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부산·경남지역 사찰에서 수집된 차나무(Camellia sinensis L.)잎 형태별 분류
제순자(Je, Soon-Ja)・,이용호(Lee, Yong-Ho)・,오주성(Oh, Ju-Sung3)・,정영수(Chung, Yong-Soo)・,정대수(Chung, Dae-Soo) 한국차학회 2007 한국차학회지 Vol.13 No.1
본 시험은 부산·경남지역 사찰 주변에 자생하고 있는(또는 30년 이상 재배되어 온) 차나무를 중심으로 14개 지역을 선정하여 산지별로 차나무 잎을 채취, 수집하여 잎 형태별 특성을 조사하였다. 차나무 잎의 형태적 특성 중 엽장(葉長) (12.04㎝), 엽폭(葉幅)(4.90㎝), 엽면적(葉面積)(41.33㎝)은 사천 배방사지 차나무 잎이 가장 크게 나타났으며, 가장 작게 나타난 곳은 부산 전등사 차나무가 엽장(6.30㎝)과 엽폭(2.48㎝)이 작으며, 엽면적은 거제 봉곡사(14.80㎝) 차나무가 가장 작게 나타났다. 엽병장(葉柄長)은 밀양의 엄광사지(0.57㎝)와 사천 배방사지(0.57㎝) 차나무 잎이 가장 길게 나타났으며, 거치수(鋸齒數)는 사천 배방사지(30.13개) 차나무였으며, 엽맥수(葉脈數)는 하동 쌍계사(11.27개) 차나무로 가장 많게 나타났다. 생엽중(生葉重)과 건엽중(乾葉重)은 사천 배방사지 차나무가 생엽중(0.81 g), 건엽중(0.34 g)으로 가장 무거웠으며, 가장 작은 지역은 부산 전등사가 생엽중(0.25 g)이며, 건엽중은 전등사와 범어사(0.10 g)가 가장 가볍게 나타났다. 차나무 잎의 형질간 상관관계는 수량성을 나타내는 건엽중은 엽장, 엽폭, 엽면적, 생엽중과 고도의 유의성을 보였으며 0.8이상의 매우 높은 유의차를 보였다. 본 연구 결과 사천 배방사지 차나무가 엽장(葉長), 엽폭(葉幅), 엽면적(葉面積), 엽병장(葉柄長), 거치수(鋸齒數), 생엽무게, 건조무게 등은 전체적으로 가장 크고 무거웠으며, 엽맥수(葉脈數)는 하동 쌍계사 주변의 차나무가 가장 많았다. 자생하는 차나무의 다양한 유전적 변이를 이용하여 유용한 유전자원으로 이용한다면 우량 다수성 계통의 신품종 개발 가능성이 높을 것으로 판단되며, 금후 자생지역별로 생육환경이나 지리적 특성도 검토 분석 한다면 기능성 신품종 개발 보급에 기초 자료로서 활용성이 높을 것으로 판단된다. We collected the tea leaves from the vicinity of 14 Buddhist temple located in Busan and Gyeongnam area where wild tea trees and more than 30 year old tee trees were commonly found. The characteristics of the tea leaves were surveyed. Among those tee leaves from 14 areas, Baebangsaji (Goseong) tea leaves had the highest value of leaf length (12.04 ㎝), leaf width(4.90 cm), and leaf area (41.33 ㎝). The tea leaves of Jeondeungsa (Busan) had the lowest value of leaf length (6.30 ㎝) and leaf width (2.48 ㎝). The tea leaves of Bonggoksa (Geoje) had the lowest value of leaf area (14.80 ㎝). The longest leaf stalk length was Umgwangsaji (Miryang) tea leaves (0.57 ㎝) and Baedangsaji (Goseong) tea leaf (0.57 ㎝). The largest No. of serrate was Baedangsaji (Goseong) tea leaves (30.13) and for leaf vein was Ssanggyesa (Hadong) as a number of 11.27. The heaviest weight of fresh leaf was Baedangsaji (Goseong) tea leaf (0.81 g) and, also, the dry tea leaf of Baedangsaji (Goseong) was the heaviest (0.34 g). The lightest weight of fresh leaf was Jeondeungsa (Busan) tea leaves (0.25 g) and the lightest weight of dry leaf was Jeondeungsa. In this study, leaf length, leaf width, leaf area, leaf stalk length, No. of serrate, weight of fresh leaf and weight of dry leaf value of the leaves collected from Baedangsaji (Goseong) was generally high and The highest value of No. of leaf vein was from Ssanggyesa (Hadong).
이재영(Jae-Young Lee),정우성(Woo-Sung Jung),권태순(Tae-Soon Kwon),방윤석(Yoon-Sock Bang) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
Recently, the national target of GHG reduction has be presented voluntarily in whole world as it will be allocated regionally in Post-Kyoto mechanism. Korean government will also set up the GHG reduction target of 2020 soon. In the Korean railroad, ERP(Eco-green Railway Program) 2020 has been performing to countermeasure climate change polices from 2008. The aim of this study was to analyze CO2 emission and to predict its prospects by 2020 if the additional efforts do not be carried out for CO2 reduction. The CO2 emission was calculated using the amount of energy consumption from the operation of railcars and facilities, and then the change till 2020 was estimated. In the future, the GHG reduction target of Korean Railroad in 2020 will be determined reasonably on the application of railroad policies and technologies.
Eun-Do Kim,Jin-Kwon Lee,Jin-Kyu Cho,Jae-Myung Kim,Ji-Ho Park,Ju-Yeon Kim,Sang-Ho Jeong,Young-Tae Ju,Chi-Young Jeong,Eun-Jung Jung,Young-Joon Lee1,Soon-Chan Hong,곽승진 대한종양외과학회 2019 Korean Journal of Clinical Oncology Vol.15 No.2
Purpose: Whether subtotal or total colectomy with primary anastomosis (PA) is safer than Hartmann procedure (HP) for left-sided colon cancer obstruction or perforation remains controversial. The purpose of this study was to compare postoperative morbidity, mortality, and defecation frequency between PA and HP for left-sided colon cancer obstruction or perforation. Methods: This retrospective study enrolled 54 patients from January 2014 to February 2018 who underwent emergency surgery due to left-sided colon cancer obstruction or perforation. Results: PA was carried out in 20 patients while HP was performed for 34 patients. Thirty-day mortality did not show significant difference between the two groups (15.0% vs. 14.7%, P=1.000). No anastomotic leakage occurred in PA group while three (8.8%) cases of stump leakage occurred in HP group. Stoma repair was performed for 13 cases (44.8%) and stoma reformation was performed for one case in HP group (7.7%). Stoma related complications occurred in five cases (17.24%). For patients after stoma repair, defecation frequency at 3 months after operation was 2.91±2.88 times per day in PA group and 2.86±2.63 times per day in HP group. At 1 year after operation, defecation frequency was changed to 1.40±1.12 times per day in PA group and 1.17±0.39 times per day in HP group. Conclusion: Primary ileosigmoid or ileorectal anastomosis for left-sided colon cancer obstruction or perforation is safe, and shows similar outcome of defecation frequency compared to H
( Hee Yeon Kim ),( Jong Young Choi ),( Dong Goo Kim ),( Myoung Soo Kim ),( Soon Il Kim ),( Shin Hwang ),( Sung Gyu Lee ),( Kwang Woong Lee ),( Kyung Suk Suh ),( Young Seok Han ),( Dong Lak Choi ),( Se 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-
Background: The outcome of hepatitis B virus (HBV) infection after liver transplantation (LT) was improved by hepatitis B immunoglobulin (HBIG) and nucles(t)ide analogue (NUA). However, HBV recurrence after LT is critical because the recurrence is occasionally accompanied by a progressive destruction of graft and poor survival. The aims of this study were to investigate the significance HBV recurrence and identity factors associated with HBV recurrence. Methods: From October 1999 to February 2011, a total of 2684 consecutive LT recipients who underwent HBV-associated LT were retrospectively enrolled from 7 transplantation centers in Korea. Results: Prophylaxis regimens were HBIG monotherapy (67.7%) or a combination of HBIG with NUA (22.3%). The recurrence rate of HBV was 6.1% (164 recipients) during mean follow-up duration of 10.9 years. The median time from transplantation to recurrence was 2.1 years (0.1-7.9 years). Of the 1,071 patients with hepatocellular carcinoma (HCC) prior to LT, 155 patients (14.5%) had HCC recurrence after transplantation, and 48 patients (31.0%) had HBV recurrence. Of the 48 patients with recurrence of both HBV and HCC, 25 patients (52.1%) experienced HBV recurrence after HCC recurrence. In the multivariate analysis, pretransplant HCC, pretransplant HBV DNA above 5.5 log copies/mL was independent clinical factors influencing HBV recurrence after LT. The mortality rate among the recipients with HBV recurrence was 34.1% (56 recipients). Mean overall survival was 6.4 years in the HBV-recurrence group and 9.9 years in the HBV-nonrecurrence group (p<0.001). HBV recurrence was not an independent prognostic factor for overall survival. HCC recurrence was the most important factor for overall survival. Conclusions: The overall outcome of LT in HBV-related liver disease was excellent with the current prophylaxis regimen Choon Hyuck David Kwon,8 Suk-Koo Lee8 Pretransplant HBV DNA and HCC were important factors for HBV recurrence. HBV recurrence after LT did not significantly influence on the overall survival without combining of HCC recurrence.
Body Mass Index is Associated with <i>USF1</i> Haplotype in Korean Premenopausal Women
Lee, Seong-Kyu,Kim, Hyun-Jin,Kim, Byung-Joon,Jo, Young-Suk,Park, Kang-Seo,Baik, Haing-Woon,Hyun, Sung Hee,Lee, Je Chul,Kim, Soon Ae The Korean Academy of Medical Sciences 2008 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.23 No.1
<P>The upstream stimulatory factor 1 (<I>USF1</I>) gene has been shown to play an essential role as the cause of familial combined hyperlipidemia, and there are several association studies on the relationship between <I>USF1</I> and metabolic disorders. In this study, we analyzed two single nucleotide polymorphisms in <I>USF1</I> rs2073653 (306A>G) and rs2516840 (1748C>T) between the case (dyslipidemia or obesity) group and the control group in premenopausal females, postmenopausal females, and males among 275 Korean subjects. We observed a statistically significant difference in the GC haplotype between body mass index (BMI) ≥25 kg/m<SUP>2</SUP> and BMI <25 kg/m<SUP>2</SUP> groups in premenopausal females (χ<SUP>2</SUP>=4.23, <I>p</I>=0.04). It seems that the <I>USF1</I> GC haplotype is associated with BMI in premenopausal Korean females.</P>
A selective fluoroionophore based on BODIPY-immobilized silica nanoparticles for Cu2+ ion.
Lee, Hye Young,Bae, Soon Young,Jin, Jong Sung,Jung, Jong Hwa American Scientific Publishers 2010 Journal of nanoscience and nanotechnology Vol.10 No.4
<P>A new fluorescent receptor based on BODIPY-immobilized silica nanoparticles (BODIPY-SiO2), BODIPY-SiO2, was prepared. The BODIPY-SiO2 exhibits a high affinity and selectivity for Cu2+ over competing metal ions in water. Upon the addition of Cu2+, an overall emission change of 5-fold was observed. On the other hand, except Cu2+, no significant fluorescence intensity changes were observed in the experiments using other metal ions. Interestingly, the increase in fluorescence intensity upon exposure to Cu2+ was fully reversible, as the addition of strong base to the acidic solution reversed this effect. Furthermore, we found that the BODIPY-SiO2, can remove 75% of Cu2+ ion from Cu2+ solution. Thus, the BODIPY-SiO2 can be potentially useful and effective agents of separation for selective and rapid removal of Cu2+.</P>
TGF-β2 stimulates cranial suture closure through activation of the Erk-MAPK pathway
Lee, Sang-Won,Choi, Kang-Young,Cho, Je-Yoel,Jung, Sung-Hwa,Song, Kun-Bae,Park, Eui-Kyun,Choi, Je-Yong,Shin, Hong-In,Kim, Shin-Yoon,Woo, Kyung-Mi,Baek, Jeong-Hwa,Nam, Soon-Hyeun,Kim, Young-Jin,Kim, Hyu Wiley Subscription Services, Inc., A Wiley Company 2006 Journal of cellular biochemistry Vol.98 No.4
<P>Cranial sutures are important growth sites of the skull. During suture closure, the dura mater is one of the most important sources of various positive and negative regulatory signals. Previous results indicate that TGF-β2 from dura mater strongly accelerates suture closure, however, its exact regulatory mechanism is still unclear. In this study, we confirmed that removal of dura mater in calvarial organ culture strongly accelerates sagittal suture closure and that this effect is further enhanced by TGF-β2 treatment. TGF-β2 stimulated cell proliferation in the MC3T3-E1 cell line. Similarly, it stimulated the proliferation of cells in the sutural space in calvarial organ culture. Furthermore, TGF-β2-mediated enhanced cell proliferation and suture closure were almost completely inhibited by an Erk-MAPK blocker, PD98059. These results indicate that TGF-β2-induced activation of Erk-MAPK is an important signaling component that stimulates cell proliferation to enrich osteoprogenitor cells, thereby promoting their differentiation into osteoblasts to achieve a rapid calvarial bone expansion. J. Cell. Biochem. 98: 981–991, 2006. © 2006 Wiley-Liss, Inc.</P>