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상기도 감염 후 연하곤란을 호소한 제 9, 10 뇌신경 마비
박호용 ( Ho Yong Park ),이오영 ( Oh Young Lee ),양선영 ( Sun Young Yang ),천승민 ( Seung Min Cheon ),이항락 ( Hang Lak Lee ),한동수 ( Dong Soo Han ),전용철 ( Yong Cheol Jeon ),손주현 ( Joo Hyun Sohn ),윤병철 ( Byung Chul Yoon ) 대한소화기기능성질환·운동학회 2005 Journal of Neurogastroenterology and Motility (JNM Vol.11 No.1
Oropharyngeal dysphagia is characterized by difficulty in transferring food from the mouth through the upper esophageal sphincter into the upper esophagus. Lesions involving the vagus and glossopharyngeal nerve may cause dysphagia and dysphonia. On rare o
마그파인 자석의 불가역 감자 특성을 고려한 EV 구동용 전동기 설계
박호용(Ho-Yong Park),이수경(Soo-Gyung Lee),정영훈(Young-Hoon Jung),정경태(Kyung-Tae Jung),홍정표(Jung-Pyo Hong) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Recently, the high power density and efficiency of interior permanent magnet synchronous motor (IPMSM) for electric vehicle traction has been attracting attention. Particularly in order to overcome the cost issues of rare-earth dependent on China, Magfine magnet, which consists of neodymium without Dysprosium (Dy) and has enhanced coercive force, has been developed. However, Magfine magnet is vulnerable to irreversible demagnetization by external magnetic field. And it is essential to prevent this phenomenon. This paper suggests a design using the magnetic flux barriers in order to decrease the irreversible demagnetization of the permanent magnet (PM). Also, by using the 2-D finite element analysis (2-D FEA), it was confirmed that the permanent magnet irreversible demagnetization characteristic of the proposed model is improved. Thus, when advancing research in consideration of the Magfine fabrication process, it is expected that the commercialization of Magfine magnet can be accelerated with a more accurate performance prediction.
민소영,박호용,김명희,김정일,Min, So-Young,Park, Ho-Yong,Kim, Myoung-Hee,Kim, Jeong-Il 생화학분자생물학회 1986 한국생화학회지 Vol.19 No.4
인시목 곤충에 독성을 나타내는 B. thuringiensis 가운데서 subspecies kurstaki HD-73으로부터 독소 유전자를 E. coli에 cloning하였다. 먼저 biotin으로 표지된 DNA probe (pC34)로서 전체 plasmid들과 hybridization한 결과, 75 kb plasmid상에 독소유전자가 존재함을 알았다. 75 kb plasmid를 제한효소 BgIII로 절단하여 vector pBR322에 삽입시켜 독소유전자를 포함하는 14.3 kb의 삽입부위를 가지는 clone인 pMK73을 얻었고, 이를 subcloning하여 3.7 kb의 독소유전자만을 포함하는 clone을 얻었다. 이 clone들의 total cell extract들은 흰불나방 유충에 독성을 나타내어 독소유전자의 E. coli에서의 발현을 확인할 수 있었다. Insecticidal crystal protein (CP) gene of Bacillus thuringiensis subsp. kurstaki HD-73 has been identified to be located in a 75-kilobase plasmid by southern hybridization technique using the biotinylated DNA probe (pC34), and cloned into the gram negative bacterium, Escherichia coli. E. coli transform ants harboring full length or truncated (nearly full length) CP genes have expressed them with no significant differences in their larvicidal activity. The crude extracts of E. coli clones were seen to be about 30-fold less potent than that of HD-73, as long as the larvicidal activity against the fall webworm, Hyphantria cunea, is concerned.