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hydrogen peroxide hydrogen peroxide
hydrogen peroxide chemical compound, H 2 O 2 , a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol and ether. Although pure hydrogen peroxide is fairly stable, it decomposes into water and oxygen... Read more
peroxide peroxide
peroxide , chemical compound containing two oxygen atoms, each of which is bonded to the other and to a radical or some element other than oxygen; e.g., in hydrogen peroxide , H 2 O 2 , the atoms are joined together in the chainlike structure H-O-O-H. Peroxides are powerful oxidizing agents. They... Read more
catalase catalase
catalase An enzyme, found in peroxisomes, that catalyses the decomposition of hydrogen peroxide, which results from oxidation reactions in the cell (see also superoxide dismutase), into water and oxygen. High concentrations of catalase are found in the liver. Catalase is the fastest known enzyme; it... Read more
Chemiluminescence Chemiluminescence
Chemiluminescence When two molecules react chemically so that there is a release of energy (an exothermic reaction), that energy sometimes manifests itself not as heat but as light. This occurs because the energy excites the product molecules into which it has been... Read more
Superoxide dismutase Superoxide dismutase
superoxide dismutase (SOD) A widely distributed enzyme that removes the superoxide radical (O2·), with the formation of molecular oxygen and hydrogen peroxide, in the following reaction: O2· + O2· + 2H+ → O2 + H2O2 The hydrogen peroxide formed is removed by the action of... Read more
Louis Jacques Thenard Louis Jacques Thenard
Louis Jacques Thénard , 1777-1857, French chemist. He became professor at the Collège de France (1802), dean of the Faculty of Sciences, Paris (1821), chancellor of the Univ. of Paris (1832), and was made a baron in 1825. He collaborated with Gay-Lussac in studies of boron, chlorine,... Read more
Peroxisomal disorders Peroxisomal disorders
Peroxisomal Disorders Definition Peroxisomal disorders are a group of congenital (existing from birth) diseases characterized by the absence of normal peroxisomes in the cells of the body. Peroxisomes are special parts (organelles) within a cell that contain enzymes responsible for critical... Read more
peroxisome peroxisome
peroxisome A small organelle (a type of microbody) that is bounded by a single membrane and found in plant and animal cells. It contains enzymes that are involved in oxidation processes, some of which generate the highly toxic compound hydrogen peroxide (H2O2). Hence, peroxisomes are equipped with... Read more
zinc oxide zinc oxide
zinc oxide chemical compound, ZnO, that is nearly insoluble in water but soluble in acids or alkalies. It occurs as white hexagonal crystals or a white powder commonly known as zinc white. Zinc white is used as a pigment in paints; less opaque than lithopone, it remains white when exposed to... Read more
Bio-oxidative therapy Bio-oxidative therapy
Oxygen/Ozone Therapy Definition Oxygen/ozone therapy is a term that describes a number of different practices in which oxygen, ozone, or hydrogen peroxide are administered via gas or water to kill disease microorganisms, improve cellular function, and promote the healing of damaged tissues. The... Read more

Related newspaper, magazine, and trade journal articles from HighBeam Research

Deodorization of Ethyl Mercaptan by Cotton Fabrics Mordant Dyed with a Direct...
Magazine article from: Textile Research Journal ...the dye by four differently...become widely available in the market...chemical decomposition functions...In this study, mordant dyeing of some commercially available cotton samples...cotton), four knitted cotton...and aqueous hydrogen peroxide were used...

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