XTT Cell Proliferation Assay Kit

XTT Assay Kit for easy cytotoxicity, cell viability and cell proliferation assay

500 rxn.

SKU: 15091


11 disponibles


11 disponibles

  • Easier to use than MTT assay using soluble tetrazolium salt
  • Applicable to all types of cells
  • Counting of cells safely without radioactive isotopes
  • Small amount of cells can be measured accurately
  • No additional work is required, including the use of separate reagents or removal of media
  • Simultaneously available to do measurement and semi-automation of absorbance using ELISA reader

As the XTT Cell Proliferation Assay Kit using soluble tetrazolium salt is a system that can easily measure the degree of living cells for drugs, it can be used more conveniently than MTT assay. The tetrazolium salt (XTT) added to the medium is converted to the formazan dye by mitochondrial oxidoreductase which is active only in living cells. When XTT is converted to formazan pigment, the color of the medium changes to orange, and this color difference is used to see effects such as cell proliferation and cytotoxicity. The result is measured using an ELISA reader and can be determined by the difference in the absorbance values measured at wavelengths of 450nm and 660nm, respectively. XTT analysis using fluorescent markers provides a solution to identify multiple cell samples quickly and easily.

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Fig 1. Effect of different numbers of cells on color formation.

Fig 2. Comparison of the cytotoxic activity (Triton X-100 on Vero cell) using by XTT Assay Kit with competitor.

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