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( Agata Malinowska ),( Sylwia Kowalczyk1 ),( Zdzis Aw Targo Ski ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.3
The identification of bacteriophage proteins on the surface of Lactobacillus rhamnosus Pen was performed by LC-MS/MS analysis. Among the identified proteins, we found a phage-derived major tail protein, two major head proteins, a portal protein, and a host specificity protein. Electron microscopy of a cell surface extract revealed the presence of phage particles in the analyzed samples. The partial sequence of genes encoding the major tail protein for all tested L. rhamnosus strains was determined with specific primers designed in this study. Next, RT-PCR analysis allowed detection of the expression of the major tail protein gene in L. rhamnosus strain Pen at all stages of bacterial growth. The transcription of genes encoding the major tail protein was also proved for other L. rhamnosus strains used in this study. The present work demonstrates the spontanous release of prophage-encoded particles by a commercial probiotic L. rhamnosus strain, which did not significantly affect the bacterial growth of the analyzed strain.
Firm's Choice between Export and R&D and its Effect on the Firm's Productivity and Survival
Bee Yan Aw,송백훈 연세대학교 동서문제연구원 2013 Global economic review Vol.42 No.3
This paper examines the nature and process of technology upgrade among firms in South Korea and the underlying productivity dynamics by using micro panel data. In this paper, we see important aspects of the firm’s behaviour on improving its productivity through internal and external knowledge creation activities represented by research and development (R&D) and export, respectively. Our results indicate that the level of a firm’s productivity plays an important role in determining its decision on R&D investment and export. In addition, a firm’s experiences involved exporting and/or investment in R&D increase the probability of its current decision on export and/or R&D investment. Firms that either export or invest in R&D show significantly high productivity level than other firms that do not involve in any of two activities. Furthermore, firms that export and invest in R&D simultaneously are more likely to have higher productivity than firms that only participate in one of two activities. These findings are consistent with the hypothesis of compounding effects of two types of knowledge creations, R&D and export.
魚慶洪 김천대학교 1985 김천대학교 논문집 Vol.6 No.-
Pain is the most common, usually unpleasant and disabling condition about which so little is understood. Management of pain, particulary chronic pain, is a challenging subject in clinical medicine. The physical therapist is accustomed to evaluating treatment results with a variety of objective clinical, physical, and functional tests. A complete medical history, including the patient’s chief complaint, etiology of pain, past and current activity levels, and previous responses to illness, is helpful in assessing the patient’s response to treatment. The purpose of this article is to present a number of basic suggestions to guise the clinician and the physical therapist interested in application of the physical modalities for pain management program.
Shah, Syed M.,Aw, Tar-Ching,Blair, Iain,Hashmey, Rayhan,Sheek-Hussein, Mahmoud Occupational Safety and Health Research Institute 2011 Safety and health at work Vol.2 No.1
New epidemics of infectious diseases often involve health care workers. In this short communication we present a case report of a health care professional who became the first case of influenza H1N1 virus to be notified in the United Arab Emirates. There are several issues related to workplace considerations and general public health, including preventive measures, the need for isolation of the patient, dealing with contacts, return to work, and communication with the workforce.
윤일병,어성준 고려대학교 한국곤충연구소 1986 昆蟲硏究誌 Vol.12 No.1
韓國産 강도래目 毗蟲의 分類學的 硏究는 尹 魚(1985)에 의한 第一報에서 6科 11屬 17種을 報告한뒤, 새로이 기재되는 韓國産 未記錄屬인 Taenionema, Perlodes, Archynopteryx를 포함한 4科 9屬 11種을 정리하였으며, 그 結果는 다음과 같다.
한국산 강도래(적시목(積翅目)) 유충의 분류학적 연구(1) : Suborder Holognatha and Systellognatha 완설아목(玩薛兒牧) 및 동설아목(同舌亞目)
윤일병,어성준 고려대학교 한국곤충연구소 1985 昆蟲硏究誌 Vol.11 No.1
한국산 강도래 目(Plecoptera) 곤충의 성충에 대해서는 Okamoto(1921), Wu(1935, 1938), Ueno(1938), Zwick(1973a, b) 등이 7과 13속 20종을 기록한 바 있으나, 유충에 관해서는 아직까지 밝혀진 바 없다. 본 연구에서는 1967년 이래 남한 전역에서 채집된 유충을 동정 분류한 결과 우선 6과 11속 17종을 정리하여 발표한다. 그 내용은 다음과 같다.