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개에서 시행한 한쪽 이식 폐의 99m Tc - MAA 관류스캔
전석길(S . K . Zeon),류종걸(J . G . Ryu),박창권(C . K . Park),유영선(Y . S . Yoo),정덕수(D . S . Jung),이종길(J . K . Lee) 대한핵의학회 1997 핵의학 분자영상 Vol.31 No.3
N/A The aim of this study is to evaluate the efficiency of the pulmonary perfusion scan(Pp scan) in the experimental animal single lung transplantation. Eight left lung transplanted mongrel dogs were included in this study. The serial Pp scan with 111M.Bq 99mTc- MAA were done at the periods of immediate postoperative period, POD 3 days, and POD 10-14 days and finally autopsy was done in each cases. The transplanted lung perfusion was analysed as a percentage radioactivity of transplanted/native lung(T/N) ratio. The Pp scan of a donor mongrel dog was used as a reference(left/right lung (T/N) ratio : 85.2%). The average T/N ratio of all cases on immediate postoperative state(reperfusion injury) : 19.2%, three acute rejections : 12.6%, three bronchial dehiscences : 6.1% and two pulmonary thromboses : 2.0% Two cases showed moderate improvement of reperfusion injury as increasing the T/N ratio in POD 3 days Pp scan. The T/N ratio showed sequentially decreased in six cases. As a conclusion, the Pp scan could be a noninvasive method in the evaluation of the experimental one-lung transplanted mongrel dog.
펨토초 레이저를 이용한 박막 재료 및 기판 변화에 따른 가공 특성에 관한 연구
김병희(B. H. Kim),신홍규(H. G. Shin),이종길(J . G. Lee),정세채(S. C. Jeong) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
We have investigated the behavior of the ultra fast laser ablation of chromium films (200㎚) on the silicon and pyrex glass(corning 7740) substrate with respect to the laser fluence and the number of laser pulses. In addition, several experiments about ITO thin film were carried out with femto- second Ti:Sapphire laser (150fs). Fin ally, we introduce the ablation characteristic in accordance with materials of thin film and substrate.