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In eukaryotes, catalase is usually located in a cellular organelle called the peroxisome. [30] Peroxisomes in plant cells are involved in photorespiration (the use of oxygen and production of carbon dioxide) and symbiotic nitrogen fixation (the breaking apart of diatomic nitrogen (N 2) to reactive nitrogen atoms). Hydrogen peroxide is used as a ...
C. Carbocatalysis; Catalase; Catalysis; Catalyst poisoning; Catalytic combustion; Catalytic converter; Catalytic cycle; Catalytic oxidation; Catalytic resonance theory
Lipid peroxidation, or lipid oxidation, is a complex chemical process that leads to oxidative degradation of lipids, [1] resulting in the formation of peroxide and hydroperoxide derivatives. [2]
An illustrative example is the effect of catalysts to speed the decomposition of hydrogen peroxide into water and oxygen: . 2 H 2 O 2 → 2 H 2 O + O 2. This reaction proceeds because the reaction products are more stable than the starting compound, but this decomposition is so slow that hydrogen peroxide solutions are commercially available.
Organisms producing the enzyme catalase have the ability to decompose hydrogen peroxide into water and free oxygen. The test differs from that used to detect catalase in other types of bacteria by using 30% hydrogen peroxide in a strong detergent solution (10% polysorbate 80). [1] Citrate. Sole carbon source [1] Egg medium
A universal assay for catalase-like nanozymes was reported. [188] A nanozyme catalyzed CRISPR assay was developed. [189] A nanozyme-based tumor-specific photo-enhanced catalytic therapy was developed. [190] Single-atom nanozymes for brain trauma therapy were reported. [191] An edge engineering strategy was developed to fabriacte single atom ...
This is particularly useful in processes such as the production of Lactose Free Milk, as the milk can be drained from a container leaving the enzyme inside ready for the next batch. [15] Stability Immobilized enzymes typically have greater thermal and operational stability than the soluble form of the enzyme. [15]
In biochemistry, an oxidase is an oxidoreductase (any enzyme that catalyzes a redox reaction) that uses dioxygen (O 2) as the electron acceptor.In reactions involving donation of a hydrogen atom, oxygen is reduced to water (H 2 O) or hydrogen peroxide (H 2 O 2).