http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Park, Jeong-Ho,Yeo, Sang-Yeob,Park, Jung-Ki,Lee, Yong-Min The Korean Electrochemical Society 2010 한국전기화학회지 Vol.13 No.2
The plasticized polymer electrolytes based on polyvinylidene fluoride-co-hexafluoropropylene (P(VdF-co-HFP)), tetra (ethylene glycol) dimethyl ether (TEGDME), and lithium perchlorate ($LiClO_4$) are prepared for the lithium sulfur batteries by solution casting with a doctor-blade. The polymer electrolyte with EO : Li ratio of 16 : 1 shows the maximum ionic conductivity, $6.5\;{\times}\;10^{-4}\;S/cm$ at room temperature. To understand the effect of the salt concentration on the electrochemical performance, the polymer electrolytes are characterized using electrochemical impedance spectroscopy (EIS), infrared spectroscopy (IR), viscometer, and differential scanning calorimeter (DSC). The optimum concentration and mobility of the charge carriers could lead to enhance the utilization of sulfur active materials and the cyclability of the Li/S unit cell.
Park, Hyung Seok,Choi, Ji-Yeob,Lee, Mi-Jeong,Park, Seho,Yeo, Chang-Woo,Lee, Sang Seop,Shin, Jae-Gook,Park, Byeong-Woo The Korean Academy of Medical Sciences 2011 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.26 No.8
<P>The aim of the study was to evaluate the association between genetic polymorphisms of <I>CYP2D6</I> and outcomes in breast cancer patients with tamoxifen treatment. We evaluated the <I>CYP2D6</I> genetic polymorphisms in 766 breast cancer patients. Among them, 110 patients whose samples were prospectively collected before surgery and treated with tamoxifen were included to evaluate the association between <I>CYP2D6</I> and outcomes. The genotypes of <I>CYP2D6</I> were categorized as extensive metabolizer (EM), intermediate metabolizer (IM), and poor metabolizer (PM) according to the activity score. The clinicopathologic features of 110 patients were not significantly different among the three groups except for the T-stage and nodal status. The high T-stage and axillary metastasis were more frequent in the PM group. While recurrence-free and overall survival in the PM group was poorer than the other groups, there was no significant difference between the EM and the IM group. The difference between the PM and the other groups on univariate analysis disappeared on multivariate analysis. These conflicting results suggest that the clinical value of <I>CYP2D6</I> polymorphisms is still unclear and more large-sized and comprehensively designed trials are necessary.</P>