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2단 튜브형 가열로 반응기에 의한 초미세 SiO<sub>2</sub> 입자의 제조 및 증착 연구
유수종,김교선,You, Soo-Jong,Kim, Kyo-Seon 강원대학교 산업기술연구소 1997 産業技術硏究 Vol.17 No.-
The effects of preheating the gas stream on deposition characteristics of ultrafine $SiO_2$ particles were investigated theoretically. The model equations such as mass and energy balance equations and aerosol dynamic equations were solved to predict the particle growth and deposition. The gas temperatures, $SiCl_4$ concentrations, $SiO_2$ particle volumes, $SiO_2$ particle sizes and deposition efficiencies of $SiO_2$ particles were calculated for various preheating temperatures. As the preheater setting temperature increases, the $SiO_2$ particle size distribution becomes more uniform, because the effect of $SiCl_4$ diffusion decreases.
증착 구간에서의 온도 제어에 따른 SiO<sub>2</sub> 초미립자의 증착 특성 고찰
유수종,김교선,You, Soo-Jong,Kim, Kyo-Seon 강원대학교 산업기술연구소 1996 産業技術硏究 Vol.16 No.-
The deposition characteristics of ultrafine $SiO_2$ particles were investigated in a tube furnace reactor theoretically and experimentally controlling tube wall temperature in deposition zone. The model equations such as mass and energy balance equations and aerosol dynamic equations inside reactor and deposition tube were solved to predict the particle growth and deposition. The particle size and deposition efficiencies of $SiO_2$ particles were calculated, changing the process conditions such as tube furnace setting temperature, total gas flow rate inlet $SiCl_4$ concentration and were compared with the experimental results.
춘계학술대회 : 총회구연 ; 간세포암 종괴내 N-cadherin 발현 양상의 예후 예측 인자로서의 역할
유수종,윤정환,곽금연,김윤준,이효석,장자준,김정룡 대한간학회 2005 Clinical and Molecular Hepatology(대한간학회지) Vol.11 No.3(S)
배경/목적: 간세포암은 절제 후 다양한 재발률과 생존율을 보이며 이를 예측하기 위하여 여러 임상적 및 조직학적 지표들이 이용되고 있다. 이와 더불어 최근에는 세포간 adhesion molecule인 E-cadherin 및 이와 관련된 beta-catenin과 같은 생화학적 지표가 새로운 예후 예측 인자로서 제시되었으나 아직까지 일관된 보고는 없는 실정이다. 본 연구에서는 adhesion molecule 중 종양의 진행과 전이 과정에서 흔히 관찰되는 상피
유수종,이윤빈,조은주,이정훈,김효철,정진욱,윤정환,김윤준 대한간암학회 2023 대한간암학회지 Vol.23 No.1
Background/Aim: To evaluate the applicability of transarterial chemoembolization (TACE) treatment with doxorubicin drug-eluting beads (DEBs) in advanced hepatocellular carcinoma (HCC) patients with portal vein invasion (PVI). Methods: This prospective study was approved by the institutional review board and informed consent was obtained from all participants. A total of 30 HCC patients with PVI received DEB-TACE between 2015 and 2018. The following parameters were evaluated: complications during DEB-TACE, abdominal pain, fever, and laboratory outcomes, including liver function change. Overall survival (OS), time to progression (TTP), and adverse events were also analyzed and assessed. Results: DEBs measuring 100–300 μm in diameter were loaded with doxorubicin (150 mg per procedure). There were no complications during DEB-TACE and no significant differences in the levels of prothrombin time, serum albumin, or total bilirubin at follow-up compared to baseline. The median TTP was 102 days (95% confidence interval [CI], 42–207 days) and the median OS was 216 days (95% CI, 160–336 days). Three patients (10%) had severe adverse reactions, including transient acute cholangitis (n=1), cerebellar infarction (n=1), and pulmonary embolism (n=1), but no treatment-related death occurred. Conclusions: DEB-TACE may be a therapeutic option for advanced HCC patients with PVI.