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Invitrogen™ Molecular Probes™ Amplex™ Red Glutamic Acid/Glutamate Oxidase Assay Kit DFS Item

Simple method for detecting glutamic acid/glutamate oxidase activity

Manufacturer:  Invitrogen™ LSA12221

Catalog No. A12221



Description

Description

The Amplex Red Glutamic Acid/Glutamate Oxidase Assay Kit provides a sensitive and simple method for detecting glutamic acid/glutamate oxidase activity using a fluorescence microplate reader or fluorometer. The Amplex Red Glutamic Acid/Glutamate Oxidase Assay Kit provides an ultrasensitive method for detecting glutamic acid or for continuously monitoring glutamate oxidase activity using a fluorescence microplate reader or fluorometer. In the assay, L-glutamic acid is oxidized by glutamate oxidase to produce α-ketoglutarate, NH3, and hydrogen peroxide. L-alanine and L-glutamate–pyruvate transaminase are included in the reaction to regenerate L-glutamic acid by transamination of α-ketoglutarate, resulting in multiple cycles of the initial reaction and a significant amplification of the hydrogen peroxide produced. The hydrogen peroxide reacts with 10-acetyl-3,7-dihydroxyphenoxazine (Amplex Red reagent) in a 1:1 stoichiometric ratio in a reaction catalyzed by horseradish peroxidase (HRP) to generate the highly fluorescent product resorufin. Because resorufin has absorption and fluorescence emission maxima of approximately 571nm and 585nm, respectively, there is little interference from autofluorescence in most biological samples.

  • Detect concentrations as low as 10nm L-glutamic acid or 40μU/mL of purified L-glutamate oxidase
  • Format allows for multiple time point measurements
  • Designed for minimal autofluorescence interference
  • Custom assay design and packaging are also available

Use Amplex Red Assays for a Broad Range of Investigations
A wide variety of validated Amplex Red assays are available for studying cell signaling and lipids, neurobiology, inflammation and immune function, and metabolism. We also offer Amplex UltraRed Reagent, a second-generation reagent providing greater sensitivity and brighter fluorescence, and the Amplex Red/UltraRed Stop Reagent. The Amplex Red/UltraRed Stop Reagent provides convenience and control by allowing the fluorescence signal-generating reaction to be terminated at a user-determined time point. After addition of the stop reagent, the fluorescence signal remains stable for at least three hours.

Cell Analysis, Cell Metabolism, Cell Viability, Proliferation and Function, Enzyme and Protein Activity Assays, Oxidase and Peroxidase Activity, Proteins, Expression, Isolation and Analysis

Order Info

Shipping Condition: Room temperature

Specifications

Specifications

200 assays
Fluorescent
Kit, Assay
96-well plate
Store in freezer (-5° to -30°C) and protect from light.
Fluorometer, Microplate Reader
200 assays
Amplex Red
Documents

For Research Use Only. Not for use in diagnostic procedures.