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A new proof of generalized Tychonoff theorem in $(L,M)$-fuzzy topological spaces
Hu Zhao,Hong-ying Zhang 원광대학교 기초자연과학연구소 2018 ANNALS OF FUZZY MATHEMATICS AND INFORMATICS Vol.16 No.2
In this paper, using the structures of $(L,M)$-fuzzy topological product spaces which were introduced by Hu Zhao, Sheng-Gang Li and Gui-Xiu Chen, we directly give another version on the proof of generalized Tychonoff theorem in $(L,M)$-fuzzy topological spaces which was introduced by Hong-Yan Li and Fu-Gui Shi
Ni Germanide Utilizing Ytterbium Interlayer for High-Performance Ge MOSFETs
Zhang, Ying-Ying,Oh, Jungwoo,Li, Shi-Guang,Jung, Soon-Yen,Park, Kee-Young,Shin, Hong-Sik,Lee, Ga-Won,Wang, Jin-Suk,Majhi, Prashant,Tseng, Hsing-Huang,Jammy, Raj,Bae, Tae-Sung,Lee, Hi-Deok The Electrochemical Society 2009 Electrochemical and solid-state letters Vol.12 No.1
Ying-Ying Zhang,Jungwoo Oh,In-Shik Han,Zhun Zhong,Shi-Guang Li,Soon-Yen Jung,Kee-Young Park,Hong-Sik Shin,Won-Ho Choi,Hyuk-Min Kwon,Wei-Yip Loh,Majhi, P.,Jammy, R.,Hi-Deok Lee IEEE 2009 IEEE transactions on electron devices Vol.56 No.2
<P>Highly thermally stable Ni germanide technology for high performance germanium metal-oxide-semiconductor field-effect transistors (Ge MOSFETs) is proposed, utilizing Pd incorporation into Ni germanide. The proposed Ni germanide shows not only the improvement of thermal stability but also the reduction of hole barrier height, which can improve the device on-current by reducing the Ni germanide to p+ source/drain contact resistance. The proposed Ni germanide showed a stable sheet resistance of up to 500 degrees C 30-min postgermanidation annealing due to the suppression of agglomeration and oxidation of Ni germanide and the diffusion of Ni and Ge atoms by the incorporated Pd. Therefore, the proposed Ni0.95Pd0.05, alloy could be promising for the high mobility Ge MOSFET applications.</P>
Hong-Lin Xu,Guang-Hong Chen,Yu-Ting Wu,Ling-Peng Xie,Zhang-Bin Tan,Bin Liu,Hui-Jie Fan,Hong-Mei Chen,Gui-Qiong Huang,Min Liu,Ying-Chun Zhou 고려인삼학회 2022 Journal of Ginseng Research Vol.46 No.1
Background: Panax ginseng Meyer (P. ginseng), a herb distributed in Korea, China and Japan, exerts benefits on diverse inflammatory conditions. However, the underlying mechanism and active ingredients remains largely unclear. Herein, we aimed to explore the active ingredients of P. ginseng against inflammation and elucidate underlying mechanisms. Methods: Inflammation model was constructed by lipopolysaccharide (LPS) in C57BL/6 mice and RAW264.7 macrophages. Molecular docking, molecular dynamics, surface plasmon resonance imaging (SPRi) and immunofluorescence were utilized to predict active component. Results: P. ginseng significantly inhibited LPS-induced lung injury and the expression of proinflammatory factors, including TNF-a, IL-6 and IL-1b. Additionally, P. ginseng blocked fluorescence-labeled LPS (LPS488) binding to the membranes of RAW264.7 macrophages, the phosphorylation of nuclear factor-kB (NF-kB) and mitogen-activated protein kinases (MAPKs). Furthermore, molecular docking demonstrated that ginsenoside Ro (GRo) docked into the LPS binding site of toll like receptor 4 (TLR4)/myeloid differentiation factor 2 (MD2) complex. Molecular dynamic simulations showed that the MD2-GRo binding conformation was stable. SPRi demonstrated an excellent interaction between TLR4/MD2 complex and GRo (KD value of 1.16 × 10<SUP>-9</SUP> M). GRo significantly inhibited LPS488 binding to cell membranes. Further studies showed that GRo markedly suppressed LPS-triggered lung injury, the transcription and secretion levels of TNF-α, IL-6 and IL-1β. Moreover, the phosphorylation of NF-kB and MAPKs as well as the p65 subunit nuclear translocation were inhibited by GRo dose-dependently. Conclusion: Our results suggest that GRo exerts anti-inflammation actions by direct inhibition of TLR4 signaling pathway.
Microstructural Innovation of Ni Germanide on Ge-on-Si Substrate by Using Palladium Incorporation
Zhang, Ying-Ying,Choi, Chel-Jong,Oh, Jungwoo,Han, In-Shik,Li, Shi-Guang,Park, Kee-Young,Shin, Hong-Sik,Lee, Ga-Won,Wang, Jin-Suk,Majhi, Prashant,Jammy, Raj,Lee, Hi-Deok The Electrochemical Society 2009 Electrochemical and solid-state letters Vol.12 No.11
Hong Zhi Zhang,Meng Qing Wang,Ying Qiang Xie,Mei Xiang,Ping Li,Yu Yan Li,Li Sheng Zhang 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.3
Aphidius gifuensis is an important biological control agent of aphid. It stores sugar as energy reserves before the onset of diapause, a form of dormancy that occurs when environmental conditions become unfavorable for development. In this study, cDNA of three relevant enzymes, trehalose-6-phosphate synthase (TPS), glycogen synthase (GYS) and glycogen phosphorylase (GP) were cloned, and their expression profiles in the preparation and maintenance of diapause, and post-diapause development were analyzed. The results showed that AgTPS, AgGYS and AgGP encoded proteins consisting of 807, 690 and 844 amino acids respectively. The expression profiles of three genes were significantly affected by diapause-inducing condition. The increase of transcription of AgGYS and AgGP were followed by the up-regulate of AgTPS expression in the preparation of diapause, expression of all three genes were inhibited while diapause is maintained, and expression of AgGYS was upregulated when diapause was terminated. These results suggested that trehalose is accumulated before initiation of diapause and glycogen may play an important role in post-diapause development.
Zhang, Ying,Li, Xiang,Liu, Li-Ping,Hong, Lan,Liu, Xia,Zhang, Bo,Wu, Cheng-Zhe,Cui, Xun The Korean Society of Pharmacology 2017 The Korean Journal of Physiology & Pharmacology Vol.21 No.3
Prostaglandin $D_2$ ($PGD_2$) may act against myocardial ischemia-reperfusion (I/R) injury and play an anti-inflammatory role in the heart. Although the effect of $PGD_2$ in regulation of ANP secretion of the atrium was reported, the mechanisms involved are not clearly identified. The aim of the present study was to investigate whether $PGD_2$ can regulate ANP secretion in the isolated perfused beating rat atrium, and its underlying mechanisms. $PGD_2$ (0.1 to $10{\mu}M$) significantly increased atrial ANP secretion concomitantly with positive inotropy in a dose-dependent manner. Effects of $PGD_2$ on atrial ANP secretion and mechanical dynamics were abolished by AH-6809 ($1.0{\mu}M$) and AL-8810 ($1.0{\mu}M$), $PGD_2$ and prostaglandin $F2{\alpha}$ ($PGF2{\alpha}$) receptor antagonists, respectively. Moreover, $PGD_2$ clearly upregulated atrial peroxisome proliferator-activated receptor gamma ($PPAR{\gamma}$) and the $PGD_2$ metabolite 15-deoxy-${\Delta}12$, 14-$PGJ_2$ (15d-$PGJ_2$, $0.1{\mu}M$) dramatically increased atrial ANP secretion. Increased ANP secretions induced by $PGD_2$ and 15d-$PGJ_2$ were completely blocked by the $PPAR{\gamma}$ antagonist GW9662 ($0.1{\mu}M$). PD98059 ($10.0{\mu}M$) and LY294002 ($1.0{\mu}M$), antagonists of mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase (ERK) and phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt) signaling, respectively, significantly attenuated the increase of atrial ANP secretion by $PGD_2$. These results indicated that $PGD_2$ stimulated atrial ANP secretion and promoted positive inotropy by activating $PPAR{\gamma}$ in beating rat atria. MAPK/ERK and PI3K/Akt signaling pathways were each partially involved in regulating $PGD_2$-induced atrial ANP secretion.
Chemical Synthesis and Cloning of Panax ginseng Peptide Gene
Zhang, Hong-Ying,Chen, Dong-Song,Zhang, Jin The Korean Society of Ginseng 1990 Journal of Ginseng Research Vol.14 No.2
The sequence of ginseng peptide gene was designed and synthesized by the solid phase phosphoramidiate method. Synthetic segments were isolated, pllrified and joined to the plasmid pUC19. E.icherichiu coli JM101 cells were transformed with above hybrid plasmids. AmpiciIBin resistant transformants were screened and identified by in situ colony hybridization and Southern blot techniques. Finally the gene sequencing was done by the Sanger dideoxy method using primer extension.