HABA (4'-hydroxyazobenzene-2-carboxylic acid)

      HABA (4'-hydroxyazobenzene-2-carboxylic acid)

      Catalog number: 28010

      Thermo Scientific™  Related applications: Protein Labeling & Crosslinking

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      Description

      Thermo Scientific Pierce HABA is 4'-hydroxyazobenzene-2-carboxylic acid, a simple reagent that enables spectrophotometric (colorimetric) estimation of biotinylation levels of labeled proteins and other molecules.

      Features of HABA:

      • HABA-avidin complex can be used over a wide range of pH and salt concentrations
      • Amount of Avidin can be calculated directly from the increased absorbance at 500nm complexing with the HABA Dye
      • Calculate results directly from absorbance values based on extinction coefficients using the procedure outlined in the instructions
      • Complete kits also available! See Pierce Biotin Quantitation Kit (Part No. 28005) and Fluorescence Biotin Quantitation Kit (Part No. 46610)

      Determine the molar ratio of biotin incorporated into a protein using the HABA-Avidin method. HABA dye (4'-hydroxyazobenzene-2-carboxylic acid ) binds to avidin to produce a yellow-orange colored complex which absorbs at 500nm. Free biotin will displace the HABA dye and cause the absorbance to decrease. A standard curve can be established using the free biotin to estimate the number of moles of biotin incorporated after biotinylating a protein. View online HABA Calculator.

      For Research Use Only. Not for use in diagnostic procedures.

      Specifications

      Label or Dye: Biotin
      Labeling Target: Antibodies (General), Proteins (General)
      Product Line: Pierce™
      Product Size: 10 g

      Contents & storage

      Upon receipt store product at room temperature. Product shipped at ambient temperature.

      Documents

      Manuals & protocols