Search results
Results from the WOW.Com Content Network
Dermatophagoides pteronyssinus Dust mite faecal pellets that can be small as 10 μm, [1] but can be contained by anti-mite fabrics of a denser pore size. [2]House dust mites (HDM, or simply dust mites) are various species of acariform mites belonging to the family Pyroglyphidae that are found in association with dust in dwellings. [3]
The first allergen to be purified and characterized was Der p 1, in a 1980 study by Martin D. Chapman and Thomas Platts-Mills. [10] [11] By the end of the decade, it was suspected that Der p 1 was a cysteine protease when its structure showed similarities to that of actinidin and papain. [12]
From this perspective, D-values can be understood as roughly analogous to half lives of radioactive substances, however a half life involves a reduction of 50% rather than 90%. The half life is actually roughly 30% (log 10 2 ≈ 30.103%) of the D-value, so if D = 10 minutes, the number of living microorganisms will be halved in about 3 minutes.
Three species of house dust mite are commonly found in human dwellings; Dermatophagoides farinae, Dermatophagoides pteronyssinus and Euroglyphus maynei.They feed on flakes of skin found in dust and typically occur on carpets, around sofas and chairs, and on mattresses.
Mites are small invertebrates, most of which are free living but some are parasitic. Mites are similar to ticks and both comprise the order Acari in the phylum Arthropoda . Mites are highly varied and their classification is complex; a simple grouping is used in this introductory article.
The Village People’s lyricist and lead singer has hit out at the “false assumption” that the band’s biggest hit, “YMCA,” is a “gay anthem.”
2. Hoppin’ John. Southerners are usually eating Hoppin’ John (a simmery mix of black-eyed peas and rice) on New Year's Day. Like most “vegetable” recipes from around this area, it contains ...
The RAST is a radioimmunoassay test to detect specific IgE antibodies to suspected or known allergens for the purpose of guiding a diagnosis about allergy. [10] [11] IgE is the antibody associated with Type I allergic response: for example, if a person exhibits a high level of IgE directed against pollen, the test may indicate the person is allergic to pollen (or pollen-like) proteins.