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- 저자 : Yilin Cai (검색결과 5 건)
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Molecular and Functional Characterization of ZmNF-YC14 in Transgenic Arabidopsis
Yilin Cai,Xiupeng Mei;Ping Li;Lu Wang;Chaoxian Liu;Lian Zhou 한국식물학회 2018 Journal of Plant Biology Vol.61 No.6
The optimum transition stage from vegetative toreproductive development is important for flowering plantsto obtain the desired plant architecture to maximize yield. Inthis study, we overexpressed the maize NUCLEAR FACTORY, SUBUNIT C 14 (ZmNF-YC14) gene in Arabidopsis toinvestigate its potential functions in the regulation of planttransition. Overexpression of ZmNF-YC14 in Arabidopsisinhibited plant flowering and retarded the duration of thebranch-producing inflorescence phase 1 (I1). These plantsexhibited increased length of I1 and higher ratio of inflorescencephase 1 to inflorescence phase (I) (I1:I) under long-dayconditions. As a consequence, these transgenic plants exhibiteddramatic changes in their overall inflorescence morphology. In addition, the phenotypes of inflorescence morphologycaused by ZmNF-YC14 overexpression were enhanced byexogenous gibberellin (GA) treatment, which obtained asignificant increase in I1:I, inflorescence phase 1 to inflorescencephase 2 (I2) (I1:I2), and remarkable decrease in I2 and I2:I intransgenic plants compared to those under normal conditions. Taken together, the results of this study suggest that ZmNFYC14negatively regulates flowering and controls flowerformation under long-day conditions in Arabidopsis and maybe involved in a GA regulation pathway.
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Yilin Jie,Zhaoxia Cai,Shanshan Li,Zhuqing Xie,Meihu Ma,Xi Huang 한국고분자학회 2017 Macromolecular Research Vol.25 No.9
In a tenfold-concentrated simulated body fluid, a strategy for rapid deposition of a biomimetic calcium phosphate layer on the scaffolds of electrospun collagen nanofiber membranes was developed. The aim of this study was to explore the effects of mineralization conditions and phosvitin (PV) on hydroxyapatite nucleation and growth. The mineralization model, the pH of the environment, and the deposition time were optimized. Scanning electron microscopy (SEM) images demonstrated that homogeneous and well-crystallized inorganic mineral layers were generated in the dynamic mineralization model system after incubating 3 h at pH 5.7. PV, which possesses the highest level of phosphorylation among egg proteins, was used as a model protein to investigate the contribution of PV in the mineralization process. The morphological structure and composition of the collagen/calcium phosphate composite nanofibers were also characterized by energy dispersive spectroscopy, scanning photoelectron spectrometer, X-ray diffraction (XRD), and Fourier transform infrared spectroscopy. XRD results showed the transformation process of mineralization materials from dicalcium phosphate dihydrate (DCPD) to HA through the changes of characteristic peaks at approximately 11° of DCPD and 31.8° of HA. 1.0 mg/mL. Phosvitin significantly promoted the phase transformation from DCPD to hydroxyapatite. High performance liquid chromatography results indicated that PV induced the mineralization rather than being the part of the hydroxyapatite. The minerals formed on electrospun collagen nanofiber membranes were identified to be from hydroxyapatite. These findings extended the potential application field of PV to biomimetic material.
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A multi-user Selective Undo/Redo Approach for Collaborative CAD Systems
Yuan Cheng,Fazhi He,Xiantao Cai,Yilin Chen (사)한국CDE학회 2013 한국CAD/CAM학회 국제학술발표 논문집 Vol.2010 No.8
The engineering design process is a creative process and the designers must apply Undo/Redo to modify the CAD model repeatedly to explore new solutions. Undo/Redo has become one of most important facilities in interactive graphics/CAD systems. Undo/Redo in collaborative CAD system is also very helpful for collaborative awareness among a group of cooperative designers to eliminate misunderstanding and recover from design error. However, Undo/Redo in collaborative CAD is much more difficult than that in single-user CAD. For an example, a single erroneous operation can be propagated to several remote sites since the concurrency of CAD operations. This paper presents a multi-user Undo/Redo approach to maintain operation intention and collaborative awareness in full distributed collaborative CAD systems. The paper proposes the composition of 3D designing artifacts and adopts a tree-like structure for representing the combination of features/sub-configurations and the dependency relationship among modeling operations. Based on the feature combination hierarchy, a multi-user selective Undo/Redo approach for full replicated collaborative CAD systems is studded. The proposed method uses site identification and state-vector to track the undo operations. Intention preservation and consistency maintenance are both promised with our method.
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A multi-user selective undo/redo approach for collaborative CAD systems
Cheng, Yuan,He, Fazhi,Xu, Bin,Han, Soonhung,Cai, Xiantao,Chen, Yilin Society for Computational Design and Engineering 2014 Journal of computational design and engineering Vol.1 No.2
The engineering design process is a creative process, and the designers must repeatedly apply Undo/Redo operations to modify CAD models to explore new solutions. Undo/Redo has become one of most important functions in interactive graphics and CAD systems. Undo/Redo in a collaborative CAD system is also very helpful for collaborative awareness among a group of cooperative designers to eliminate misunderstanding and to recover from design error. However, Undo/Redo in a collaborative CAD system is much more complicated. This is because a single erroneous operation is propagated to other remote sites, and operations are interleaved at different sites. This paper presents a multi-user selective Undo/Redo approach in full distributed collaborative CAD systems. We use site ID and State Vectors to locate the Undo/Redo target at each site. By analyzing the composition of the complex CAD model, a tree-like structure called Feature Combination Hierarchy is presented to describe the decomposition of a CAD model. Based on this structure, the dependency relationship among features is clarified. B-Rep re-evaluation is simplified with the assistance of the Feature Combination Hierarchy. It can be proven that the proposed Undo/Redo approach satisfies the intention preservation and consistency maintenance correctness criteria for collaborative systems.
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