منابع مشابه
A review of Biology and clinical use of Mesenchymal stem cell: an immune -modulator progenitor cell
Human mesenchymal stem cells (hMSCs), which also called mesenchymal stromal cells, are multipotent stem cell. Human MSCs typically are positive for the surface markers CD44, CD73, CD90, CD105, CD106, and also negative for hematopoietic markers CD34 and CD45.These cells can be isolated from postnatal bone marrow, adipose tissue, placenta, and scalp tissue, as well as from various fetal tissues. ...
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Redundant arrays of independent disks (RAID) provide an ecient stable storage system for parallel access and fault tolerance. The most common fault tolerant RAID architecture is RAID-1 or RAID-5. The disadvantage of RAID-1 lies in excessive redundancy, while the write performance of RAID-5 is only 1/4 of that of RAID-0. In this paper, we propose a high performance and highly reliable disk arra...
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Injectable hydrophobic drugs are typically dissolved in surfactants and non-aqueous solvents which can induce negative side-effects. Alternatives like 'top-down' fine milling of excipient-free injectable drug suspensions are not yet clinically viable and 'bottom-up' self-assembled delivery systems usually substitute one solubilizing excipient for another, bringing new issues to consider. Here, ...
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We present optical and IR surface photometry of M51 (NGC 5194) at B V R I J K and CO(2.3μ). These data are used to establish whether K-band (2.2μ) images of spiral galaxies provide reliable maps of stellar surface mass density features such as massive spiral arms or bars. The main distorting agents in the mapping at shorter wavelengths are dust extinction and luminous young stars. From modeling...
متن کاملTitle: Systems Biology and Stem Cell Biology
2 Summary Stem cells are specialized progenitor cells that have the ability to develop into different somatic cell types in the body. Among the different stem cells, embryonic stem (ES) cells are considered the most pluripotent as they have the potential to form every cell type, including other somatic stem cells. ES cells also possess the capability for extensive self-renewing division in cult...
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ژورنال
عنوان ژورنال: Science
سال: 2006
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.313.5794.1705a