"A trustworthy partner for the IVD industry and R&D labs seeking premium immunoassay components."Henrik Christensen, CEO and owner of Kem-En-Tec Diagnostics


TMB SENS, ready-to-use substrate for colorimetric detection in ELISAs based on Horseradish Peroxidase labeled antibodies.

  • Ready-to-use, Mono-component, one-step chromogenic substrate containing 3,3′,5,5′-tetramethylbenzidine, substrate buffer and hydrogen peroxide
  • Activity level more than two times higher than TMB ONE™ activity, resulting in the highest sensitivity and the shortest incubation time in the marketplace.
  • Higher superior sensitivity
  • Fast assay development
  • Negligible batch-to-batch variations


  • Free of harmful organic solvents
  • Development time: 5-15 minutes
  • Stop solution: 0.3 M H2SO4


  • At least 2½ years at 2-8° C
  • At least 5 months at room temperature
  • 2 weeks at 37° C

All products are available as OEM components or under our own Kem-En-Tec Diagnostics A/S label.

Cat # Unit
4850H 100 ml
4850L 500 ml
4850A 1000 ml
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