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RISS 인기검색어
- 검색키워드
- 저자 : Chuanmin Zhang (검색결과 4 건)
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Chuanmin Zhang,Ran Huo,Xiaodong Wang,Junying Zhang,Jue Cheng,Ling Shi 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.89 No.-
To improve the corrosion resistance and glossiness offlaky aluminum pigments in waterborne coatings, aflaky aluminum pigment was encapsulated with poly(methylhydrosiloxane) (PMHS) as an anti-corrosionfilm by in-situ polymerization, and its chemical composition was characterized by Fourier-transforminfrared and X-ray photoelectron spectroscopy, and its morphology and microstructure was identified byscanning and transmission electron microcopy. Furthermore, its anticorrosive performance wasconfirmed by Zeta potential measurement and electrochemical impedance spectroscopy. Theencapsulatedflaky aluminum pigment not only exhibits excellent corrosion resistance but also showsan improved thermal stability due to the fabrication of a PMHS-based organosiliconfilm on the surface ofaluminumflakes. Most of all, the original glossiness and brightness could be maintained for thewaterborne coatingfilm after the encapsulatedflaky aluminum pigment was incorporated, indicating agreat application potential in waterborne coatings, water-based paints, printing inks, spray-freematerials and any more. This work provides a new strategy for design and fabrication of high corrosionresistantand high glossy aluminum pigments.
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Zhang, Xiaojun,Zhao, Wei,Li, Chuanmin,Yu, Haibin,Qiao, YanYan,Li, Aonan,Lu, Chunyan,Zhao, Zhihui,Sun, Boxing Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.11
To verified the target genes of miR-34c, bioinformatics software was used to predict the targets of miR-34c. Three possible target genes of miR-34c related to spermatogenesis and male reproductive development: zinc finger protein 148 (ZNF148), kruppel-like factor 4 (KLF4), and platelet-derived growth factor receptor alpha (PDGFRA) were predicted. Then, the expression of miR-34c and its target genes were detected in swine testicular tissue at different developmental stages by quantitative polymerase chain reaction. The results suggested that the expression of PDGFRA has the highest negative correlation with miR-34c. Then immunohistochemical staining was done to observe the morphology of swine testicular tissue at 2-days and 3, 4, 5-months of age, which indicated that PDGFRA was mainly expressed in the support cells near the basement membrane during the early development stages of testicular tissue, but that the expression of PDGFRA was gradually reduced in later stages. Therefore, western blot analyzed that the highest expression of PDGFRA was generated in 2-days old testicular tissues and the expression levels reduced at 3 and 4-months old, which correlated with the results of immunohistochemical staining. In conclusion, PDGFRA is a target gene of miR-34c.
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Xiaojun Zhang,Wei Zhao,Chuanmin Li,Haibin Yu,YanYan Qiao,Aonan Li,Chunyan Lu,Zhihui Zhao,Boxing Sun 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.11
To verified the target genes of miR-34c, bioinformatics software was used to predict the targets of miR-34c. Three possible target genes of miR-34c related to spermatogenesis and male reproductive development: zinc finger protein 148 (ZNF148), kruppel-like factor 4 (KLF4), and platelet-derived growth factor receptor alpha (PDGFRA) were predicted. Then, the expression of miR-34c and its target genes were detected in swine testicular tissue at different developmental stages by quantitative polymerase chain reaction. The results suggested that the expression of PDGFRA has the highest negative correlation with miR-34c. Then immunohistochemical staining was done to observe the morphology of swine testicular tissue at 2-days and 3, 4, 5-months of age, which indicated that PDGFRA was mainly expressed in the support cells near the basement membrane during the early development stages of testicular tissue, but that the expression of PDGFRA was gradually reduced in later stages. Therefore, western blot analyzed that the highest expression of PDGFRA was generated in 2-days old testicular tissues and the expression levels reduced at 3 and 4-months old, which correlated with the results of immunohistochemical staining. In conclusion, PDGFRA is a target gene of miR-34c.
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Qian Dong,Buxian Jiang,Hong Zhang,Zhong Jiang,Hongting Lu,Chuanmin Yang,Yu Cheng,Xiwei Hao 연세대학교의과대학 2006 Yonsei medical journal Vol.47 No.6
The purpose of this study was to investigate and discuss imaging methods and management strategies for congenital choledochal cyst with co-existing intrahepatic dilation and aberrant bile duct as well as other complicated biliary anomalies. In this study we reviewed and analyzed 72 patients with congenital choledochal cyst, ranging in age from 15 days to 12 years old and who were seen at our hospital during the past 12 years, from January 1993 to October 2005. The image manifestation and clinical significance of patients with co- xisting intrahepatic biliary dilation and aberrant bile duct were carefully examined during operation via MRCP, cholangiography and choledochoscope. Twenty-two cases (30.1%) presented with intrahepatic bile duct dilation and 12 of these were of the cystic type. That is, the orifice of the dilated intrahepatic tract that converged into the common hepatic duct showed membrane or septum-like stenosis. In 10 cases the dilation tapered off from the porta hepatis to the initiating terminals of the intra-hepatic bile ducts and was not accompanied by stenosis. An aberrant bile duct was observed in 2 of the cases. In 3 cases, the right and left hepatic ducts converged at the choledochal cyst. In conclusion, the imaging methods for intrahepatic bile duct dilation possess important clinical significance. Further, for hepatojejunostomy with radical excision of a choledochal cyst, additional operative procedures for intrahepatic stenosis, possible bile duct malformation and pancreaticobiliary common duct calculi can potentially reduce postoperative complications.
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