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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]
In microbiology, in the context of a sterilization procedure, the D-value or decimal reduction time (or decimal reduction dose) is the time (or dose of an antimicrobial drug) required, at a given condition (e.g. temperature) or set of conditions, to achieve a one-log reduction, that is, to kill 90% of relevant microorganisms. [1]
D. pteronyssinus grew more rapidly when A. penicillioides was supplemented with dietary components, such as yeast and wheat germs, suggesting that the fungus has nutritious value for the mites. [12] Specifically, A. penicillioides predigests dandruff, destructs fats and keratin, which are the main components of mites' food. [13] The fungus also ...
The IgG, IgE and IgA antibody isotypes are generated following class-switching during germinal centre reaction and provide different effector functions in response to specific antigens. IgG is the most abundant antibody class in the serum and it is divided into 4 subclasses based on differences in the structure of the constant region genes and ...
Police in New Mexico said a 16-year-old teen killed four members of his family including his mom, dad and siblings over the weekend.
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.
What You Can Feed Your Cat at Christmas (But Probably Shouldn't). Turkey breast: If you really feel the need to share your Christmas dinner with your cat, you can give some turkey breast.Do not ...