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시토키닌 활성물질 Thidiazuron 처리가 포도 '거봉'(Vitis labruscana)의 果粒肥大 및 品質에 미치는 影響
이재창,박일룡,이금선,김진국,황용수 충남대학교 농업과학연구소 2003 농업과학연구 Vol.30 No.2
본 실험은 새로운 비 punne계 사이토카이닌 활성 물질인 thidiazuron(TDZ)이 포도 '거봉'의 과립 중 및 과실 품질에 미치는 영향을 조사하기 위하여 실시하였으며 대조 약제로 forchlorfenuron(CPPU)을 이용하였다. 생리적 낙화 후 5일의 TDZ를 처리는 과방의 무핵과립의 착립수를 증가시켜 과방중은 유의하게 증가하였으나 과립중은 증가하지 않았다. 그러나 낙화후 10 또는 15일 처리는 무핵과립의 착립수를 감소시켜 과립중이 유의하게 증가하였다. 따라서 TDZ처리는 생리적 낙과가 어느 정도 진행된 만개 10~15일 후에 처리하는 것이 유리하였다. GA 25mg·L^(-1)처리도 과립중 증가에 효과적이었으나 TDZ와 GA혼용 처리는 각 약제를 단용 처리할 때보다 과립중 증대 효과가 더욱 컸다. 두 약제간에는 TDZ가 대조약제인 CPPU가보다 과립비대 증진 효과가 더욱 컸으며 TDZ처리 농도가 20㎎·L^(-1)에서도 약해는 발생하지 않았으나 착색과 성숙은 더욱 지연되는 것으로 나타나 적정 처리농도는 5~10㎎·l^(-1)이었다. This experiment was conducted to find the effect of a non-purine cytokinin, thidiazuron(TDZ), on the increase of berry size and fruit quality in 'Kyoho' grapes. For the comparison, the effect of forchlorfenuron(CPPU) was also examined The number of shot berries per cluster was significantly increased by the application of TDZ at 5 days after calyptra fall, resulting in the increase of cluster weight but no increase of each berry weight. The increase of berry weight was found when TDZ was applied at 10 to 15 days after calyptra fall. Gibberellin(GA 25㎎·L^(-1)) was also effective on the increase berry weight and the combined application of GA and TDZ further increased the berry weight. TDZ showed stronger effect on the increase of berry weight than CPPU at the same concentration. Berry ripening was more delayed at higher concentration of TDZ but no chemical injury was observed even at 20㎎·L^(-1). Results indicated that TDZ was effective on the quality improvement through berry weight increase and the recommended concentration TDZ for 'Kyoho' gapes was 5 to 10㎎·L^(-1).
국진이 ( Jin Yi Kuk ),윤소연 ( So Yean Yoon ),김민지 ( Min Ji Kim ),이정원 ( Jeong Won Lee ),김병기 ( Byoung Gie Kim ),배덕수 ( Duk Soo Bae ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.10
Peripheral primitive neuroectodermal tumor (PNET) is a small round tumor belonging to the PNET/Ewing`s sarcoma family classified based on location in the body. There have been a small number of case reports of PNET arising in the ovary. We present extremely rare case of PNET of the ovary occurring in a 32-year-old pregnant woman, which was detected during her second Cesarean section. She had a past history of oophorectomy due to a huge mature solid teratoma in left ovary during her first Cesarean section. She got the operation of right salpingoophorectomy during the second Cesarean section at local gynecologic clinic and referred to our institute. Magnetic resonance imaging and positron emission tomography revealed the PNET was metastased to the peritoneum and the lymph nodes. We had persecuted vincristine, doxorubicin, cyclophosphamide, and etoposide/ifosfamide 8 cycles. There has been no evidence of local tumor recurrence and metastasis after the chemotherapy until now.
Korean red ginseng exerts anti-infl ammatory and autophagy-promoting activities in aged mice
Jin Kyeong Kim,Kon Kuk Shin,Haeyeop Kim,Yo Han Hong,Wooram Choi,Yi-Seong Kwak,Chang Kyun Han,Sun Hee Hyun,Jae Youl Cho 고려인삼학회 2021 Journal of Ginseng Research Vol.45 No.6
Background: Korean red ginseng (KRG) is a traditional herb that has several beneficial propertiesincluding anti-aging, anti-inflammatory, and autophagy regulatory effects. However, the mechanisms ofthese effects are not well understood. In this report, the underlying mechanisms of anti-inflammatoryand autophagy-promoting effects were investigated in aged mice treated with KRG-water extract(WE) over a long period. Methods: The mechanisms of anti-inflammatory and autophagy-promoting activities of KRG-WE wereevaluated in kidney, lung, liver, stomach, and colon of aged mice using semi-quantitative reverse transcriptionpolymerase chain reaction (RT-PCR), quantitative RT-PCR (qRT-PCR), and western blot analysis. Results: KRG-WE significantly suppressed the mRNA expression levels of inflammation-related genessuch as interleukin (IL)-1b, IL-8, tumor necrosis factor (TNF)-a, monocyte chemoattractant protein-1(MCP-1), and IL-6 in kidney, lung, liver, stomach, and colon of the aged mice. Furthermore, KRG-WEdownregulated the expression of transcription factors and their protein levels associated with inflammationin lung and kidney of aged mice. KRG-WE also increased the expression of autophagy-relatedgenes and their protein levels in colon, liver, and stomach. Conclusion: The results suggest that KRG can suppress inflammatory responses and recover autophagyactivity in aged mice.
Korean Red Ginseng Exerts Anti-inflammatory and Autophagy-promoting Activities in Aged Mice
Jin Kyeong Kim(김진경),Kon Kuk Shin(신건국),Hae Yeop Kim(김해엽),Yo Han Hong(홍요한),Wooram Choi(최우람),Yi Seong Kwak(곽이성),Chang Kyun Han(한창균),Hee Hyun Sun(선희윤),Jae Youl Cho(조재열) 한국약용작물학회 2021 한국약용작물학회 학술대회논문집 Vol.2021 No.1
Integrated heat and power management of buildings with the energy recovery of a cement plant
Jin-Kuk Kim,Miae Kim,Michael Binns,Jae Ha Lee,Haejin Cho,Sung Chul Yi 한양대학교 세라믹연구소 2021 Journal of Ceramic Processing Research Vol.22 No.6
The study aims to discuss the characteristics of heat-to-power ratios for CHP (Combined Heat and Power) systems and tounderstand the techno-economic impact on design and operation of CHP-based energy systems. The design procedure, subjectto energy storage and energy demand profiles is suggested in a systematic and integrated manner to determine the minimumcapacities of heat and power required and additionally to obtain any surplus or deficit of energy to be imported or exported. Investigation is also made to improve the cost-effectiveness for the energy management of building by integrating industrialwaste heat and its use for the CHP unit. The case study is presented to illustrate how overall strategy for energy managementof CHP systems are heavily dependent on power-to-heat ratio of the prime mover and to demonstrate economic benefit of heatintegration between CHP-based building and an industrial site.
Effects of Plasma Immersion Ion Implanted and deposited layer on Adhesion Strength of DLC film
Jin-Woo Yi(이진우),Jong-Kuk Kim(김종국),Seock-Sam Kim(김석삼) 한국트라이볼로지학회 2004 한국트라이볼로지학회 학술대회 Vol.39 No.-
Effects of ion implantation on the adhesion strength of DLC film as a function of ion doses and implanted energies were investigated. Ti ions were implanted on the Si-wafer substrates followed by DLC coating using ion beam deposition method. Adhesion strength of DLC films were determined by scratch adhesion tester. Morphologies and compositional variations at the different ion energies and doses were observer by Laser Microscope and Auger Electron Spectroscopy, respectively. From results of scratch test, the adhesion strength of films was improved as increasing ion implanted energy, however there was no significant evidence with ion dose.
TiC 이온 주입 층에 증착된 DLC 박막의 트라이볼로지적 특성
이진우(Jin-Woo Yi),김종국(Jong-KuK Kim),김석삼(Seock-Sam Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
Effects of ion implantation and deposition on the tribological properties of DLC film as a function of implanted energies and process times were investigated. TiC ions were implanted and deposited on the Si-wafer substrates followed by DLC coating using ion beam deposition method. In order to study tribological properties such as friction coefficient and behavior of DLC film on the modified surface as a function of implanted energies and process times, we used a ball-on-disc type apparatus in the atmospheric environment. From results of wear test, as the implanted energy was increased, the friction coefficient was more stable below 0.1.