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Hu, X.F.,Guo, Yuming,Huang, B.Y.,Zhang, L.B.,Bun, S.,Liu, D.,Long, F.Y.,Li, J.H.,Yang, X.,Jiao, P. Asian Australasian Association of Animal Productio 2010 Animal Bioscience Vol.23 No.2
The effects of corticosterone (CORT) administration on the weight of small intestine and the expression of nutrient transporter mRNA in the small intestine of broiler chickens (Gallus gallus domesticus) were investigated. One hundred and eight sevenday-old birds were randomly divided into two equal groups comprising a control group (CTRL) and an experimental group (CORT). CTRL birds were fed a basal diet and the CORT birds were fed a basal diet containing 30 mg corticosterone/kg from d 8 to 21. At 21 d of age, average daily feed intake (ADFI), serum corticosterone level, small intestinal absolute wet weight and relative weight, and relative abundance of SGLT1, CaBP-D28k, PepT1 mRNA in the duodenum and L-FABP mRNA in the jejunum were determined. The results showed that serum corticosterone level, liver weight and small intestinal relative weight (small intestinal wet weight/body weight) of CORT chickens were about 30.15%, 26.72% and 42.20% higher, respectively, than in the CTRL group (p<0.05). CORT birds had relative mRNA abundance of CaBP-D28k and PepT1 in the duodenum, and L-FABP in the jejunum which was 1.77, 1.37 and 1.94 fold higher, respectively, than in the CTRL group (p<0.05); the relative abundance of SGLT1 was 1.67 fold higher than in the CTRL group (p = 0.097). ADFI, small intestinal wet weight and length in CORT-treated broiler chickens was about 29.11%, 31.12% and 12.35% lower, respectively, than in the CTRL group (p<0.05). In conclusion, corticosterone administration lowered the wet weight but increased the relative weight of the small intestine and the expression of intestinal nutrient transporter mRNA of broiler chickens.
An edge-based smoothed finite element method for adaptive analysis
L. Chen,J. Zhang,K.Y. Zeng,P.G. Jiao 국제구조공학회 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.39 No.6
An efficient edge-based smoothed finite element method (ES-FEM) has been recently developed for solving solid mechanics problems. The ES-FEM uses triangular elements that can be generated easily for complicated domains. In this paper, the complexity study of the ES-FEM based on triangular elements is conducted in detail, which confirms the ES-FEM produces higher computational efficiency compared to the FEM. Therefore, the ES-FEM offers an excellent platform for adaptive analysis, and this paper presents an efficient adaptive procedure based on the ES-FEM. A smoothing domain based energy (SDE) error estimate is first devised making use of the features of the ES-FEM. The present error estimate differs from the conventional approaches and evaluates error based on smoothing domains used in the ES-FEM. A local refinement technique based on the Delaunay algorithm is then implemented to achieve high efficiency in the mesh refinement. In this refinement technique, each node is assigned a scaling factor to control the local nodal density, and refinement of the neighborhood of a node is accomplished simply by adjusting its scaling factor. Intensive numerical studies, including an actual engineering problem of an automobile part, show that the proposed adaptive procedure is effective and efficient in producing solutions of desired accuracy.
An edge-based smoothed finite element method for adaptive analysis
Chen, L.,Zhang, J.,Zeng, K.Y.,Jiao, P.G. Techno-Press 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.39 No.6
An efficient edge-based smoothed finite element method (ES-FEM) has been recently developed for solving solid mechanics problems. The ES-FEM uses triangular elements that can be generated easily for complicated domains. In this paper, the complexity study of the ES-FEM based on triangular elements is conducted in detail, which confirms the ES-FEM produces higher computational efficiency compared to the FEM. Therefore, the ES-FEM offers an excellent platform for adaptive analysis, and this paper presents an efficient adaptive procedure based on the ES-FEM. A smoothing domain based energy (SDE) error estimate is first devised making use of the features of the ES-FEM. The present error estimate differs from the conventional approaches and evaluates error based on smoothing domains used in the ES-FEM. A local refinement technique based on the Delaunay algorithm is then implemented to achieve high efficiency in the mesh refinement. In this refinement technique, each node is assigned a scaling factor to control the local nodal density, and refinement of the neighborhood of a node is accomplished simply by adjusting its scaling factor. Intensive numerical studies, including an actual engineering problem of an automobile part, show that the proposed adaptive procedure is effective and efficient in producing solutions of desired accuracy.
A Study of London Penetration Depth for the Non-centrosymmetric Superconductor LaNiC2
J. Chen,L. Jiao,J. L. Zhang,Y. Chen,L. Yang,H. Q. Yuan 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
We study the superconducting properties of the polycrystalline LaNiC2 by means of measuringthe electrical resistivity ρ(T), magnetization M(T) and London penetration depth Δλ(T). Thesuperconducting order parameter is analyzed in terms of the low temperature penetration depthΔλ(T) and the corresponding superfluid density ρs(T), and the results show strong evidence oftwo-gap Bardeen-Cooper-Schrieffer (BCS) superconductivity for LaNiC2.
P. Z. Si,X. L. Wang,X. F. Xiao,H. J. Chen,X. Y. Liu,L. Jiang,J. J. Liu,Z. W. Jiao,H. L. Ge 한국자기학회 2015 Journal of Magnetics Vol.20 No.3
Cr₂O₃ nanoparticles were prepared via one-step reactive laser ablation of Cr in oxygen. The metastable CrO₂ phase was obtained through the subsequent oxidation of Cr₂O₃ nanoparticles under O₂ with gas pressures of up to 40 MPa. The as-prepared Cr₂O₃ nanoparticles are spherical or rectangular in shape with sizes ranging from 20 nm to 50 nm. High oxygen pressure annealing is effective in producing meta-stable CrO₂ from as-dried Cr₂O₃ nanoparticles, and the Cr₂O₃ nanoparticles exhibit a weak ferromagnetic behavior with an exchange bias of up to 11 mT that can be ascribed to the interfacial exchange coupling between uncompensated surface spins and the antiferromagnetic core. The Cr₂O₃/CrO₂ nanoparticles exhibit an enhanced saturation magnetization and a reduced exchange bias with an increasing faction of CrO₂ due to the elimination of uncompensated surface spins over the Cr₂O₃ nanoparticles when exposed to a high pressure of O₂ and/or possible phase segregation that results in a smaller grain size for both Cr₂O₃ and CrO₂.
Jingjing Jiao,Álvaro González,Heather L Stevenson,Mihai Gagea,Hikaru Sugimoto,Raghu Kalluri,Laura Beretta 생화학분자생물학회 2018 Experimental and molecular medicine Vol.50 No.-
There is a pressing need for the development of novel approaches to treat and prevent hepatocellular carcinoma (HCC). The S100 calcium-binding protein S100A4 is associated with poor prognosis and metastasis in several human cancers. In addition, a role for S100A4 in modulating cancer-initiating cells stemness properties was recently proposed in head and neck and gastric cancers. Whether S100A4+ stromal cells contribute to tumor onset remains, however, an unanswered question. To address that question, we generated a new mouse model allowing for the depletion of S100A4+ cells in a mouse model of HCC with stemness properties, by crossing mice with hepatic deletion of phosphatase and tensin homolog (PTEN) with mice expressing viral thymidine kinase under the control of S100A4 promoter. Depletion of S100A4+ cells by ganciclovir injection did not prevent the development of HCC but reduced the stemness phenotype of the tumor as measured by the expression of progenitor cell, biliary cell and hepatocyte markers. The results were further confirmed by histology analysis showing reduction of cholangiolar tumor components and degree of oval cell hyperplasia in the adjacent liver. Depletion of S100A4+ cells had also some beneficial effect on the underlying liver disease with a reduction of NAS score, largely due to the reduction of inflammation. In conclusion, this study demonstrated that S100A4+ cells do not contribute to HCC onset but maintain the stemness phenotype of the tumor. This study also suggests for the first time a crosstalk between inflammation and stemness.
Depth-preserving DIBR based on disparity map over T-DMB
Jung, C,Jiao, L,Oh, Y,Kim, J K IET 2010 Electronics letters Vol.46 No.9
<P>An efficient depth-image-based-rendering (DIBR) method is presented based on a disparity map over terrestrial-digital multimedia broadcasting (T-DMB). Experimental results show that the proposed method can create depth-preserving auto-stereoscopic images in mobile broadcasting environments with limited bandwidth.</P>
Robust Magnetic Order of Ce 4f-electrons Coexisting with Superconductivity in CeFeAsO1−xFx
T. Shang,L. Jiao,J. Dai,H. Q. Yuan,F. F. Balakirev,W. Z. Hu,N. L. Wang 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
The electrical resistance of CeFeAsO1−xFx (x = 0.06 and 0.08) has been measured in magneticfields up to 40 T. At zero field, the sample with x = 0.06 shows a structural phase transition aroundTS 100 K, followed by a spin-density-wave (SDW) transition around TSDW 30 K. For x =0.08, the structural phase transition is suppressed down to TS 60 K without a clear anomalyassociated with the Fe-SDW transition, and superconductivity shows up at TC 25 K. At lowertemperatures, both samples show a clear resistive peak around TN 4 K, which is associated withthe antiferromagnetic (AFM) transition of Ce 4f-electrons. Strikingly, zero resistance is recoveredupon a further lowering of the temperature to below TN for x = 0.08. Moreover, we found thatthe AFM transition of Ce 4f-electrons at 4 K hardly change when a magnetic field of up to 40 Twas applied. This was true even in the case of x = 0.08, for which the superconductivity had beenpartially suppressed at such a large field.