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康俊吉,洪義錫 光云大學校 1974 論文集 Vol.3 No.-
디지탈 통신 혹은 아날로그신호의 디지탈 메모리등을 위한 주파수 변조에 관한 시스템을 구성하였다. 본래는 양자화된 음성신호의 디지탈녹음을 위한 것으로서 디코딩을 행하였을때 본래의 아날로그 신호에 가까운 결과를 가져왔다. In the transmission or recording system for digital signals, some modulation techniques are used. High level and low level are shifted on frequencies of 50 KHz and 35 KHz respectively, and transmited to communication channel or to memory system. All system designed for these purposes showed in good results.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
A Novel Anti-cancer Agent, SJ-8029, Inhibits Angiogenesis and Induces Apoptosis
Yi Eui-Yeun,Jeong Eun-Joo,Song Hyun-Seok,Kang Dong-Wook,Joo Jeong-Ho,Kwon Ho-Seok,Lee Sun-Hwan,Park Si-Kyung,Chung Sun-Gan,Cho Eui-Hwan,Kim Yung-Jin The Korean Society for Biomedical Laboratory Scien 2006 Journal of biomedical laboratory sciences Vol.12 No.3
A new piperazine derivative, 8J-8029, is a synthetic anti-cancer agent which exhibits both microtubule and topoisomerase II inhibiting activities. In this study, we investigated the ability of 8J-8029 for anti-angiogenesis and apoptosis. 8J-8029 decreased the bFGF-induced angiogenesis in the CAM and the mouse Matrigel implants, in vivo. 8J-8029 inhibited the proliferation, migration, invasion, tube fonnation, and expression of MMP-2 in BAECs. In addition, 8J-8029 reduced the cell viability in HepG2 cells, caused the production of fragmented DNA and the morphological changes corresponding to apoptosis. 8J-8029 also elicited the release of cytochrome c and the activation of caspase-3. Taken together, these results suggest 8J-8029 may be a candidate for anti-cancer agent with the ability to inhibit the angiogenesis of endothelial cells and to induce the apoptosis of tumor cells.
강보석(Bo-Seok Kang),김학규(Hak-Kyu Kim),김종대(Chong-Dae Kim),허강녕(Kang-Nyeong Heo),추효준(Hyo-Jun Choo),황보종(Jong Hwangbo),서옥석(Ok-Suk Suh),홍의철(Eui-Chul Hong) 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.1
This study was carried out to investigate the performance of growing period of two-crossbred of Korean Native Chickens. A total of four hundred eighty female 2-crossbred chicks that restored strains and were aboriginal at National Institute of Animal Science. Treatments were four crossbreds (4 replications/crossbred, 30 birds/replication) as A) C strain * S strain, B) C strain * H strain, C) R strain * S strain, and D) L strain * H strain, respectively. Livability of C crossbred was the highest as over 90% and that of B crossbred was the lowest as 73~78% during growing period (P<0.05). Body weight of A crossbred was the highest at the 4 week and that of D strain was the lowest at the 4 and 8 week (P<0.05). Weekly body weight of B and C crossbreds were higher than A and D crossbreds (P<0.05). There was no significant difference among four crossbreds. Weekly feed intake of D crossbred was the highest among all crossbreds at 0~4 weeks (P<0.05). These results suggested the basic data on the record of growing phase of 2-crossbreed Korean Native Chickens.
토종 실용계 생산용 2원 교배종 종계의 산란 능력 검정
강보석(Bo-Seok Kang),추효준(Hyo-Jun Choo),김학규(Hak-Kyu Kim),김종대(Chong-Dae Kim),허강녕(Kang-Nyeong Heo),황보종(Jong Hwangbo),서옥석(Ok-Suk Suh),최희철(Hee-Cheol Choi),홍의철(Eui-Chul Hong) 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.2
This study was carried out to investigate the performance of laying period of two-way crossbred of Korean native chickens. A total of four hundred eighty female 2-crossbred chicks that restored strains and were aboriginal at National Institute of Animal Science. Treatments were four crossbreds (4 replications/crossbred, 30 birds/replication) as A) C strain × S strain, B) C strain × H strain, C) R strain × S strain, and D) L strain × H strain, respectively. There were no significant difference on age, egg weight, and body weight at first egg among crossbreds (P>0.05). Body weight of D crossbred was lower compared to other crossbreds at the age of 24, 32, 40 and 60 week (P<0.05). Feed intake of A crossbred was highest among crossbreds (P<0.05). Weekly egg weight of A crossbred was the highest among crossbreds all laying period except 48~52 and 60~64 weeks. Hen-house egg production of A and B crossbreds was higher than that of C and D crossbreds (P<0.05). Hen-day egg production decreased after at the age of 36 weeks. Weekly egg production of A and B crossbreds was higher compared to C and D crossbreds (P<0.05). These results suggested the basic data on the record of laying period of 2- crossbreed Korean Native Chickens.