Floristic characteristics of vascular plants and first distributional report of Pseudostellaria baekdusanensis M. Kim in Yongneup wetland protected area

Young-Chul Kim,Hyun-Hee Chae,Sang-Heock Oh,Seung-Ho Choi2,Moon-Pyo Hong3,Gi-Heum Nam,Jae-Yoon Choi,Hyun-Sook Choi,Kyu-Song Lee 한국환경생태학회 2015 한국환경생태학회지 Vol.29 No.2

Yongneup wetland protected area, the only high moor in Korea, is a core area to conserve biodiversity. Even though the Yongneup wetland protected area is relatively small, various plant species are distributed in the Yongneup wetland protected area because it includes various habitats showing different environmental gradients. Vascular plants distributed in the Yongneup wetland protected area were identified as a total of 376 taxa that is composed of 73 families, 217 genera, 322 species, 3 subspecies, 44 varieties and 7 forms. For endangered plants designated by the Ministry of Environment, 5 species including Trientalis europaea var. arctica, Lilium dauricum, Halenia corniculata, Lychnis wilfordii and Menyanthes trifoliata were found and 34 taxa were confirmed to be distributed only in the mountainous wetland habitats. Regarding naturalized plants, a total of 11 taxa were distributed, but most of them were distributed in the areas where artificial interference has occurred. And in areas inside the wetlands that are relatively well preserved, 2 species of Bidens frondosa and Erigeron annuus were observed. In this study, the occurrence and distribution of Pseudostellaria baekdusanensis M. Kim, which was recently found in Mt. Baekdu and reported as a new species, were identified in the Yongneup wetland protected area. A wetland is a very vulnerable area to drastic environmental changes and damages to its ecosystem could cause the extinction of rare plant species which are distributed only in the wetlands. Therefore, it is mandatory that current status of the Yongneup wetland protected area is evaluated and actions to prevent rapid environmental changes are taken. Fourteen separate investigations were conducted in 2013 and another four in 2014, to evaluate current status of the Yongneup wetland protected area. These investigations have provided us the basic information for future actions of conservation and restoration.

농촌지역 노인들의 우울증상에 관련된 요인들의 특성

송미숙,전기홍,송현종,김정은,박승구,신상건,이동훈,정성현,최연주,최완철,최민규,황재철,홍지만 아주대학교 1997 아주의학 Vol.2 No.2

This study was performed to identify risk factors for depression among the elderly in a rural area. A survey was done for the elderly living in Gosam-myenn, Ansung-kun during the period of July 28, 1997 and July 30, 1997. Demographic and sodoeconornic characteristics, and functional and health Status were assessed using a structured questionnaire, and the level of depression was measured by GDS score. The data obtained were analyzed by frequencies, percentage, t-test, ANOVA, and multiple regression, and the results were as follows: 1. The total sample consisted of 133 elderly. Of them, 47 elderly (35.4%) showed significant depressive Symptoms. 2. The GDS score was the highest for the group over 85 years of age (p < 0.05). Those living alone or widowed showed lower GDS score than those living with someone or married (p < 0.05). 3. The GDS score was the highest in the absolutely dependent group, followed by the partially dependent group, and the independent group (p < 0.01). The elderly who perceived their health Status as excellent showed the lowest GDS score. In contrast, those who had more than five chronic diseases showed the highest GDS score. 4. The elderly receiving financial and emotional support from their family or friends showed lower GDS score compared to those without any support. 5. The economically dependent group showed higher GDS score than that of independent group. 6. The elderly who involved in leisure activities showed lower GDS score than those without any involvement. 7. In terms of risk factors for depression, we found that perceived health Status, subjective economic Status, leisure activities, living arrangement and financial support were inversely associated with GDS score, whereas labor support was positively associated with GDS score. Based upon the above findings, this study suggests that these risk factors for depression in the elderly should be taken into consideration for a comprehensive mental health program for the elderly living in the rural area.

슬관절에 히야루론산 주입후 발생한 활막성 연골종증 : 증례 보고

최의성,김용민,김동수,손현철,박경진,조병기,배승환 충북대학교 의과대학 충북대학교 의학연구소 2009 忠北醫大學術誌 Vol.18 No.2

활막성 연골종증은 비교적 드문 양성 종양으로 관절내 활액막 결체조직의 양성 반응성 이형성에 의해 여러 개의 연골성 결절을 형성하고 이것이 관절내로 유리되어 유리체를 형성하는 질환으로 주로 슬관절에 발생한다. 활막성 연골종증의 정확한 발생 기전은 아직 밝혀지지 않았으나 외상, 감염 등이 원인으로 제시되고 있다. 저자들은 슬관절 내 히야루론산 주입후 발생한 슬관절내 활막성 연골종증을 1 례 경험하였으며, 관절경적 제거술을 통해 만족스런 결과를 얻었다. As a relatively rare benign tumor, synovial chondromatosis forms several cartilaginous nodules by the benign reactive metaplasia of synovial connective tissues within joints, which are loosed into the joints and cause a disease forming loose body mainly in knee joint. Accurate mechanism of synovial chondromatosis has not been clarified yet; however, trauma, infections and others have been suggested as its possible causes. The authors of this study experienced an example of a patient with synovial chondromatosis in knee joint occurred after the injection of hyaluronic acid in the joints and had a satisfactory outcome through the arthroscopic resection.

지역사회 주민의 인비인후과 영역질환의 사회의학적 조사

최상규,남철현,김무룡,김기열,강영우,문기내 慶山大學校 保健福祉硏究所 2002 保健福祉硏究 Vol.7 No.-

This study was conducted to examine ear, nose, and throat diseases of community residents and related factors in Korea. 475 people who were experienced in suffering from the ear, nose, and throat diseases were chosen as the subjects of this study. Data were collected in Daegu, Kimchon, Andong, Pohang, Kyungsan from February 1, 2000 to May 30, 2000. The results of this study are summarized as follows. 1. Among ear, nose, and throat diseases, the incidence of throat diseases was highest (42.3%). The incidence rate of nose diseases was 31.9%, while that of ear diseases was 25.7%. The incidence of these diseases were significantly related to the variables of sex, age, occupation, religion, education level, smoking, and drinking. 2. When the respondents were afflicted with ear diseases, 47.7% of them was treated in ear, nose, and throat hospitals or clinics, while 29.4% of them was treated in general hospitals or clinics. 13.2% of them just endured without receiving treatment. 5.7% of them was treated in their homes and 3.9% of them was treated in pharmacies. 3. 28.9% of the respondents was treated for their ear diseases during two weeks; 24.2% 'during one week'; 20.5% 'during three to four days'; 12.6% 'during one to two days'; 9.0% 'during one to two days'; 4.8% 'during over six months'. The period of treatment was significantly related to the variables of sex, age, occupation, marital status, religion, smoking, drinking, and exercise. 4. When the respondents took nose diseases, 27.4% of them was treated in ear, nose, and throat hospitals or clinics, while 24.7% of them was treated in general hospitals or clinics. 18.6% of them just endured without receiving treatment. 17.7% of them was treated in pharmacies and 5.9% of them was treated in their homes. 5. 27.0% of the respondents was treated for their ear diseases during three and four days; 23.6% 'during on week'; 17.3% 'during two weeks'; 13.5% 'during one to two weeks'; 10.0% 'during one to two months'; 8.6% 'during over six months'. The period of treatment was significantly related to the variables of sex, ccupation, religion, education level, smoking, drinking, and exercise. 6. The throat diseases were caused by cold (30.2%), tonsils (29.3%), and bronchitis (15.7%). When the respondents took throat diseases, 26.1% of them was treated in ear, nose, and throat hospitals or clinics, while 25.3% of them was treated in general hospitals. 20.2% of them was treated in pharmacies and 12.4% of them just endured without receiving treatment. 10.3% of them received reatment in clinics, while 5.6% of them was treated in their homes. 7. The level of satisfaction with treatment for ear diseases was 3.58±1.12 points on the basis of 5 points, while that for throat diseases was 3.19±0.085 points. In case of information sources on ear, nose, and throat diseases, 31.8% of the respondents obtained the information from doctors, while 21.4% of them got it from TV or Radio. 15.9% of them obtained it from family members, neighbors, or friends and 10.0% of them obtained it from magazines, newspapers or pamphlet. Only 7.0% of them got it from pharmacists. 8. 67.2% of the respondents thought that mass media dealt with the ear, nose, and throat diseases lightly. 40.6% of them replied that education and publicity of those diseases would be necessary, while 10.7% of them replied those would not be necessary. Among the ear, nose, and throat diseases, the incidence rate of throat diseases was highest (42.3%). The ear diseases showed the highest level of satisfaction with treatment, while the throat diseases displayed the lowest level of satisfaction with treatment. Although the diseases are very serious in Korea, they are dealt with lightly in terms of education and publicity through using mass media. Therefore, the government, otorhinolaryngologists, and related associations must make great efforts to prevent the diseases.

확률과정에 기초한 ERAM 이론의 재해석 및 검증

최재필,조형규,최현철,조영진 대한건축학회 2004 대한건축학회논문집 Vol.20 No.11

ERAM theory is an analytical tool for spatial configuration of architectural and urban spaces such as Space Syntax model. In this study, we tried (1) to reinterpret ERAM theory in terms of Markov process which is a kind of stochastic process and (2) to compare ERAM theory with Space Syntax model using pedestrian movement data. Besides, a new quantitative index ERAM and ERAM(r) for the spatial attribute is suggested. The results of the study include the followings. From the reinterpretation of ERAM theory, it can be said that ERAM theory is well compatible with stochastic process. From the comparison of integration and ERAM, it can be said that ERAM reflects the spatial configuration better than integration. Therefore, ERAM analysis can be used as a powerful tool for predicting accessibility of architectural and urban spaces.

ICMP 프로토콜을 사용하는 네트워크 침입의 탐지 구현

최선철,차현철 동양대학교 2001 동양대학교 논문집 Vol.7 No.1

This paper purposes to give experimental tests of network mapping and Smurf Attack, which is one of the typical intrusion patterns in denial of services using ICMP protocol, and also purposes to detect the intrusion with NFRⓡ. The ICMP echo request packet with broadcast address makes many hosts on the target network to bring back lots of echo replies to it.These packets are all captured by NFRⓡ.The intrusion-detection backend with N-Codes detects all the intrusion packets.These facts show the possibility of preventing illegal users from intruding upon network systems.

회야강(울산)의 식물플랑크톤 군집구조

최철만,배진현 한국환경과학회 2002 한국환경과학회지 Vol.11 No.3

This study was conducted to find the structure of phytoplankton community in the Hoeya river(Ulsan) from March 2000 to February 2001. The taxa of phytoplankton identified included 135 species, 5 divisions, 33 families and 82 genera. Among them, chrysophyta(diatoms) were 63 species(46.7%), chlorophyta(green algae) 47 species(34.8%), pyrrophyta(dinoflagellates) 13 species(9.6%), cyanophyta (cyanobacteria) 8 species(5.9%) and euglenophyta(euglenoids) 4 species(3.0%) respectively. Ecological important species is called frequently appearing species, red tide causative species, seawater species and pollution indicator. 22 species including Aulacoseira granulata were recorded frequently appearing species. 19 species including Ceratium furca were recorded as red tide causing species. And the pollution indicators were 33 species including Actinastrum hantzschil var. fluviatile. The highest standing crops were 3,103,441 cell/ℓ in August at the RW-1 and the lowest 1,245 cell/ℓ in January at the RW-5. In the community analysis, the dominanance indices ranged from 0.34(October, RW-2) to 0.94(January, RW-1) and the diversity indices from 0.50(May, RW-2) to 2.57(September, RW-2). The saprobic indices were 2.43 in RW-1, 2.41in RW-2, 2.375 in RW-3, 2.40 in RW-4, 2.43, in RW-5. Therefore, these areas were investigated "β-mesosaprobic". According to the similarity index among the stations, these areas were defined as residential district areas(RW-2 and RW-3), lower part of the dam (RW-1) and seawater areas(RW-4 and RW-5).

정상군과 비만군의 건강생활 행위와 고지혈증, 혈압, 혈당 관련 연구

최영철,남철현,이송권 경산대학교 보건복지연구소 2000 保健福祉硏究 Vol.5 No.-

This study was conducted to examine lipid, blood pressure, glucose, and health behavior of normal people and obese people. The normal people and obese people received health examination in K and D hospitals. The normal group was composed of 243 men and 191 women, while the obese group was composed of 194 men and 190 women. Data were collected from May, 1999 to Decomber, 1999. The results of this study are summarized as follows. 1. Male was 56.0% and female was 44.0% in the normal group, while male was 50.5% and female was 49.5% in the obese group. In the case of age, in the normal group 24.9% was in twenties, 15.4% was in thirties, 16.4% was in forties, 18.9% was in fifties, and 24.4% was in sixties and over. In the obese group 14.1% was in twenties, 16.4% was in thirties, 21.4% was in forties, 23.7% was in fifties, and 24.4% was in sixties and over. 2. According to the distribution of lipid, blood pressure, and glucose by sex, the normal group displayed significant difference in BMI, triglyceride, high density lipoprotein (HDL) cholesterol, SBP, and DBP, while the obese group showed significant difference in BMI, triglyceride, SBP, and DBP. 3. In the case of the distribution of lipid. Blood pressure, and glucose by age, the normal group revealed significant difference in BMI, total cholesterol, triglyceride, low density lipoprotein (LDL) cholesterol, SBP, and DBP, shile the obese group displayed significant difference in BMI, total cholesterol, SBP, and DBP. 4. According to health behavior of the normal group and the obese group by sex, male showed significant difference in favorite food (p<0.05), while female displayed significant difference in eating habit (p<0.05). 5. The factors which significantly influenced BMI were SBP (p<0.05), total cholesterol (p<0.001), triglyceride (p<0.001), times of eating meat (p<0.05), and exercise (p<0.05). As seen in the above results, the obese group showed higher lipid, blood pressure, and glucose than the normal group. It seemed that especially, the lack of exercise, the unbalanced diet, and eating of meat affected obesity. Drinking and smoking had harmful influence on lipid, blood pressure, and glucose, It appeared that adequated exercise helped them prevent geriatric disease. It can be said that the diseases related to obesity will increase due to change in socio-economy and diet. It is important to prevent obesity through clinical test related to obesity and heal education.

잠김 금속판을 이용한 대퇴골 전자하 골절의 치료 : 압박 고 나사와 비교

손현철, 김용민, 김동수, 최의성, 박경진, 조병기, 박지강, 배승환 충북대학교 의과대학 충북대학교 의학연구소 2011 忠北醫大學術誌 Vol.21 No.2

-본문참고-

30% Minocycline 국소 약물송달제제의 생체내, 외방출역학, 세포독성 및 세포활성도 측정

최현순,이상철,김강주,장원규,정서영,정종평 대한구강생물학회 1992 International Journal of Oral Biology Vol.16 No.1

Present study was performed to examine in vitro and in vivo release kinetics, cell cytotoxicity and cellular growth survival of local 30% Minocycline delivery. The purpose of this study was to determine the possibility of clinical use of 30% Minocycline load polycaprolactone film(Mino-Strip). The size of Mino-strip is 6.5㎜×2.5㎜×0.3㎜, Mwt: 5.7㎎). In vitro releasing test, each film showed a large initial burst effect within first one and two hours and more than 84% of Minocycline was releasing test, each film showed a large burst effect within first two and three hours. A steady state kinetics was observed for 8 days both in vivo and in vitro releasing test. In cytotoxicity test, there was no significant cytotoxic effect in Mino-strip to human gingival fibroblast. In cellular growth survival test, there was no significant cellular growth survival effect in Mino-strip to human gingival fibroblast.