http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
OsCAS: a comprehensive web-based annotation platform for rice microarray data
Qingyun Shi,Yijun Meng,Dijun Chen,Fei He,Haibin Gu,Ping Wu,Ming Chen 한국바이오칩학회 2010 BioChip Journal Vol.4 No.1
OsCAS (Oryza sativa Chip Annotation System) is a comprehensive web-based tool that analyzes the results of rice (Oryza sativa) microarray experiments and the potential relationships among genes. This platform is designed to facilitate the indepth exploration of microarray data with relatively high analysis efficiency. With a user-friendly web interface, OsCAS allows chip probe IDs as inputs to retrieve relevant information according to user’s designation. Public databases, such as GenBank, UniGene, Swiss-Prot, TIGR, KOME, KEGG, Gene Ontology, and miRBase, were integrated into our platform to cover gene information, protein features, metabolic pathways and regulatory factors in rice. Besides, OsCAS includes the reprocessed information from several analytical tools such as CSRDB and miRU to obtain deep insights into the primary annotations. OsCAS is time-cost-effective in annotating large sets of chip probe IDs, and can provide some precious hints for the biological experiment design. OsCAS runs on a Linux server and is accessible at http://bis.zju.edu.cn/oscas/.
Downlink Performance of Distributed Antenna Systems in MIMO Composite Fading Channel
( Weiye Xu ),( Qingyun Wang ),( Ying Wang ),( Binbin Wu ) 한국인터넷정보학회 2014 KSII Transactions on Internet and Information Syst Vol.8 No.10
In this paper, the capacity and BER performance of downlink distributed antenna systems (DAS) with transmit antenna selection and multiple receive antennas are investigated in MIMO composite channel, where path loss, Rayleigh fading and lognormal shadowing are all considered. Based on the performance analysis, using the probability density function (PDF) of the effective SNR and numerical integrations, tightly-approximate closed-form expressions of ergodic capacity and average BER of DAS are derived, respectively. These expressions have more accuracy than the existing expressions, and can match the simulation well. Besides, the outage capacity of DAS is also analyzed, and a tightly-approximate closed-form expression of outage capacity probability is derived. Moreover, a practical iterative algorithm based on Newton`s method for finding the outage capacity is proposed. To avoid iterative calculation, another approximate closed-form outage capacity is also derived by utilizing the Gaussian distribution approximation. With these theoretical expressions, the downlink capacity and BER performance of DAS can be effectively evaluated. Simulation results show that the theoretical analysis is valid, and consistent with the corresponding simulation.
Biological characterization of mesenchymal stem cells from bovine umbilical cord
Hui Xiong,Wei Jun Guan,Yue Hui Ma,Chunyu Bai,Shuang Wu,Yuhua Gao,Taofeng Lu,Qingyun Hu 한국통합생물학회 2014 Animal cells and systems Vol.18 No.1
Mesenchymal stem cells (MSCs) are multi-potential cells that are able to proliferate and differentiate into othercell types. Much research has been done on the MSCs from the umbilical cord (UCMSCs) in human, mice, andavian, but little literature has been published about these cells in big livestock. Here, we choose Luxi cattle asthe experimental animal, we describe an external culture of the UCMSCs from it and summarize the biologicalcharacteristics of these cells, e.g., morphologic appearance, surface antigens, colony-forming ability, geneexpression, and differentiation potential were detected via using immunofluorescence and reverse transcriptionpolymerase chain reaction (RT-PCR). The induced cells, osteoblast, lipoblast, hepatocyte, islet cells, andneurocyte were identified by Alizarin red staining, Oil-red-O staining, Periodic acid-schiff staining, andDithizone staining and RT-PCR detection for specific genes. Results suggest that biological characteristics ofthe UCMSCs were similar to those of MSCs previously analyzed. The primary UCMSCs were sub-cultured topassage 32, the UCMSCs expressed gene CD29, CD44, CD73, CD90, and CD166, induced cells illustratedtypical staining, and expressed specific genes, which indicate that the UCMSCs could be a novel alternativesource of MSCs for experimental and clinical applications.