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10篇 您的检索式:作者名="Yang Hongya"
    题名 作者 年代 出处 被引量
1Duplication and divergent evolution of the CHS and CHS-like genes in the chalcone synthase(CHS)superfamily显示文摘The enzymes of the CHS-superfamily are responsible for biosynthesis of a wide range of natural products in plants. They are important for flower pigmentation, protection against UV light and defense against phytopathogens. Many plants were found to contain multiple copies of CHS genes. This review summarizes the recent progress in the studies of the CHS-superfamily, focusing on the duplication and divergent evolution of the CHS and CHS-like genes. Comparative analyses of gene structure, ex- pression patterns and catalytic properties revealed extensive differentiation in both regulation and func- tion among duplicate CHS genes. It is also proposed that the CHS-like enzymes in the CHS-superfamily evolved from CHS at different times in various or- ganisms. The CHS-superfamily thus offers a valuable model to study the rates and patterns of sequence divergence between duplicate genes.YANG Ji GU Hongya 2006Chinese Science Bulletin2006,51,5:7
2Experimental demonstration of ultra-large-scale terahertz all-dielectric metamaterials显示文摘All-dielectric metamaterials have emerged as a promising platform for low-loss and highly efficient terahertz devices. However, existing fabrication methods have difficulty in achieving a good balance between precision and cost. Here, inspired by the nano-template-assisted self-assembly method, we develop a micro-templateassisted self-assembly(MTAS) method to prepare large-scale, high-precision, and flexible ceramic microsphere all-dielectric metamaterials with an area exceeding 900 cm × 900 cm. Free from organic solvents, vacuum, and complex equipment, the MTAS method ensures low-cost and environmentally friendly fabrication. The ceramic microsphere resonators can be readily assembled into nearly arbitrary arrangements and complex aggregates, such as dimers, trimers, quadrumers, and chains. Finally, using the heat-shrinkable substrate and dipole coupling effect, a broadband reflector with a bandwidth of 0.15 THz and a reflection of up to 95% is demonstrated.This work provides a versatile and powerful platform for terahertz all-dielectric metamaterials, with potential to be applied in a wide variety of high-efficiency terahertz devices.KE BI DAQUAN YANG JIA CHEN QINGMIN WANG HONGYA WU CHUWEN LAN YUPING YANG 2019Photonics Research2019,7,4:5
3Morphology observation for surface orange peel and fracture in tension sample of aluminum-alloy sheet and characterization of nano hardness显示文摘The tension property of aluminum-alloy sheet with different microstructures is measured,and the surface and tension fracture morphology of tension sample with and without orange peel are observed by using scanning electron microscope(SEM).Surface roughness and nano hardness of tension sample are measured.The results show that the average elongation of the samples with orange peel is lower than that without orange peel;especially the r value of perpendicular to the rolling direction is much lower than that without orange peel.The tension surface of the orange peel samples is very rough;various parameters of surface roughness are higher.Under the observation of SEM,a wider sliding band with a micro crack on the surface of orange peel sample can be found.The various parameters of surface roughness without orange peel sample are near to zero,the sliding band is narrow and without micro cracks.The dimple width in tensile fracture of orange peel sample is larger than that without orange peel sample,but shear lip is narrower.The nano hardness testing results show that samples with orange peel behave high elastic modulus,high hardness,and high maximum load,but low plastic deformation depth.These mentioned features can completely describe surface and fracture morphology of tension samples with orange peel.Ma Mingtu Mei Huasheng Lu Hongzhou Yang Hongya Wu Emei Zhou Mingbo 2012Engineering Sciences2012,10,6:4
4Discovery of a high-altitude ecotype and ancient lineage of Arabidopsis thaliana from Tibet显示文摘Arabidopsis thaliana(A.thaliana)has long been a model species for dicotyledon study,and was the first flowering plant to get its genome completed sequenced[1].Although most wild A.thaliana are collected in Europe,several studies have found a rapid A.thaliana west-east expansion from Central Asia[2].The Qinghai-Tibet Plateau(QTP)is close to Central Asia and known for its high alti-Liyan Zeng Zhuoya Gu Min Xu Ning Zhao Weidong Zhu Takahiro Yonezawa Tianmeng Liu Lha Qiong Tashi Tersing Lingli Xu Yang Zhang Rongyan Xu Ningyu Sun Yanyan Huang Jiankun Lei Liang Zhang Feng Xie Fang Zhang Hongya Gu Yupeng Geng Masami Hasegawa Ziheng Yang M. James C. Crabbe Fan Chen Yang Zhong 2017Science Bulletin2017,62,24:3
5High-Q silica microdisk optical resonators with large wedge angles on a silicon chip显示文摘We experimentally demonstrate high optical quality factor silica microdisk resonators on a silicon chip with large wedge angles by reactive ion etching. For 2-μm-thick microresonators, we have achieved wedge angles of 59°, 63°,70°, and 79° with optical quality factors of 2.4 × 10~7, 8.1 × 10~6, 5.9 × 10~6, and 7.4 × 10~6, respectively, from ~80 μm diameter microresonators in the 1550 nm wavelength band. Also, for 1-μm-thick microresonators, we have obtained an optical quality factor of 7.3 × 10~6 with a wedge angle of 74°.Guanyu Li Pei Liu Xiaoshun Jiang Chao Yang Jiyang Ma Hongya Wu Min Xiao 2015Photonics Research2015,3,5:2
6Expression and inhibitory activity analysis of a 25-kD Bowman-Birk protease inhibitor in rice显示文摘Rice Bowman-Birk inhibitors (RBBI), with one (8 kD) or two homologous domains (16 kD), were found to be effective trypsin inhibitors in vitro. In this study, we demonstrate that the 25-kD protein corresponding to the three-domain RBBI indeed ex- ists in rice in planta, and that the RBBIs are regulated by development and wounding. We also found by inhibitory activity assay that the 3:13 disulfide bond, but not the 4:5 disulfide bond, suppresses the tryp- sin-inhibitory activity, and the D3 domain of RBBI3-1 has no inhibitory activity against trypsin, chymotryp- sin, paparin or subtilisin. Mutation analyses showed that conversion from Lys to Leu or Tyr in the N-terminal P1 site in D1 domain did not create chy- motrypsin-inhibitory activity, suggesting that the structure of the reactive loop in D1 domain hinder the new inhibitory specificity at P1 site, and the chy- motrypsin-inhibitory activity might need the participa- tion of other structures, e.g. 3:13 disulfide bond.CHEN Jun MAO Shengji XlE Yang CAO Zhongren ZHANG Yan LIU jing CHEN Zhangliang QU Lijia GU Hongya 2006Chinese Science Bulletin2006,51,1:2
7The MYB Transcription Factor Superfamily of Arabidopsis: Expression Analysis and Phylogenetic Comparison with the Rice MYB Family显示文摘Chen Yanhui Yang Xiaoyuan He Kun Liu Meihua Li Jigang Gao Zhaofeng Lin Zhiqiang Zhang Yunfei Wang Xiaoxiao Qiu Xiaoming Shen Yunping Zhang Li Deng Xiaohui Luo Jingchu Deng Xing-Wang Chen Zhangliang Gu Hongya Qu Li-Jia 2006Plant Molecular Biology2006,,1:1
8Duplication and adap- tive evolution of the chalcone synthase genes of Dendranthema (Asteraceae) 显示文摘Yang Ji Huang Jinxia Gu Hongya 2002Mol Biol Evol2002,19,:1
9Direct field-to-pattern monolithic design of holographic metasurface via residual encoderdecoder convolutional neural network显示文摘Complex-amplitude holographic metasurfaces(CAHMs)with the flexibility in modulating phase and amplitude profiles have been used to manipulate the propagation of wavefront with an unprecedented level,leading to higher image-reconstruction quality compared with their natural counterparts.However,prevailing design methods of CAHMs are based on Huygens-Fresnel theory,meta-atom optimization,numerical simulation and experimental verification,which results in a consumption of computing resources.Here,we applied residual encoder-decoder convolutional neural network to directly map the electric field distributions and input images for monolithic metasurface design.A pretrained network is firstly trained by the electric field distributions calculated by diffraction theory,which is subsequently migrated as transfer learning framework to map the simulated electric field distributions and input images.The training results show that the normalized mean pixel error is about 3%on dataset.As verification,the metasurface prototypes are fabricated,simulated and measured.The reconstructed electric field of reverse-engineered metasurface exhibits high similarity to the target electric field,which demonstrates the effectiveness of our design.Encouragingly,this work provides a monolithic field-to-pattern design method for CAHMs,which paves a new route for the direct reconstruction of metasurfaces.Ruichao Zhu Jiafu Wang Tianshuo Qiu Dingkang Yang Bo Feng Zuntian Chu Tonghao Liu Yajuan Han Hongya Chen Shaobo Qu 2023Opto-Electronic Advances2023,6,8:0
10New Insights of Neuromedin B and Its Receptor NMBR Involvement in Immunity显示文摘Neuromedin B(NMB)is a member of mammalian bombesin-like peptide family and almost all its potent biological actions take place exclusively through its receptor NMBR,which has been identified as a G-protein couple receptor with seven trans-membrane regions.NMB and NMBR represent an interesting signaling axis over which NMB/NMBR perform multiple biological activities,in particularly,they have been highlighted in the regulation of the immunology system.This review aims to provide a brief overview of the recent advancements in our understanding regarding the potential immunological functions of NMB and NMBR in cell proliferation,tumorigenesis,angiogenesis,neurogenic inflammation,anti-influenza A virus(IAV)infections,and briefly discusses the potential importance of these observations.All these implicated that targeting NMBR or developing analogues of NMB may represent a useful strategy for development of new anti-IAV agents.Chunyu LI Yijie MA Shimao TIAN Qianhui WAN Mengyao TANG Hongya NING Shujie MA Guihong YANG 2021Asian Agricultural Research2021,13,6:0
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