• Stabilized Liquid Enzyme Composition - The present invention relates to a liquid composition comprising an enzyme and an enzyme stabilizer such as an aryl carboxylic acid. (patentsencyclopedia.com)
  • A structural feature of the compounds of formula I is the presence of the C-terminal carboxylic acid functionality, which was shown to be responsible not only for the potency and reversibility observed for this inhibitor series, but also for the excellent specificity for HCV protease compared to other serine/cysteine proteases. (allindianpatents.com)
  • These are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom). (hmdb.ca)
  • 1,3-Dithianes and 1,3-dithiolanes can easily be prepared from carbonyl compounds with 1,3-propanedithiol or 1,2-ethanedithiol in the presence of a Br nsted or a Lewis acid catalyst. (organic-chemistry.org)
  • A Lewis acid-surfactant-combined copper bis(dodecyl sulfate) [Cu(DS) 2 ] catalyst served as an efficient and reusable catalyst for the thioacetalization and transthioacetalization of carbonyl compounds and O,O -acetals in water at room temperature. (organic-chemistry.org)
  • Specific preferred compounds are 2-(1-acetyloxyethyl)-4-hydroxy-N-(2-thiazolyl)-8-trifluoromethyl-3-quinoli necarboxamide, 4-hydroxy-2-(1-hydroxyethyl)-N-(2-thiazolyl)-8-trifluoromethyl-3-quinoline -carboxamide and 4-hydroxy-2-(1-hydroxypropyl)-N-(2-thiazolyl)-8-trifluoromethyl-3-quinolin ecarboxamide and their salts with non-toxic, pharmaceutically acceptable acids and bases. (justia.com)
  • In a preferred mode of the process of the invention, the functional derivative of the acid of formula IV is an acid halide or anhydride and the reaction between the compounds of formulae V and VI is effected in the presence of an organolithium or a lithium amide such as in the presence of butyllithium or lithium diisopropylamide. (justia.com)
  • The compounds of formula I are zwitterionic and are capable of forming salts with strong acids and bases. (allindianpatents.com)
  • OSHA recommends nitrile gloves as part of their Personal Protective Equipment Standard (1910.132) because of their ability to provide protection from many chemicals, including oils, greases, acids, caustics, and alcohols. (cookinghaven.com)
  • Alanine is an important source of energy for muscles and central nervous system, strengthens the immune system, helps in the metabolism of sugars and organic acids, and displays a cholesterol-reducing effect in animals. (healthmatics.info)
  • Bile acids are physiological detergents that facilitate excretion, absorption, and transport of fats and sterols in the intestine and liver. (hmdb.ca)
  • 6. The vinylidene chloride copolymer latex of claim 1 wherein the nonionic surfactant is a fatty acid ester of polyethylene oxide having an average number of ethylene oxide repeat units of from 15 to 40. (google.com)
  • Useful methods include acid side bleaching, partial hydrogenation of the fatty acid, pretreatment of the fatty acid to provide color inhibition, acid side hydrolysis of the sulfo-estolides, or conversion of SHP to an essentially fully hydrolyzed product (HSHP) or a partially hydrolyzed product (PHSHP). (patentsencyclopedia.com)
  • Corticotropin releasing factor (herein referred to as CRF), a 41 amino acid peptide, is the primary physiological regulator of proopiomelanocortin (POMC) -derived peptide secretion from the anterior pituitary gland [J. Rivier et al. (allindianpatents.com)
  • A non-essential amino acid that occurs in high levels in its free state in plasma. (healthmatics.info)
  • Amino acid with side chain -CH3. (healthmatics.info)
  • A small non-essential amino acid in humans, Alanine is one of the most widely used for protein construction and is involved in the metabolism of tryptophan and vitamin pyridoxine. (healthmatics.info)
  • 5. Use according to claim 1, in which said at least one sulfonic acid is in anhydrous form or in the form of an aqueous solution comprising from 5% to 90% by weight, in particular from 10% to 80% by weight of sulfonic acid, and more particularly from 15% to 75% by weight, the rest to 100% consisting of water. (patentsencyclopedia.com)
  • The present invention relates to the use of at least one sulfonic acid for recovering glycerol resulting from a reaction crude from transesterification of glycerides, in particular of triglycerides of vegetable and/or animal origin. (patentsencyclopedia.com)
  • Perchloric acid adsorbed on silica gel (HClO 4 -SiO 2 ) has been found to be an extremely efficient and reusable catalyst for 1,3-dithiolane and 1,3-dithiane formation under solvent-free conditions at room temperature. (organic-chemistry.org)
  • BACKGROUND: Municipal drinking water contaminated with perfluorinated alkyl acids had been distributed to one-third of households in Ronneby, Sweden. (lu.se)
  • It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM. (healthmatics.info)
  • As a non-thiolic, odorless propane-1,3-dithiol equivalent, 3-(1,3-dithian-2-ylidene)pentane-2,4-dione has been investigated in acid-promoted thioacetalization under solvent-free conditions. (organic-chemistry.org)
  • The distinction between different bile acids is minute, depends only on presence or absence of hydroxyl groups on positions 3, 7, and 12. (hmdb.ca)
  • Bile acids recirculate through the liver, bile ducts, small intestine and portal vein to form an enterohepatic circuit. (hmdb.ca)
  • Bile acids are steroid acids found predominantly in bile of mammals. (hmdb.ca)
  • Tungstophosphoric acid (H 3 PW 12 O 40 ) was found to be an effective and highly selective catalyst for the thioacetalization of aldehydes, ketones, acetals, acylals and O,S -acetals in excellent yields in the absence of solvent. (organic-chemistry.org)