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At least 1,261 records · Page 70Linked to original sources
PubMed1995

[Evaluation of decontamination interventions in 59 homes of children with lead poisoning].

Old peeling paint with high content of lead has been identified as the main source of lead poisoning for children screened in Paris since 1985. In 1989, Médecins Sans Frontières and Migration Santé tested abatement methods in 59 homes of severely lead-poisoned children. The effectiveness of abatement is evaluated with respect to the evolution in dust lead contents and of the children's blood lead levels. Lead content wsas measured in dust samples collected from the floor of the homes before abatement, then every three months after abatement; results are available for 24 homes. Blood lead levels were assessed in the course of the children's medical follow-up; results are available before and after abatement for 78 children living in 41 of the abated homes. The effect of abatement on the children's blood lead level was assessed through multivariate analysis. The median decrease in dust lead contents was 365 micrograms/m2 one to two months after abatement and 300 micrograms/m2 three to six months after abatement. However, dust lead contents of more than 1,000 micrograms/m2 were found in more than half of the communal areas of the buildings six to twenty-eight months after abatement. For 2 of the families, abatement was associated with an increase in the children's blood lead-levels. For all of the other children, abatement was associated with a significant decrease in blood lead levels, controlling for the child's age and initial lead poisoning level, and for the overall downward trend in blood lead levels over time since the initial screening.(ABSTRACT TRUNCATED AT 250 WORDS)

Child↗
PubMed1994

An effective strategy for decontamination, ex vivo expansion, and storage of human fetal liver hematopoietic stem cells.

The transplantation of human fetal tissue has the potential to cure a variety of life-threatening diseases. The strategy for procurement, quality control, and functional assessment of human fetal liver HSC may prove useful for the transplantation of other fetal tissues. In addition to technical limitations, there are ethical and legal issues which need to be resolved before widespread use of fetal tissue. Further development of regulatory standards for the acquisition and distribution of fetal tissues will foster the application of this novel technology.

Abortion, Induced↗
PubMedDate not supplied

[The decontamination of microorganisms in potable water by using ultraviolet radiation].

The inactivation of Escherichia coli, Streptococcus faecalis, Proteus vulgaris, Pseudomonas aeruginosa and Bacillus subtilis by UV radiation in batch and flow-through systems and influence of different factors on inactivation have been studied. The necessary required disinfection doses were defined and compared with the data of other authors.

Decontamination↗
PubMedDate not supplied

[The inorganic sorbent Evirkhip for water decontamination].

Inorganic synthetic sorbent "Evirhip" is recommended for eliminating of contaminants from water with varying degree of pollution. Comparative evaluation was carried out of the activities of the synthetic sorbent, natural dispersive minerals and activated charcoals with their surfaces being variously modified, using a model of typical representatives of intestinal microorganisms (Shigella sonnei, poliomyelitis type II, Sabin strain, viruses). Under stationary conditions of interaction of 1% sorbent "Evirhip" with Shigella sonnei sterilizing effect begins to reveal itself within 60 minutes. Decrease in infectivity of poliovirus occurs by one logarithm of the original level during 30 minutes contact. The paper discusses changes of cationic composition of water as a result of treating it by the sorbent, and feasibility of practical application of the sorbent in processes removing etiological agents of the intestinal infections from drinking, natural and waste water.

Antiviral Agents↗