http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
일개 대학병원에 내원한 원발성 폐암 환자의 인구학적 및 병리학적 특성
주혜원,강경필,김민근,박민석,임현민,이현경,이성순,이영민,김주인,염호기,최수전,이혁표 인제대학교 2006 仁濟醫學 Vol.27 No.-
Background : Recently, the lung cancer mortality rank first in Korea. The prognosis of lung cancer is not good enough with current treatments and multimodality treatments are required. So we are interested in the characteristics of lung cancer patients for better treatment. Methods : We searched lung cancer patients since 1994. Then we collected the data of primary lung cancer patients about the demographic features, histologic types and diagnotic methods. We divided the total period into 2 haves and specific analysis was tried. Results : 1) Total 850 patients were included. 633 (74.5%) were male and 217 (25.5%) were female. 2) The mean age was 65 ± 11 years old. and the peak age was 7th decades. 3) Squamous cell carcinoma(334/850, 39.3%) was slightly more prevalent than adenocarcinoma(302/850, 35.5%). Conclusion : From these results, we expected that older persons will be diagnosed to have lung cancer and adenocarcinoma will be more dominant histologic type with time.
數 種 韓藥의 아세틸콜린에스터레이즈 酵素活性에 대한 효과
최재환,김미영,김현미,최훈,전훈,김대근,임종필,임강현 대한본초학회 2002 大韓本草學會誌 Vol.17 No.1
아세틸콜린에스터레이즈(AChE)는 신경조직에 분포하는 효소로 신경전달물질 중 아세틸콜린(ACh)을 분해하는 효소로 시냅스 신호전달체계에 있어 중요한 역할을 하는 효소이다. 현재 알츠하이머병과 치매치료에 사용하는 서양약물은 AChE의 활성을 저해하는 작용기전을 가진다. 목적 : 전통적으로 기억력 감퇴, 치매 등 치료에 사용되어 온 한약의 AChE에 대한 작용을 밝히기 위해 본 실험이 구상되었다. 방법 : 생쥐 대뇌신경세포의 균질 혼합액으로부터 효소의 활성을 Ellman 방법을 개선한 엘리자(ELISA)법을 이용하여 측정하였다. 결과 : 실험결과 天花? 의 6종이 2.5㎎/㎖의 농도에서 우수한 효소활성저해력을 보였고, 50% 효소활성 저해농도(ID_50)를 구한 결과, 天花?의 ID_50은 1.5㎎/㎖이었고, ??? 1.2 ㎎/㎖, ?? 2.0 ㎎/㎖, ??草 1.2 ㎎/㎖, ??? 1.0 ㎎/㎖, ??生 1.7㎎/㎖, 및 大?皮 2.0 ㎎/㎖를 나타내어 忍冬?의 저해력이 가장 우수하였다. 결론 : 치매 및 기억력감퇴 증상을 치료하는 한약의 작용기전 중 AChE 효소활성억제효과는 忍冬? 의 6종에서 나타났으며, 이는 전통적인 한방치료에 과학적인 기초자료를 제공할 것으로 생각한다.
Lim, Ilhan,Park, Joon Yeun,Kang, Hye Jin,Hwang, Jae Pil,Lee, Seung Sook,Kim, Kyeong Min,Choi, Tae Hyun,Yang, Sung Hyun,Kim, Byung Il,Choi, Chang Woon,Lim, Sang Moo S. Karger AG 2013 Acta haematologica Vol.130 No.2
<P>Abstract</P><P><B><I>Aims:</I></B> It was the aim of this paper to identify prognostic factors in patients with relapsed or refractory B-cell non-Hodgkin's lymphomas, treated by radioimmunotherapy (RIT) with radioiodinated human/murine chimeric anti-CD20 monoclonal antibody rituximab (<SUP>131</SUP>I-rituximab). <B><I>Methods:</I></B> Twenty-four patients were enrolled prospectively and were treated with unlabeled rituximab 70 mg and a therapeutic activity (median 7.3 GBq) of <SUP>131</SUP>I-rituximab. Contrast-enhanced <SUP>18</SUP>F-FDG PET/CT scans were performed before and after 1 month of RIT. Tumor sizes and maximum standardized uptake values (SUV<SUB>max</SUB>) of scans were measured. <B><I>Results:</I></B> Four of the 24 patients survived. High SUV<SUB>max</SUB> in a pretreatment scan was found to be related to poorer overall survival (OS) and progression-free survival (p = 0.04 and 0.02, respectively). Furthermore, a large tumor size in a pretreatment scan was associated with poorer OS but not with progression-free survival (p < 0.01 and p = 0.07, respectively). By multivariate analyses, a high SUV<SUB>max</SUB>, a large tumor size in a pretreatment scan and diffuse large B-cell lymphoma histology were significantly associated with poorer OS [p = 0.04/hazard ratio (HR) = 3.54, p < 0.01/HR = 5.52, and p = 0.02/HR = 3.38, respectively). <B><I>Conclusion: </I></B>SUV<SUB>max</SUB> and tumor size determined by a pretreatment <SUP>18</SUP>F-FDG PET/CT result as significant predictors of OS in patients with relapsed or refractory B-cell non-Hodgkin's lymphoma treated by RIT.</P><P>Copyright © 2013 S. Karger AG, Basel</P>
Hydroxyapatite Coating on TiO<sub>2</sub> Nanotube by Sol—Gel Method for Implant Applications
Lim, Hyun-Pil,Park, Sang-Won,Yun, Kwi-Dug,Park, Chan,Ji, Min-Kyung,Oh, Gye-Jeong,Lee, Jong-Tak,Lee, Kwangmin American Scientific Publishers 2018 Journal of Nanoscience and Nanotechnology Vol.18 No.2
<P>The aim of this study was to determine the effect of hydroxyapatite (HA) coating on titanium dioxide (TiO2) nanotube by sol-gel process on viability of osteoblast like cell (MC3T3-E1) and bone formation in rat tibia. Specimens were divided into three groups including commercially pure titanium (control group), TiO2 nanotubes (group N), and HA coated TiO2 nanotubes (group HN). Surface characteristics were determined using field emission scanning electron microscope (FE-SEM; S-4700, Hitachi, Japan) and contact angles were measured. Cell viability was investigated in vitro after 1 day, 3 days, and 7 days of incubation. Implants (2.0 mm in diameter and 5.0 mm in length) were inserted into the tibia of rats. After 4 weeks, histomorphometric analysis was performed. Both N and HN groups showed enhanced hydrophilicity compared to control group. After 7 days of implantation, group HN showed higher cell viability with marginal significance (0.05 < P < 0.1). Bone to implant contact (BIC) ratio in the control group, group N, and group HN were 32.5%, 33.1%, and 43.8%, respectively. Results of this study showed that HA coated TiO2 nanotube using sol-gel process could be used to enhance hydrophilicity and improve osseointegration of dental implant surface.</P>
Transgenic Cucumber Expressing Nit Gene
Hyun A Jang,Ga Min Lim,Hyun A Kim,Youn-il Park,Suk Yoon Kwon,Pil Son Choi 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
To produce abiotic stress resistant transgenic cucumber, the cotyledonary node explants of cucumber (c.v. Eunsung) were inoculated with A. tumefaciens strain EHA105 containing the binary vector (pPZP211) carrying Nit gene. The 491 explants inoculated with bacterium solution for 30 min were maintained on 50 mg/L paromomycin contained shoot induction (SI) medium for first 2 weeks and then subcultured on 100 mg/L paromomycin to obtain transgenic adventitious shoots for 4 x 14 days. So far, 5 plant were selected, and then acclimated in soil. Of them, 3 transgenic plants with Nit gene were confirmed by Southern blot analysis.
김현진(Hyun Jin Kim),이승현(Seung-Hyun Lee),권혜림(Hey Lim Kwon),임형미(Lim Hyung Mi),장석필(Seok Pil Jang) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
In this paper, thermal conductivities of water-based Al₂O₃ nanofluids with brick, blade, platelet and rod type nanoparticle are measured by transient hot wire method to investigate the effect of nanoparticle shape on thermal conductivity. Water-based Al₂O₃ nanofluids are prepared by two-step method and that of volume fraction is 3%. Temperature dependency of thermal conductivity of water-based Al₂O₃ nanofluids is also studied by measuring of thermal conductivity from 22℃ to 42℃. TEM micrograph, zeta potential and BET are measured to investigate suspension and disperse stability of water-based Al₂O₃ nanofluids. Furthermore, Experimental results are compared with theoretical models such as Hamilton-Crosser model considering the shape effects on thermal conductivity.