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Particle toxicology: from coal mining to nanotechnology.

Abstract：

:Particle research has been historically closely connected to industrial activities or materials, such as coal, asbestos, man-made mineral fibers, and more recently ambient particulate matter (PM). It is the purpose of this review to combine insights and developments in particle toxicology with the historical context of exposure and organizations sponsoring such research in Europe. In supporting research on particle-induced respiratory effects and mechanisms, research programs of the European Community on Steel and Coal (ECSC) have played a tremendous role. Current particle research in Europe is dominated by PM, and funded by the World Health Organization (WHO), European Union Framework programs, and the Health Effects Institute (HEI). Differences between historical and current research in particle toxicology include the exposure concentrations, particle size, target populations, endpoints, and length of exposure. Inhaled particle effects are no longer confined to the lung, since particles are suggested to translocate to the blood while lung inflammation invokes systemic responses. Finally, the particle size and concentrations have both been reduced about 100-fold from 2-5 mg/m3 to 20-50 mg/m3 and from 1-2 microm to 20-100 nm (ultrafine) as domestic fuel burning has decreased and vehicle sources have increased and attention has moved from coal mining industry to general environment. There is, however, a further occupational link to nanotechnology, which continuously produces new materials in the ultrafine range. Although inhalation exposure is considered to be minimal in this technology, some particles are produced to be used for carrier purpose in medical applications. Based on our current knowledge of particle toxicology, it is highly desirable that toxicology and technology are linked in this extremely rapid developing area, to learn more about potential risks and also to develop knowledge on the role of surface and size in particle toxicity.

journal_name

Inhal Toxicol

journal_title

Inhalation toxicology

authors

Borm PJ

doi

10.1080/08958370252809086

subject

Has Abstract

pub_date

2002-03-01 00:00:00

pages

311-24

issue

eissn

0895-8378

issn

1091-7691

journal_volume

pub_type

历史文章,杂志文章,评审

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Particle toxicology: from coal mining to nanotechnology.