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商品編號


016-120-084



品牌


Jackson



公司


Jackson ImmunoResearch Laboratories



公司分類(lèi)


Streptavidin and Conjugates



Conjugate

PerCP


Unit

0.5 ml


Product

Streptavidin


產(chǎn)地

美國

商品信息

Steptavidin, a bacterial protein isolated from
Streptomyces avidinii
, is similar to egg-white avidin in its
ABI
lity to bind biotin, and has been used as a replacement for egg-white avidin because of its more favorable chemical properties.
Conjugates of streptavidin are recommended for use with Biotin-SP-conjugated antibodies and Biotin-SP-conjugated ChromPure proteins.
Physical State:
Freeze-dried solid
Storage:
Store freeze-dried powder at 2-8°C. When ready to use, rehydrate with indicated volume of d. water and centrifuge if not clear. Store at 2-8°C - DO NOT FREEZE. Prepare working dilution fresh each day.
Expiration date:
six months from date of rehydration. However, the expiration date may be extended if the product is stored according to the recommendation and the test results are acceptable for its intended use.
Buffer:
0.01M Sodium Phosphate, 0.25M NaCl, pH 7.6
St
ABI
lizer:
15 mg/ml Bovine Serum Albumin (IgG-Free, Protease-Free)
Preservative:
0.05% Sodium Azide
Suggested Working Concentration or Dilution Range:
Flow Cytometry:- 1:25-1:100
Dilution factors are presented in the form of a range because the optimal dilution is a function of many factors, such as antigen density, perme
ABI
lity, etc. The actual dilution used must be determined empirically.
PerCP
Amax:
488
Emax:
675nm
PerCP is a fluorescent peridinin-chlorophyll-protein complex isolated from dinoflagellates. We offer the form found in Dinophyceae sp. with a molecular weight of about 35.5 kDa. It has a broad spectrum of excitation with a main peak at 482 nm, and a long Stokes shift to an emission peak at 677 nm.?
PerCP, Alexa Fluor? 488 (or FITC), and R-PE are excited at 488 nm with an argon laser, and thus can be used for one-, two-, and three-color analyses with single-laser flow cytometers. APC and Alexa Fluor? 647 are excited at 633 nm to give a fourth color with dual-laser flow cytometers.?
PerCP is also highly water soluble, has arelatively low isoelectric point, and lacks potentially sticky carbohydrates.
It should be noted that the relatively high molecular weight of PerCP may preclude its use in procedures requiring good penetration into cells and tissues. It is predominantly intended for surface labeling of cells for flow cytometry.