• 제목/요약/키워드: Harvard University

검색결과 377건 처리시간 0.027초

한국문학의 영어권에 있어서의 수용 및 연구 현황 - 미국을 중심으로 (The Translation and Study of Korean Literature in English Speaking Countries)

  • 권석우
    • 인문언어
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    • 제7집
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    • pp.205-226
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    • 2005

  • Up to January 2003, the amount of English translated works of Korean Literature are 399, among which 170 are translated abroad, 189, in Korea, and 40, abroad as well as in Korea at the same time. Like other language speaking countries, the 1980s and the 1990s are peak not only for the translation of Korean Literature but also for its scholarly attention. The statistic analysis of information, accumulated in various databases such as The Harvard Korean Studies Bibliography, Hawaii Korean Studies Bibliography, and MLA International Bibliography, shows that up to February 2004, 33 books, 16 dissertations and one thesis, 200 articles, and 84 reviews are wholly devoted to the study of Korean Literature in English speaking countries. However, why certain works of poets like Kim Sowol, Han Youngun, So Chungju, and novelists like Hwang Sunwon, Han Moosook, Kim Dongri are mostly translated in English speaking countries remain to be analysed in their socio-political details in breadth and depth. Likewise, why the works of So Chungju, Yi Kwangsoo, Kim Manjoong, Han Youngun, Kim Sowol, Chung Jiyoung are mostly taught and studied in English speaking countries are open to further scholarly discussion and debate.

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Hot plasmas in coronal mass ejection observed by Hinode/XRT

  • 이진이
    • 천문학회보
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    • 제37권1호
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    • pp.97-97
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    • 2012

  • Hinode/XRT has observed coronal mass ejections (CMEs) since it launched on Sep. 2006. Observing programs of Hinode/XRT, called 'CME watch', perform several binned observations to obtain large FOV observations with long exposure time that allows the detection of faint CME plasmas in high temperatures. Using those observations, we determine the upper limit to the mass of hot CME plasma using emission measure by assuming the observed plasma structure. In some events, an associated prominence eruption and CME plasma were observed in EUV observations as absorption or emission features. The absorption feature provides the lower limit to the cold mass while the emission feature provides the upper limit to the mass of observed CME plasma in X-ray and EUV passbands. In addition, some events were observed by coronagraph observations (SOHO/LASCO, STEREO/COR1) that allow the determination of total CME mass. However, some events were not observed by the coronagraphs possibly because of low density of the CME plasma. We present the mass constraints of CME plasma and associated prominence as determined by emission and absorption in EUV and X-ray passbands, then compare this mass to the total CME mass as derived from coronagraphs.

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Multi-host Pathogenesis by Pseudomonas aeruginosa and Use of Drosophila melanogaster as a New Model Host

  • Cho You-Hee;Lau Gee;Rahme Laurence
    • 한국미생물학회:학술대회논문집
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    • 한국미생물학회 2002년도 추계학술대회
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    • pp.40-50
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    • 2002

  • Fruit fly, Drosophila melanogaster has developed efficient immune mechanisms to prevent microbial infection, which are consisted of cellular and humoral responses. During the systemic or local infection, two distinct pathways (Toll and Imd) play major roles in antimicrobial peptide synthesis. The Toll pathway is required to defend Gram-positive bacterial and fungal infections, whereas the Imd pathway is important in Gram-negative bacterial infection. We have shown that the infection of the opportunistic Gram-negative bacterium, Pseudomonas aeruginosa strain PA14 (PA14) into fly dorsal thorax can kill the flies within 48 h ($100\%$ mortality) in our optimized infection condition, suggesting that the PA14 strain can cause disease progress in fly model system. We found that flies carrying a constitutively activated mutant form of the Toll receptor $(Tl^{10b})$ showed increased resistance to P. aeruginosa infection and that flies carrying mutations in the Toll signaling pathway as well as in the Imd signaling pathway was more susceptible to PA14 infection. All these results imply that the Toll pathway might be important in the resistance to this pathogenic Gram-negative bacterial infection.

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Preclinical study of a novel ingestible bleeding sensor for upper gastrointestinal bleeding

  • Kimberly F. Schuster;Christopher C. Thompson;Marvin Ryou
    • Clinical Endoscopy
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    • 제57권1호
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    • pp.73-81
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    • 2024

  • Background/Aims: Upper gastrointestinal bleeding (UGIB) is a life-threatening condition that necessitates early identification and intervention and is associated with substantial morbidity, mortality, and socioeconomic burden. However, several diagnostic challenges remain regarding risk stratification and the optimal timing of endoscopy. The PillSense System is a noninvasive device developed to detect blood in patients with UGIB in real time. This study aimed to assess the safety and performance characteristics of PillSense using a simulated bleeding model. Methods: A preclinical study was performed using an in vivo porcine model (14 animals). Fourteen PillSense capsules were endoscopically placed in the stomach and blood was injected into the stomach to simulate bleeding. The safety and sensitivity of blood detection and pill excretion were also investigated. Results: All the sensors successfully detected the presence or absence of blood. The minimum threshold was 9% blood concentration, with additional detection of increasing concentrations of up to 22.5% blood. All the sensors passed naturally through the gastrointestinal tract. Conclusions: This study demonstrated the ability of the PillSense System sensor to detect UGIB across a wide range of blood concentrations. This ingestible device detects UGIB in real time and has the potential to be an effective tool to supplement the current standard of care. These favorable results will be further investigated in future clinical studies.

  • https://doi.org/10.5946/ce.2022.293 인용 PDF