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  • Title: [Immunochemical quantification of the airborne mite allergens].
    Author: Matsuno M, Murakami G, Adachi Y, Adachi Y, Kayahara M, Igarashi T.
    Journal: Arerugi; 1989 Oct; 38(10):1142-9. PubMed ID: 2589971.
    Abstract:
    We collected airborne particle from indoor air by using a high-volume air sampler, and measured mite allergens in the air-filter extract by use of RAST inhibition assay. The results obtained were as follows: 1) The assay revealed the presence of house dust mite allergen in the indoor air varying from 690 to 129000 pg/m3. 2) In apartments, seasonal fluctuations of house dust mite allergen in the indoor air demonstrated a peak in autumn (September and October), and showed a tendency to increase in spring. In our outpatient clinic, the quantity of house dust mite allergen in the indoor air varied from 690 to 5670 pg/m3, while there were few mites on the floor, and showed a tendency to increase in winter. 3) There was a significant correlation between the quantity of house dust mite allergen in the indoor air and the number of mite in house dust (r = 0.535, p less than 0.01). 4) The amount of D.f. allergen in the indoor air was significantly decreased by using air cleaners (p less than 0.005). These results showed that the quantification of house dust mite allergen was useful from the clinical point of view as a parameter of mite pollution indoors, and it was important for asthmatics to live in clean environment, and to decrease the number of mites in house dust.
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