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At least 829 records · Page 46Linked to original sources
PubMed1992

Laundering as decontamination of apparel fabrics: residues of pesticides from six chemical classes.

Research on reducing the level of pesticide residue on a textile substrate has examined many variables under many different conditions. This study controlled fiber type and the use of prewash product in an examination of residue levels for a number of pesticides in different pesticide classes. For all pesticides examined, the use of prewash lowered pesticide residues regardless of fiber type. Differences in pesticide residue level attributable to fiber type were not consistent.

Clothing↗
PubMed1987

Decontamination of Campylobacter jejuni on chicken drumsticks using chemicals and radiation.

A trial was conducted to compare the efficacy of four disinfectants and radiation to reduce the level of C. jejuni contamination on poultry meat. Two levels of each treatment were applied to chicken drumsticks inoculated with a known concentration of a strain of Campylobacter jejuni, biotype 1, isolated from a human patient with diarrhea. Radiation using a cobalt-60 source at a level of 0.5 KGy effected a 99% surface reduction in C. jejuni. With a mean initial surface contamination level of 1.1 X 10(3) Colony Forming Units/cm2, 1 KGy completely eliminated C. jejuni. Glutaraldehyde at 0.5% concentration for 30 minutes had an efficacy similar to the lower dose of radiation. Chlorine showed a negligible effect on C. jejuni. Succinic acid and Poly (hexamethylenebiguanide hydrochloride) were statistically similar in their effectiveness, ranking between glutaraldehyde and chlorine. These results strongly indicate that, of the alternatives tested, low-dose radiation is the method of choice for reducing Campylobacter contamination of poultry products.

Animals↗
PubMed1981

Recontamination after gastrointestinal decontamination with non-absorbable antibiotics.

In an attempt to restore the colonization resistance we administered anaerobic microflora to prevent an abnormal colonization of the intestine after antibiotic treatment had been discontinued. After the antibiotics had been discontinued and before the donor flora had been administered and had colonized the intestine, microorganisms present were "unopposed" and expanded to a high density. A mouse model was used to investigate which antibiotics negatively influenced the donor flora and reduced the colonization resistance when administered intraperitoneally. Erythromycin, clindamycin and carbenicillin suppressed the donor flora permanently, as could be seen by the reduced colonization resistance. Benzylpenicillin, ampicillin, doxycycline and the combination gentamicin-cephalothin affected the colonization resistance as long as these agents were present. Gentamicin alone and cephalothin and oxytetracycline had no effect on the colonization resistance.

Absorption↗