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CD34 is a glycosylated transmembrane protein and represents a well-known marker for primitive blood- and bone marrow-derived progenitor cells, especially for hematopoietic and endothelial stem cells. Although the biological functions of CD34 are largely unknown, recent data suggest that CD34 is involved in maintenance of the progenitor cells in a phenotypically undifferentiated state. PromoCell offers CD34 Progenitor Cells from the cord blood of healthy donors. The CD34 Progenitor Cells contain two main cellular subpopulations, hematopoietic and endothelial progenitor cells. Therefore, CD34 Progenitor Cells are suitable for a series of studies, e.g. directed differentiation into more committed types of blood cells and endothelial lineages.
NEW: Our CD34+-CB are now also available from HLA-typed donors.
Recommended plating density | 5,000 cells per ml |
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Tested Markers | CD34 positive |
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t=RC,其中t是时程,R是电阻,C是电容,我不知道这个电阻是不是电转杯的电阻还是电转仪本身有个电阻,如果有哪位大侠知道能不能告诉?
联系方式:wuyixuansunny@sohu.com
而方波是一种数字信号,其电信号在一应时间内保持持续稳定的点击,并在点击后瞬间消失,对细胞的损伤较小,转化效率较高。
主要是用于酵母,细菌等的转化.
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