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Yeong-Tae Park,Chul-Gyou Im,Yeong-Tae Kim,Bo-Sung Rhee 한국탄소학회 2009 Carbon Letters Vol.10 No.3
Among other filters such as light filter, wave filter, air filter, ultra filter and filter paper, a novel adsorption filter from thermostable polyester nonwoven fabrics immobilized with functional super activated carbon by means of quinoline soluble, activateable isotropic pitch binder were developed in this study. The activated carbon precursor is available in the market branded as coconut shell based activated carbon(CCS-AC) produced by Dongyang Carbon Co. Ltd. BET-surface area of this precursor was 1,355 m2/g, after KOH-activation it increased over 2,970 m2/g and was named as super activated carbon. In the preliminary research, this precursor was impregnated with PdCl2(0.188 wt%) KMnO4(3 wt%) and redox-agent(CuCl2, 0.577 wt%) in order to promote TOF up to 100/h and Selectivity up 99% and patented as a functional AC for the ethylene adsorption. The enhancement of the isotropic pitch binder to the AC-immobilized adsorption filter was BET-surface area upgraded by 266 m2/g and promoted the Iodine- and MB-adsorption by 1.4 times, respectively and also micro pore wide ranges 〈 5a~30 a 〉.
김효빈,김자형,이종승,홍수종,성규보,Kim, Hyo Bin,Kim, Ja Hyung,Lee, Jong Seung,Hong, Soo-Jong,Sung, Gyou Bo 대한소아청소년과학회 2003 Clinical and Experimental Pediatrics (CEP) Vol.46 No.4
저자들은 자주 고열을 동반한 감기 증상을 보였던 15세 남아에서 우연히 발견된 내대엽성 폐 격리를 흉부 단층촬영과 동맥 조영술을 시행하여 흉부 대동맥 아래쪽에서 혈액 공급을 받고 좌하폐정맥으로 배액되는 내대엽성 폐 격리를 확진한 후, 코일과 젤폼을 이용해 동맥 색전술을 시행하여 그 크기가 감소하는 경우를 경험하였기에 보고하는 바이다. Pulmonary sequestration is a rare congenital mass of nonfunctional pulmonary tissue that lacks a normal-connection with the bronchial tree or the pulmonary arteries. It is clinically asymptomatic but when it is complicated with recurrent infection, it needs to be treated. Conventionally, surgical removal was recommended, but these days we are trying new and less invasive techniques, such as arterial embolization. There were several reports about successful cases of pulmonary sequestration treated by embolization, but mostly all of them were done to newborns or infants. We report a case of a 15-year-old boy with an asymptomatic pulmonary sequestration on whom was performed coil embolization, and in the follow-up computed tomography(CT), the size of the lesion was decreased. He did not suffer severe respiratory symptoms.