Hemorheology in experimental research: is it necessary to consider blood fluidity differences in the laboratory rat?

This study was designed to identify whether blood fluidity differs between commercially available laboratory rat strains. The hemorheological profiles of seven clinically healthy wild-type rat strains were analyzed to determine whether any diversity in blood fluidity might affect the outcome of cardiovascular studies. Study 1: 65 healthy adult rats (Lewis, Long-Evans, Hairless, Wistar and Fisher; mixed gender and comparable ages) were compared.

On the physics, chemistry and toxicology of ultrafine anthropogenic, atmospheric aerosols (UAAA): new advances.

The existing data about the epidemiology, toxicology, physics and chemistry of atmospheric particulate pollutants were recently essentially completed and extended. They do support the hypothesis that the fine and very fine dispersed fraction of the atmospheric anthropogenic aerosols (UAAA) are responsible for the aggravation of the health risk potential of the polluted atmosphere during the last decade. The recently published data dealing primarily with the physics, chemistry, sampling and analysis of these highly dispersed particulate air pollutants are reviewed, summarized and critically evaluated.

Chemical mixtures in atmospheric aerosols and their correlation to lung diseases and lung cancer occurence in the general population.

Several chemical and epidemiological investigations have been done during the last decade showing that correlations do exist between ambient air concentrations of aerodisperse (particulate) pollutants and the health risk for the general population. Based on these recently published results, there are on-going discussions and considerations proposing changes in air particulate pollution definitions, measurement, analysis and air quality standards. In this review, we summarize the "chemical standpoint" of this problem and its impact on the measurement strategy and air quality standard assessment.

[Emission measurements of fibrous dust in the Federal Republic of Germany. Fibrous emissions from brake linings of motor vehicles].

The brake and clutch linings of automobiles contain 10 to 70% of asbestos, mainly chrysotile. They are therefore considered to be a significant source of carcinogenic asbestos fibers in ambient air. This could be confirmed by measurements done in urban ambient air in different parts of West Germany.