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나공태(Kongtae Ra),김경태(Kyung-Tae Kim),김종근(Joung-Keun Kim),김은수(Eun-Soo Kim),이정무(Jung-Moo Lee),김의열(Eu-Yeol Kim),이승용(Sung-Yong Lee),김성근(Sung-Keun Kim),박은주(Eun-Ju Park) 한국해양환경·에너지학회 2013 한국해양환경공학회 학술대회논문집 Vol.2013 No.11
본 연구에서는 시화호 유역에 존재하는 비점오염물질의 유출특성 및 총부하량에 대하여 조사하였다. 연구지역은 도심을 대표하는 안산천, 화정천, 산업단지를 대표하는 반월스마트허브 3토구 및 인위적인 오염이 없는 남측간석지를 대상으로 하였으며 강우시 강우유출수를 채취하였다. 반월스마트허브 3토구에서의 비점오염물질의 평균농도는 SS 235.7 mg/L, COD 45.8 mg/L, DIP 3.907 mg/L, DIN 31.225 mg/L, TP 9.648 mg/L, TN 58.832 mg/L로 다른 조사지역에 비해 모든 비점오염물질의 평균농도가 높았다. 남측간석지에서 DIP, DIN, TP, TN 등이 가장 낮은 농도를 보이고 있었다. 강우지속시간동안의 누적오염부하량은 안산천에서 SS 15,113 Kg, COD 1,183 Kg, TP 35.8 Kg, TN 358.8 Kg으로 다른 조사지역에 비해 상대적으로 높았으며 유량에 큰 영향을 받고 있었다. Non-point pollutants including SS, COD, nutrients, TN, TP in the stormwater runoffs around Shihwa Lake have been investigated to study their concentration and total loads at 4 different sites. Mean concentration of SS, COD, DIP, DIN, TP and TP were 235.7, 45.8, 3.907, 31.225, 9.648, 58.832 mg/L, respectively. The non-point pollutants such as DIP, DIN, TP and TN exhibited the lowest values relative to the Ansan and Hwajeong streams and Banweol 3<SUP>rd</SUP> sewer outlet. The average of total runoff fluxes for SS, COD, TP and TN in the present study were 15,113 kg, 1,183 kg, 35.8 kg and 358.8 kg, respectively. Enormous amount of non-point pollutants was entered into Shihwa Lake without any treatment.
Kim, Taek‐,Keun,Park, Chang Sik,Jang, Jihye,Kim, Mi Ra,Na, Hee‐,Jun,Lee, Kangseung,Kim, Hyun Jung,Heo, Kyun,Yoo, Byong Chul,Kim, Young‐,Myeong,Lee, Je‐,Wook,Kim, Su Jin,Kim, Eu John Wiley and Sons Inc. 2018 MOLECULAR ONCOLOGY Vol.12 No.3
<P>The C‐type lectin‐like domain of CLEC14a (CLEC14a‐C‐type lectin‐like domain [CTLD]) is a key domain that mediates endothelial cell–cell contacts in angiogenesis. However, the role of CLEC14a‐CTLD in pathological angiogenesis has not yet been clearly elucidated. In this study, through complementarity‐determining region grafting, consecutive deglycosylation, and functional isolation, we generated a novel anti‐angiogenic human monoclonal antibody that specifically targets CLEC14a‐CTLD and that shows improved stability and homogeneity relative to the parental antibody. We found that this antibody directly inhibits CLEC14a‐CTLD‐mediated endothelial cell–cell contact and simultaneously downregulates expression of CLEC14a on the surface of endothelial cells. Using various <I>in vitro</I> and <I>in vivo</I> functional assays, we demonstrated that this antibody effectively suppresses vascular endothelial growth factor (VEGF)‐dependent angiogenesis and tumor angiogenesis of SNU182 human hepatocellular carcinoma, CFPAC‐1 human pancreatic cancer, and U87 human glioma cells. Furthermore, we also found that this antibody significantly inhibits tumor angiogenesis of HCT116 and bevacizumab‐adapted HCT116 human colorectal cancer cells. These findings suggest that antibody targeting of CLEC14a‐CTLD has the potential to suppress VEGF‐dependent angiogenesis and tumor angiogenesis and that CLEC14a‐CTLD may be a novel anti‐angiogenic target for VEGF‐dependent angiogenesis and tumor angiogenesis.</P>
의사와 간호사의 환자안전교육 경험에 관한 포커스 그룹 연구
박정윤,이유라,이의선,이재호,Park, Jeong-Yun,Lee, Yu-Ra,Lee, Eu-Sun,Lee, Jae-Ho 한국의료질향상학회 2020 한국의료질향상학회지 Vol.26 No.2
Purpose:This study aims to understand and explore the subjective experiences of patient safety education among health care professionals in developing a patient safety curriculum in South Korea. Methods: A qualitative descriptive study was conducted through two focus group interviews in the period October-December 2018. Eleven participants who underwent patient safety education participated in each session. All interviews were recorded and transcribed as spoken, and qualitative content analysis was used to identify categories of discussion depicting participants' subjective experience with patient safety education. Results: A total of three categories and seven themes were identified out of 77 units of analysis. Topics were identified in the dimensions of a patient safety curriculum, as follows: (1) activities for patient safety; (2) principle of patient safety (five rights, ethics, patient participation) and patient participation; (3) leadership, teamwork, and communication; and (4) reporting and learning system for patient safety events. In the dimension of methods, (5) case and evidence-based education and (6) multidisciplinary and small group teaching were identified. Finally, in the dimension of the system, (7) policies for patient safety education were identified. Conclusion: Our findings indicate that patient safety education is a significant area for health care professionals. Health care professionals suggested that a systematic patient safety curriculum would improve their knowledge and attitude toward patient safety. Moreover, it enables them to better construct a safety environment in a hospital.
김준태,박유라,조현실,부성민 ( Jun Tae Kim,Eu Ra Park,Hyun Sil Cho,Sung Min Boo ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.3
The phytoplankton community of Kumgang river was investigated at the three stations from May to September, 1994. A total of 321 species was identified, which was classified into 131 genera, 20 orders, 8 classes. Green and euglenoid algae showed a maximum number of species at the Napo station in September, but there were no significant changes in different locations in the species number of blue green algae. The number of diatom species decreased from May to September at each station. Standing crop was low with 15.9×10^4individuals/ℓ in August, but high with 37.8×10^4 individuals/ℓ in September. Merismopedia spp., Oscillatoria spp., Microcystis aeruginosa and Cyclotella meneghiniana predominated in Kumgang River.
( Chi Young Jung ),( Yeoung Hun Choe ),( Sang Yeub Lee ),( Woo Jin Kim ),( Jong Deog Lee ),( Seung Won Ra ),( Eu Gene Choi ),( Jae Seung Lee ),( Myung Jae Park ),( Ju Ock Na ) 대한내과학회 2018 The Korean Journal of Internal Medicine Vol.33 No.5
Background/Aims: To use serological and multiplex polymerase chain reaction (PCR) assays to examine sputum samples from patients experiencing acute exacerbation of chronic obstructive pulmonary disease (AECOPD) for the presence of atypical pathogens, including Mycoplasma pneumoniae, Chlamydia pneumoniae, and Legionella pneumophila. Methods: From September 2012 to February 2014, 341 patients with AECOPD attending outpatient clinics were enrolled as part of a randomized, double-blind, multicenter study. A commercial enzyme-linked immunosorbent assay was used to measure serum immunoglobulin M (IgM) and IgG antibody titers on the first day of the study and at 36 days post-enrollment. Multiplex PCR was used to test sputum samples for the presence of atypical pathogens. A urinary antigen test for L. pneumophila was performed on the first day. Results: Nineteen patients (5.6%) showed serological evidence of acute infection with M. pneumoniae. Also, one and seven patients (2%) showed serological evidence of acute infection with C. pneumoniae and L. pneumophila, respectively. All DNA samples were negative for M. pneumoniae, C. pneumoniae, and L. pneumophila according to PCR. Only one urine sample was positive for L. pneumophila antigen, but serologic evidence was lacking. Conclusions: Serological testing suggested that infection by atypical pathogens during AECOPD was relatively uncommon. In addition, PCR provided no direct evidence of infection by atypical pathogens. Thus, atypical pathogens may not be a major cause of AECOPD in South Korea.