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김곤섭,Eung-goo Lee,Yong-hwan Kim,정태성,Yong-seung Shin,Gee-wook Shin,Hui-guen Cha,Mi-rim Park 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Map of Soluble Proteins from Salmonella enterica Serovar Enteritidis byTwo-Dimensional ElectrophoresisMi-rim Park, Eung-goo Lee, Yong-hwan Kim, Tae-sung Jung, Yong-seung Shin, Gee-wook Shin, Hui-guen Cha and Gon-sup Kim*Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 660-701, KoreaReceived May 17, 2003 / Accepted July 23, 2003J. Vet. Sci. (2003), 4(2), 143-149JOURNAL OFVeterinaryScience*Corresponding author: Gon-sup Kim Laboratory of Veterinary Biochemistry, Collage of Veterinary Medicine, Gyeongsang National University, 900 Gazwa, Jinju 660-701 Korea Tel: +82-55-751-5823, Fax: +82-55-751-5803 E-mail: gonskim@nongae.gsnu.ac.kr
Gee-Suck Eu,Ill-Min Chung,Song-Joong Yun 한국작물학회 2010 한국작물학회 학술발표대회 논문집 Vol.2010 No.04
Biomass crops have potential as a source of renewable CO2-neutral energy to ease concerns about fossil fuel consumption. Therefore, there is an increasing interest in high biomass crops such as switchgrass (Panicum virgatum L.). Switchgrass is a perennial C4 grass that requires low cost for biomass production. In the previous study, we evaluated forty switchgrass germplasms for biomass yield and classified the germplasms into the high-, medium-, and low-yielding groups. In this experiment, we evaluated response of switchgrass accessions to fertilizer applications. A recommended level of fertilizer was applied to the field and responses of morphological and agronomic characteristics affecting biomass productivity (panicle length, clum length, leaf width, thickness, tiller numbers, effective tiller numbers, seed weight, plant weight) were analyzed. Also, the composition of organic compounds (crude protein, crude fat, ash, glucose, xylose) and mineral elements were analyzed for the two selected lines from each biomass yield group by the levels of exchangeable cations in the soil. Positive correlations were found between biomass yield and content of crude protein, crude fat, ash, T-N, glucose, and xylose. However, no relations were found between biomass yield and mineral elements such as Na, P, K, Fe and Zn. Biomass yield was increased by 1.9-fold by the fertilizer application and the traits most significantly affected by fertilizer application were effective tiller number and plant weight. The accessions that showed less than 10% increase in biomass productivity by the fertilizer application were accession 26, 29, 13, and 18. This study was supported by Technology Development Program for New Bioenergy (subject number-20070301030016), Rural Development Adiministration, Republic of Korea.
벼 種間交雜 O. sativa L.×O. grandiglumis Prod.에서 戾交雜과 胚珠培養의 效率性
Gee Jung Yu(柳基鉦),Tae Soon Kwak(郭泰淳),Kyung Ho Kang(姜京鎬),Huhn Pal Moon(文憲八) 한국육종학회 1997 한국육종학회지 Vol.29 No.4
For the successful production of F₁ plants and backcrossed progenies, various factors concerning seed-setting and plant recovery from ovules were evaluated in the interspecific cross between Hwaseongbyeo (AA) and O. grandiglumis (CCDD). Ovule culture time was quite critical for plant regeneration from cultured ovules with its highest rate at 15 days after pollination. Plants were not recovered from ovules less than 7 days or more than 21 days after pollination. Hormones applied to plants during booting stage significantly affected seed-setting and plant regeneration. For the seed-setting, GA₃ was most effective with single or combined treatments. 2, 4-D proved quite effective for plant regeneration, showing 80% regeneration rate in 2, 4-D 110ppm treatment and 85% in combined treatment, 2, 4-D 110ppm+NAA 50ppm+Kinetin 75ppm. When F₁ was used as female parent for backcross, seed-setting was quite low due to the severe shattering and abnormal embryo development. Non-clipping and successive pollination method was proved quite effective in preventing of shattering, resulting in elevated seed-setting and plant regeneration compared with the conventional clipping method. Embryo development was increased by successive backcross, reaching the highest rate of 6.3% at BC₃F₁ generation. The same trend was observed for plant regeneration rate, 2, 4% at BC₂F₁ and 100% at BC₃F₁ generation.
Gee Man Lee,Woo Sik Jung Korean Nuclear Society 2024 Nuclear Engineering and Technology Vol.56 No.4
Level 3 probabilistic safety assessment (PSA) is performed to calculate radionuclide concentrations and exposure dose resulting from nuclear power plant accidents. To calculate the external exposure dose from the released radioactive materials, the radionuclide concentrations are multiplied by two factors of dose coefficient and a finite cloud dose correction factor (FCDCF), and the obtained values are summed. This indicates that a standard set of FCDCFs is required for external exposure dose calculations. To calculate a standard set of FCDCFs, the effective distance from the release point to the receptor along the wind direction should be predetermined. The TID-24190 document published in 1968 provides equations to calculate FCDCFs and the resultant standard set of FCDCFs. However, it does not provide any explanation on the effective distance required to calculate the standard set of FCDCFs. In 2021, Sandia National Laboratories (SNLs) proposed a method to predetermine finite effective distances depending on the atmospheric stability classes A to F, which results in six standard sets of FCDCFs. Meanwhile, independently of the SNLs, the authors of this paper discovered that an infinite effective distance assumption is a very reasonable approach to calculate one standard set of FCDCFs, and they implemented it into the multi-unit radiological consequence calculator (MURCC) code, which is a post-processor of the level 3 PSA codes. This paper calculates and compares short- and long-range FCDCFs calculated using the TID-24190, SNLs method, and MURCC method, and explains the strength of the MURCC method over the SNLs method. Although six standard sets of FCDCFs are required by the SNLs method, one standard sets of FCDCFs are sufficient by the MURCC method. Additionally, the use of the MURCC method and its resultant FCDCFs for level 3 PSA was strongly recommended.
Gee, Min Sung,Kang, Sung-Bae,Kim, Namkwon,Choi, Jiyoon,Kim, Nam-Jung,Kim, Bum-Joon,Inn, Kyung-Soo,Lee, Jong Kil S. Karger 2018 Pharmacology Vol. No.
<P>Bardoxolone methyl (CDDO-me) is a synthetic triterpenoid that has been shown to suppress various cancers and inflammation. It has been implicated for the suppression of signal transducer and activator of transcription 3 (STAT3)-mediated signaling, which plays crucial roles in the development and progression of hepatocellular carcinoma (HCC). Previously, we showed that hepatitis B virus (HBV) large surface protein (LHB) variant W4P promotes carcinogenesis and tumor progression through STAT3 activation. Thus, we examined the anti-cancer activity of CDDO-me against HCC using W4P-LHB-expressing NIH3T3 cells and HepG2 and Huh7 HCC cell lines. CDDO-me exerted cytotoxic activity against W4P-LHB-expressing NIH3T3 cells, HepG2 cells, and Huh7 cells, and induced apoptotic cell death in a dose-dependent manner, demonstrating its anti-cancer activity against HCC. Sublethal concentrations of CDDO-me suppressed STAT3 activation by W4P-LHB ectopic expression and interleukin-6 treatment in W4P-LHB-NIH3T3 and Huh7 cells respectively. The suppression of STAT3 activation by CDDO-me in W4P-LHB-NIH3T3 cells was further confirmed by decreased cyclin D1 protein levels and increased p21 and p53 mRNA synthesis. In addition, CDDO-me treatment resulted in decreased cell migration and colony formation in in vitro assays using W4P-LHB-NIH3T3, HepG2, or Huh7 cell lines, supporting its anti-cancer activity through STAT3 inhibition. Furthermore, CDDO-me administration significantly suppressed tumor growth induced by W4P-LHB-expressing NIH3T3 cells in nude mice, confirming its anti-cancer activity. Collectively, our findings demonstrated that CDDO-me is capable of suppressing STAT3 activation in HCC cells and cells transformed by the natural variant of HBV protein. The results suggest that CDDO-me can be a potential therapeutic agent against HCC, especially tumors related to HBV mutations.</P>