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PubMed1951

Decontamination.

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Decontamination↗
PubMed1992

[Selective decontamination of the intestine and total gnotobiologic isolation in treatment of mice with acute radiation sickness].

Comparative study of ciprofloxacin, pefloxacin and amikacin showed that ciprofloxacin and pefloxacin had a selective action on the intestinal microflora of conventional mice. Amikacin induced inhibition not only of the opportunistic bacteria but also of the representatives of the indigenous microflora. The use of the drugs in combination with total gnotobiological isolation in treatment of experimental radiation sickness provided an increase in survival of the irradiated animals, the more so as ciprofloxacin was used.

Acute Disease↗
PubMed2005

Two approaches to biological decontamination of groundwater and soil polluted by aromatics-characterization of microbial populations.

As part of the EU project MULTIBARRIERS, six new endogenous aerobic bacterial isolates able to grow in the presence of BTmX (benzene, toluene, m-xylene) were characterized with respect to their growth specificities. Preliminary analysis included restriction fragment length polymorphism profiles and 16S rDNA sequencing. The diversity of these strains was confirmed by denaturing gradient gel electrophoresis. Additional aerobic bacterial strains were isolated from the rhizospheres of plants grown in polychlorinated biphenyl (PCB)-contaminated soils. Pot experiments were designed to show the beneficial effect of plants on the bacterial degradation of PCBs. The effect of PCB removal from soil was evaluated and bacteria isolated from three different plant species were examined for the presence of the bph operon.

Actinobacteria↗
PubMed2005

Make decontamination part of all-hazards plan.

Think creatively when planning for a disaster. Be sure to establish strong relationships with organizations in your area. When conducting your risk analysis, don't exclude "wild scenarios" from your hypothetical events. In the event fire department assistance is not available, equip your facility with polyvinyl chloride (PVC) pipe and nozzles to spray patients clean. Develop important relationships with area hospitals and agencies before disaster strikes.

Decontamination↗
PubMedDate not supplied

Effectiveness of a glutaraldehyde formulation in decontamination of dental unit water systems.

AIM: Dental-medical devices may transmit infections caused by bacteria that are usually found in water distribution systems, and which are difficult to treat and control. High bacterial contamination in the water systems of dental units is due to the presence of biofilm inside the pipes. Our study evaluated the efficacy of glutaraldehyde formulated with quarternary ammonium salts (Sanicide T4) examined in a previous study, employing a series of assays to confirm or otherwise the results obtained previously. METHODS: A purification protocol for the dental unit water system, together with a protocol for daily maintenance treatment, were tested on two dental units (in the Departments of Conservative and Prosthetic Dentistry) taking specimens from the turbine, micro-engine and air-water gun. The chemical substance, at a concentration of 20 cc per litre of water, was allowed to act when the department closed, for a total of 15 days. The Sanicide T4 was handled with protective gloves and the dental units were fitted with two safety devices to avoid accidental ingestion. RESULTS: Laboratory results enabled us to compare values for bacterial load at 36 degrees C and at 22 degrees C and for Pseudomonas aeruginosa, before and after applying the test protocol. Data obtained are satisfactory except for Pseudo-monas in the fountain in the Department of Conservative Dentistry; the value was in any case below the safety level set by the American Dental Association, confirming the results obtained in our previous study. CONCLUSIONS: The two protocols may now be considered an excellent solution to control the development of biofilm. Should the product be found to be effective for a longer period of use, each dental unit should be provided with: an anti-reflux valve to stop accidental ingestion of disinfectant; a hydraulic mechanism to pump the product to the handpieces and other water supply devices; possibility of discriminating the use of the public water system from the use of that in the disinfectant circuit; an automatic mechanism whereby the disinfectant can be flushed out with drinking water every morning.

Decontamination↗