Please use this identifier to cite or link to this item: https://doi.org/10.1034/j.1398-9995.2003.00095.x
Title: Laboratory assessment of the efficiency of encasing materials against house dust mites and their allergens
Authors: Mahakittikun, V.
Komoltri, C.
Nochot, H.
Angus, A.C.
Chew, F.T. 
Keywords: Encasing
House dust mite
Impermeable covers
Mattress covers
Issue Date: 1-Oct-2003
Citation: Mahakittikun, V., Komoltri, C., Nochot, H., Angus, A.C., Chew, F.T. (2003-10-01). Laboratory assessment of the efficiency of encasing materials against house dust mites and their allergens. Allergy: European Journal of Allergy and Clinical Immunology 58 (10) : 981-985. ScholarBank@NUS Repository. https://doi.org/10.1034/j.1398-9995.2003.00095.x
Abstract: Background: The current recommendation to reduce mite allergen exposure for mite-sensitive individuals is to use allergen-impermeable bed coverings. As these covers are made of various kinds of materials, they vary in quality. The objective of this study was to investigate the efficiency of different covering materials against house dust mites and their allergens in vitro. Methods: Four types of materials including (1) plastic cover, (2) polyurethane-coated cover, (3) non-woven covers, (4) tightly woven microfiber covers and a regular cotton bed sheet (as a control) were evaluated using three methods: (i) heat escape method, (ii) Siriraj chamber method and stereomicroscopy, scanning electron microscopy and (iii) enzyme-linked immunosorbent assay (ELISA). Results: We found that there was a statistically significant difference in allergen permeability among four types of coverings (P < 0.001). In terms of the impermeability to mites and their allergens, plastic- and polyurethane-coated covers were observed to be the best, followed by non-woven, woven and cotton-based bed sheets. A regular cotton-based bed sheet allows a significant amount of leakage of mite allergens. Both woven and non-woven material are efficient barriers against mite allergen in terms of impermeability. However, with regard to mite colonization, non-woven covers have the drawback of mites being able to penetrate and colonize within the fabric fibers. Woven covers are therefore recommended because of their major advantages of not allowing the colonization of mites within the fabric, being easy to clean, and comfortable. Conclusion: The three assessment methods used in this study could be useful as a primary approach to evaluate the quality of covering materials in vitro using both pore size and ability to be colonized by mites on the materials as the key factors.
Source Title: Allergy: European Journal of Allergy and Clinical Immunology
URI: http://scholarbank.nus.edu.sg/handle/10635/101002
ISSN: 01054538
DOI: 10.1034/j.1398-9995.2003.00095.x
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