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Hydrogen peroxide

From Bioblast


high-resolution terminology - matching measurements at high-resolution


Hydrogen peroxide

Description

Hydrogen peroxide

Hydrogen peroxide, H2O2 or dihydrogen dioxide, is one of several reactive oxygen intermediates generally referred to as reactive oxygen species (ROS). It is formed in various enzyme-catalyzed reactions (e.g. superoxide dismutase) with the potential to damage cellular molecules and structures. H2O2 is dismutated by catalase to water and oxygen. H2O2 is produced as a signaling molecule in aerobic metabolism and passes membranes more easily compared to other ROS.

Abbreviation: H2O2


MitoPedia methods: Respirometry, Fluorometry 


MitoPedia topics: Substrate and metabolite 

Applications in HRR

  • Measurement of H2O2 using Amplex Red: more detail
  • Measurement of H2O2 using an amperometric sensor: more detail
  • Re-oxygenation of the respiration medium with H2O2: more detail
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[[File:H2O2.jpg|left|60px|Hydrogen peroxid …
Hydrogen peroxide
Hydrogen peroxide, H<sub>2</sub>O<sub>2</sub> or dihydrogen dioxide, is one of several reactive oxygen intermediates generally referred to as reactive oxygen species (ROS). It is formed in various enzyme-catalyzed reactions (e.g. superoxide dismutase) with the potential to damage cellular molecules and structures. H<sub>2</sub>O<sub>2</sub> is dismutated by catalase to water and oxygen. H<sub>2</sub>O<sub>2</sub> is produced as a signaling molecule in aerobic metabolism and passes membranes more easily compared to other ROS.
mbranes more easily compared to other ROS. +
Respirometry +  and Fluorometry +
Substrate and metabolite +
NO (amperometric) signal +  and Fluorescence +