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소수성을 갖는 소금쟁이 다리 모사 마이크로 구조물 설계 및 제작
이선영(Seonyoung Lee),노승민(Seungmin Noh),김우주(Woojoo Kim),이상임(Sangim Lee),피오트르야브원스키(Piotr Jablonski),최홍수(Hongsoo Choi) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Water strider hair surfaces are known to have super-hydrophobicity. The super-hydrophobicity of water strider hair plays a major role in the micro structures on the hair and the air present between them. Also, the surface of the micro structure in the water strider hair is expected to enhance super-hydrophobicity. In this study, a three-dimensional micro structure was fabricated in order to investigate the contribution of microstrucrue to the super-hydrophobicity of such water strider. In addition, the design simplification and optimization structure according to the characteristics of the water strider were also produced. To measure the hydrophobicity of the structure casued by the hair, the hair structure was fabricated in a laid down form. Through this optimized structure, the hydrophobicity will be measured using micro spray and a high-speed camera. This result can be applied for the manipulation of the microrobot in and on the water.
급성 췌장염 및 용혈성 요독 증후군을 동반한 Campylobacter jejuni 장염 1예
김우주,신동현,우흥정,정희진,이진수,박승철,김민자 대한감염학회 1997 감염 Vol.29 No.5
Campylobater jejuni 장염은 설사, 복통, 발열을 주증상으로하는 설사병으로 일정 기간이 경과하면 저절로 좋아지는 경우가 많다. 그러나 드물게는 이 질환과 동반되어 췌장염, 복막염, 신장염, 용혈성 요독 증후군 등의 다양한 급성기 합병증 및 관절염 등의 후기 합병증을 동반하기도 한다. 저자들은 Campylobater jejuni 장염과 합병되어 췌장염, 용혈성 요독 증후군등의 임상상을 보인 환자를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Campylobacter jejuni enterocolitis is one of the common causes of acute infectious diaithea, but most of them remain unrecognized by routine microbiologic examination. Its clinical manifestations are watery diarrhea, malaise, fever and abdominal pain. The clinical course is self-limited in majority of cases. However cases of Campylobacter jejuni infections as cholecystitis, pancreatitis, peritonitis or cystitis have been infrequently repoted. Moreover, reactive arthritis, hepatitis, interstitial nephirtis or hemolytic uremic syndrome rarely developes in Campylobacter jejuni enterocolitis. We experienced a patient with Campylobacter jejuni enterocolitis. who had shown complex clinical features manifested by pancreatitis and hemolytic uremic syndrome. We reported the case with literature reviews.