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이세령 ( Se Ryeong Lee ),김아현 ( A Hyeon Kim ),김보람 ( Bo Ram Kim ),김희진 ( Hee Jin Kim ),박찬울 ( Chan Ul Park ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2
네트워크를 이용하여 정보를 주고받을 수 있는 사물 인터넷과 메시지 전송 기능(GCM)을 기반으로 하는 화재 방지 프로그램을 설계하였다. 본 논문에서는 창고 관리자가 화재를 방지할 수 있는 해결 방안을 제시하였고, 해결방안인 화재 방지 프로그램의 설계 결과물과 구현 과정들을 볼 수 있다.
담배연기와 담뱃잎 내 함유된 방사능 농도분석 및 위해도 평가
이세령(Se-Ryeong Lee),이상복(Sang-Bok Lee),김정윤(Jeong-Yoon Kim),김지민(Ji-Min Kim),방예진(Yei-jin Bang),이두석(Doo-Seok Lee),조형준(Hyung-Joon Jo),김성철(Sungchul Kim) 대한방사선과학회(구 대한방사선기술학회) 2021 방사선기술과학 Vol.44 No.5
In this study, radioactivity quantitative analysis was performed on radon contained in cigarette, and the effective dose was calculated using the result value to determine the amount of exposure caused by smoking. A total of 5 types of cigarettes were sampled. Cigarette smoke was collected by using activated carbon, and tobacco were measured by homogenizing for quantitative analysis. For each sample, Bi-214 and Pb-214 were subjected to gamma nuclide analysis to observe the uranium-based radioactive material contained in cigarette, and a measurement time of 30,000 seconds was set for the sample based on the results of previous studies. As a result of measuring the radioactivity of tobacco, a maximum of 0.715 Bq/kg was derived, and in the case of cigarette smoke measured using activated carbon, a maximum of 3.652 Bq/kg was derived. Using this measurement, the average effective dose to the lungs is 0.938 mSv/y, and it was found that there is a possibility of receiving exposure up to 1.099 mSv/y depending on the type of tobacco. It was found that the exposure dose due to cigarette occupies a large proportion of the annual effective dose limit for the general public. Therefore, more diverse studies on radioactive substances in cigarette are needed, and measures to monitor and reduce the incidental exposure to radon should be established.
이세령 ( Se Ryeong Lee ),김희진 ( Hee Jin Kim ),두샤오 ( Duxiao ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
본 연구에서는 온/습도 센서를 통해 화재를 조기 감지하고 TCP통신을 이용하여 사용자의 스마트폰으로 화재위험상황임을 전송한다. 이를 통한 실시간 모니터링 및 누적 데이터를 활용하여 더 큰 피해를 미리 예방할 수 있는 화재예방 시스템을 구현하였다.
이세령 ( Se Ryeong Lee ),김아현 ( A Hyeon Kim ),김정현 ( Jung Hyeon Kim ),김보람 ( Bo Ram Kim ),김희진 ( Hee Jin Kim ),박지희 ( Ji Hee Park ),박찬울 ( Chan Ul Park ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.1
무선 네트워크가 설치되어있는 곳이면 언제 어디서나 네트워크로 정보를 이용할 수 있게 되었다. 사물들끼리 네트워크를 이용하여 정보를 주고받을 수 있는 사물인터넷을 기반으로 하는 수목원 관리 프로그램 설계하였다. 본 논문에서는 사물인터넷을 이용하여 수목원 관리자가 수목원관리를 하는 해결방안을 제시하였고, 해결방안으로 수목원 관리프로그램을 개발하기 전 단계인 설계 결과물을 볼 수 있다.
[P268] Toxic shock syndrome in a child presented with profuse diarrhea and palmoplantar erythema
( Se Ha Park ),( Seul Ki Lee ),( Jeong Soo Kim ),( Ha Ryeong Ryu ),( Hee Joo Kim ),( Hyang Joon Park ),( Jin Ok Baek ),( Joo Young Roh ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Toxic shock syndrome (TSS) is an acute, multi-system, toxin-mediated illness, often resulting in multi-organ failure. It occurs due to production of TSS Toxin-1 (TSST-1) by Staphylococcus aureus that induces a severe immunologically mediated inflammatory response affecting multiple organ systems. The diagnosis of TSS consists of clinical feature with high fever, hypotension, diffuse erythroderma, and desquamation together with three or more findings of renal or liver dysfunction, coagulopathy, gastrointestinal or central nervous system disorder Wereport a case of 6-year-old boy with bullae and erosive patch on both hand and feet who had watery diarrhea and fever. He had been suffered from profuse watery diarrhea for 10 days. Laboratory studies revealed acute renal failure, thrombocytopenia and anemia accompanied by prolonged prothrombin time. Histopathologicexamination revealed subcorneal separation with bacterial debris and exocytosis with epidermal spongiosis. Diagnosis of TSS was made based upon clinical and laboratory findings. He expired even after intensive care with antibiotic treatment due to multi-organ failure and sepsis. Prompt diagnosis and appropriate management of TSS are critical. This boy with TSS demonstrated the clinical manifestation of fever, profuse diarrhea and palmoplantar desquamation. Profuse watery diarrhea and desquamation of skin can be diagnostic clue of TSS.
Associations between air pollutant levels and medical care visits for atopic dermatitis
( Se Ha Park ),( Seul Ki Lee ),( Jeong Soo Kim ),( Ha Ryeong Ryu ),( Hee Joo Kim ),( Hyang Joon Park ),( Jin Ok Baek ),( Joo Young Roh ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: The prevalence of Atopic dermatitis (AD) is rising in most industrialized countries, and it causes increased burden and costs in public health systems. Over the past decades, studies for effects of air pollution to human health were conducted and revealed considerable evidences that air pollutants ca Objectives: To estimate the effect of air pollutants on hospital visits of AD in Incheon and analyse the associating factors Methods: The study subjects were any medical care visits for atopic dermatitis in 2012-2015, which were identified by national health insurance claims data in Incheon, Republic of Korea. Air pollutants considered in this study were obtained from the Ministry of Environment Results: When using the pollutant levels of the current day and cumulative models to day 7, higher PM10, O3, and SO<sub>2</sub> significantly increased the risk of medical care visits for atopic dermatitis. In contrast, NO<sub>2</sub> and CO showed an inverse association with medical care visits for atopic dermatitis. There were no remarkable differences across age, gender and insurance groups in the risk for medical visits for atopic dermatitis. Higher risks were shown in those with previous AD diagnosis (PM10 and SO<sub>2</sub>) and those with allergic rhinitis (PM10, O<sub>3</sub>, and SO<sub>2</sub>) Conclusion: This study suggests that exposure to PM10, O3 and SO2 increase the hospital visit of AD in short-term period. Significant variables are underlying disease such as AD and allergic rhinitis
Quantitative Assay for the Binding of Jun-Fos Dimer and Activator Protein-1 Site
Lee, Sang-Kyou,Park, Se-Yeon,Jun, Gyo,Hahm, Eun-Ryeong,Lee, Dug-Keun,Yang, Chul-Hak Korean Society for Biochemistry and Molecular Biol 1999 Journal of biochemistry and molecular biology Vol.32 No.6
The Jun and Fos families of eukaryotic transcription factors form heterodimers capable of binding to their cognate DNA enhancer elements. We are interested in searching for inhibitors or antagonists of the binding of the Jun-Fos heterodimer to the activator protein-1 (AP-1) site. The basic-region leucine zipper (bZIP) domain of c-Fos was expressed as a fusion protein with glutathione S-transferase, and allowed to form a heterodimer with the bZIP domain of c-Jun. The heterodimer was bound to glutathione-agarose, to which were added radiolabeled AP-1 nucleotides. After thorough washing, the gel-bound radioactivity was counted. The assay is faster than the coventional electrophoretic mobility shift assay because the gel electrophoresis step and the autoradiography step are eliminated. Moreover, the assay is very sensitive, allowing the detection of picomolar quantities of nucleotides, and is not affected by up to 50% dimethylsulfoxide, a solvent for hydrophobic inhibitors. Curcumin and dihydroguaiaretic acid, recently known inhibitors of Jun-Fos-DNA complex formation, were applied to this Jun-GST-fused Fos system and revealed to decrease the dimer-DNA binding.
( Se Ha Park ),( Seul Ki Lee ),( Jeong Soo Kim ),( Ha Ryeong Ryu ),( Hee Joo Kim ),( Hyang Joon Park ),( Jin Ok Baek ),( Joo Young Roh ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: Although atopic dermatitis (AD) has been characterized by predominant Th2 cytokines, Th1 cells are also involved in AD pathogenesis. Objectives: This study was to identify in vitro cytokine milieu that can accurately reproduce the expression profile of genes important in AD. Methods: mRNA levels of CCL22, CCL17, IL5, IL13, FLG, and LOR were evaluated by qRT-PCR in skin samples from 6 AD patients, 12 healthy controls, and HaCaT cells cultured variously with Th1 (TNF-α, IFN-γ) and/or Th2 (IL-4) cytokines. Cytokine effects on HaCaT cell growth were examined by phase-contrast microscopy and WST-1 assay. Results: Cell viability was not altered by treatment with TNF-α, IFN-γ, or IL-4 alone, or by combination of TNF-α and IL-4. Expression of Th2 genes (CCL22, CCL17, IL5 and IL13) was increased in human AD skin lesions, while cornified cell envelop-related FLG and LOR were reduced. Interestingly, similar HaCaT cell gene expression profiles were observed when stimulated with Th1 cytokines, but not with IL-4, implying that Th1 stimulation is required to reproduce the AD-like features in HaCaT cells. Conclusion: Collectively, Th1 and Th2 cytokines do not seem to function dichotomously, and a complex inflammatory network drives AD-like changes. Further in vitro experiments using HaCaT cells to study AD-related genes would need stimulation with various cytokine combinations not limited to Th2 polarization for optimal gene expression.