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Titolo:
A new method for collecting airborne allergens
Autore:
Parvaneh, S; Ahlf, E; Elfman, LHM; van Hage-Hamsten, M; Elfman, L; Nybom, R;
Indirizzi:
Karolinska Hosp & Inst, Unit Clin Immunol & Allergy, Dept Med, S-17176 Stockholm, Sweden Karolinska Hosp & Inst Stockholm Sweden S-17176 -17176 Stockholm, Sweden Pharmacia & Upjohn Diagnost AB, Uppsala, Sweden Pharmacia & Upjohn Diagnost AB Uppsala Sweden gnost AB, Uppsala, Sweden Stockholm Univ, Wallenberg Lab, S-10691 Stockholm, Sweden Stockholm Univ Stockholm Sweden S-10691 g Lab, S-10691 Stockholm, Sweden
Titolo Testata:
ALLERGY
fascicolo: 12, volume: 55, anno: 2000,
pagine: 1148 - 1154
SICI:
0105-4538(200012)55:12<1148:ANMFCA>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
FEL-D-I; HOUSE-DUST MITE; DAY-CARE-CENTERS; CAN-F-I; DER-P-I; COCKROACH ALLERGENS; ASTHMATIC-CHILDREN; PARTICLE-SIZE; DOG; HOMES;
Keywords:
airborne; cat allergen; Fel d 1; ionizer; pump; reservoir;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Parvaneh, S Karolinska Hosp & Inst, Unit Clin Immunol & Allergy, Dept Med,S-17176 Stockholm, Sweden Karolinska Hosp & Inst Stockholm Sweden S-17176 holm, Sweden
Citazione:
S. Parvaneh et al., "A new method for collecting airborne allergens", ALLERGY, 55(12), 2000, pp. 1148-1154

Abstract

xxBackground: Measurement of airborne allergens has hitherto been done with the use of fixed-location pumps or personal air samplers. Our objective was to find out whether ionizers could be good tools for collecting airborneallergens. As a model we have used cat allergen (Fel d 1). We have compared Fel d 1 levels collected by the ionizer at different time periods, as well as comparing Fel d 1 levels obtained with the ionizer with those of low- and high-volume pumps. Methods: Dust samples from floors and air samples collected with ionizers and pumps, obtained in 31 homes with cat, 23 homes without cats, and 28 day-care centres, were analysed for cat allergen content (Fel d 1) by ELISA. Results: Fel d 1 was present in the reservoir in all homes with cats, ranging from 660 to 375 000 ng/g (GM 75 000) and in the air collected by the ionizer from 2.0 to 204 ng/24 h (GM 19.3). The allergen in homes without cat varied from < 55 to 1800 ng/g (GM 166). Corresponding levels in air were found in two of these homes (2.3 and 7.3 ng/24 h). There was a correlation between the number of cats and the amount of airborne cat allergen (r: 0.47; P < 0.05). The levels in day-care centres were <55 to 3070 ng/g in dust (GM360) and <1.1 to 7.9 ng/24 h in the air (GM 1.6). We obtained a moderatelystrong correlation between air and dust samples in homes with cats (r,: 0.64; P < 0.001) and in day-care centres (r,: 0.49; P < 0.05). We found that a collection period of 24 h is preferable for the ionizer. The intrahome reliability coefficient was nearly two times higher for the ionizer (r: 0.69)than the pump (r: 0.39). Conclusions: The ionizer seems to be a good tool for monitoring the environment. It is easy to use and silent and does not disturb the airflow in theroom.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/09/20 alle ore 05:56:11