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응급실 내원 환자의 만족도 평가 및 관련 요인에 대한 연구
서강석,감신,박정배,이정헌,김종근,윤영국,곽경숙,이원기,우석정 大韓應急醫學會 1998 대한응급의학회지 Vol.9 No.4
Background: To examine the influencing factors on patients' satisfaction in the emergency department(ED) for quality assurance. Methods: Patients who visited to the ED were prospectively investigated from November 1 to December 31, 1997. Authors developed questionnaire to investigate influencing factors on patients' satisfaction. A Chi-square test and LISREL 7.0 were applied for statistical analysis. Results: Patients' satisfaction was significantly related to physical environment variables, accessibility variables, kindness of hospital personnel variables, and patient's trust for doctors variables. In path analysis, willingness for revisit was influenced by patients' satisfation, accessibility, physical environment, patients' trust for doctors in order, and willingness for recommendation was influenced by accessibility, patients' satisfaction, and kindness of hospital personnel in order. Conclusions: The influencing factors on patients' satisfaction are physical environment, accessibility, kindness of hospital personnel, and patient's trust for doctors. Willingness for revisit and willingness for recommendation are influenced by patients' satisfation. In spite of some limitations, the results of this study can be used as a baseline information for exploring the influencing factors on patients' satisfaction. Further comprehensive research efforts should be made on the study of patients' satisfactoin in the ED.
Won-Hee Kang,Jang-Kyun Seo,Bong Nam Chung,Kook-Hyung Kim,Byoung-Cheorl Kang 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
The Cmr1 gene in peppers confers resistance to Cucumber mosaic virus isolate-P0 (CMV-P0). Cmr1 restricts the systemic spread of CMV-Fny, whereas this gene cannot block the spread of CMV-P1 to the upper leaves, resulting in systemic infection. To identify the virulence determinant of CMV-P1, six reassortant viruses and six chimeric viruses derived from CMV-Fny and CMV-P1 cDNA clones were used. Our results demonstrate that the helicase domain encoded by CMV-P1 RNA1 determines susceptibility to systemic infection. To identify the key amino acids determining systemic infection with CMV-P1, we then constructed amino acid substitution mutants. Of the mutants tested, amino acid residues at positions 865, 896, 957, and 980 in the 1a protein sequence of CMV-P1 affected the systemic infection. Virus localization studies with CMV-GFP clones and in situ localization of virus RNA revealed that these four amino acid residues together form the movement determinant for CMV-P1 movement from the epidermal cell layer to mesophyll cell layers. Quantitative real-time PCR revealed that CMV-P1 and a chimeric virus with four amino acid residues of CMV-P1 accumulated more genomic RNA in inoculated leaves than did CMV-Fny, indicating that those four amino acids are also involved in virus replication. These results demonstrate that the helicase domain is responsible for systemic infection by controlling virus replication and cell-to-cell movement. Whereas four amino acids are responsible for acquiring virulence in CMV-Fny, six amino acid (positions at 865, 896, 901, 957, 980 and 993) substitutions in CMV-P1 were required for complete loss of virulence in ‘Bukang’.
이원욱(Won Ouk Lee),이연주(Yeon Joo Lee),임동현(Dong Hyun Lim),최성호(Sung Ho Choi),이채원(Chae Won Lee),김현주(Hyun Ju Kim),원종서(Jong Seo Won),김현동(Hyun Dong Kim),국중진(Joong Jin Kook),이지항(Jee hang Lee),김진우(Jin Woo Kim) 한국HCI학회 2018 한국HCI학회 학술대회 Vol.2018 No.1
다양한 형태의 소셜 로봇들이 출시 되고 있다. 하지만 운동을 보조하는 로봇은 아직 비용적 문제와 여러 한계점으로 출시가 되지 않고 있다. 이에 본 연구는 실제 사용자들이 쉽게 사용할 수 있는 운동 로봇FUFU 를 시뮬레이터 단계부터 실제 로봇까지 개발하였다. 운동 맥락에 있어 집에서도 쌍방향 소통을 하여 실제 운동 성과를 얻게끔 개발하였다.
Cho, Won Chul,Kim, Hye Jin,Lee, Hae In,Seo, Myung Won,Ra, Ho Won,Yoon, Sang Jun,Mun, Tae Young,Kim, Yong Ku,Kim, Jae Ho,Kim, Bo Hwa,Kook, Jin Woo,Yoo, Chung-Yul,Lee, Jae Goo,Choi, Jang Wook American Chemical Society 2016 NANO LETTERS Vol.16 No.11
<P>Nanostructured silicon (Si) is useful in many applications and has typically been synthesized by bottom-up colloid-based solution processes or top-down gas phase reactions at high temperatures. These methods, however, suffer from toxic precursors, low yields, and impractical processing conditions (i.e., high pressure). The magnesiothermic reduction of silicon oxide (SiO2) has also been introduced as an alternative method. Here, we demonstrate the reduction of SiO2 by a simple milling process using a lab scale planetary-ball mill and industry-scale attrition-mill. Moreover, an ignition point where the reduction begins was consistently observed for the milling processes, which could be used to accurately monitor and control the reaction. The complete conversion of rice husk SiO2 to high purity Si was demonstrated, taking advantage of the rice husk's uniform nanoporosity and global availability, using a 5L-scale attrition-mill. The resulting porous Si showed excellent performance as a Li-ion battery anode, retaining 82.8% of the initial capacity of 1466 mAh g(-1) after 200 cycles.</P>