http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
E1 A 와 Ha - ras 발암유전자 REF52 세포의 증식과 c - myc 유전자의 발현에 미치는 영향에 관하여
민홍식,강현삼 ( Heung Shik Min,Hyen Sam Kang ) 생화학분자생물학회 1990 BMB Reports Vol.23 No.2
Contrary to the previous report (Ruley et al., 1985), it was found that the division of REF52 cells containing E1A, an early gene from Adenovirus, was not arrested in the mitogen poor media. They continued to synthesize DNA in the serum free media containing Dulbecco`s Modified Eagle`s media (DMEM), insulin, transferrin, selenium, linoleic acid, and bovine serum albumin. Activated T24 Ha-ras oncogene which was expressed at 10-30% of the level of the endogeneous c-Ha-ras p21 in REF52 cells (Franza et al., 1986) did not affect the growth arrest pattern of REF52 cells appreciably compared to control REF52 cells. The cell division was verified by ³H-thymidine incorporation which was detected by emulsion autoradiography and fluorescence activated cell sorter analysis. When the steady state expression of c-myc was measured by RNA hybridization assay in the serum free and 10% fetal calf serum media, it was found that ElA regulated c-myc expression down and the activated Ha-ras oncogene did not affect c-myc expression.
기후변화에 따른 동중국해 해양 순환 변화 예측에 대한 수치 실험 연구
민홍식,김철호 한국해양과학기술원 2012 Ocean and Polar Research Vol.34 No.4
We simulated and compared present and future ocean circulation in the East China Sea using an East Asia Regional Ocean model. Mean climate states for 1990~1999 and 2030~2039 were used as surface conditions for simulations of present and future ocean circulation, which were derived from the simulations of three different global climate models, ECHAM5-MPI, GFDL-CM2.0 and MIROC3.2_hires, for the 20th century and those of 21st century as projected by the IPCC SRES A1B. East Asia Regional Ocean model simulated the detailed patterns of temperature, salinity and current fields under present and future climate conditions and their changes instead of the simple structures of global climate models. To some extent, there are consistent ocean circulation changes derived from the three pairs corresponding to the global climate model in so much as the temperature increases not only in winter but summer at both the surface and bottom and that temperature and salinity changes are prominent near the Chinese coast and in the Changjiang bank. However, the simulated circulations are different among each other depending on the prescribed atmospheric conditions not only under present climate but also with regard to future climate conditions. There is not a coincident tendency in ocean circulation changes between present and future simulations derived from the three pairs. This suggests that more simulations with different pairs are needed.
2006~2010년 기간 동안 대한해협 서수도에서 관측된 해수 물성의 변동
민홍식,박재훈,최아라,박영규,신경순,장풍국 한국해양과학기술원 2011 Ocean and Polar Research Vol.33 No.3
Seasonal to inter-annual variations of water properties in the western channel of the Korea Strait are investigated using quasi-monthly hydrographic observations collected during 2006-2010. Weak vertical temperature and salinity gradients are observed during the winter months and these remain until May. At the upper layer, temperature increases from March and reaches a maximum in August, while salinity decreases during the same period. Near-bottom water shows low temperatures during late winter and fall with a minimum peak in September. Korea Strait Bottom Cold Water produces thick layers (>20 m) in 2006 and 2010, while it is observed very near the bottom with relatively high temperature in 2008 and 2009.
민홍식,임보영 한국해양과학기술원 2015 Ocean and Polar Research Vol.37 No.4
We analyzed the North Pacific Intermediate Water (NPIW) that was simulated in 25 coupled general circulation models (CGCMs) using historical and Representative Concentration Pathway 4.5 (RCP4.5) scenario experiments of Coupled Model Intercomparison Project Phase 5 (CMIP5), focusing on the evaluation of the performance of HadGEM2-AO. A large inter-model diversity in salinity, density, and depth of the NPIW exists even though the multi-model ensemble mean (MME) is comparable to observations. It was found that the depth of the NPIW tends to be deeper in the models in which the NPIW is relatively saltier. HadGEM2-AO simulates the lightest NPIW having the lowest salinity at shallower depth, compared with other CGCMs. Future projections of the NPI show that the temperature of the NPIW increases, but the density decreases in all CMIP5 models. It was shown that the salinity of the NPIW decreases in most models and the decrease tends to be larger in models simulating the lighter NPIW. The HadGEM2-AO projects moderate changes in the temperature and density of the NPIW out of the CMIP5 models.