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NUMERICAL SIMULATION AND PREDICTION OF NEGATIVE STORM SURGE IN THE YANGTZE RIVER ESTUARY
Zeng Hao Qin,Yi Hong Duan,De Bao Hu,Mao Xing Gong 한국해안해양공학회 1999 학술강연회 발표논문초록집 Vol.1 No.1
An attempt is made by using both statistical model and multi-layer simplified ECOM-Si model with temperature and salinity effects neglected to investigate numerically the negative storm surge (SS) in the Yangtze River estuary. An operational system for predicting the negative SS are constructed in conjunction of ECOM-Si model with the operational limited-area fine-mesh numerical weather prediction (NWP) model developed by the Shanghai Typhoon Institute(STI).To test the reliability of ECOM-Si model and to understand the computational feature of the model in simulating sea surface elevation, both semi-diurnal tide computation at the river mouth tidal station and numerical SS simulations under the action of idealized easterly and westerly winds are completed. Based on these experiments, a series of negative SS simulations induced by the cold wave, tropical and extratropical cyclones are carried out respectively, in which the objective analysis data of atmospheric forcings on the sea surface are offered by STI NWP model. Case experiments show that the predicted peak negative SS are coincident with the real ones and the phase differences between them are within a acceptable limit. The system is hopeful in operational use for predicting negative SS in the Yangtze River estuary.
Yuanyun Wei,Yaqi Gong,Shuang Wei,Yonglin Chen,Jian Cui,Xiang Lin,Yueqiu Yu,Hongxia Yan,Hui Qin,Lan Yi 대한약학회 2022 Archives of Pharmacal Research Vol.45 No.8
Sometimes, people can be exposed to moderateor high doses of radiation accidentally or through the environment. Radiation can cause great harm to several systemswithin organisms, especially the hematopoietic system. Severaltypes of drugs protect the hematopoietic system againstradiation damage in diff erent ways. They can be classifi edas “synthetic drugs” and “natural compounds.” Their cellularmechanisms to protect organisms from radiation damageinclude free radical-scavenging, anti-oxidation, reducinggenotoxicity and apoptosis, and alleviating suppression ofthe bone marrow. These topics have been reviewed to providenew ideas for the development and research of drugsalleviating radiation-induced damage to the hematopoieticsystem.
( Zhe Jin ),( Yan Qing Gong ),( Xin Cheng Qin ),( Jian Zhang ),( Yi Chen Zhu ),( Gui Ting Lin ),( Tom F Lue ),( Zhong Cheng Xin ) 한국조직공학·재생의학회 2008 조직공학과 재생의학 Vol.5 No.4
To explore the ability of MaxPol-T/S, a novelbiodegradable poly-lactic-co-glycolic acid(PLGA) scaffold, in providing a cell-matrix interaction interface for cell growth, we generated GFP positive adipose derived stem cell(ADSCGFP+) and fibroblasts(FCGFP+) for investigating the cellular growth on this biomaterial. The MaxPol-T/S was produced through salt-leaching/particulate-leaching technology for tissue engineering, which provides a modified surface for the best cellular attachment sites and nutrient supply and waste exchange conditions. The morphological features of MaxPol-T/S were studied with a scanning electron microscope and the ADSCGFP+ and FCGFP+ were confirmed by auto-fluorescence microscopy and flow cytometry assay. Being seeded onto the MaxPol-T/S in vitro, the growth and morphology of ADSCGFP+ and FCGFP+ were further verified by auto-fluorescence microscopy and MMT test. The ADSCs and fibroblasts, expressed strong GFP signals in the cytoplasm and nucleus, adhered and proliferated on the surface of scaffold MaxPol-T/S. Both cell lines survived on the scaffold more than 21 days in vitro and formed three-dimensional colonies on the surface of the MaxPol-T. In conclusion, MaxPol-T/S is a novel PLGA scaffold for ADSCGFP+ and FCGFP+ and implies a promising technique for tissue engineering.
Ning Liu,Yu-Yang Song,Yi Qin,Xue Gong,Yan-Lin Liu 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.6
Eight Saccharomyces cerevisiae strains were used for preparation of Cabernet Sauvignon musts from Yuma vineyard in China, where the strains were isolated, to study the importance of yeast strain for optimization of Cabernet Sauvignon wine color and anthocyanin composition. Differences in chromatic characteristics between indigenous yeast strains and a commercial F15 control were not found. Twenty-one anthocyanins were detected and quantified using HPLC-MS. Concentrations of anthocyanins were significantly (p<0.05) influenced by the yeast strain used. Use of the commercial F15 yeast resulted in the highest anthocyanin concentration. Among 9 pyranoanthocyanins detected, amounts of must were influenced by the yeast strain used. The color of wine produced using the N11424 yeast was more stable because of a higher pyranoanthocyanin concentration. Use of Principal Component Analysis indicated that indigenous yeast treatments were separated from the F15 control yeast treatment based on anthocyanin components.
Han Ying-Hao,Chen Dong-Qin,Jin Mei-Hua,Jin Ying-Hua,Li Jing,Shen Gui-Nan,Li Wei-Long,Gong Yi-Xi,Mao Ying-Ying,Xie Dan-Ping,Lee Dong-Seok,Yu Li-Yun,Kim Sun-Uk,김지수,권태호,Cui Yu-Dong,Sun Hu-Nan 한국응용생명화학회 2020 Applied Biological Chemistry (Appl Biol Chem) Vol.63 No.3
Severe inflammatory reactions caused by macrophage activation can trigger a systemic immune response. In the present study, we observed the anti-inflammatory properties of hispidin on LPS induced RAW264.7 macrophage cells. Our results showed that hispidin treatment significantly reduced the production of cellular NO, IL-6 and reactive oxygen species (ROS) while has not inhibitory effect on TNF-α productions. Excitingly, hispidin treatment retains the phagocytosis ability of macrophages which enabling them to perform the function of removing foreign invaders. Signaling studies showed, hispidin treatment dramatic suppressed the LPS induced mitogen activated protein kinases (MAPK) and JAK/STAT activations. In conclusion, our findings suggest that hispidin may be a new therapeutic target for clinical treatment of macrophages-mediated inflammatory responses.