[In vitro effects of potassium superoxide: possible implications for technicians at photography laboratories].
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Biomedical subjects
Publications and source records attributed to E Monaco.
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The trend of concentrations of some pollutants (total particulate, polycyclic aromatic hydrocarbons (PAH), benzo(a)pyrene (BaP), chromium, nickel, lead, vanadium) in the urban air of Turin for the years 1986-87-88 was studied. The air was sampled daily by glass fiber's filters; a ponderal determination of total particulate was made; PAH was dosed by gas-chromatography and by mass spectrometry, metals was determined by atomic absorption spectrometry. These are the values of the three years mean concentration: total particulate 156.3 micrograms/mc, PAH 27.2 ng/mc, B(a)P 2.16 ng/mc, Cr 28.6 ng/mc, Ni 40.5 ng/mc, Pb 1.37 micrograms/mc, V 55.2 ng/mc. Finally, we try to calculate the conjectural carcinogenic effect of the B(a)P for the residents of Turin.
Fanconi's anaemia (FA) is an autosomal recessive mutation associated with constitutional chromosome aberrations. Patient's cells show increased susceptibility to different mutagens, especially bifunctional alkylating agents. Asymptomatic heterozygotes have a population prevalence of 1 in 300, and have been considered at risk for cancers. It has also been shown that their cells are especially sensitive to some chemicals in vitro. Laboratory tests are presented and discussed which are adequate for FA heterozygotes identification and for understandings the basic defect of this mutation.
A noise level dosimetry and audiometric testing were conducted in a cellulose factory to determine the hazardous noise level and the prevalence of noise induced hearing loss among the exposed workers. The noise level was recorded up to 90 db (A) in several working areas. 18 workers, potentially exposed to noise injury, evidenced a significant hearing loss. While no evidence of noise injury was recorded in a control group of 100 subjects. This finding suggest a strict relationship between audiometric tests, the noise level recorded in the working place and the working seniority of exposed employers.