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How To Use Hydroxyl In A Sentence

  • (, increases the rate of NADP oxidation by 4-hydroxy - benzoate, no hydroxylation during subsequent reoxidation by O2 [2]) [2] Turnover number (min±1) 21.6 Recently Uploaded Slideshows
  • Cyclohexanone monooxygenase 1.14.13.22 1 Nomenclature EC number 1.14.13.22 Systematic name cyclohexanone: NADPH: oxygen oxidoreductase (6-hydroxylating, 1,2-lacto - nizing) Recommended name cyclohexanone monooxygenase Synonyms CHMO Recently Uploaded Slideshows
  • In the atmosphere the hydroxyl radicals oxidise nitrates to form ozone.
  • Chitosan is one of the most abundant natural polymers, This biopolymer has useful functional groups such as hydroxyl and amine, so it can interact with metal ions.
  • Qian JJ, Duncan BW, Adzick NS, Bhatnagar RS: Regulation of prolyl hydroxylase by ascorbic acid is mediated by polyADP-ribose synthesis. CHOP scarless fetal wound healing publications
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  • Listed are several of these oxidizing reactions. alcohol dehydrogenation aldehyde dehydrogenation alkyl/acyclic hydroxylation aromatic hydroxylation deamination desulfuration Biotransformation
  • Objective To establish a method with high efficiency in detecting phenylalanine hydroxylase(PAH) gene mutations and hence to rapidly diagnose prenatal fetals with phenylketonuria .
  • The spacing between the protruding oxygen atoms is comparable to the spacing between certain of the hydroxyl groups in layers of magnesium hydroxide (brucite) or aluminum hydroxide (gibbsite).
  • If the carboxyl of the first molecule combines with a hydroxyl of the second molecule (ester formation), then a substance possessing character similar to that of a hydroxybenzoic acid is formed, which is capable of combining up with a further molecule in the same way. Synthetic Tannins
  • The effect of hydroxylation of the long fatty acid chain may also promote the adhesion by its participation in hydrogen bonding.
  • It may be prepared by the action of ammonia on diazobenzene perbromide; by the action of hydroxylamine on a diazonium sulphate (K. Heumann and L. Oeconomides, Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
  • This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids.
  • Our study has shown that CDA-II was a good scavenger of hydroxyl radical, and it inhibited lipid peroxidation in brain homogenates.
  • The carbonyl group can be broken down by the action of hydrogen cyanide; a hydroxyl group and a nitrile group are formed in this reaction.
  • Salicylate 1-monooxygenase 1.14.13.1 1 Nomenclature EC number 1.14.13.1 Systematic name salicylate, NADH: oxygen oxidoreductase (1-hydroxylating, decarboxylating) Recommended name salicylate 1-monooxygenase Synonyms oxygenase, salicylate 1-mono - salicylate 1-hydroxylase salicylate hydroxylase (decarboxylating) salicylate monooxygenase salicylic hydroxylase CAS registry number 9059-28-3 2 Source Organism Recently Uploaded Slideshows
  • The study also found that infants with insufficient serotonin also had low levels of the enzyme tryptophan hydroxylase, which is needed to make serotonin. KING - Home
  • By subjecting this lower layer to fractional distillation under 60 mm. pressure, it was separated into three fractions, of which the first contained 27 per cent. of hydroxylamine, the second 60 per cent., and the third crystallized in the ice-cooled receiver in long needles. Scientific American Supplement, No. 841, February 13, 1892
  • Many chrome dyes are normal acid azo dyes containing hydroxyl or amino substituents in the ortho position to the azo linkage.
  • The parasite infects the brain by forming a cyst within its cells and produces an enzyme called tyrosine hydroxylase, which is needed to make dopamine. GEN News Highlights
  • The number of vicinal hydroxyl groups corresponds to the chemical and biological activity of the compound; thus kaempferol is often less active than quercetin and myricetin.
  • 256, 4345 - 4349 (1981) [11] Atsuta, Y.; Okuda, K.: Isolation of rat liver mitochondrial ferredoxin and its reductase active in the 5b-cholestane-3a,7a,12a-triol 26 hydroxylase. Recently Uploaded Slideshows
  • It appears generally that hydroxylated indoles undergo photodegradation more readily than nonhydroxylated derivatives.
  • A glycol is an aliphatic organic compound in which two hydroxyl groups are present.
  • Subsequent oxidation-reduction reactions can also produce superoxide anions, hydrogen peroxide and hydroxyl radicals.
  • After estrone hydroxylation, the various poly-hydroxy derivatives are conjugated with glucuronate or sulfate, or methylation occurs prior to excretion in urine.
  • These compounds differ in the level of oxidation of the flavane nucleus and in the number and position of hydroxyl, methyl, and methoxyl substituents.
  • Hydroxylation of vitamin D gives a derivative that will increase intestinal absorption of calcium and phosphates.
  • As the mercury chloride is reconverted into hydrochloric acid by the hydrogen sulphide, and as the hydroxylamine does not neutralise to litmus the hydrochloric acid combined with it, there is an equal amount of hydrochloric acid free or available in the two solutions. Nitro-Explosives: A Practical Treatise
  • The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
  • Arinc, E.; Aydan, A.: Lung microsomal p-nitrophenol hydroxylase - charac - terization and reconstitution of its activity. Recently Uploaded Slideshows
  • The freeze-dried samples were redissolved in 0.2% hydroxylammonium chloride.
  • Soy protein is inexpensive and renewable, but it lacks the unique amino acid with phenolic hydroxyl groups that provide adhesive properties.
  • S.; Hoshita, N.; Okuda, K.: Enzymatic characteristics of CO-sen - sitive 26-hydroxylase system for 5b-cholestane-3a,7a,12a-triol in rat-liver mitochondria and its intramitochondrial localization. Recently Uploaded Slideshows
  • All carbocations are strong alkylating agents with a high affinity for groups which donate or share their electrons, such as halide ions, hydroxyl anions and amines.
  • It was reasoned that the free amino groups on lysine and hydroxylysine, known to be present in Type-I collagen, served as the primary nucleophilic sites for the ketene amide intermediate.
  • If the hydroxyl group is bound to a carbon atom that is itself bound to three other carbon atoms then the resultant alcohol is a tertiary alcohol.
  • PHD2 seems to be responsible for the hydroxylation, and hence the proteolysis of, HIF-α, PHD3 appears to hydroxylate the α-subunit during reoxygenation. Conservapedia - Recent changes [en]
  • The suppression of the photodynamic potency of aluminum phthalocyanines was attributed to desorption of the dyes from lipid bilayers induced by fluoride or hydroxyl ions.
  • Both women and men with lupus have been found to have increased concentrations of 16 - hydroxylated estrogens in the serum.
  • Cerebrotendinous Xanthomatosis (CTX) is a rare, autosomal recessive metabolic disorder caused by mutations in a gene called CYP27A1, which produces an enzyme called sterol 27-hydroxylase. MMD Newswire: Press Release News Wire
  • It is the chemical that gets into the body via smoke but then is converted by enzymes called aryl hydrocarbon hydroxylases into a more potent chemical that is the epoxide of BP. The New Super-Nutrition
  • R.M.; Croteau, R.B.: Molecular clon - ing of a cytochrome P450 taxane 10b-hydroxylase cDNA from Taxus and functional expression in yeast. Recently Uploaded Slideshows
  • Higgins, I.J.: Electron transport in a flavoprotein, orcinol hydroxylase. Recently Uploaded Slideshows
  • 201, 215-219 (1982) [4] Royce, P.M.; Barnes, M.J.: Failure of highly purified lysyl hydroxylase to hydroxylate lysyl residues in the non-helical regions of collagen. Recently Uploaded Slideshows
  • Then, the hydroxylapatite crystals of enamel demineralize, allowing for greater bacterial invasion deeper into the tooth. Top Stories - Google News
  • Agricultural wastes are now becoming viable alternatives since they are abundantly available, much cheaper and have various functional groups such as carboxylic acid, ester, carboxylate, hydroxyl, phenolic and amino that can act as adsorption sites for heavy metal ions. Innovations-report
  • Electron - withdrawing groups attached to the carbon containing the hydroxyl group will serve to stabilize the alkoxide when formed, thus resulting in greater acidity. Recently Uploaded Slideshows
  • In these particular environments, the iron hydrolyzes essentially, as hydroxyls begin to agglomerate around the iron and settle down to the bottom of this lake material.
  • Alkaline earth metal ions more readily bind ‘hard’ ligands such as phosphates, carboxylates, and hydroxyl groups.
  • Amoxapine is hydroxylated by the liver and has an average half-life of 8 hours.
  • This work, carried out between 1882 and 1906 showed that various substances, little known at that time, such as adenine, xanthine, in vegetable substances, caffeine and, in animal excrete, uric acid and guanine, all belonged to one homogeneous family and could be derived from one another and that they corresponded to different hydroxyl and amino derivatives of the same fundamental system formed by a bicyclic nitrogenous structure into which the characteristic urea group entered. Emil Fischer - Biography
  • Bromine and iodine react in a remarkable manner with free hydroxylamine. Scientific American Supplement, No. 841, February 13, 1892
  • 129, 485-492 (1985) [2] Reddy, C.C.; Vaidyanathan, C.S.: Purification and properties of benzoate-4 - hydroxylase from a soil pseudomonad. Recently Uploaded Slideshows
  • The hydroxyl radical is very damaging and can react with many substances.
  • It is noteworthy that the values obtained for the wild type in cells grown in the presence of molybdate are lower for nitrate reductase and nicotinate hydroxylase.
  • 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.
  • Microsomal enzyme levels such as P - 450, reductase, and aniline hydroxylation enzyme were also restored to normal levels after Solanum alatum administration.
  • Purification and properties of orcinol hydroxylase from Pseudo - monas putida 01. Recently Uploaded Slideshows
  • It is hydroxylated to an active form in the liver, influenced by the level of serum calcium.
  • In these particular environments, the iron hydrolyzes essentially, as hydroxyls begin to agglomerate around the iron and settle down to the bottom of this lake material.
  • A xenobiotic that has undergone a Phase I reaction is now a new intermediate metabolite that contains a reactive chemical group, e.g., hydroxyl (- OH), amino (- NH2), and carboxyl (- COOH). Biotransformation
  • Hydroxyl radicals oxidize amino acids such as lysine, serine, arginine, and proline.
  • Recommended name anthranilate 3-monooxygenase (deaminating) Synonyms EC 1.14.12.2 (formerly) anthranilate 2,3-dioxygenase (deaminating) anthranilate 2,3-hydroxylase (deaminating) anthranilate hydroxylase anthranilate hydroxylase (deaminating) anthranilic hydroxylase CAS registry number 37256-68-1 2 Source Organism Recently Uploaded Slideshows
  • Compounds in which two hydroxyl groups are attached to the same carbon atom (geminal diols) normally cannot be isolated.
  • The lab currently studies the hypoxia signaling, prolyl hydroxylases and cancer, specifically breast and renal cell carcinoma.
  • Beads from the toy contained an adhesive solvent called "1,4 butylene glycol," which can simulate the drug gamma hydroxyl butyrate when ingested, causing seizures, coma or death, said the toy's Australian manufacturer, Moose Enterprise. Enel's Energy Play in Russia
  • Hydroxylation of the A-ring of taxifolin by a soil pseudomonad. Recently Uploaded Slideshows
  • Water always contains small quantities of two ions, hydronium ions and hydroxyl ions (OH -).
  • As a clarification of the above, molecular oxygen, as I understand it, is necessary for the post-transcriptional hydroxylation of proline to hydroxyproline - ie the oxygen in the hydroxyproline does not come from water, but is added from an O2 molecule by an oxygenase enzyme. ScienceBlogs Channel : Life Science
  • C.C.; Walsh, C.: The stereochemistry of NADH utilization by the flavoenzyme monooxygenase orcinol hydroxylase. Recently Uploaded Slideshows
  • Listed are several of these oxidizing reactions. alcohol dehydrogenation aldehyde dehydrogenation alkyl/acyclic hydroxylation aromatic hydroxylation deamination desulfuration Biotransformation
  • C.1000 provides a potent dosage of this key vitamin and is blended with Bioflavonoids, which help promote the function of Vitamin C. Vitamin C.is a reducing sugar (has a reactive ene-diol structure) that is involved in biochemical processes such as hydroxylation of proline and lysine utilized in the formation of collagen and healthy connective tissue. Wil's Ebay E-Store
  • Modifications of proteins that depend upon vitamin C as a cofactor include proline and lysine hydroxylations.
  • Professor George Rossman, of the California Institute of Technology, said: "If you heat up the apatite, the hydroxyl ions will" decompose "and come out as water. Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph
  • Kinney's team found that serotonin levels were 26 percent lower in tissue from babies who died of SIDS than those who died from other causes, and they also found low levels of the enzyme tryptophan hydroxylase, which is needed to make serotonin. Reuters: Top News
  • T.; Kaidoh, T.; Itagaki, E.: Hydroxylation of o-halogen - ophenol and o-nitrophenol by salicylate hydroxylase. Recently Uploaded Slideshows
  • Flavonoid 3'-monooxygenase 1.14.13.21 1 Nomenclature EC number 1.14.13.21 Systematic name flavonoid, NADPH: oxygen oxidoreductase (3'-hydroxylating) Recommended name flavonoid Recently Uploaded Slideshows
  • Glycerol is a trihydric alcohol, which means each molecule has three hydroxyl groups.
  • The liquid eventually separated into two layers, an upper ethereal layer containing about 5 per cent. of hydroxylamine, and a lower layer containing over 50 per cent. of hydroxylamine, the remainder of the methyl alcohol, and a little dissolved salt. Scientific American Supplement, No. 841, February 13, 1892
  • Fine-changing the structure, namely, substituting the hydroxyl group in the cyclic imide ring of 4 by a methylester group, triggers accumulation of 5 in the lipid droplets.
  • All alcohols carry a hydroxyl substituent (- OH), so they too have oxygen atoms in them. Yahoo! Answers: Latest Questions
  • Vitamin D then undergoes hydroxylation to calcidiol (25-OHD3) in the liver and becomes the major circulating form, and then to calcitriol (vitamin D3 hormone; 1alpha 25 - (OH) 2D3) in the kidney. 1alpha, 25 - (OH) 2D3 is carried systemically to distal target organs where it binds to a vast array of nuclear receptors to generate its appropriate biological response. Potential impacts of direct mechanisms of climate change on human health in the Arctic
  • Reduction of FAD by NADPH is slower by 100fold, the mutant en - zyme reacts with oxygen to form 25% oxidized enzyme and 75% flavin hy - droperoxide, which successfully hydroxylates the substrate. Recently Uploaded Slideshows
  • Chemically, tannins are complex phenolic polymers containing aliphatic and phenolic hydroxyl groups and in some cases, carboxyl groups. Chapter 4
  • Orcinol 2-monooxygenase 1.14.13.6 1 Nomenclature EC number 1.14.13.6 Systematic name orcinol, NADH: oxygen oxidoreductase (2-hydroxylating) Recommended name orcinol 2-monooxygenase Synonyms orcinol hydroxylase oxygenase, orcinol 2-mono CAS registry number 37217-34-8 2 Source Organism Recently Uploaded Slideshows
  • P.A.; Groocock, M.R.; Blacker, A.J.; Goode, P.; Dalton, H.: Stereoselective benzylic hydroxylation of 2-substituted indanes using toluene dioxygenase as biocatalyst. Recently Uploaded Slideshows
  • Systematic name anthranilate, NADPH: oxygen oxidoreductase (3-hydroxylating, deaminating) Recently Uploaded Slideshows
  • Through a process known as hydroxylation, beta-carotene is converted into other carotenoids that can cut the amount of pro-vitamin A that is created through digestion in half, or eliminate it altogether. PhysOrg.com - latest science and technology news stories
  • Glycerol is a trihydric alcohol because it contains three hydroxyl or alcohol groups.
  • The results showed that there was some relationship between the hydroxylation rates of leaves and cell strains. Chapter 8
  • Both the free hydroxyl groups readily undergo esterification.
  • Free hydroxylamine, NH_ {2} OH, has been isolated by M. Lobry de Bruyn, and a preliminary account of its mode of preparation and properties is published by him in the current number of the _Recueil des travaux chimiques des Pays-Bas_ (1891, 10, 101). Scientific American Supplement, No. 841, February 13, 1892
  • A substance such as glycine (this name too comes from the Greek word for "sweet"), which is not related to the sugars and does not possess an ordinary hydroxyl group, is sweet to the taste. The Human Brain
  • The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.
  • The same solution, after removal of mercury, titrated by iodine for hydroxylamine, gave nitrogen equal to 9.85 per cent., and when evaporated with hydroxyl ammonium chloride equal to 9.55 per cent. Nitro-Explosives: A Practical Treatise
  • In an independent experiment, they demonstrated that unmodified fullerenes form the highly-reactive superoxide radical, but fully hydroxylated fullerenes do not.
  • Glycerol is a polyhydroxy alcohol containing three carbon atoms and three hydroxyl groups.
  • It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds. BBC News - Home
  • Thymine dioxygenase 1.14.11.6 1 Nomenclature EC number 1.14.11.6 Systematic name thymine,2-oxoglutarate: oxygen oxidoreductase (7-hydroxylating) Recommended name thymine dioxygenase Synonyms 5-hydroxy-methyluracil dioxygenase 5-hydroxy-methyluracil oxygenase thymine 7-hydroxylase thymine dioxygenase CAS registry number 37256-67-0 2 Source Organism Recently Uploaded Slideshows
  • Twelve 20 - hydroxyl ester analogues of camptothecin were prepared and evaluated in vitro antitumor activity.
  • Kasparian says that the laser pulses generate clouds by stripping electrons from atoms in air, which encourage the formation of hydroxyl radicals. Scientists Create Laser to Generate Clouds that Could Trigger Rain on Demand | Impact Lab
  • (, increases the rate of NADP oxidation by 4 - hydroxybenzoate, no hydroxylation during subsequent reoxidation by O2 [2]) [2] 5-hydroxypicolinate Recently Uploaded Slideshows
  • = (6S) - hydroxyhyoscyamine + succi - nate + CO2 Reaction type decarboxylation epoxidation hydroxylation 82 Recently Uploaded Slideshows
  • Brazil is the main source of gem topaz (an aluminium silicate fluoride in which hydroxyl ions replace some of the fluorine ions) Topaz can be colourless, blue, and rarely pink as well as the more familiar yellow.
  • The intra-molecular potential was parameterized to simulate a rigid structure with surface hydroxyl groups that are free to rotate in an AMBER-style torsional potential.
  • Also, the energy has such a large negative value, because the cholesterol hydroxyl interaction with the phosphate group involves several electronegative phosphate oxygens.
  • In contrast, when the 4'-ketone group of ABA is reduced to form the diols then the 1'-oxygen becomes labile and exchanges and even epimerizes and so also does the oxygen atom of the 4'-hydroxyl group.
  • Recommended name unspecific monooxygenase Synonyms 3AH15 6 b-hydroxylase 6-b-testosterone hydroxylase aldehyde oxygenase arachidonic acid epoxygenase brain aromatase CYP102 Recently Uploaded Slideshows
  • The first step (hydroxylation) is separated from the latter two (oxidative cyclization and desaturation) by the action of EC Recently Uploaded Slideshows
  • Listed are several of these oxidizing reactions. alcohol dehydrogenation aldehyde dehydrogenation alkyl/acyclic hydroxylation aromatic hydroxylation deamination desulfuration Biotransformation
  • Phenol has the functional hydroxyl group that is then conjugated by a Phase II reaction (sulphation) to phenyl sulfate. Biotransformation
  • Hydroxyl radicals oxidize amino acids such as lysine, serine, arginine, and proline.
  • Bone density in primary amenorrhea patients was lower than normal controls, except in CAH with 21 hydroxylase deficiency it was higher than controls.
  • Pentosan polysulfate sodium (pentosan) is a semi-synthetic drug manufactured from beech-wood hemicellulose by sulfate esterification of the xylopyranose hydroxyl groups. BioMed Central - Latest articles
  • Hydroxyl groups in the cellulose molecule cause rayon to absorb water; in the dry state the fibers are hydrogen bonded, and dry rayon retains its strength even at high temperatures.
  • (As shown below, sufficiently high aspartame doses, which transiently exceed the liver's capacity to hydroxylate phenylalanine, can also potentiate seizures in rodents, whether these seizures are generated by drugs, electroshock, or inhalation of fluorothyl.) Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame
  • This analysis indicated that, tentatively, increased stem elongation was accompanied by a promotion of cutin monomer hydroxylation.
  • Flavonoids are plant derivatives of flavone with various degrees of hydroxylation and glycosidic substitutions.
  • (enzyme was re - named into 27-monooxygenase because it hydroxylates the methyl group in position 27 [7]) [7] 5b-cholestane-3a,7a,12a-triol hydroxylase cholestanetriol Recently Uploaded Slideshows
  • < 2,3 > pMMO: 2 iron molecules per mol of enzyme [23]; < 2,3 > sMMO: the a-subunit of component A contains a non-haem bis-mi - cro-hydroxo-bridged binuclear iron centre [23]; cytochrome component contains 1 atom iron per molecule [2]; protein A, hydroxylase compo - nent: contains a binuclear iron center [4]; Recently Uploaded Slideshows
  • Higgins, I.J.; Ribbons, D.W.: Stereospecificity of hydride transfer in the flavin mono-oxygenase orcinol hydroxylase. Recently Uploaded Slideshows
  • In the studies conducted to determine the influence of macroelements, carbon sources, and light on hydroxylation capacity of the cell cultures, it was found that there was no absolute correlation between the hydroxylation capacity of the plants and that of the cell cultures. Chapter 8
  • Although most people prefer "natural" ingredients, the use of artificial flavor preservatives (with butylated hydroxyl anisole, or BHA; and butylated hydroxyltoluene, or BHT) is not necessarily a bad thing. TheHorse.com News
  • The C13 Sγ sulfhydryl group hydrogen bonds to hydroxyl side chain of residue S10 and makes van der Waals contacts with residues R92 and P93. PLoS ONE Alerts: New Articles
  • Covalent bonds between the anomeric hydroxyl of a cyclic sugar and the hydroxyl of a second sugar (or another alcohol containing compound) are termed glycosidic bonds, and the resultant molecules are glycosides.
  • Then, it can react with almost all end groups found in biological molecules such as amines, amides, hydroxyls, sufhydryls, reactive hydrogen atoms from aromatic amino acids, etc; the aldehyde combination result in the attachment of various hydroximethyl adducts at the original end groups Schematic view of formaldehyde fixation stages. PLoS ONE Alerts: New Articles
  • These water molecules are ripped apart and change into hydroxyl anions, each of which is negatively charged and has one oxygen ion with a proton attached.
  • When this hydroxyl group is then methylated to give there is a very significant, 3000-fold, decrease in inhibitor binding.
  • The enzyme, pulsed with ATP and 14C-glutamate, was chased with unlabeled glutamate plus hydroxylamine. Irwin Rose - Autobiography
  • The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
  • In addition, the activity of the rate limiting enzyme in dopamine synthesis, tyrosine dehydroxylase (TH), is altered under several types of heterotypic stresses in PLoS ONE Alerts: New Articles
  • In the stratosphere, the source gases are converted through photolysis and reaction with the hydroxyl radical to inorganic species of bromine, chlorine, and fluorine. Factors affecting arctic ozone variability in the Arctic
  • One particular pleasure of that period was the development of the methoxyl-trityl family of protecting groups for nucleoside-5'-hydroxyl groups (one synthesis of trimethoxytritanol erupted and left a large orange stain on the laboratory ceiling); this class of protecting group is still in use in modern automated syntheses of DNA and RNA fragments. Michael Smith - Autobiography
  • For instance, in the case of the two active stereoisomers we showed that only the stereochemistry at the amine and hydroxyl functions on the scaffold were important - the third chiral centre is not.
  • It appears that boron may be needed to activate hydroxylate specific steroid hormones such as vitamin D, testosterone, and estradiol. The New Super-Nutrition
  • In a similar way, sheets of octahedra are formed from aluminium, oxygen and hydroxyl groups.
  • Different functionality may be introduced by using comonomers such as methacrylic acid (carboxylic acid groups) or hydroxy ethyl acrylate (hydroxyl groups).
  • In mice and tobacco, this was overcome by over-expression of prolyl hydroxylase , analogous to what has been done in yeast and insect cell culture.
  • His chirally catalyzed epoxidation and dihydroxylation reactions have given us new possibilities for also building complex molecules. The Nobel Prize in Chemistry 2001 - Presentation Speech
  • M.; Little, D.B.; Schalk, M.; Croteau, R.: Hydroxylation of limonene enantiomers and analogs by recombinant (-) - limonene 3 - and 6-hydroxy - lases from Mint (Mentha) species: Evidence for catalysis within sterically constrained active sites. Recently Uploaded Slideshows
  • The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
  • Betacynin biosynthesis starts by the oxidation of tyrosine to dopa by a tyrosine hydroxylase.
  • The presence of two hydroxyl groups permits the formation of hydrogen with water, thereby favoring miscibility with the latter.
  • References [1] Stubbe, J.: Identification of two a-ketoglutarate-dependent dioxygenases in extracts of Rhodotorula glutinis catalyzing deoxyuridine hydroxylation. Recently Uploaded Slideshows
  • Kuriyama, G. E. Rauscher, and P. Y. Sze, Effect of acute and chronic administration of ethanol on the 5-hydroxytryptamine turnover and tryptophan hydroxylase activity of the mouse brain, Brain Research 26 1971: 450-54. Alcohol and The Addictive Brain
  • However, some children display slow hydroxylation and clear tricyclic antidepressants more slowly.
  • Formation of ROS occurs through several univalent reduction steps, yielding first the superoxide anion, then hydrogen peroxide and the hydroxyl radical, and finally water.
  • These animals hydroxylate proline by some alternative means. ScienceBlogs Channel : Life Science
  • This work, carried out between 1882 and 1906 showed that various substances, little known at that time, such as adenine, xanthine, in vegetable substances, caffeine and, in animal excrete, uric acid and guanine, all belonged to one homogeneous family and could be derived from one another and that they corresponded to different hydroxyl and amino derivatives of the same fundamental system formed by a bicyclic nitrogenous structure into which the characteristic urea group entered. Emil Fischer - Biography
  • It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds. BBC News - Home
  • Benzoyl-CoA 3-monooxygenase 1.14.13.58 1 Nomenclature EC number 1.14.13.58 Systematic name benzoyl-CoA, NADPH: oxygen oxidoreductase (3-hydroxylating) Recommended name benzoyl-CoA Recently Uploaded Slideshows
  • Mechanism: 4-hydroxyphenylacetate binds to C1, then the enzyme-bound flavin is reduced by NADH, this reduced flavin is transferred to C2 and the reoxidation of the flavin occurs concurrently with the hydroxylation of the substrate dehydration of the C4a-hydroxy - flavin is the rate-determining step in catalysis Recently Uploaded Slideshows
  • Look for products that contain alpha or beta hydroxyl acids, antioxidants or retinoids; they help speed up cell renewal.
  • Although most people prefer "natural" ingredients, the use of artificial flavor preservatives (with butylated hydroxyl anisole, or BHA; and butylated hydroxyltoluene, or BHT) is not necessarily a bad thing. TheHorse.com News
  • Magnesium-protoporphyrin IX 1.14.13.81 monomethyl ester (oxidative) cyclase 1 Nomenclature EC number 1.14.13.81 Systematic name magnesium-protoporphyrin-IX 13-monomethyl ester, NADPH: oxygen oxido - reductase (hydroxylating) Recommended name magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase Synonyms Mg-protoporphyrin IX monomethyl ester Recently Uploaded Slideshows
  • C.1000 provides a potent dosage of this key vitamin and is blended with Bioflavonoids, which help promote the function of Vitamin C. Vitamin C.is a reducing sugar (has a reactive ene-diol structure) that is involved in biochemical processes such as hydroxylation of proline and lysine utilized in the formation of collagen and healthy connective tissue. Wil's Ebay E-Store
  • [1]) [1] P quinol + NAD (P) + + H2 O2 + CO2 (H2 O2 formed simultaneously with hydroxylation [1]) [1] S anthranilate + NAD (P) H + O2 Recently Uploaded Slideshows
  • For instance, in the case of the two active stereoisomers we showed that only the stereochemistry at the amine and hydroxyl functions on the scaffold were important - the third chiral centre is not.
  • Phenols are a subgroup of alcohol in which the hydroxyl groups are attached directly to the carbon atoms of a ring structure.
  • After Arrhenius had formulated his well-known theory that acids and bases in aqueous solution are separated into ions and that their strength depends on their electrical conductivity, or more accurately, on their degree of dissociation, Ostwald tested the correctness of this view by measuring the conductivity and hence the concentration of the hydrogen and hydroxyl ions with the acids and bases which he had used in his previous experiments. Nobel Prize in Chemistry 1909 - Presentation Speech
  • (only 13% of the FAD is utilized to hydroxylate the substrate phenol, when resorcinol is used as substrate, the reaction is not significantly different from the reaction of the wild type enzyme [25]) [25] R281M Recently Uploaded Slideshows
  • The yucca phenotype derives from overexpression of a flavin monooxygenase like enzyme that oxidizes tryptamine to N-hydroxyl-tryptamine in vitro.
  • Oryctolagus cuniculus (similar enzyme catalyzing 25-hydroxylation of 5b - cholestane-3a,7a,12a-triol [10]) [10] Recently Uploaded Slideshows
  • PKU is described by scientists as an autosomal recessive genetic disease that is characterized by a deficiency in an enzyme called phenylalanine hydroxylase (PAH). Medlogs - Recent stories
  • The synthesis of serotonin is a two-step process involving a hydroxylation reaction catalyzed by the enzyme tryptophan - 5-monooxygenase and then a decarboxylation catalyzed by l-amino acid decarboxylase.
  • At present the evidence for hydroxyl radicals being mutagenic is limited.
  • Replacement of the 3-hydroxyl group with a monosaccharide or of the Wil's Ebay E-Store
  • Dopamine is made from the amino acids phenylalanine and tyrosine through the action of three enzymes: phenylalanine hydroxylase, tyrosine hydroxylase, and amino acid decarboxylase. Alcohol and The Addictive Brain
  • The pheromone has been partially purified and consists of several related molecules similar to hydroxylated fatty acids.
  • (12-hydroxylating) Recommended name phosphatidylcholine 12-monooxygenase Synonyms oleate D12 Recently Uploaded Slideshows
  • About a hundred grammes of hydroxylamine hydrochloride, NH_ {2} OH. HCl, were dissolved in six hundred cubic centimeters of warm methyl alcohol. Scientific American Supplement, No. 841, February 13, 1892
  • The latter are formaldehyde-condensation products of sulphonated tar oils, or the hydroxylated derivatives of the latter. Synthetic Tannins
  • How to optimize Vitamin D supplementation to prevent cancer, based on cellular adaptation and hydroxylase enzymology. Leo Galland, M.D.: Vitamin D: Beware the Hype
  • They may be prepared by converting nitriles into amidoximes by the action of hydroxylamine, the amidoximes so formed being then acylated by acid chlorides or anhydrides. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
  • During phase I, functional groups are added to the drug, or existing functional groups are transformed through oxidation, reduction, hydroxylation, hydrolysis and so on.
  • Identification of two a-ketoglutarate-dependent dioxygenases in extracts of Rhodotorula glutinis catalyzing deoxyuridine hydroxylation. Recently Uploaded Slideshows
  • The ‘alternative’ pathway begins with the hydroxylation of the cholesterol side chain.
  • Its action involves hydroxylations and dehydrations that culminate in aromatization of the A ring of the androgens.
  • A normal salt does not have any acidic protons or hydroxyl groups.
  • Objective To investigate the association among tryptophan hydroxylase(TPH) gene A218C polymorphism, unipolar depression(UPD) and symptom phenotypes in Han nationality of Chinese.
  • (, increases the rate of NADP oxidation by 4 - hydroxybenzoate, no hydroxylation during subsequent reoxidation by O2 [2]) [2] 3,4-dihydroxybenzoate Recently Uploaded Slideshows
  • A letter from M. Lobry de Bruyn appears in the number of the _Chemiker Zeitung_ for October 31, warning those who may attempt to prepare free hydroxylamine by the above method that it is a dangerously explosive substance when warmed to a temperature of Scientific American Supplement, No. 841, February 13, 1892
  • PHD3 appears to hydroxylate the α-subunit during reoxygenation. Conservapedia - Recent changes [en]
  • Serotonin is made from the amino acid tryptophan through the action of two enzymes: tryptophan hydroxylase and amino acid decarboxylase. Alcohol and The Addictive Brain
  • Chen, X.Y.; Yamada, Y.; Hashimoto, T.: An Atropa bel - ladonna hyoscyamine 6b-hydroxylase gene is differentially expressed in the root pericycle and anthers. Recently Uploaded Slideshows
  • The presence of a double bond at position C-2-3 in the flavone and flavonol aglycones, a keto group at C-4, B ring hydroxylation and/or a free hydroxyl group at C-3 may be associated with activity. Wil's Ebay E-Store
  • Alcohols have one, two, or three hydroxyl groups attached to their molecules and are thus classified as monohydric, dihydric, or trihydric, respectively.
  • Ethanol ( grain alcohol ) and methanol ( wood alcohol ) are the Best - known alcohols with one hydroxyl group.
  • The dissociative oxygen repels the water molecules formed from the surface hydroxyls and refills the oxygen vacancies on the surface of titania.
  • Treatment of 1,3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.
  • Accordingly, both the stereochemistry of and the steric hindrance around the interactive hydroxyl group crucially affect the supramolecular structure of the self-assembled chromophores.
  • R.; Chang, J.; Schauer, R.: Distribution and localization of CMP-N-acetylneur - aminic acid hydroxylase and N-glycolylneuraminic acid-containing glyco - conjugates in porcine lymph node and peripheral blood lymphocytes. Recently Uploaded Slideshows
  • All K atoms coordinate with O atoms of phenolic hydroxyl group and nitro - group simultaneously.
  • D.W.: Crystallization of orcinol hydroxylase from Pseudo - monas putida. Recently Uploaded Slideshows
  • During phagocytosis, monocytes, neutrophils and macrophages generate Superoxide radicals, hydrogen peroxide and the highly reactive hydroxyl radicals3.

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