How to use hydrogen peroxide in a sentence

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Sentence Examples The organisms also produce organic compounds such as lactic acid, hydrogen peroxide and acetic acid. They have devised an ultrasound hydrogen peroxide vapor inhalator that allows oxygen radicals to be generated and breathed in. Peroxidases are haem-containing enzymes which mediate oxidation of a variety of molecules using hydrogen peroxide as an electron acceptor. In addition, normal cell growth could be restored by addition of catalase to the medium, breaking down the hydrogen peroxide to oxygen and water. Subsequent oxidation-reduction reactions can also produce superoxide anions, hydrogen peroxide and hydroxyl radicals. Some substances are capable of acting either as reductants or as oxidants, e.g., hydrogen peroxide and nitrous acid. Although hydrogen peroxide functions as a disinfectant, it contains toxins harmful to the health. Benzoyl peroxide rapidly decomposes into benzoic acid and hydrogen peroxide and is also safe. It has been demonstrated, for example, that NAC has the ability to scavenge hydrogen peroxide, hypochlorous acid and the hydroxyl radical. Effect of mercuric chloride on solute permeability of hydrogen peroxide in a Chara internode. Other chemicals Spry discussed include peracetic acid, hydrogen peroxide, formalin, and methyl methacrylate. Briefly, plasma lactic acid is converted to pyruvate and hydrogen peroxide by lactate oxidase. An EU ruling makes it illegal to supply hydrogen peroxide bleach at over 0.1 per cent concentration. It is not surprising to find a very high level of functional redundancy among enzymes involved in the detoxification of hydrogen peroxide. I managed to get the stain out with some hydrogen peroxide and a little scrubbing. To remove stains from clothing, try soaking fabrics in water mixed with borax, lemon juice, hydrogen peroxide, washing soda, or white vinegar. On non-washable materials try a little borax or hydrogen peroxide to get the last traces out. Triclosan is a common active ingredient in washing-up liquids, and hydrogen peroxide is used as a sterilant for babies' feeding bottles. These versatile molecules function as catalysts in the hydrogen peroxide bleaching process. To keep his milk house clean, he uses hydrogen peroxide and an organic non-chemical cleaner. Show More Sentences The disorder is associated with a build-up of the oxygen-related molecule hydrogen peroxide in the skin. Virtually all pathogenic bacteria, viruses and fungi are anaerobic and will be killed by hydrogen peroxide. Inside is a solution of an oxalate ester and a fluorescent dye, as well as a smaller glass tube that contains hydrogen peroxide. The solution used to bleach hair softens and swells the cuticles cells, but it also contain hydrogen peroxide to release oxygen. Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed. As hydrogen peroxide decomposes to oxygen and water, the resulting rate of the evolution of oxygen and I 2 vary periodically. Superoxides react with water to produce molecular oxygen and hydrogen peroxide. This can be carried out using chemical oxidation agents such as hydrogen peroxide, ozone, or potassium dichromate. Without catalysis, hydrogen peroxide decomposes slowly over time to form water and oxygen gas. That doesn't produce enough hydrogen peroxide to oxidize all organic matter in the soil. Newer methods of sterilization include alternatives to ethylene oxide, such as low temperature hydrogen peroxide gas plasma and peracetic acid. Catalase acts as a free radical scavenger by neutralizing superoxide radical anion and hydrogen peroxide. In mammalian neutrophils, myeloperoxidase is a key player, converting hydrogen peroxide to hypochlorous acid. It will use Solvay's leading technology for the production of high-purity grades of hydrogen peroxide and peracetic acid. Below this minimum incident flow velocity, the cell for hydrogen peroxide or peracetic acid will indicate values that are too low. Formation of ROS occurs through several univalent reduction steps, yielding first the superoxide anion, then hydrogen peroxide and the hydroxyl radical, and finally water. Ascorbic acid is a small, water-soluble anti-oxidant molecule which acts as a primary substrate in the cyclic pathway for enzymatic detoxification of hydrogen peroxide. In this process, hydrogen peroxide together with ozone or peracetic acid are the most commonly used chemicals. These two plants will ensure supply of hydrogen peroxide for propylene oxide production units. Of the above-mentioned chemical species only hydrogen peroxide is relatively stable and able to penetrate the plasma membrane as an uncharged molecule. Show More Sentences Five years ago, she said, he tried to kill himself by ingesting ibuprofen and hydrogen peroxide. The materials examined contained either carbamide peroxide or hydrogen peroxide as the main bleaching agent. Although there are, as far as is known, no quantitative data, hydrogen peroxide is usually thought to move rapidly across the membranes of cells and organelles. Bleaching agents are highly reactive chemicals and even very small amounts of hydrogen peroxide can interfere with the dyeing process. This device was inserted into a main vein in her chest wall earlier in December to enable her to receive direct infusions of nutrients, vitamins and hydrogen peroxide. Its use on surfaces bleached with hydrogen peroxide is thus not advised although the hardener used would allow this in principle. Avoid contact with chlorine and oxygen difluoride, ethylene oxide, fluorine, hydrogen peroxide, hydrazine mononitrate, hydrazoic acid. Chemical characterisation: Preparation from hydrogen peroxide, silver, stabilizers and water. Never use strong chemicals such as boric acid, hydrogen peroxide or any antiseptic. In addition, probiotics exert protective effects through production of hydrogen peroxide and benzoic acid, which inhibit many pathogenic, acid sensitive bacteria. Typically, hydrogen peroxide is an oxidizing and reducing agent. The most simple case of such a chemical reaction is the decomposition of hydrogen peroxide in the presence of the enzyme catalase inside the cell. Epoxidation, the conversion of an olefin to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique. You have guessed it, hydrogen peroxide it is, a product for which Arkema is the world's 3rd largest manufacturer. Degradation of hydrogen peroxide via catalase produced by bacterial cells, including nonviable cells, requires a concerted systems effort by a group of bacteria. In pure water irradiated by ultrasound under aerobic conditions, it is possible to find free oxygen and hydrogen, hydrogen peroxide and superoxide, nitrous and nitric acids. Thus, even though water and hydrogen peroxide are markedly polar substances, their compositions are correctly given by the covalencies of hydrogen and oxygen. The use of preservatives, other than sulphur dioxide and hydrogen peroxide, is prohibited. When U937 cells were exposed to hydrogen peroxide, superoxide was produced. To do this, skeins of silk thread are immersed in large tubs of hydrogen peroxide. Show More Sentences Sulfuric acid can be produced in the laboratory by burning sulfur in air and dissolving the gas produced in a hydrogen peroxide solution. Five redox indicators were evaluated against hydrogen peroxide and potassium chlorate. Officers find 15 litres of hydrogen peroxide. Intravenous hydrogen peroxide was tried, sometimes fatally. A membrane-covered amperometric measuring cell can be used for monitoring the peracetic acid concentration and the concentration of hydrogen peroxide. Your supplier for hydrogen peroxide or peracetic acid may also be able to inform you about the appropriate determination method or provide you with one. When handling hydrogen peroxide or peracetic acid, please observe the safety notes and safety data sheet provided by the manufacturer of the chemicals. Alternatives to ethylene oxide use in sterilization are available and include hydrogen peroxide, gas plasma, peracetic acid, ozone, chlorine dioxide, and low-temperature steam and formaldehyde. This operation is done by means of combined optical and chemical bleaching, using hydrogen peroxide in an alkaline medium or sodium chloride in acid medium and the optical bleaching agent, followed by rinsing with water. The rolling bearings used in the filling machines for carton packaging must be resistant to media such as hydrogen peroxide vapor, water and cleaning agents. The hydrogen peroxide essentially acts as a bleaching agent, turning the hair growing from the follicles either gray or white. The first step in making banknote paper is to bleach the cotton fibres with caustic soda and hydrogen peroxide in water at high pressure and high temperature. Evaluate the effectiveness of various low-risk products for use in phytoprotection, including hydrogen peroxide, sodium bicarbonate, vegetable purines and compost extracts. They enzyme which these fruits and vegetables contain that catalyses hydrogen peroxide is catalase. This paper shows which fruit or vegetable catalyzes hydrogen peroxide most efficiently one hour. Important chemicals used to manufacture paper include caustic soda, soda ash, chlorine, hydrogen peroxide and titanium dioxide. Solvay is the world's leading producer of sodium carbonate, hydrogen peroxide and per salts, barium carbonate and strontium and of polyethylene fuel tanks. Like pyruvate, ethyl pyruvate could also rapidly and stoichiometrically scavenge hydrogen peroxide. If using a hydrogen peroxide system, be sure to never put the solution directly into your eyes or on the contact lens without first neutralizing. But there was no difference in norbixin recovery from annatto between hydrogen peroxide and benzoyl peroxide. Show More Sentences The Commission takes the view that the examination of the market in hydrogen peroxide and the way it has developed must begin with the time when it was decided to carry out the projected investment. There is ozone bleaching, hydrogen peroxide and oxygen pre-bleaching. Solvay is the leader in this new, important market for hydrogen peroxide. Tooth whitening is a safe procedure that lightens the colouration of the enamel and the dentin of teeth by using whitening solution which is carbamide peroxide or hydrogen peroxide. For the purpose of disinfesting seeds, the calcium hypochlorite is the most used one, besides hydrogen peroxide and sodium hypochlorite. Hence, it does not have the negative imprimatur associated with hydrogen peroxide, ozone, or photoluminescence. Venous oxygen embolism produced by injection of hydrogen peroxide into an enterocutaneous fistula. Therefore, it does appear that a reduced amount of ascorbate would reach the interstitial fluid, with relatively little hydrogen peroxide. They contain hydrogen peroxide, HOOH in combination with another material like sodium carbonate or urea. Sodium percarbonate is produced industrially by reaction of sodium carbonate and hydrogen peroxide, followed by crystallization. Also, dry sodium carbonate may be treated directly with concentrated hydrogen peroxide solution. The products of the CuAO-catalysed oxidative deamination of amines are various aldehydes, ammonia, and hydrogen peroxide. Quaternary ammonium compounds are losing favor to accelerated hydrogen peroxide products for disinfection. Gamma radiolysis of alachlor aqueous solutions in the presence of hydrogen peroxide. Safety of autologous drainage blood reinfusion following total knee arthroplasty prepared with hydrogen peroxide. Prescription bleaching kits contain higher levels of carbamide or hydrogen peroxide than their non-prescription counterparts. Iron bound to C particles catalyzed the decomposition of hydrogen peroxide to generate hydroxyl radicals. In the presence of air, and especially in the presence of hydrogen peroxide, silver dissolves readily in aqueous solutions of cyanide. Modulation of nitric oxide, hydrogen peroxide and cytokine production in a clonal macrophage model by the trichothecene vomitoxin. The same can be said for treating asthma with hydrogen peroxide, infections with Goldenseal or cancer with coffee enemas. Show More Sentences Effect of hydrogen peroxide and sodium perborate on biomechanical properties of human dentine. Superoxide dismutase catalyzes the dismutation of superoxide into oxygen and hydrogen peroxide. With the new technology, peroxymonosulfuric acid can be produced without hydrogen peroxide but by electrolyzing the sulfuric acid. The latter can undergo dismutation to form hydrogen peroxide. Peroxisomal catalase requires hydrogen peroxide to oxidize alcohol. Examples of oxidizing agent initiators are, inter alia, hydrogen peroxide, persulfates such as sodium and potassium persulfate, perborates and also other per compounds. When blood flow to areas of the brain is restricted, reactive oxygen compounds like superoxide radical anions, hydrogen peroxide, and hydroxyl radicals form and accumulate. The active ingredient is usually hydrogen peroxide or carbamide peroxide. Oxidizing bleaching agents that do not contain chlorine are usually based on peroxides such as hydrogen peroxide, sodium percarbonate and sodium perborate. Typical oxidizing agents include persalts such as the alkali metal and ammonium persulfates, hydrogen peroxide and organic hydroperoxides such a tert-butylhydroperoxide. This path to apoptosis can be promoted by reactive oxygen-bearing molecules, such as hydrogen peroxide and hydroxyl radicals, which antioxidants ordinarily keep in check. We previously showed that the toxic effects of Fenton's reagent were sufficiently reduced by preacclimation of microorganisms to high concentrations of hydrogen peroxide. Examples from Classical Literature Were it not for the expense, hydrogen peroxide would be the ideal bleaching agent for the animal fibers. The mouth must be regularly cleansed by an antiseptic mouth-wash, or by a spray of hydrogen peroxide. When hydrogen peroxide comes in contact with a catalyst, such as permanganate of potash, it breaks down into oxygen and water. It is a grey coloured powder which is readily decomposed by dilute acids with the production of hydrogen peroxide. A very widely distributed reducing enzyme is catalase which decomposes hydrogen peroxide. Dilute solution of hydrogen peroxide induces an acceleration of growth. Find more words! 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Words that rhyme with hydrogen peroxide What is the plural of hydrogen peroxide? Translations for hydrogen peroxide Use our Sentence Generator Nearby Words hydrogenous hydrogen bonds hydrogen bond hydrogenation hydrogenated hydrogenate hydrogens hydrogeologic hydrogeological hydrogeologist hydrogeology hydrograph