How To Use Hydrogen peroxide In A Sentence
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These liquids together form a very concentrated mixture of 10 percent hydroquinone and 28 percent hydrogen peroxide.
Modern Science in the Bible
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These solid bleaches contain ingredients like perborate or percarbonate - compounds that react in water to release hydrogen peroxide.
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To remove stains from clothing, try soaking fabrics in water mixed with borax, lemon juice, hydrogen peroxide, washing soda, or white vinegar.
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H. capsulatum yeasts as enumerated by hemacytometer with concentrations ranging from 0 to 1.0 mM of hydrogen peroxide (
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Finally, we should comment on the relative abundance of ozone and hydrogen peroxide at Cape Grim.
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Then by a miracle, the beetle develops the ability to produce hydroquinone and hydrogen peroxide and mix them in his combustion chamber.
Modern Science in the Bible
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Neutrophils from healthy volunteers were incubated with DFP (2.5 mM), and neutrophil elastase (NE) activity; hypodiploid DNA formation; caspases-3 and -8 processing and activity; exteriorization of phosphatidylserine (PS); oxidative burst activity and hydrogen peroxide release were measured.
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Subsequent oxidation-reduction reactions can also produce superoxide anions, hydrogen peroxide and hydroxyl radicals.
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Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed.
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And these individuals in Germany were handling hydrogen peroxide, which is very unstable, very, very difficult to manipulate.
CNN Transcript Sep 24, 2007
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Neutrophils from healthy volunteers were incubated with DFP (2.5 mM), and neutrophil elastase (NE) activity; hypodiploid DNA formation; caspases-3 and -8 processing and activity; exteriorization of phosphatidylserine (PS); oxidative burst activity and hydrogen peroxide release were measured.
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But hydrogen peroxide and hydroquinone don't react violently together unless a catalyst is added.
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In addition to producing lactic acid, lactobacilli also have the ability to produce hydrogen peroxide through oxidation of reduced nicotinamide adenine dinucleotide (NADH) by flavin nucleotide, which reacts rapidly with gaseous oxygen.
1 Upgrading Traditional Biotechnological Processes
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There is a third natural antioxidant enzyme called glutathione peroxidase which also reduces hydrogen peroxide to water.
The Antioxidant Health Plan
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In addition, markers of oxidative stress such as ceruloplasmin and clusterin were up-regulated as were genes related to hydrogen peroxide production.
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An EU ruling makes it illegal to supply hydrogen peroxide bleach at over 0.1 per cent concentration.
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Not only that, but high levels of hydrogen peroxide and low levels of MSR A and B disrupt the formation of yet another enzyme, called tyrosinase, that leads to the production of hair pigments.
The old gray hair, she ain’t what she used to be
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Glyphosate is mainly produced from two kinds of glycine and IDA; other raw materials include glycine, dimethyl phosphite, paraformaldehyde, iminodiacetic acetonitrile, diethanolamine, phosphorous acid, liquid caustic soda, sulfuric acid, hydrogen peroxide, and hydrochloric acid.
The Earth Times Online Newspaper
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As hydrogen peroxide decomposes to oxygen and water, the resulting rate of the evolution of oxygen and I 2 vary periodically.
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Common chemical bleaches include household chlorine bleach, a solution of approximately 3 – 6% sodium hypochlorite (NaClO), and oxygen bleach, which contains hydrogen peroxide or a peroxide-releasing compound such as sodium perborate, sodium percarbonate, sodium persulfate, tetrasodium pyrophosphate, or urea peroxide together with catalysts and activators, e.g. tetraacetylethylenediamine and/or sodium nonanoyloxybenzenesulfonate.
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It is not surprising to find a very high level of functional redundancy among enzymes involved in the detoxification of hydrogen peroxide.
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Each is about the size of a quarter and oval-shaped, and she swabs one of them, then drips isopropyl alcohol, then phenolphthalein, then hydrogen peroxide on the swab and it turns bright pink.
Predator
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This means more ozone around us; more hydrogen peroxide.
The Crisis of Life on Earth - our legacy from the second millenium
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This means more ozone around us; more hydrogen peroxide.
The Crisis of Life on Earth - our legacy from the second millenium
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The whitening treatment is carried out using hydrogen peroxide, which I was assured is completely safe.
Times, Sunday Times
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Electrons are transferred from cytoplasmic NADPH to oxygen on the phagosomal side of the membrane, generating the so-called reactive oxygen species, e.g., superoxide, hydrogen peroxide, hydroxyl radical, and singlet oxygen.
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Another major epoxide, propylene oxide, comes from propene reacting with organic hydroperoxides (more reactive equivalents of hydrogen peroxides).
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They also discovered that hair follicles could not repair the damage caused by the hydrogen peroxide because of low levels of enzymes that normally serve this function, known as MSR A and B.
IrishHealth.com
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Precoat with aqueous potash solution, then apply hydrogen peroxide, finally apply acid neutralizing agent. suitable for all wood species, removes blue stains, mould stains sodium hydrogen sulphite
12. Surface Treatment of Wood
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The Luminol and hydrogen peroxide undergo a chemical reaction.
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Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
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Triclosan (also found in some toothpastes) is a common active ingredient in washing-up liquids, and hydrogen peroxide is used as a sterilant for babies' feeding bottles.
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Memory sticks found in Mr. Sarwar's home contained information about detonating improvised explosive devices on aircraft, while in woods nearby police found a partially buried suitcase containing materials necessary to manufacture hexamethylene triperoxide diamine, or HMTD, and several dozen liters of hydrogen peroxide.
Three Guilty in U.K. Jet Bomb Plot
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After incubation, the color was developed with the peroxidase substrate (hydrogen peroxide) and the stable chromogen (diaminobenzidine).
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These versatile molecules function as catalysts in the hydrogen peroxide bleaching process.
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Another major epoxide, propylene oxide, comes from propene reacting with organic hydroperoxides (more reactive equivalents of hydrogen peroxides).
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In addition, normal cell growth could be restored by addition of catalase to the medium, breaking down the hydrogen peroxide to oxygen and water.
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In this method hydrogen peroxide is used to oxidate the excipient and major componet to eliminate the disturb of the excipients.
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Other chemicals Spry discussed include peracetic acid, hydrogen peroxide, formalin, and methyl methacrylate.
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Conventional treatment of tanks and ponds consists of substances like diuron, sodium chloride, hydrogen peroxide, titanium dioxide, and copper, but aside from their expense any one of these can lead to a cycle of greater dependency.
Ultrasound Makes Catfish Taste Better
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‘When glucose encounters the enzyme, hydrogen peroxide is produced, which quickly reacts with the ferricyanide to modulate the electronic structure and optical characteristics of the nanotube,’ Strano said.
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About 20 h after egg hatch, when the larvae on the resistant genotypes were still alive and the leaves with larvae were still furled, one leaf with larvae was removed from each plant and tested for the presence of hydrogen peroxide.
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Other chemicals Spry discussed include peracetic acid, hydrogen peroxide, formalin, and methyl methacrylate.
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For more serious stains, you may need to use a poultice - an absorbent compound, such as powdered whiting mixed with hydrogen peroxide - which will pull the stain out.
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Your last step is to blot the area with another clean cloth/towel and a capful of hydrogen peroxide until the stain is lifted.
Q&A: How do I deal with red wine spilled on my favorite wool rug?
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The concentration of hydrogen peroxide in the oceans is generally between 10-50 nM, and is always beening biotically generated.
SPM released « Climate Audit
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I managed to get the stain out with some hydrogen peroxide and a little scrubbing.
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Sodium Perborate monohydrate is similar to sodium percarbonate as a famous oxygen bleach agent. It offers many of the functional benefits as liquid hydrogen peroxide in a stable solid form.
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Thus, even though water and hydrogen peroxide are markedly polar substances, their compositions are correctly given by the covalencies of hydrogen and oxygen.
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Look for hydrogen peroxide instead of carbamide peroxide ingredients.
CNN Transcript Nov 4, 2004
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Nair et al. first demonstrated that aqueous extracts of areca nut and catechu were capable of generating superoxide anion and hydrogen peroxide at pH > 9.5.
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The disorder is associated with a build-up of the oxygen-related molecule hydrogen peroxide in the skin.
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The relationship between hydrogen peroxide-treated melanin and its biochemistry and photochemistry is important.
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Normally, an enzyme called catalase breaks hydrogen peroxide into water and oxygen, but as the hair follicles aged, that enzyme decreased.
The old gray hair, she ain’t what she used to be
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Before immunostaining, the slides were dewaxed and endogenous peroxidase activity was blocked with 0.45% hydrogen peroxide in 99% ethanol for 15 minutes.
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Armadillo's rocket concept makes use of a hydrogen peroxide monopropellant.
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Without catalysis, hydrogen peroxide decomposes slowly over time to form water and oxygen gas.
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Now, hydrogen peroxide is VERY oxidative, so in addition to breaking the law, you are also driving a lot of oxidative reactions.
Wine, allergies, histamines and sulfites - reactions from an allergist | Dr Vino's wine blog
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He points to an Earth bug called the bombardier beetle that produces a boiling-hot spray that is 25 percent hydrogen peroxide as a defense weapon.
Is This Really Necessary? « UDreamOfJanie
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He loved to pull pranks, like pulling a rubber glove over his head, or gargling with hydrogen peroxide to make his tongue turn white, or laying out pixie stick powder in lines and snorting it.
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A woman whose mother was a Christian Scientist recalls the belabored feeding her family undertook to maintain their health: fasts, cleanses, fermentation and raw food, hydrogen peroxide from the bottle, apple-cider vinegar, barley grass.
It’s Not Just White Girls
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The invention discloses a method for sterilizing sewage by hydrogen peroxide-titanium dioxide photocatalysis and adopts the titanium dioxide photocatalysis and hydrogen peroxide to treat the sewage.
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But suffice it to say that it is concentrated hydrogen peroxide mixed with flour, attached to a very crude detonator, which is, again, a very crude about four gallon plastic container.
CNN Transcript Mar 12, 2007
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Since then hydrogen peroxide has been made much more difficult to obtain in Britain.
Times, Sunday Times
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Newer methods of sterilization include alternatives to ethylene oxide, such as low temperature hydrogen peroxide gas plasma and peracetic acid.
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Briefly, plasma lactic acid is converted to pyruvate and hydrogen peroxide by lactate oxidase.
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The activity of the peroxidases was measured in 200 mM sodium acetate buffer pH 5.4 containing 1.4 mM 3,3, '5,5'-tetramethylbenzidine as the reducing substrate, 200 M hydrogen peroxide, 0.3% cetrimide, and 10% dimethylformamide.
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Remarkable results in curing the flu and cold within 12 to 14 hours by administering a few drops of 3% hydrogen peroxide (H2O2) into each infected ear, (sometimes only one ear is infected) have been reported.
A long season begins -- and we don't mean football (Jack Bog's Blog)
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But after weeks or months submerged in water, what remains is an off-white amassment of curvilinear bones that can be washed and whitened with hydrogen peroxide to be labelled and placed in a display case for the remainder of time.
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Catalase acts as a free radical scavenger by neutralizing superoxide radical anion and hydrogen peroxide.
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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.
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Of the above-mentioned chemical species only hydrogen peroxide is relatively stable and able to penetrate the plasma membrane as an uncharged molecule.
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Hydrogen peroxide solutions for kinetic experiments were prepared by dilution of a 30% aqueous solution and were standardized by iodimetry.
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At present, the development trend of hydrogen peroxide catalyst bed is high bed flux, short bed length and easy to assemble, good start capability, long work life.
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Peroxidases are haem-containing enzymes which mediate oxidation of a variety of molecules using hydrogen peroxide as an electron acceptor.
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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.
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This means more ozone around us; more hydrogen peroxide.
The Crisis of Life on Earth - our legacy from the second millenium
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a system generating hydrogen peroxide
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Another option to help reduce discomfort and speed healing is dabbing a mixture of equal parts water and hydrogen peroxide directly on the sore, followed by a bit of milk of magnesia.
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Some substances are capable of acting either as reductants or as oxidants, e.g., hydrogen peroxide and nitrous acid.
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Lay an absorbent cloth soaked in hydrogen peroxide directly over the stain; put an ammonia-saturated cloth on top of this.
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These versatile molecules function as catalysts in the hydrogen peroxide bleaching process.
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Hydrogen peroxide attacks an enzyme called tyrosinase, which starts the production of melanin.
COSMOS magazine - The science of everything
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Based on the circumstances surrounding the ban, I would suggest that it has to do with the amount of concentrated hydrogen peroxide necessary to make carbon/oxidiser explosives sufficient to down an airplane.
The Volokh Conspiracy » The World’s Youngest Suspected Terrorist
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Injecting your patient with hydrogen peroxide instead of lidocaine, I believe.
WILD JUSTICE
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Finally, we should comment on the relative abundance of ozone and hydrogen peroxide at Cape Grim.
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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.
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I lay back in the chair as guards were fitted, hydrogen peroxide gel applied and my teeth gently warmed.
Times, Sunday Times
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Low applied voltage, low conductivity of solution and small discharge gap are favorable for the production of hydrogen peroxide per unit electric energy.
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He points to an Earth bug called the bombardier beetle that produces a boiling-hot spray that is 25 percent hydrogen peroxide as a defense weapon.
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The fuel, hydrogen peroxide, is contained within a small cartridge.
Prosthetic Arm Powered by Rocket Fuel | Impact Lab
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Although hydrogen peroxide functions as a disinfectant, it contains toxins harmful to the health.
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Formation of ROS occurs through several univalent reduction steps, yielding first the superoxide anion, then hydrogen peroxide and the hydroxyl radical, and finally water.
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Jetpacks use hydrogen peroxide monopropellant, normally 70% to 85% concentration, with silver-mesh catalyst to decompose the peroxide.
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When the enzyme catalase is added to the hydrogen peroxide solution, the activation energy is lowered even further to 4 kJ / mol.
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The whitening treatment is carried out using hydrogen peroxide, which I was assured is completely safe.
Times, Sunday Times
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The solution used to bleach hair softens and swells the cuticles cells, but it also contain hydrogen peroxide to release oxygen.
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Inside is a solution of an oxalate ester and a fluorescent dye, as well as a smaller glass tube that contains hydrogen peroxide.
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Ultraviolet light, hydrogen peroxide and ozone assure crystal-clear, clean water.
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A peroxidase/phenolics/ascorbate system can scavenge hydrogen peroxide in plants.
Effects of ultraviolet-B on forest vegetation in the Arctic
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Virtually all pathogenic bacteria, viruses and fungi are anaerobic and will be killed by hydrogen peroxide.
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Some physicians recommend that patients douche with dilute vinegar or hydrogen peroxide for relief. [4,10]
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In addition to producing lactic acid, lactobacilli also have the ability to produce hydrogen peroxide through oxidation of reduced nicotinamide adenine dinucleotide (NADH) by flavin nucleotide, which reacts rapidly with gaseous oxygen.
1 Upgrading Traditional Biotechnological Processes
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As to the chemicals found on the farm, Washington testified that eight of them could have been used to manufacture MDA: isosafrole, formamide, formic acid, sulfuric acid, hydrochloric acid, hydrogen peroxide, toluidine, acetone, and methanol.
The Courts, DEA and Drugs by RBrennan
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Initially, hydrogen peroxide is produced in trace amounts because another enzyme called catalase (an enzyme that helps to break down hydrogen peroxide into harmless water and oxygen) is present.
Undefined
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Briefly, the sections were dewaxed and then placed in 30% hydrogen peroxide solution to block endogenous peroxidase.
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They have devised an ultrasound hydrogen peroxide vapor inhalator that allows oxygen radicals to be generated and breathed in.
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Detection was completed using HRP-mediated hydrogen peroxide immunostaining (AEC+, DAKO), with hematoxylin as a counterstain.
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Fish breeders regularly add disinfectants, including methylene blue, acriflavine, hydrogen peroxide and chloramine-t to batches of eggs - particularly those of egg-depositing species, such as cichlids - in an attempt to prevent the broods becoming infected by pathogenic fungi.
Practical Fishkeeping news (RSS)
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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.
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As to the chemicals found on the farm, Washington testified that eight of them could have been used to manufacture MDA: isosafrole, formamide, formic acid, sulfuric acid, hydrochloric acid, hydrogen peroxide, toluidine, acetone, and methanol.
The Courts, DEA and Drugs by RBrennan
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Common bleaching agents are hydrogen peroxide, sodium hypochlorite, sodium chlorite and sodium perborate.
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Hydrogen peroxide content is determined by titrating with standardized ceric sulfate to pale blue endpoint using ferroin indicator.
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Benzoyl peroxide rapidly decomposes into benzoic acid and hydrogen peroxide and is also safe.
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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.
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Degradation of hydrogen peroxide via catalase produced by bacterial cells, including nonviable cells, requires a concerted systems effort by a group of bacteria.
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Be warned, though - many of the more extreme techniques incorporate the use of hydrogen peroxide bleach and are not endorsed under EU laws.
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On top of that it must produce three highly concentrated chemicals: hydroquinone, hydrogen peroxide, and a catalyst.
Modern Science in the Bible
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Hydrogen peroxide production through fuel cell reactor is an environment - friendly preparation process.
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On non-washable materials try a little borax or hydrogen peroxide to get the last traces out.
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‘So far, the most effective way we've found to break down the fiber is to pretreat it with mild acid and then with alkaline hydrogen peroxide,’ says Bothast.
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The active ingredient in the bleaching gel is hydrogen peroxide or carbamide peroxide - as it breaks down, oxygen gets into the tooth enamel, removing deep stains and natural yellowness which can't be removed by external cleaning alone.
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Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
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During phagocytosis, monocytes, neutrophils and macrophages generate Superoxide radicals, hydrogen peroxide and the highly reactive hydroxyl radicals3.
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I lay back in the chair as guards were fitted, hydrogen peroxide gel applied and my teeth gently warmed.
Times, Sunday Times