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Product Form
Streptavidin conjugated to Fluorescein Isothiocyanate (Isomer 1) - liquid
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.09% Sodium Azide (NaN3)
1% Bovine Serum Albumin
Approx. Protein Concentrations
Streptavidin 1 mg/ml
Max Ex/Em
Fluorophore Excitation Max (nm) Emission Max (nm)
FITC 490 525
For research purposes only
12 months from date of despatch

This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.

Avoid repeated freezing and thawing as this may denature the product. Storage in frost-free freezers is not recommended. This product is photosensitive and should be protected from light.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Flow Cytometry 1/100 1/200
Immunohistology - Frozen 1/100 1/500
Immunohistology - Paraffin 1/100 1/500
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls.
Flow Cytometry
Use 50ul of the suggested working dilution to label 106 cells in 100ul.

References for Streptavidin

  1. Raeber, A.J. et al. (1999) Ectopic expression of prion protein (PrP) in T lymphocytes or hepatocytes of PrP knockout mice is insufficient to sustain prion replication.
    Proc Natl Acad Sci U S A. 96 (7): 3987-92.
  2. Stein, V.M. et al. (2008) Immunophenotypical characterization of monocytes in canine distemper virus infection.
    Vet Microbiol. 131:237-46.
  3. Tsai, C.M. et al (2011) Galectin-1 and galectin-8 have redundant roles in promoting plasma cell formation.
    J Immunol. 187: 1643-52.
  4. Ávila, L.R. et al. (2018) Promastigote parasites cultured from the lesions of patients with mucosal leishmaniasis are more resistant to oxidative stress than promastigotes from a cutaneous lesion.
    Free Radic Biol Med. 129: 35-45.



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Please Note: All Products are "FOR RESEARCH PURPOSES ONLY"

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