최근 제주도 도심과 배경지점에서의 CO2 농도 변화 및 복사강제력 영향 연구

이수정 ( Soo-jeong Lee ),송상근 ( Sang-keun Song ),박연희 ( Yeon-hee Park ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.7

The spatial and temporal variations of CO2 concentrations and radiative forcing (RF) due to CO2 were examined at urban center (Yeon-dong) during 2010-2015 and background sites (Gosan) during 2010-2014 on Jeju Island. The RF at the two sites was estimated based on a simplified expression for calculating RF for the study period. Overall, annual mean CO2 concentrations at the Yeon-dong and Gosan sites have gradually increased, and the concentrations were higher at Yeon-dong (401-422 ppm) than at Gosan (398-404 ppm). The maximum CO2 concentrations at the two sites were observed in winter or spring, followed by fall and summer, with higher concentrations at Yeon-dong. The RF at Yeon-dong (annual mean of up to 0.70 W/m2 in 2015) was higher than that at Gosan (up to 0.46 W/m2 in 2014), possibly because of higher CO2 concentrations at Yeon-dong resulting from population growth and human activities (e.g., fossil fuel combustion). The highest monthly mean RFs at Yeon-dong (approximately 0.92 W/m2) and Gosan (0.52 W/m2) were observed in spring 2015 (Yeon-dong) and spring 2013 (Gosan), whereas the lowest RFs (0.17 and 0.31 W/m2, respectively) in fall 2011 (Yeon-dong) and summer in 2012 (Gosan).

연구논문 : 제주지역 미세먼지의 장기변동 및 농도변화에 관한 국지기상 분석

박연희 ( Yeon Hee Park ),송상근 ( Sang Keun Song ),이수정 ( Soo Jeong Lee ),김석우 ( Suk Woo Kim ),한승범 ( Seung Bum Han ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.1

Long-term variations of PM_{10} and the characteristics of local meteorology related to its concentration changes were analyzed at 4 air quality sites (Ido-dong, Yeon-dong, Donghong-dong, and Gosan) in Jeju during two different periods, such as PI (2001-2006) and PII (2007-2013), over a 13-year period. Overall, the long-term trend of PM_{10} was very slightly downward during the whole study period, while the high PM_{10} concentrations in PII were observed more frequently than those in PI. The concentration variations of PM_{10} during the study period was clarified in correlation between PM_{10} and meteorological variables, e.g. the low (high) PM_{10} concentration with large (small) precipitation or high (low) radiation and in part high PM_{10} concentrations (especially, Donghong-dong and Gosan) with strong wind speed and the westerly/northwesterly winds. This was likely to be caused by the transport effect (from the polluted regions of China) rather than the contribution of local emission sources. The PM_{10} concentrations in “Asian dust” and “Haze” weather types were higher, whereas those in “Precipitation”, “Fog”, and “Thunder and Lighting” weather types were lower. The contribution of long-range transport to the observed PM_{10} levels in the urban center (Ido-dong, Yeon-dong, and Donghong-dong), if estimated by comparison to the data of the background site (Gosan), was found to explain about 80% (on average) of its input.

2003년 국내 중증급성호흡기증후군 진료 현황 및 문제점 분석

이진수,김은실,정문현,백제중,정선화,안주희,최영화,이선희,고철우,김성범,김민자,박승철,기현균,송재훈,최상호,김양수,이상오,조용균,박영훈,정숙인,김연숙,이흥범,손창희,장성희,정희진,김우주 대한감염학회 2004 감염과 화학요법 Vol.36 No.3

목적 : 2002년 말 중국에서 SARS가 발생한 이후 국내에서도 2003년 10월까지 총 3명의 추정환자, 17명의 의심환자가 보고되었다. 향후 추가적인 SARS의 유행이 우려되는 상황에서, 그간의 SARS 환자 진료에 있어서의 실질적인 준비사항, 진료 현황 등에 대한 조사를 통해 문제점을 파악하여, 향후 더 나은 대비가 될 수 있도록 개선점을 제시하고자 하였다. 재료 및 방법 : SARS로 의심되는 환자를 진료 경험이 있는 병원의료진을 대상으로 2003년 10월에 설문조사를 실시하였다. 설문에는 SARS 환자 진료 시의 실질적인 조치, 진료 현황, 병실, 응급실 및 외래에서의 격리 시설과 준비사항, 보건당국의 관리와 지원에 관한 사항을 포함하였다. 결과 : 대상이 되는 22개 병원 중 17개(17/22, 77.2%) 병원이 설문에 응하였다. SARS 환자를 위한 격리실은 응급실, 외래, 일반병실 및 중환자실에서 각각 9개(9/17, 52.9%), 5개(5/17, 29.4%), 15개(15/16, 93.7%), 4개(4/16, 25%) 병원에서 음압처리가 되어있지 않은 일인실 혹은 다인실이 사용되었고, 1개(1/16, 6.3%) 병원에서만 일반병실에서 음압격리실이 운영되었다. 입원환자의 진찰 시 개인보호구의 착용은 거의 모든 의료기관에서 이루어졌다. 보건당국에서 SARS지정병원의 시설 등을 사전에 확인한 곳은 1곳(1/12, 8.3%)이였고, 14개 병원(14/15, 93.3%)에서는 보건당국에 의뢰한 검사결과를 통하 받지 못하였다. 결론 : 의료기관에서 SARS 환자용 격리실뿐만 아니라 기존의 격리실 설비 등이 미흡하였으며, 특히 중환자실 및 외래의 준비가 더욱 부족하였다. 보건당국의 의료기관에 대한 종합적인 지원이 부족하였고, 병원과의 원활한 연계가 잘 이루어지지 않았다. SARS 만이 아닌 격리를 필요로 하는 질환의 적절한 진료를 위해 향후 병원 시설의 정비와 정부차원에서의 보다 구체적이고 실질적인 대책마련이 필요하다. Background : There was an worldwide outbreak of the Severe Acute Respiratory Syndrome (SARS) originated from China in late 2002. During that period three cases of suspected SARS and 17 cases of probable SARS were reported in Korea. With the concerns about the reemergence of SARS-coV transmission, it is important to be prepared for any possibility. So, this study is aimed to analysis the past measures in managing SARS and propose the amendatory plans to improve the preparedness. Materials & Methods : Questionnaires were collected among clinicians with any experience in managing the probable or suspected SARS cases in Oct. 2003. 17 out of 22 hospitals responded to the questionnaire. The contents in the questionnaire were practical activities, personal equipments, response plans, isolation facilities in emergency centers, outpatient clinics, general wards and intensive care units, and relationship with the public health department. Results : The dedicated isolation rooms in emergency centers, outpatient clinics, general wards, and intensive care units were prepared in 9 (9/17, 52.9%), 5 (5/17, 29.4%), 15 (15/16, 93.7%), and 4 (4/16, 25.0%) hospitals, respectively. Except for one hospital that newly made negative pressure room for SARS, single or multi-bed rooms without airborne infection control were used in all the other hospitals. The personal precaution principles were kept quite well in general wards. Before the designation of SARS hospital by the public health department prior evalution to see if the hospital was suitable for managing SARS was conducted in only 1 (1/12, 8.3%) hospital. The results of laboratory diagnosis were reported back in 1 (1/15, 6.6%) hospital. Conclusions : The isolation facilities which can control airborne infection were almost deficient not only for SARS but also for other respiratory transmissible diseases. For the infection control of transmissible diseases including SARS, more investment is needed on medical facilities and comprehensive support from the public health department required.

RF-magnetron 스퍼터링에 의해 제조된 HAp와 HAp-Ag 복합재료의 미세구조와 In-vitro 연구

송호연,이희정,고광균 순천향대학교 교수학습개발센터 2004 Journal of Soonchunhyang Medical Science Vol.10 No.3

Microstructure and in-vistro study of RF-magnetron sputtered HAp and HAp-Ag composite films on the ZrO_(2) substrate were investigated using XPS, SEM, AFM and HR-TEM techniques. The homogenous and dense films about 0.8 ㎛ in thickness were successfully obtained and they were comprised with nano-crystalline grains about 30 nm in diameter. Micro cracks were not found at the interfaces between HAp and ZrO_(2) substrate and also on theire films. Without the dependency of Ag addition the fracure mode of HAp-Ag films showed a transgranular type. Due to the excellent bioaffinity, osteoblast MG-63 cells wre grown well on the HAp and HAp-Ag films with dense and healthly morphology, although the growth rate of cells on the HAp-Ag film was slower than that of the HAp film.

국내에서 발생하고 있는 사람 브루셀라증의 임상적 특성

김연숙,최영실,오원섭,권기태,이혁,이선희,손준성,김신우,장현하,정숙인,고관수,박미연,백경란,송재훈 대한감염학회 2006 감염과 화학요법 Vol.38 No.6

배경 : 2002년 내국인에서의 첫 사람 브루셀라증의 증례 보고 이후 국내에서 사람 브루셀라증이 빠른 증가를 보이고 있다. 이에 연구자들은 국내에서 발생하는 브루셀라증의 임상적 특성을 연구하고자 하였다. 방법 : 2003년부터 2006년 7월까지 7개 대학병원에 내원한 환자들을 대상으로 WHO의 진단기준에 의하여 확진된 브루셀라증 환자들의 의무기록을 후향적으로 조사분석 하였다. 배양된 균은 삼성서울병원에 의뢰하여 16S rRNA 유전자 분석방법을 이용하여 종을 확인하였고, 표준시험관응집검사는 국립보건원에 의뢰하여 시행하였다. 결과 : 34예의 환자들이 브루셀라증으로 확진되었고, 31명이 남자였다. 혈액에서 B. abortus가 증명된 경우가 8예, 표준시험관 응집검사상 의미 있는 항체가 상승을 보인경우가 26예이었다. 환자들은 대부분 축산업관련 종사자였고, 추후 브루셀라증으로 확진된 소와의 직접 접촉을 통해 감염된 것으로 여겨진다. 국내 사람 브루셀라증의 가장 흔한 증상은 발열이었고, 위장관계 합병증이 가장 흔히 동반되었다. 치료로는 doxycycline/rifampicin이 24예의 환자에서 doxycycline/aminoglycoside (streptomycin 혹은 gentamicin)이 10예의 환자에서 6주 이상의 기간 동안 투여되었다. 치료에 반응을 보이지 않는 환자는 없었고, 재발이 1예 있었다. 결론 : 국내에서 발생하는 사람 브루셀라증의 원인균으로 현재까지 분리 동정된 것은 B. abortus이며, 소 브루셀라증의 증가로 인해 인체감염사례가 함께 증가하는 것으로 사료된다. 위험 직업군 종사자들에서 감염된 소와의 직접 접촉을 통해 주로 발생하고 있는 브루셀라증의 임상종상은 국외에서 발생하는 경우와 유사한 양상을 보이고 있으며 치료에 대한 반응은 비교적 좋은 편이긴 하나, 추후 보다 많은 환자들을 대상으로 한 연구가 필요하리라 사료된다. 사람 브루셀라증의 조절을 위해서는 소 브루셀라증의 조절이 필수적이며, 브루셀라증의 조절에 성공한 선진국의 사례를 적극적으로 도입해야 할 것으로 생각된다. Background : Since the first Korean case of human brucellosis was reported in 2002, the incidence of human brucellosis has been rapidly increasing. We performed this study to evaluate the clinical characteristics of human brucellosis occurring in South Korea. Materials and Methods : Demographic features, clinical manifestations, and therapeutic outcomes of cases confirmed as brucellosis according to WHO diagnostic criteria were evaluated. Species of Brucella isolates were identified with 16S rRNA gene sequencing method. Serologic diagnosis was performed with standard tube agglutination test (STA). Results : A total of 34 cases were enrolled from 2003 to 2006 in six hospitals. Eight cases were confirmed with the isolation of Brucella from blood and 26 cases were confirmed with titer of antibodies ≥1:160 by STA. Male (31) was predominant and most of the patients were cattle farmers. The most common transmission route was direct contact with infected or their cattle byproducts. Fever was the most prominent symptom and fatigue followed. Gastrointestinal and musculoskeletal systems were commonly complicated. Patients were treated with doxycycline and rifampin or aminoglycosides for more than 6 weeks. All patients responded well to the therapeutic regimens, but one patient relapsed 10 months after treatment. Conclusion : Brucellosis occurring in Korea has been caused by B. abortus, whose preferred natural host animals are cattle. Korean patients were infected through direct contact with bovine brucellosis. Clinical manifestations of brucellosis were similar to those occurring worldwide. Therapeutic outcomes were good among patients with brucellosis in Korea. In order to prevent human brucellosis, measures to eradicate bovine brucellosis should precede.

대학생의 윤리적 소비에 대한 의식과 실천에 관한 연구

홍연금, 송인숙, 천경희 가톨릭대학교 생활과학연구소 2011 생활과학연구논집 Vol.31 No.1

Chlorpromazine이 백서 해마에서 전기경련 충격에 의한 MAPK 타이로신 인산화에 미치는 영향

주연호,정성훈,전송희,강웅구,김용식,김상욱,박주배 大韓神經精神醫學會 1997 신경정신의학 Vol.36 No.2

Object : In order to examine the interaction mechanisms of electroconvulsive shock(ECS) and antipsychotic drug at the level of molecular biology, we observed the effect of chlorpromazine pre-treatment on the activation of mitogen activated protein kinase(MAPK) induced by electroconvulsive shock(ECS) in rat hippocampus Method : Male Sprague-Dawley rats were divided into 2 groups. To the experimental group chlorpromazine(20㎎/㎏) was given intraperitoneally, and to the control distilled water was given instead. Thirty minutes later, ECS was given and the hippocampus was dissected out 2 minutes thereafter. Immunoblotting with antiphosphotyrosine antibody was carried out, and the signal intensity at 42kDa band was quantitized using densitometer. The obtained result was compared by student t-test between the experimental and the control group. The absolute amount of MAPK was measured by immunoblotting with anti-MAPK antibody. Result : The tyrosine phosphorylation of MAPK reached peak at 2 minutes after ECS. However, in the chlorpromazine pre-treated group, the peak level of MAPK tyrosine phosphorylation was significantly attenuated(t=-3.12, df=14, p=0.008) compared to the control. In contrast to this, the absolute amount of MAPK did not differ between the pretreated and the control group. Conclusion : Chlorpromazine attenuated the tyrosine phosphorylation of MAPK by ECS. This finding seems to be related to the fact that chlorpromazine pre-treatment changed the cfos expression by ECS in rat brain. Antipsychotic drug and ECS might interact at the level of MAPK signal transduction system, and this might explained the observed synergistic effect of two treatment modality.

간호사의 이직의도 구조모형

김창희,양승순,김연자,손연정,유미애,송주은 대한간호학회 간호행정학회 2009 간호행정학회지 Vol.15 No.4

Purpose: The purpose of this study was to construct and test a structural equation model of nurses' turnover intention. Method: The participants were 716 nurses at 4 university hospitals. Data were collected by a self-report questionnaire in 2008 and analyzed using SPSS 12.0 and AMOS 4.0 Win program. Results: The fit indices of modified model were x²=285.928(p<.001),x²/df=1.958GFI=0.964, RMSEA=0.037, AGFI=0.944, NFI=0.947, NNFI=0.961, CFI=0.973, PNFI=0.658 and showed high compatibility with the empirical data. In the final model, job stress and satisfaction were found to have significant direct effects on nurses' turnover intention, while organizational culture and emotional labor were very important factors to have indirect effects on turnover intention via job stress and satisfaction. Nurses' turnover intention was accounted for 41.2% of covariance by these factors. Conclusions: Comprehensive nursing interventions for decreasing nurses' turnover intention should be focused on reducing job stress and increasing job satisfaction. Also, Nursing strategy for enhancing positive organizational culture and decreasing emotional labor would be helpful for decreasing nurses' turnover intention, too. Further studies are needed to prospectively conduct to verify these causal relationships with larger sample.

성역할, 의복동조성이 유행추구성향과 혁신추구성향에 미치는 영향

김연희;서민정;윤송이;이규혜 한양대학교 2006 韓國 生活 科學 硏究 Vol.26 No.1

Conformity and nonconformity in dress are the two driving forces that make diffusion of new styles. More fundamental personal attributes that affect individuality in dress are masculine or feminine sex roles. Researchers reported that little differences were found between men and women in terms of conformity values. Fashion and clothing products are related to hedonic shopping and major hedonic shopping orientations in clothing shopping behavior of college students were often reported. This study was aimed to empirically test the effect of personality traits of masculinity-femininity on nonconformity and conformity in dress; the effects of nonconformity and conformity on major hedonic shopping orientations. A survey questionnaire was developed for the empirical research. Data from 181 students were used for statistical analysis using structural equation modeling. A conceptual model with masculinity and femininity as two exogenous variables, two shopping orientations as endogenous variables and nonconformity-conformity as two mediating variables were analyzed. Results confirm the significant structural paths from masculinity to nonconformity, from femininity to conformity and from nonconformity to novelty-seeking and conformity to fashion seeking) were statistically significant. The results of this study suggested that The personality traits and shopping orientation were antecedents and consequences of nonconformity-conformity in dress and clearer relationships do exist in the flow.

강남역 상권 소비자들의 의류구매행동 : 상권선택기준과 의류제품 구매속성을 중심으로

김재호;송세미;정승호;김연희 한양대학교 2009 韓國 生活 科學 硏究 Vol.29 No.1

A trade area is a very important position in consumer behavior and marketing. Since it reflects consumer behavior directly and also is a transaction with interaction between consumer and company. The purpose of this study seeks to figure out consumers' characteristics, trade area selection criteria, and purchase attributes of consumers visited Gang-Nam trade area. The survey ques¬tionnaire was designed for the empirical study. The data from evenly ranged 111 consumers visited Gang-Nam trade area were statistically analyzed. SPSS 12.0 was used for the statistical analysis. Frequency, t-test, ANOVA,and factor analysis were conducted. The results from data analysis were following: first, consumers visited Gang-Nam trade area meet companies mainly and take a meal as well. Second, consumers purchased clothing in Gang-Nam trade area purchased mainly casual fashion product and fashion accessories. Third, consumers purchased clothing in Gang-Nam trade area showed the lowest level of products variety, store's vari¬ety, and advantage of approach. Also, respondents did not consider purchase attribute at fashion product shopping. Fourth, consum¬ers who hardly visit Gang-Nam trade area showed high level of product's variety, price service, and store's variety. And they tend to pursue highly service's importance and exterior criteria of fashion products.