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At least 901 records · Page 50Linked to original sources
PubMed2006

A new clothing impregnation method for personal protection against ticks and biting insects.

The efficacy and residual activity of a factory-based, permethrin-impregnated military battle dress uniform (BDU) using a new polymer-coating technique has been evaluated by laboratory and field testing during deployment to Afghanistan and compared with two commercially available, widely used dipping methods. Residual permethrin concentrations and remaining contact toxicities on treated fabrics before laundering, after up to 100 launderings as well as after being worn-out during deployment were tested against Aedes aegypti (L.) and Ixodes ricinus (L.). The residual amount of permethrin was considerably higher with the polymer-coating technique with 280mg/m(2) remaining after 100 launderings. Polymer-coated BDUs collected for disposal after being worn-out during military deployment showed equivalent or better residual knockdown efficacy against test arthropods when compared with the results obtained with the US Army IDA (Illinois Department of Agriculture)-Kit after 50 launderings, which represent the recommended baseline for re-impregantion or disposal of the impregnated fabric. BDUs impregnated by the polymer-coating method were found to be effective throughout the lifetime of the uniform, ensuring protection of soldiers in the field from arthropod vectors, while simultaneously decreasing logistical constraints and occupational health threats.

Aedes↗
PubMed2000

[Electronic detection of breaks in the surgeon-patient barrier. Evaluation of protective clothing in visceral surgery].

STUDY AIM: Breakdown of the aseptic surgeon-patient barrier causing abnormal contact between skin and body fluids represents a risk for transmission of infectious disease. Such breakdowns are frequently not perceived by the surgical team over prolonged periods. The aim of this prospective randomized study was to evaluate the protection afforded by double gloving and reinforced gowns in visceral surgery. METHODS: An electronic device detected breakdowns of the surgeon-patient barrier in a series of 80 surgical procedures, randomly assigned to double or single gloves, and normal or reinforced gowns. Fluid contacts due to glove perforation, glove porosity or gown wetting were recorded during 151 individual participations covering 238 hours. Surgical procedures were called deep for incisions of more than 10 cm. RESULTS: Deep surgical procedures carried a sevenfold-increased risk of barrier breakdown, compared with superficial ones. Skin contacts through wet gowns were not prevented by the use of double thickness materials, but double gloving reduced the number of perforation and porosity alarms twofold in both superficial and deep surgery. CONCLUSION: Without electronic detection, 96% of barrier breakdowns would remain undetected by the surgical team and lead to prolonged contact with potentially contaminating-fluids. The use of double gloving provides a real protection against contamination risk.

Appendectomy↗
PubMed1999

PCDD/Fs in textiles--part II: transfer from clothing to human skin.

The transfer of PCDD/Fs from contaminated textiles to the outermost layers of the skin (stratum corneum) of human volunteers was measured. The experiments were conducted with cotton T-shirts containing high levels of hepta- and octachlorinated dibenzo-p-dioxins and dibenzofurans. The results indicated that there is little spatial variability in the transfer from the T-shirt to the skin surface (< factor2) and also little variability among individuals (< factor 3). The percent transfer from different cotton textiles (sigma PCDD/F: 1,900 pg/g - 281,000 pg/g) to the stratum corneum was found to be similar. The transfer from a white, unbleached polyester material was more than an order of magnitude lower, indicating that the PCDD/Fs were more tightly bound to the polyester than to the cotton. It was shown that the PCDD/Fs penetrate into deeper layers of the stratum corneum during an 8 hour exposure period. However, systemic exposure and a significant contribution of this pathway to the PCDD/F body burden is only possible if the compounds are able to overcome the penetration barrier posed by the viable epidermis.

Benzofurans↗