How to use amine in a sentence

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Sentence Examples This causes scission of an initiator molecule which produces free radicals in the presence of an aliphatic amine accelerator. The amine and epoxide functional groups are the primary characters in the epoxy reaction. This photoreaction is highly dependent on the amine structure and is efficient only in the presence of tertiary aliphatic amines. An example of this type of adhesive is polyimide that is formed by the polymerization reaction of an aromatic amine with an aromatic anhydride. This technique quickly removes water and nontarget compounds with magnesium sulfate and a primary-secondary amine sorbent. Other amines and amine precursors such as histamine, dopamine, levodopa, and tyrosine may also be involved in these reactions. As the amine sulfate reacts with the uranyl ions, the uranium is converted from a water-soluble compound into one that is kerosene-soluble. A practical limiting factor in forming more tightly crosslinked structures is the miscibility between the rose bengal amine and collagen. The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent. This is due to the special biogenic amine in chocolate, which can change internal secretions. Serotonin is a biogenic amine that modulates smooth muscle contractions of the crop and gizzard of the earthworm, Lumbricus terrestris. Such electron transfer from the amine to the triplet ketone within a charge transfer complex is a well-established phenomenon. In addition, this secondary amine presents some steric impediment by the glucose molecule from the terpenoid moiety. Hydrolysis of an isocyanide is catalyzed by acid but not by alkali and the result is an amine. A number of solid amine and diamine salts of cinnamic acids 2 were photochemically isomerized in low yields. The isolation of morphine from opium takes advantage of the amphoteric nature of the alkaloid, since morphine is a phenolic amine. These reactions occur via acylation or alkylation and are often rapid, forming stable primary amide or secondary amine bonds. Oxidation is carried out by cytochrome P-450 monooxygenases, mixed-function amine oxidases, and alcohol and aldehyde dehydrogenases. We also varied the end group of the trichlorosilyl surfactant, using an amine, vinyl, bromo, or phenyl group to provide other surfaces of differing hydrophobicity. A special form of carboxylic acids are the amino acids, which are carboxylic acids that also have a nitrogen-containing group called an amine group in the molecule. Show More Sentences Soap molecules oleic acid and oleyl amine also included in the mixture tagged onto the metal particles and prevented them from growing beyond about 4nm in diameter. Because of its ease of manufacture and ready availability, methamphetamine has become the sympathomimetic amine of choice among stimulant abusers. Silicone surfactants, and amine and tin catalysts, are also used. Acetylation of its amine function facilitates passage of acetylhomotaurine through the blood brain barrier. In the production of nylon an amine reacts with a carboxylic acid. The major metabolite from the pyrimidine-labelled study was a polar conjugate of 5-hydroxy pyrimidine amine. Sulphuric or amine malodour compounds smell bad even at the lowest concentrations. These resins are supplied in two components, one is epoxide and the other is bifunctional amine. Thiamine is an amine, which has a vital role for the body in the fight against beriberi. Also included are heterocyclic amine compounds, which are formed when meats and eggs are cooked or grilled at high temperatures and also found in cigarette smoke. For example, fluorescent cyanine and related dyes can be attached to amine, hydroxy or sulfhydryl groups of avidin and to antibodies and to lectins. Oracle Dicamba Agricultural Herbicide can be used alone or in a tank-mix with 2,4 D amine or 2,4 D L. V. ester herbicide. The amine scrubbing is cheaper than usual, since the reaction generates carbon dioxide in a more concentrated form. An amine solution then absorbs the carbon dioxide, while the hydrogen is burnt in a modified furnace. The nitrogen atoms of amines have what chemists call a lone pair of electrons, and it is this which attaches each amine molecule to the nanotube. So the ester formulation tends to be more volatile than the amine formulation. Nitrogen-based corrosion inhibitors, synthesized using an amine, are utilized in a wide variety of industries. Carbidopa: In the absence of biogenic amine precursors, carbidopa is singularly inert pharmacologically. However, fluoro-amino acid derivatives have rarely been synthesized because of the inherent instability of the geminally halogenated amine moiety. During reflow of the solder joints of the electronic module by heating, the modified passivation reacts with the polyamine at the amine functionality. Show More Sentences Consisting of a phenyl group attached to an amino group, aniline is the prototypical aromatic amine. The two liquid precursors of a polyurethane are a multifunctional isocyanate and a prepolymer, a low-molecular-weight polyether or polyester bearing a multiplicity of reactive end-groups such as hydroxyl, amine, or amide. M represents a metal having a valency of at least 2, x represents 1 or 2, and R represents a monobasic organic acid residue, characterised in that the coating composition contains a substantially non-volatile amine. Protein intake, for example, causes an excess of toxins of amine groups when it is broken down for energy. To this suspension equimolar quantities of an aldehyde and a chiral amine are added successively, while stirring. An antimicrobial based on a neutralized amine phosphate is being used in a new line of polymer concentrates. This is a test site where there will be a new amine plant. Bluestar Silicones holds patents on the technology and the application of HALS amine silicones which give perfectly non-yellowing and water-repellent softeners. It has been possible to study the reaction mechanisms in atmospheric plasma in order to graft amine or carboxyl type functions onto the surface of a metallic material. Ionic, or saltlike, amides are strongly alkaline compounds ordinarily made by treating ammonia, an amine, or a covalent amide with a reactive metal such as sodium. One way to improve the work environment in your core room is to optimize and troubleshoot your facility's amine vapor system. The second chapter focuses on octyl amine end-uses, the third one gives summary on a number of patents. In order to promote the diffusion of water into the oil phase, UP is previously neutralized with an amine. Power-station exhaust can thus be purged of its CO2 by running it through an amine bath before it is vented, and the amine can be warmed to release the gas where it will do no harm. Purification and properties of amine oxidase from epicotyls of Pisum sativum. It has been shown that amine oxidases are homodimeric enzymes that contain two active centres per one molecule. It is thought that LSD, as well as psilocybin, psilocin, bufotenine, and harmine, act antagonistically toward serotonin, an important brain amine. In 1993 the THA decided to sell LWG's Leuna-based amine production operation to UCB, a subsidiary of Union Chimique Belge, a Belgian pharmaceutical and chemicals group that operates throughout the world. This product is a clear, light green-brown liquid with slight amine odour. In the meantime, try a daily joint supplement like glucose amine or bromelin to ease those aches and pains. Show More Sentences As part of the project, Technip will provide a diesel hydrotreater, an amine regeneration unit, a new sulphur recovery unit, a hydrogen plant and will revamp existing facilities. Anchovies are associated with scombroid-poisoning due to biogenic amine contents such as histamine, putrescine and cadaverine. The target gas stream also affects appropriate amine selection. The expansion included new froth treatment and diluent recovery units, as well as a new fluid coker, distillate hydroprocessor, hydrogen plant, sulphur plant, amine plant, sour water treater and flue gas scrubber. The molecule tends to exist as a zwitterion where a phosphonic hydrogen dissociates and joins the amine group. In one case, a silane-coated nanoparticle containing amine groups is mixed with a diacid chloride monomer before polymerization. The popular commercial waterborne curing agents for epoxy resin are amine, modified amine and polyamide, which have been mentioned previously. As paroxetine is a lipophilic amine with both hydrophobic and hydrophilic moieties, it may accumulate in lysosomes leading to an impairment of lipid catabolism and, hence, the accumulation of lipids within the lysosomes. Pulverulent Product for stabilizing soils in place comprising a pulverulent fatty amine such as distearyl dimethylammonium chloride and at least one pulverulent product chosen from cements, slaked limes and fly ash. Established perennial weeds that 2,4-D amine will not control include: toadflax, buttercup, yarrow, ox-eye daisy, hawkweed, sheep sorrel and many others. If extensive reactions occur before the part 3 amine is introduced to catalyze part 1 and 2, problems can occur. Proaid AC 18-DSA is a saturated stearyl amine primarily used as an internal mill release for rubber articles. The amine is nearly planar owing to conjugation of the lone pair with the aryl substituent. It has previously been determined that the secondary amine in the aglycone basket of vancomycin is essential in stereoselectivity. Polyurethane foam is formed by mixing an organic polyol and an isocyanate along with amine or organometal catalysts and a fluorocarbon blowing agent. In this reaction, a ureido mixture marked as PNA was synthesized with MDI and cyclohexyl amine, and water was considered as a dispersion medium. Water soluble algin fiber wherein the water soluble algin is one or two or more of sodium, lithium, potassium, magnesium and ammonium alginates, algin organic amine salts, and water soluble algin ester derivatives. The first step in the synthesis of azo dyes is the conversion of amine compounds into diazonium salts. Hyaluronic acid contains glucuronic acid, a representative biogenic carboxylic, and GlcNAc, a representative biogenic amine. The acid group may be a carboxylic, phosphonic, sulfonic, sulfone, or Si 3 group, and the base may be an amine. Show More Sentences This is attributed to the cross-linking reaction between the secondary amine on the D-MWCNT surfaces and the epoxy matrix. Dabco 33-LV and BL-11 tertiary amine catalysts for flexible slabstock and flexible molded systems provide precise control of gelling and blowing. The steric shielding of the free electron pair in the nitrogen atom of the amine and its reduced basicity enhance its effectiveness as a stabilizer. Briefly, bromoacetic acid activated by diisopropylcarbodiimide is used to form a bromoacetylated intermediate on a terminal secondary amine group. Atmosphere control equipment includes a CO2 scrubber, which uses an amine absorbent to remove the gas from air and diffuse it into waste pumped overboard. The partners initially intend to build a new alkyl alkanol amine unit in Nanjing, which will mainly serve the water treatment, personal care, and oil and gas markets in Asia. Based on their versatility, relatively low cost, and widespread use in each of the major markets, ethanolamines will continue to be the largest amine product type. Based on their versatility, relatively low cost and widespread use in each of the major markets, ethanolamines will continue to be the largest amine product type. The Center for the Polyurethanes Industry of the American Chemistry Council has released updated guidelines on the use of amine catalysts in polyurethane-foam manufacturing. They've also been able to characterize 145 of them, including such attributes as their proteolytic and lipolytic activities, flavor development and biogenic amine production. Croda Atlas G-3661 is a filming rosin amine surfactant and corrosion inhibitor that behaves like a nonionic in alkaline and cationic in acidic media. Matos highlighted the recently developed new amine borane, 5-ethyl-2-methylpyridine borane, as an excellent reducing agent for reductive amination. The anti-Markovnikov aldimine products of these reactions are particularly useful intermediates for further functionalization to amine and aldehyde derivatives. The monosaccharides are pre-column derivatized with 4-aminobenzoic acid ethyl ester by reductive amination to a secondary amine which absorbs at 306 nm. In the case of PUR foam production, water reacts with isocyanate, forming carbamic acid which decomposes to an amine and carbon dioxide which acts as the foam blowing agent. This curing temperature is lowered with crosslinking catalysts such as cyclic aliphatic tertiary amine and a heteroaryl or a tertiary nucleophilic organophosphorus compound. At low pH, the amine groups of the pyridyl rings will combine with protons to get ionized groups, which are more hydrophilic and then adsorb more water. Amine oxidases present a class of enzymes, which are divided into two main groups based on the chemical nature of the attached cofactor. Amine compounds were identified and quantified based on comparison with standard curves constructed from pure compounds. Amine gas treating, an industrial scale process which removes acidic gaseous components, is often used to remove hydrogen sulfide from natural gas. Show More Sentences Amine reagents are then added to either the mined or evaporated solutions. Examples from Classical Literature There is but one being in this world who has created an interest in this heart, amine, and it is you. Diethyl sulphide is a colorless syrupy liquid, as well as diethyl amine and diethyl ether. The dyed colour here plays the part of a phenol or amine, and reacts with the diazo compound to produce a new colour. As this precaution implied a stranger, amine obeyed the summons. He sat down by the side of his amine, and clasped her in his arms. Like other amine antioxidants, Antioxidant 405 will discolor, but only very slightly, according to the company. This shows how the level of neutralization with each amine affects the formation of carboxylate anions. The priest quitted the room, and amine and Philip were again alone. Turning to Syria, Amine said the considerable use of weapons by the Syrian opposition indeed proves this opposition's illegitimacy. For two months did Amine remain under the care of the papoose woman. Find more words! 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Use our Sentence Generator Nearby Words Amina amina Amin amigos amigo amiga amines amino aminoacid amino acid amino acids aminoglycoside 5-letter Words Starting With a am ami amin