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Titolo:
RESPIRATORY EFFECTS ARE ASSOCIATED WITH THE NUMBER OF ULTRAFINE PARTICLES
Autore:
PETERS A; WICHMANN HE; TUCH T; HEINRICH J; HEYDER J;
Indirizzi:
GSF,INST EPIDEMIOL,POB 1129 D-85758 OBERSCHLEISSHEIM GERMANY GSF FORSCHUNGSZENTRUM UMWELT & GESUNDHEIT,INST INHALAT BIOL MUNICH GERMANY GSF FORSCHUNGSZENTRUM UMWELT & GESUNDHEIT,INST EPIDEMIOL MUNICH GERMANY UNIV MUNICH,INST MED INFORMAT VERARBEITUNG BIOMETRIE & EPIDEM MUNICH GERMANY
Titolo Testata:
American journal of respiratory and critical care medicine
fascicolo: 4, volume: 155, anno: 1997,
pagine: 1376 - 1383
SICI:
1073-449X(1997)155:4<1376:REAAWT>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARTICULATE AIR-POLLUTION; PM10 POLLUTION; LUNG INJURY; HEALTH; MORTALITY; CHILDREN; DEPOSITION; SYMPTOMS; AEROSOLS; ADULTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
A. Peters et al., "RESPIRATORY EFFECTS ARE ASSOCIATED WITH THE NUMBER OF ULTRAFINE PARTICLES", American journal of respiratory and critical care medicine, 155(4), 1997, pp. 1376-1383

Abstract

The association between fine and ultrafine particles and respiratory health was studied in adults with a history of asthma in Erfurt Eastern Germany, Twenty-seven nonsmoking asthmatics recorded their peak expiratory flow (PEF) and respiratory symptoms daily. The size distribution of ambient particles in the range of 0.01 to 2.5 mu m was determinedwith an aerosol spectrometer during the winter season 1991-1992, Mostof the particles (73%) were in the ultrafine fraction (smaller than 0.1 mu m in diameter), whereas moss: of the mass (82%) was attributabletee particles in the size range of 0.1 to 0.5 mu m. Because these twofractions did not have similar time courses (correlation coefficient r = 0.51), a comparison of their health effects was possible, Both fractions were associated with a decrease of PEF and an increase in coughand feeling ill during the day. Health effects of the 5-d mean of thenumber of ultrafine particles were larger than those of the mass of the fine particles, In addition, the effects of the number of the ultrafine particles on PEF were stronger than those of particulate matter smaller than 10 mu m (PM(10)). Therefore, the present study suggests that the size distribution of ambient particles helps to elucidate the properties of ambient aerosols responsible for health effects.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 21:05:40