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ReadiUse™ TMB Substrate Solution *Optimized for ELISA Assays with HRP Conjugates*

Horseradish peroxidase (HRP) and HRP conjugates facilitate the TMB oxidation in the presence of hydrogen peroxide, turning TMB into its blue oxidized product. ReadiUse™ TMB Substrate Solution is a premixed solution of TMB substrate with hydrogen peroxide. It produces a blue product upon interaction with HRP or HRP conjugates without the addition of hydrogen peroxide. The soluble blue product can be quantitated at 650 nm. Use of a stop solution enhances sensitivity 2-4 fold and the resulting yellow solution can be read at 450 nm. ReadiUse™ TMB Substrate Solution provides an convenient and ultrasensitive quantitative substrate system.

Example protocol

AT A GLANCE

Important
Warm ReadiUse™ TMB Solution to room temperature before use.
Note      The reagent is to be used as supplied, no dilution is required.

SAMPLE EXPERIMENTAL PROTOCOL

  1. Wash the assay plate following the incubation of HRP-labeled reagent.
  2. Add 100 µL of ReadiUse™ TMB Solution into each well.
  3. Incubate the plate at room temperature for 15 – 30 min or until the desired color develops. Note: The incubation time varies depending on the assay conditions.
  4. Measure the absorbance signal at 650 nm with an ELISA microplate reader. Note: If desired, the reaction can be stopped by adding an equal volume of 2M sulfuric acid to each well. Stopped reaction should be read at 450 nm. 

Citations

View all 1 citations: Citation Explorer
Differential Effect of Chronic Morphine on Neuronal Degeneration in Male vs. Female Mice
Authors: Brazile Jr, Chet and Fan, Ruping and Benoit, Beau and Arnold, Thomas and Korneeva, Nadejda
Journal: Pathophysiology (2024): 152--165

References

View all 42 references: Citation Explorer
Au nanoparticles on citrate-functionalized graphene nanosheets with a high peroxidase-like performance
Authors: Chen X, Tian X, Su B, Huang Z, Oyama M.
Journal: Dalton Trans (2014): 7449
NiO nanoparticles modified with 5,10,15,20-tetrakis(4-carboxyl pheyl)-porphyrin: Promising peroxidase mimetics for HO and glucose detection
Authors: Liu Q, Yang Y, Li H, Zhu R, Shao Q, Yang S, Xu J.
Journal: Biosens Bioelectron (2014): 147
Interactions of macromolecular crowding agents and cosolutes with small-molecule substrates: effect on horseradish peroxidase activity with two different substrates
Authors: Aumiller WM, Jr., Davis BW, Hatzakis E, Keating CD.
Journal: J Phys Chem B (2014): 10624
Biogenic magnetic nanoparticles from Burkholderia sp. YN01 exhibiting intrinsic peroxidase-like activity and their applications
Authors: Pan Y, Li N, Mu J, Zhou R, Xu Y, Cui D, Wang Y, Zhao M.
Journal: Appl Microbiol Biotechnol. (2014)
5,10,15,20-tetrakis(4-carboxyl phenyl)porphyrin-CdS nanocomposites with intrinsic peroxidase-like activity for glucose colorimetric detection
Authors: Liu Q, Jia Q, Zhu R, Shao Q, Wang D, Cui P, Ge J.
Journal: Mater Sci Eng C Mater Biol Appl (2014): 177
Page updated on October 24, 2024

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Unit size
1 L
100 ml
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Physical properties

Molecular weight

240.34

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Refrigerated (2-8 °C); Minimize light exposure
UNSPSC12171501

CAS

54827-17-7

Platform

Absorbance microplate reader

Absorbance650 nm
Recommended plateClear bottom