نتایج جستجو برای: formaldehyde alcohol azocarmine lactophe

تعداد نتایج: 127788  

2003
R. J. COLLINS

It has previously been ascertained] that the phloroglucinol or Jorissen test is among the most sensitive color tests for free formaldehyde. The advantages claimed for it are: (1) simplicity; (2) great sensitivity; (3) it reacts with free or liberated formaldehyde only, and does not itself liberate formaldehyde from such compounds as hexamethylenamine; (4) finally, with the phloroglucinol test t...

2010
Yew Pei Ling Lee Yook Heng

A new alcohol oxidase (AOX) enzyme-based formaldehyde biosensor based on acrylic microspheres has been developed. Hydrophobic poly(n-butyl acrylate-N-acryloxy-succinimide) [poly(nBA-NAS)] microspheres, an enzyme immobilization matrix, was synthesized using photopolymerization in an emulsion form. AOX-poly(nBA-NAS) microspheres were deposited on a pH transducer made from a layer of photocured an...

Journal: :The Journal of the Society of Chemical Industry, Japan 1953

Journal: :Occupational and environmental medicine 2000
L Laforest D Luce P Goldberg D Bégin M Gérin P A Demers J Brugère A Leclerc

OBJECTIVES A case-control study was conducted in France to assess possible associations between occupational exposures and squamous cell carcinomas of the larynx and hypopharynx. METHODS The study was restricted to men, and included 201 hypopharyngeal cancers, 296 laryngeal cancers, and 296 controls (patients with other tumour sites). Detailed information on smoking, alcohol consumption, and ...

Journal: :British journal of industrial medicine 1985
I Low C Mitchell

A survey was carried out in a steel foundry in Brisbane to evaluate the nature and frequency of respiratory symptoms and to assess ventilatory function. The foundry used many moulding processes including the Furane, Isocure, Shell, carbon dioxide, and oil sand systems. Nasal symptoms and wheeze were often reported, particularly by workers in the general foundry and core shop, and on a semiautom...

Journal: :The Biochemical journal 1953
J C GAGE

in the urine, and the kidney must have a considerable power of concentrating formate. The inhibition of the appearance of formate during the administration ofethanol is in accordance with Zatman's (1946) interpretation of the earlier experiments, namely, that a primary oxidation of methanol to formaldehyde through the agency of alcohol dehydrogenase is competitively inhibited by ethanol. More r...

2009
Chad M. Thompson Babasaheb Sonawane Roland C. Grafström

Class III alcohol dehydrogenase (ADH3), also termed formaldehyde dehydrogenase or S-nitrosoglutathione reductase, plays a critical role in the enzymatic oxidation of formaldehyde and reduction of nitrosothiols that regulate bronchial tone. Considering reported associations between formaldehyde vapor exposure and childhood asthma risk, and thus potential involvement of ADH3, we reviewed the onto...

Journal: :The Journal of the Society of Chemical Industry, Japan 1957

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