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Last updated: 2021/1/17

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Maleimide Assay Kit (Rapid) 

  • Catalog # : KA4129
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  • Specification
  • Product Description:
  • Maleimide Assay Kit (Rapid) provides a rapid and accurate method to quantify maleimide using the maleimide sensor Maleimide Blue with the maximum absorbance at ~780 nm. This kit has been widely used for the rapid quantification of maleimide group from protein, oligo and nucleic acid samples.
  • Storage Instruction:
  • Store the kit at 4°C for short term. For best results, please store the kit components as described in the protocol. Upon receipt, store Maleimide Blue (Component A) at -20°C (prefer at -80°C), kept from light and moisture. When stored properly, the kit components should be stable for six months. Do not freeze Spin Column (Component C).
  • Note:
  • Result Data

  • Absorbance readings obtained with the above BSA-maleimide sample: A280nm=0.290, A782nm=1.214.


  • Suitable Sample:
  • Maleimide group from protein, oligo and nucleic acid samples.
  • Sample Volume:
  • 50 to 100 ug maleimide sample (protein or other polymers).
  • Detection Method:
  • Colorimetric
  • Regulation Status:
  • For research use only (RUO)
  • Applications
  • Quantification
  • Application Image
  • Quantification
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