.7 kDa), NifU protein homolog(l5.4 kDa), and resolvase(l2.5 kDa) horn ologous proteins were detected only in B. lichnifomris DM3. Lysozyme(l8.1 kDa) and dkyl hydroperoxide reductase(l5.6 kDa) homologous proteins were expressed uniquely in B. licheniformis mDM3. Further studies are needed to reveal that these proteins from B. lichenifomis DM3 could be closely related to the antifungal activity against plant pathogenic fungi.