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Results for “Propanil”

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At least 145 records · Page 8Linked to original sources
PubMed1977

Electron capture gas chromatographic analysis of the amine metabolites of pesticides: derivatization of anilines.

A number of amines have been shown to result from metabolism of various pesticides. From an epidemiological standpoint, it may be possible to monitor human exposure to these pesticides through the excretion of their corresponding amines in urine. An investigation has been initiated to develop and apply methods of analysis of amines in human urine. The results of a survey of derivatization techniques involving several substituted anilines are presented. These include conditions for derivatization, utilizing a number of halo- and nitro- substituted reagents; electron capture and gas chromatographic properties of the derivatives; and stability of the derivatives to extraction and column chromatography for purposes of separation and cleanup. The recoveries of anilines from spiked water and urine samples at the 1.0 ppm and 0.1 ppm levels were between 85 and 90%. The advantages and disadvantages of the various derivatives and techniques are discussed and a rationale is presented for the preliminary selection of a particular derivative for application of the analysis of aniline metabolites in urine.

Aniline Compounds↗
PubMed2000

Results of dental amalgam removal and mercury detoxification using DMPS and neural therapy.

Sixty consecutive patients who had undergone replacement of dental amalgam fillings and a protocol of nutritional support and heavy metal detoxification using dimercapto-propanyl-sulfate and neural therapy were surveyed. A questionnaire was mailed to the patients and 42 responded, resulting in a response rate of 70%. The reasons for undergoing treatment were many, ranging from a patient's desire to avoid potential health problems in the future to treatment of serious current disease. Although medical diagnoses were made when possible before treatment, this survey studied only the patients' estimations of their most distressing symptoms and their evaluations of response to treatment. The most common complaints were problems with memory and/or concentration; muscle and/or joint pain; anxiety and insomnia; stomach, bowel, and bladder complaints; depression; food or chemical sensitivities; numbness or tingling; and eye symptoms, in descending order of frequency. The most distressing symptoms were headache and backache, fatigue, and memory and concentration problems. Headache and backache responded best to treatment, but all symptoms showed considerable improvement on average. Of the respondents, 78% reported that they were either satisfied or very satisfied with the results of treatment, and 9.5% reported that they were disappointed.

Chelating Agents↗
PubMedDate not supplied

[Reaction of soil microflora to propanide treatment].

Propanide, a herbicide, is hydrolyzed in the soil into 3,4-dichloroaniline and propionic acid. The amount of microorganisms resistant to propanide and 3,4-dichloroaniline increases when the herbicide is added to the soil, and then decreases when these compounds disappear from the soil.

Anilides↗
PubMed1987

[Experimental study and standardization of propanide in water].

Hygiene-toxicological and ecotoxicological studies of amide herbicide propanide are performed in view of its standardization in waters. Experiments are carried out for defining its effect on the organoleptic quality of the waters, ecotoxicological effect in water medium and toxic effect on warm blooded organisms. Threshold and subthreshold concentrations and doses of harmful effect are defined. Differentiated hygiene norms (MAC) are developed for toxicological resources; for first category (after toxicological indication)--0.1 mg/l; for second and third (after ecotoxicological symptom) respectively 1.0 mg/l and 2.0 mg/l.

Anemia, Hypochromic↗
PubMedDate not supplied

[3,4-dichloroaniline cometabolism by representatives of the genus Pseudomonas].

The effect of propanide, linuron and 3,4-dichloroaniline on soil organisms was studied. Two strains of Pseudomonas aurantiaca 1 and 7, were isolated from soil; they decomposed propanide yielding 3,4-dichloroaniline. These strains, as well as a number of collection cultures belonging to the Pseudomonas genus, could transform 3,4-dichloroaniline at a rate of 0-100 per cent during 48 hours. A certain correlation existed between this transformation ability and the level of total oxidase activity. All the strains of Pseudomonas studied in this work were characterized by a low peroxidase activity, and no strict correlation was detected between its level and the ability to transform 3,4-dichloroaniline.

Adsorption↗