ELISA: 1/115,000. Western Blot: 1/1,000 - 1/3,000. Immunohistochemistry. Other applications not tested. Optimal dilutions are dependent on conditions and should be determined by the user.
Restrictions
For Research Use only
Reconstitution
Restore with 1.0 mL of deionized water (or equivalent). For extended storage mix product with 50 % glycerol.
Concentration
1.0 mg/mL (by UV absorbance at 280 nm)
Buffer
0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2 containing 10 mg/mL Bovine Serum Albumin (BSA) as stabilizer and 0.01 % (w/v) Sodium Azide as preservative
Preservative
Sodium azide
Precaution of Use
This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Handling Advice
Avoid repeated freezing and thawing.
Storage
4 °C/-20 °C
Storage Comment
Prior to reconstitution store at 2-8 °C. Following reconstitution store the antibody undiluted at 2-8 °C for one month or (in aliquots) at-20 °C for longer.
Fluorescein is a fluorophore commonly used to label proteins - protein-fluorescein conjugates are not usually susceptible to precipitation. In addition to its relatively high absorptivity, excellent fluorescence quantum yield and good water solubility, fluorescein has an excitation maximum of 494 nm that closely matches the 488 nm spectral line of the argon-ion laser, making it an important fluorophore for confocal laser-scanning microscopy and flow cytometry applications. Its fluorescence is? pH sensitive and is significantly reduced below? pH 7. Fluorescein emits most strongly between 500 and 550 nm, but it has a relatively broad emission spectrum reaching to over 600 nm. Several derivatives of fluorescein are commonly used, including FITC (fluorescein isothiocyanate), carboxylates and succinimidyl esters.Synonyms: Fluorescein Isothiocyanate