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20 results on '"Lou, Xiaofang"'

2. The Maschke-type theorems of diagonal crossed products over Hopf group coalgebras(Hopf群余代数上对角交叉积的Maschke型定理)

Author

罗晓芳(LOU Xiaofang)

Subjects
Electronic computers. Computer science, QA75.5-76.95, Physics, QC1-999
Abstract

构造了Hopf群余代数上对角交叉积代数结构，给出了其为Hopf群余代数的充要条件，证明了其表示范畴同构于Yetter-Drinfeld群模范畴，并将Hopf代数理论中经典的Maschke型定理推广至Hopf群余代数的对角交叉积。

Published
2023
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13. The Design and Implementation of a Certain Communications Gateway with SOPC

Author

Zhang Wei, Liu Junxian, Tang Wulei, Lou Xiaofang, and Qiu Chuanfei

Subjects
business.industry, Network packet, Computer science, ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS, Reconfigurability, Application software, computer.software_genre, Embedded system, Wireless, System on a chip, business, Field-programmable gate array, computer, Internetworking, H.248
Abstract

By the full use of the reconfigurability of SOPC, this paper constructed the hardware system of communication gateway, designed the logic of custom HDLC processor and SLIP processor. The application software systems are developed, which implemented efficiently the functions of communications gateway protocol parsing and conversion, data packet distribution and packaging etc.

Published
2012

19. Insertion of a 1.9F central venous catheter via the internal jugular vein in neonates

Author

Luo, Feixiang, Cheng, Xiaoying, Lou, Xiaofang, Wang, Qin, Fan, Xiaoyan, and Chen, Shuohui

Abstract

Objective This study aimed to develop a technique for placing a 1.9 French (F) central venous catheter in the internal jugular vein of newborns.Methods In this retrospective study, punctures were performed with a modified ultrasound-guided Seldinger technique with 57 1.9F catheters in 48 newborns. Punctures were performed in the right internal jugular vein in 43 (75.4%) patients and in the left internal jugular vein in 14 (24.6%) patients.Results We included 33 (57.9%) boys and 24 (42.1%) girls, aged a median 38 days (range, 2–135 days). The puncture success rate was 100%. Catheterization duration was a median 14 days (range, 1–70 days). Among the catheters, 94.1% were removed after completion of therapy or upon death. Fifty-three (93%) patients experienced no complication, whereas a small amount of bleeding was observed in 2 (3.5%) patients, inflammation of puncture in 1 (1.8%) patient, and occlusion in 1 (1.8%) patient. The method of placement of 1.9F catheters in the internal jugular vein of newborns had a high success rate, with minimal trauma and few complications.Conclusions Our method of placing a 1.9F central venous catheter in the internal jugular vein is suggested for level III to VI neonatal intensive care units.

Published
2021
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20. [Eukaryotic expression of P-selectin functional segment on the membrane of CHO].

Author

Lou X, Wang S, Du W, Yu R, Yu W, and Sun Z

Subjects
Animals, Antibodies metabolism, CHO Cells, Cell Membrane metabolism, Cloning, Molecular, Cricetinae, Cricetulus, Epidermal Growth Factor metabolism, Glycosylphosphatidylinositols metabolism, Lectins metabolism, P-Selectin genetics, P-Selectin immunology, RNA metabolism, P-Selectin biosynthesis, Transfection
Abstract

Cell adhesive molecular P-selectin was cloned, expressed and anchored on CHO cell membrane through GPI for selection specific antibodies. Total human platelet RNA was extracted and the functional segment of P-selectin gene was cloned by RT-PCR. The P-selectin functional segment gene was cloned into a eukaryotic expression vector pMCEw2-GPI containing an attenuated neo gene together with a downstream GPI, which was synthesized by overlapping PCR. The recombinant plasmid pMCEw2-GPI-P-selectin was then transfected to CHO(dhfr-) cells and screened with G418. ELISA, western-blot and immunofluorescence were carried out to detect the stability of P-selection expression on cell membrane. These results provided a necessary basis for the following study of selection the antibodies targeting P-selectin.

Published
2008

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