K-Blue® Advanced Plus TMB Substrate

Item No.  379175

  • High activity
  • No hazardous labeling
  • Compliant with Annex XVII for REACH
  • Minimum shelf life of 24 months at 2–8°C
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Minimum quantity required: 1
This item must be ordered in multiples of one case. Quantity per case: 1

K-Blue Advanced Plus is a one-bottle stabilized chromogenic substrate for use with horseradish peroxidase immunoassays. It contains both 3,3’,5,5’ tetramethylbenzidine (TMB) and hydrogen peroxide (H2O2). K-Blue Advanced Plus develops a deep blue color in the presence of peroxidase labeled conjugate. This substrate has been optimized for use with microwell assays, especially ELISA. K-Blue Advanced Plus is not applicable for use with assays requiring a precipitating substrate. The substrate offers long-term stability and high activity. K-Blue Advanced Plus is compliant with Annex XVII for REACH and contains no hazardous substances at or above published reporting levels.

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Application Microwell
Brand K-Blue®
Enzyme HRP
Intended Use Research and manufacturing use only
Package Dimensions 2.30 IN x 2.30 IN x 5.30 IN
Package Weight 0.50 LB
Result Type Colorimetric
Sensitivity High Activity
Storage Conditions Stable for a minimum of 24-months when stored at 2-8°C.
Wavelength 650 nm or 450 nm with acid stop


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