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우리나라 어린이와 청소년의 구강건강을 위한 공공서비스의 현황과 전망
이광희,김지영,송지현,김윤희,임경욱,정승열 大韓小兒齒科學會 2008 大韓小兒齒科學會誌 Vol.35 No.3
소아치과학이 목표로 하는 어린이와 청소년의 구강건강을 달성하기 위하여는 민간 치과의료기관에서 내원 환자를 대상으로 하는 진료만으로는 한계가 있으며 공공서비스(公共service)의 역할이 필요하다. 학교구강보건설이 설치된 초등학교는 전체의 7.2%이었고,초등학교 중에서 불소용액양치사업을 수행한 비율은 57.5%, 급식 후 집단잇솔질을 한 비율은 46.9%이었으며,초등학생 중에서 구강보건교육을 받은 비율은 48.0%, 치아홈메우기를 받은 비율은 12.4%이었다(2006년). 0∼6세 영유아의 약 42%가 지난 1년간 구강검진,불소도포,치면세마,치아홈메우기 중 하나 이상의 예방적 치과진료를 받았으며,받은 장소는 교육시설이 약 18%, 보건소가 약 1%이었다(2005년). 불소농도가 조정된 수돗물을 마시는 인구 비율은 전국 평균이 5.7%이었다(2006년). 학교구강보건사업의 발전을 위해서 행정의 일원화,보건교사에 대한 교육,구강보건교사제도의 도입,순회 학교치과의사와 학교치과병원을 통한 포괄적 진료서비스의 제공 등을 고려할 수 있을 것이다. 또한 아동·청소년 주치의제의 도입으로 민간기관을 통해 공공서비스를 강화하는 방안이 검토되고 있다. To achieve the dental health of children and adolescents which is the objective of the pediatric dentistry, the role of the public service should be increased. The basis of the public service is established by many laws of which the Dental Health Law is most important. The percentages of primary schools that had the school dental health clinic, that implemented the fluoride rinsing program, and that implemented the group toothbrushing after lunch were 7.2%, 57.5%, and 46.9%, respectively, and the percentages of primary school children that received the dental health education and that received the fissure sealing were 48.0% and 12.4%, respective1y(2006). About 42% of infants and preschool children from 0 to 6 years received preventive dental care in the last one year, at the nursery or kindergarten(18%) or at the health center(1%)(2005). The percentage of the health centers that implemented water fluohdation was 11.3%, and the percentage of the population who drank the fluoridated water was 5.7 %(2006). It was suggested that the school dental health administration should be unified, that dental health teachers should be employed, and that the comprehensive dental health care should be supplied to all the children and adolescents through the circuit school dentists and the school dental hospitals in the long term. Also, the dentist in charge system for the children and adolescent was suggested.
Isolation of CONSTANS as a TGA4/OBF4 Interacting Protein
Song, Young Hun,Song, Na Young,Shin, Su Young,Kim, Hye Jin,Yun, Dae-Jin,Lim, Chae Oh,Lee, Sang Yeol,Kang, Kyu Young,Hong, Jong Chan Korean Society for Molecular Biology 2008 Molecules and cells Vol.25 No.4
Members of the TGA family of basic domain/leucine zipper transcription factors regulate defense genes through physical interaction with NON-EXPRESSOR OF PR1 (NPR1). Of the seven TGA family members, TGA4/octopine synthase (ocs)-element-binding factor 4 (OBF4) is the least understood. Here we present evidence for a novel function of OBF4 as a regulator of flowering. We identified CONSTANS (CO), a positive regulator of floral induction, as an OBF4-interacting protein, in a yeast two-hybrid library screen. OBF4 interacts with the B-box region of CO. The abundance of OBF4 mRNA cycles with a 24 h rhythm under both long-day (LD) and short-day (SD) conditions, with significantly higher levels during the night than during the day. Electrophoretic mobility shift assays revealed that OBF4 binds to the promoter of the FLOWERING LOCUS T (FT) gene, a direct target of CO. We also found that, like CO and FT, an OBF4:GUS construct was prominently expressed in the vascular tissues of leaf, indicating that OBF4 can regulate FT expression through the formation of a protein complex with CO. Taken together, our results suggest that OBF4 may act as a link between defense responses and flowering.
Song Seung-Yun,Bae Young-Chun,Lee Sang-Min,Kim Kyung-Yo,Joo Jong-Cheon,Ko Ki-Duk,Park Soo-Jeong,Lee Kyung-Sung,Choi Yong-Seok,Kim Jong-Yeol The Society of Korean Medicine 2005 대한한의학회지 Vol.26 No.1
Objective : This study on Sipimikwanjung-tang was undertaken to evaluate its antioxidant capacities and antiperoxidation activities in rat liver tissues. Sipimikwanjung-tang which has been one of the prescriptions in sasang constitutional medicine is usually applied for the therapy of various liver diseases. It is elucidated that Sipimikwanjung-tang has antioxidants on liver tissue of rat and the cytotoxic effects on human hepatoblastoma Hep G2 cells. Methods: Sipimikwanjung-tang extract in antioxidant effects of Hep G2 cells is evaluated by MTT assay, DAPI staining, DNA fragmentation assays and FACS can analysis. Results: Sipimikwanjung-tang induced apoptosis in Hep G2 cells, and induced G1 and G2M arrest of the cell cycle as well as a significant increase in PARP and caspase-3 activity. It induced an increase in $H_2O_2$ generation and the subsequent $NF-{\kappa}B$ activation and also induced cell apoptosis through the caspase-3-dependent pathways in the low concentration of Sipimikwanjung-tang extracts. However, the high dose of Sipimikwanjung-tang extract in Hep G2 cells inhibited $TGF-{\beta}l-induced$ apoptosis via increase in cellular $H_2O_2$, formation and $NF-{\kappa}B$ activation in human hepatoblastoma Hep G2 cells. Conclusion: From this study, the possibility that Sipimikwanjung-tang extracts apply to antioxidant and apoptotic treatment of disease is revealed.
Song, Young Geun,Park, Jae Yeol,Suh, Jun Min,Shim, Young-Seok,Yi, Seung Yeop,Jang, Ho Won,Kim, Sangtae,Yuk, Jong Min,Ju, Byeong-Kwon,Kang, Chong-Yun American Chemical Society 2019 Chemistry of materials Vol.31 No.1
<P>The use of heterojunctions based on Rh-decorated WO<SUB>3</SUB> nanorods is an effective strategy for achieving high-performance gas sensors for volatile organic compounds (VOCs), especially acetone (CH<SUB>3</SUB>COCH<SUB>3</SUB>). Herein, we successfully fabricated Rh-decorated WO<SUB>3</SUB> nanorods with one-dimensional (1D) structures by glancing angle deposition (GLAD). Interestingly, morphological changes characterized by anomalous surfaces with numerous regions of negative curvature were observed upon decoration of the bare WO<SUB>3</SUB> nanorods with Rh, which were systematically investigated on the basis of impeded surface diffusion and trapping effects. The improvements of gas sensing properties were stepwisely demonstrated by synergistic effects involving transition of Rh, high chemical potential of the negative curvature, primary decomposition at the top side, and highly ordered nanostructures. We are confident that the results provide new insight into the synthesis of effective nanostructures and contribute to a variety of applications including battery, solar water splitting, and sensor devices.</P> [FIG OMISSION]</BR>
송광열(Song Kwang Yeol),곽우현(Kwauk Woo Hyun),윤학선(Yun Hak Sun) 한국도시철도학회 2019 한국도시철도학회논문집 Vol.7 No.4
본 논문에서는 철도 안전설비 중 터널로 진입하는 열차의 접근을 경보하여 철도종사자의 사고를 방지하는 터널경보장치를 일반철도 노선에 설치할 필요성, 안전경보거리를 고려한 설치기준에 대하여 분석한 결과를 제시하였다. This paper presented the results of analyzing the necessity of installing a tunnel alarm system, one of the railway safety facilities, on the conventional railway which provides train access alarm to prevent accidents of the maintenance staff and installation criteria calculating safe alarm distance.