Ganglioside GM1 influences the proliferation rate of mouse induced pluripotent stem cells

( Jae-sung Ryu ),( Kyu-tae Chang ),( Ju-taek Lee ),( Malg-um Lim ),( Hyun-ki Min ),( Yoon-ju Na ),( Su-bin Lee ),( Gislain Moussavou ),( Sun-uk Kim ),( Ji-su Kim ),( Kinarm Ko ),( Kisung Ko ),( Kyung- 생화학분자생물학회 2017 BMB Reports Vol.50 No.6

The ACKNOWLEDGEMENTS should be corrected as follows, This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea. The published article in this journal was a part of the 2013 Doctoral thesis of Jae-Sung Ryu submitted to Wonkwang University, Korea. and not This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea.

林相別 夏期 流出量 調査硏究

柳澤圭,李天龍,金載水 圓光大學校 1986 論文集 Vol.20 No.2

우리나라의 水資源을 論함에 있어서 全 國土의 66%를 차지하고 있는 山地의 물 收支문제는 河川의 流量을 決定하게 되는 매우 重要한 要因이라고 생각된다. 이리하여 京畿道 光陵의 優良한 闊葉樹와 고거 甚한 山地荒廢로 砂防事業을 實施한 바 있는 京畿道 楊洲郡 檜泉面 栗亭里 불량 소나무 ?樹林地를 選定하여 降水量 및 流水量調査 施設을 設置하여 調査하고 山林狀態가 降水에 따른 流出이 어떻게 나타나고 있는가를 綿密하게 分析하였다. Natural water resource of our country depends on o forest area because of it is occupied about 66% of country area. The yield of water in the forest is very important factor to decide of stream flow for use. Two area of good forest land and a poor forest land near the Euijeong-bu city for this study. The good forest is consisted of natural old aged broad-leaf trees and the poor forest is consisted of natural pine sapling. The permanant gauge station which installed with a self-recording raingague and a stage recorder in a stilling well was established in each experimental plot. It was carried out during 1978-1982 about the characterize of rainfall and runoff. We are clear up the effect of forest in the control of water discharge. In monthly distribution of annual rainfall, more than 60% of the total annual rainfall were recorded for 2 months from July to August. Annual run-off rate was analysed as 35.4% from the good forest, while 39.8% from the poor forest. Good forest has increased larger storage water in the soil than a poor forest.

자궁근종의 양성 폐전이 치료 1례

유애리,문성택,김윤숙,전섭,최승도,선우재근,배동한 순천향의학연구소 2008 Journal of Soonchunhyang Medical Science Vol.14 No.2S

..

질편모충(Trichomonas vaginalis)의 시험관내에서의 용혈능

안명희,류재숙,홍택원,민득영 한양대학교 의과대학 1995 한양의대 학술지 Vol.15 No.2

To evaluate the hemolytic activity of T. vagindlis from Korean women and fresh human RBC of A type were nsed for hemolytic assay. RBC(1×10 /ml) was added to RPMI-TPS media(RPMI 1840:TPS-1= 20 : 1) containing T. vaginalis(2×10 ) and incubated at 37℃, 5% CO₂incubator for 6hr and hemolysis was measured by spectrophotometer at 412m. We investigated the parasite to erythrocyte ratio and lemperature needed for hemotysis. Optimal erythrocyte lysis by T. vaginalis was achieved at ratio of 1 : 5 and optimol temperature 37℃. Minimal hemolytic activity was detected in lysates of T. vaginalis. No hemolysis occured when a membrane a 3㎛ pore size was nsed to prevent contact between parasites and erythrocytes. These data suggest a need for contact for trichomonol hemolysis. Hemolytic activity did not correlated with the production of subcutaneous abscess in mice.

생물학적 영양염류 제거를 위한 돈사폐수의 반응특성

한동준,류재근,임연택,임재명 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-

본 연구는 생물학적 영양염류제거에 있어 돈사폐수의 반응특성을 고찰하기 위하여 수행되었다.반응특성으로는 돈사폐수 욘존 COD의 약 66.1%는 생물학적 분해가 빨리 일어나는 유기물이였으며, 생물학적 분해가 불가능한 용존COD는 약 11~12%였다. 호기성 고정생물막 반응조에서 질소는 탈기 ,질산화, autotrophic,과 heterotrophic미생물의 세포합성으로 제거되었는데, 제거율은 각각 12.1%,68,9%15,0% 그리고 4.0%였다. 돈사폐수 This study was performed to investigate the reaction characteristics of piggery wastewater for biological nutrient removal. The reaction characteristics discussed the fraction of organics the behavior of nitrogen, nitrification, denitrification and the behavior of phosohorus. The fraction of readily soluble COD was 11~12 percent. The ammonia nitrogen was removed via stripping nitrification autotrophic cell synthsis and heterotrophic cell synthesis. The removal percents by each step were 12.1%, 68.9%, 15.0% and 4.0% respectively. Nitrification inhibition of piggery wastewater was found to occur at an in fluent volumetric loading rate over 0.2 NH_(3)-Nkg/㎥/d. Denitrification rates were the highest in the raw wastewater and the lowest in the anaerobic effluent. The denitritation of piggery wastewater came out to be possibe, and the rate of organic carbon consumption deceased about 10 percent The phosphorus removed was released in the form ortho-p in the aerobic fixed biofilm reactor it was caused by autooxidation. The synthesis and release of phosphorus were related to the ORP and the boundary value for the phase change was about 170mV. In the synthesis phase, the phosphorus removal rate per COD removed was 0.023mgP_(ayn)/mgCOD_(rem) The phosphorus contents of the microorganism were 4.3~6.0% on a dry weight basis

효율적 질소제거를 위하 단일 혐기성 반응조의 개선

한동중,류재근,임연택,임재명 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-

This research aims to remove nitogen in the piggery wastewater by combined process with upflow anaerobic sludge blanket(UASB) and biofilm process. For the effective denitrification anaerobic and anoxic reactors were connected to a reactor. The effluent of aerobic reactor was recycled equally with influent in the upper filter of anaerobic reactor for denitrification and outlet of UBF reactor was connected to the settling tang with 1.5ℓ capacity and the settling sludge was repeatedly recycled to UASB zone. The organic loading rate of total reactor was operated from 0.4 to 3.1kgCOD/㎥/d and it was observed that the removal rate of TCOD was 80 to 95 percentage AMMonia nitrogen was removed over 90 percentage in the less volumetric loading rate than 0.1 kgN/㎥/d But because of non-limitation of organic materials, it was reduced to 70 perventage in the more volumetric loading rate than 0.6kgN/㎥/d But denitrification rate was observed 100 percentage in the all of loading rate. This is caused by the maintenance of optimum temperature, surfficient carbon source and competition of observed with the 71.7 percentage of influent COD. It was revealed that the most part of organic materials was removed in the aerobic and the anaerobic reactor because 38.4 percentage was conbersed into CH_(4) gas and 11 percentage was removed in the aerbic reactor with cell synthesis and metabolism. Besides, 5.7% organics was used to denitrification reaction and 3.7% organics related to sulgate reduction.

강섬유로 보강한 재생골재 콘코리트의 강도특성

구봉근,김창운,류택은,이재범,류연종,이현석 충북대학교 산업과학기술연구소 2002 산업과학기술연구 논문집 Vol.16 No.1

This study was performed to investigate the strength characterstics of steel fiber reinforced recycled aggregate concrete. Test specimens were prepared with compressive, split tensile, flexural specimens and tested by ultimate strength. A superplasticizer and fly-ash were added to the mix to improve performance of recycled concrete. Test-variables are substitution of recycled aggregate(0, 30, 50%), steel fiber length(0, 30, 50, 60mm), steel fiber content(0, 0.5, 1.0, 1.5%). Test-specimen were classified by test-variables. The experimental results on the various engineering properties of steel fiber reinforced recycled aggregate concrete using waste concrete are summarized as follows. It was found that the compressive and split tensile strength were proportionally affected by quantities of recycled aggregate substitutions, but flexural strength wasn't. The maximum compressive strength was 392 kgf/㎠( series 4 : R30 L30 V1.0 A20 ), the maximun split tensile strength was 40 kgf/㎠( series 7 : R30 L30 V1.5 A20) and the maximum flexural strength was 62 kgf/㎠( series 7 : R30 L30 V1.5 A20 ).

향부자팔물탕이 (香附子八物湯) 흰쥐의 방사형 미로학습과 기억에 미치는 영향

유재면(Jae Myun Ryu),김종우(Jong Woo Kim),황의완(Wei Wan Whang),김현택(Hyun Taek Kim),이홍재(Hong Jae Lee) 대한한방신경정신과학회 1998 동의신경정신과학회지 Vol.9 No.2

Purpose : This study has an experiment on finding how Hyangbujapamultang advanced the learning and memory of rat to find the method to improve the failure of memory which is the symptom of dementia. Method : In the experiment, rats were divided the control group (14 rat) which medicate the excipient into the sample group (17 rat) which medicates Hyangbujapalmutang. And the learning ability test and the memorv test was practiced to using the task of radial arm maze. The learning ability test had the presupposition that, when a rat which frequents 8 tracks makes am error not exceeding one time for 3 days without a break, it passes the test. First experiment compared total days when the control group passed the test with total days when the sample group it. The memory test practiced after 24 hours when the learning ability test was over. When a rat frequents 4 tracks, the gates is cut off during 30 seconds. Here the number of error at the control group with that of the sample group. Result: In the learning ability test, the sample group needed 5.82±0.37 days to pass the test and the control group needed 6.43±0.67 days. In the memory test, the sample group errored 0.29±0.37 times and the control group errored 1.86±0.78 times. Conclusion : In the learning ability test, the sample group passed the test earlier than the control group, but any statistical correlationship couldn`t be found in it. In the memory test, the sample group had the pregnant reduction of the number of error in comparison with the control group.

중국의 한국사 이해와 역사해석의 준거

류재택(Jae Taek Ryu) 단국사학회 1998 史學志 Vol.31 No.1

N/A

포스터발표 : 하수처리 ; 바실러스균을 이용한 분뇨(糞尿)의 고도처리

류동경 ( Dong Kyeong Ryu ),김재형 ( Jae Hyoung Kim ),배상득 ( Sang Deuk Bae ),오영택 ( Young Taek Oh ),박제철 ( Je Chul Park ),류재근 ( Jae Keun Ryu ) 대한상하수도학회 2004 공동추계 학술발표회 논문집 Vol.2004 No.-