Avidin D, Cell Sorting Grade (FITC)

Catalog No : USB-A4500-81P
539.10€
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Product name Avidin D, Cell Sorting Grade (FITC)
Catalog No USB-A4500-81P
Supplier’s Catalog No A4500-81P
Supplier US Biologicals
Source antigen
Reactivity
Cross reactivity
Applications
Molecular weight
Storage -20°C
Other names
Grade
Purity
Form Supplied as a liquid in 10mM HEPES, 0.5M sodium chloride, pH 8.0, 0.8% sodium azide. Labeled with Fluorescein.
Reactivity life 12 months
Note For reserch purpose only
Description Avidin DCS, Fluorescein labeled, is a cell sorter grade of Fluorescein Avidin D. Through the development of a new method of fluorescein labeling we are able to incorporate more fluorochrome into a protein without altering the properties of the protein. Not only does the Fluorescein Avidin DCS have a high F/P ratio, the efficiency of fluorescence is also increased. In addition to the improved conjugation technique, we employ a purification step to reduce nonspecific binding which can hamper resolution in cell sorting and other applications. Although this product has been designed for cell sorting, it can also be used in fluorescent microscopy when higher sensitivity and lower background staining are necessary. This derivative is preferred when using the amplification procedure with Biotinylated Anti-Avidin D. Applications: Suitable for use in FLISA. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Excitation: 495-500nm Emission: 514-521nm F/P (molar): 4.6 Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.