butyraldehyde/bólga

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[Changes in the level of short-chain volatile fatty acids and their aldehydes in oral air and fluid during inflammation of oral tissues].

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It is shown that volatile short-chain fatty acids (propionate, butyrate and acetate) of bacterial and tissue origin are important factors of pathogenesis of oral tissue inflammation. A comparative biochemical study using chromato-mass-spectrometry, gas adsorptive and gas-liquid chromatography of

Synthesis and anti-inflammatory properties of budesonide, a new non-halogenated glucocorticoid with high local activity.

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As part of a study of the local anti-inflammatory activity of corticosteroid 16 alpha, 17 alpha-acetals it was found that on acetalization of 16 alpha-hydroxyprednisolone with n-butyraldehyde the two possible epimers were formed in the ratio of 1: 1. The reaction product was resolved by column

NTP Toxicology and Carcinogenesis Studies of Propylene (CAS No. 115-07-1) in F344/N Rats and B6C3F1 Mice (Inhalation Studies).

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Propylene is used as a starting material in the production of polypropylene plastics and various other chemicals, including acrylonitrile, isopropyl alcohol, propylene oxide, butyraldehyde, cumene, dodecane, nonene, and allyl chloride. The major derivatives are polypropylene (25%), acrylonitrile

Estimation and characterisation of budesonide tablets impurities.

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Budesonide is the 16alpha,17alpha-acetal of 16alpha-hydroxyprednisolone with n-butyraldehyde, endowed with anti-inflammatory activity. In a sample of budesonide tablets, kept for 3 years at 25 degrees C and 60% RH unknown impurities, not reported in European Pharmacopoiea, were present. Their

6 alpha-Fluoro- and 6 alpha,9 alpha-difluoro-11 beta,21-dihydroxy-16 alpha,17 alpha-propylmethylenedioxypregn-4-ene-3,20-dione: synthesis and evaluation of activity and kinetics of their C-22 epimers.

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It is generally accepted that the anti-inflammatory effect of glucocorticosteroids cannot be separated from their adverse effects at the receptor level. However, modification of the pharmacokinetics through structural alterations could provide steroids with a better therapeutic index than those

NTP Toxicology and Carcinogenesis Studies of Isobutyraldehyde (CAS No. 78-84-2) in F344/N Rats and B6C3F1 Mice (Inhalation Studies).

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Isobutyraldehyde, a branched alkyl aldehyde, is used as a chemical intermediate and flavoring agent. It was nominated by the National Cancer Institute for toxicity and carcinogenicity studies by the NTP. Reasons for nomination and selection of isobutyraldehyde for study included its high potential

[Volatile compounds in air and oral saliva in healthy people, and in periodontitis and gingivitis patients].

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21 healthy persons, 7 patients with chronic generalized periodontitis and 4 patients with chronic generalized gingivitis aged between 18 and 42 years were examined. Air from the oral cavity was collected with a special device; liquid samples were collected by washing the oral cavity with sterile

Antiinflammatory property of 3-aryl-5-(n-propyl)-1,2,4-oxadiazoles and antimicrobial property of 3-aryl-5-(n-propyl)-4,5-dihydro-1,2,4-oxadiazoles: their syntheses and spectroscopic studies.

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The synthesis of six 3-aryl-5-(n-propyl)-4,5dihydro-1,2,4-oxadiazoles 3a-f has been achieved in a facile manner by the reaction of an appropriate arylamidoxime 1a-f with butyraldehyde 2. Oxidation of 3a-f individually using MnO(2) in CH(2)Cl(2) or sodium hypochlorite in THF/H(2)O furnished

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