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Optimal conditions for the removal of house dust mite, dog dander, and pollen allergens using mechanical laundry

 Soo-Young Choi  ;  In-Yong Lee  ;  Jung-Ho Sohn  ;  Yong-Won Lee  ;  Yoo-Seob Shin  ;  Tae-Soon Yong  ;  Chein-Soo Hong  ;  Jung-Won Park 
 Annals of Allergy, Asthma & Immunology, Vol.100(6) : 583-588, 2008 
Journal Title
 Annals of Allergy, Asthma & Immunology 
Issue Date
BACKGROUND: Mechanical laundry is an effective tool for the environmental control of allergens, but the optimal conditions for removing allergens are not yet clear. OBJECTIVE: To evaluate the optimal conditions of mechanical laundry for the removal of house dust mite (HDM), dog dander, and pollen allergens. METHODS: The 4 washing modes of 30 degrees C (86 degrees F), 40 degrees C (104 degrees F), 60 degrees C (140 degrees F), and steam water (SW) with detergent were evaluated. Allergen removal performance was assayed using a 2-site enzyme-linked immunosorbent assay (ELISA) or an ELISA inhibition test. RESULTS: Using the 30 degrees C and 40 degrees C washing modes, only 6.5% and 9.6% of Dermatophagoides farinae, respectively, were killed. However, using the 60 degrees C and SW washing modes, all HDMs were killed. The amounts of Der f 1 remaining after the 30 degrees C, 40 degrees C, 60 degrees C, and SW washing modes were 26.8%, 2.4%, 1.3%, and 0.6%, respectively, with unmanipulated contaminated sheets. The effects of rinse on Der f 1 levels after the 30 degrees C washing were greater compared with those after the 40 degrees C, 60 degrees C, and SW modes. The amounts of Can f 1 in the extractions after washing were 0.3% to 1.3% for all modes, and all extracts, even without a rinse, did not inhibit specific IgE binding to dog allergens according to ELISA. The remaining pollen allergen levels after washing were lower in the 60 degrees C and SW modes than in the lower temperature modes. However, the levels did not differ among the various washing modes after rinsing once. CONCLUSION: Water temperature and number of rinses are critical factors for the removal of HDM, dog dander, and pollen allergens
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1. College of Medicine (의과대학) > Dept. of Environmental Medical Biology (환경의생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Jung Won(박중원) ORCID logo https://orcid.org/0000-0003-0249-8749
Yong, Tai Soon(용태순) ORCID logo https://orcid.org/0000-0002-3445-0769
Lee, Yong Won(이용원)
Hong, Chein Soo(홍천수)
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