33 results about "House dust mite" patented technology

A sheet of pliable, washable material is configured to cover at least a portion of a piece of furniture, such as a mattress. A manifold and a plurality of air flow tubes are formed in the sheet, with the air flow tubes in communication with the manifold. The air flow tubes include top surfaces that are constructed to release air at a controlled rate therethrough. The sheet helps reduce exposure to allergens and other harmful particles, including the house dust mite.

Pesticidal compositions for the control of dust mites containing one or more plant essential oils. In addition, the present invention is directed to a method for controlling dust mites by applying a pesticidally-effective amount of the above pesticidal compositions to a locus where pest control is desired.

The invention provides a method for producing a modified major mite allergen, obtained by altering a major allergen of house dust mites by gene engineering, which involve the steps of culturing prokaryotic or eukaryotic host cells transformed with a replication vector containing a gene encoding modified major mite allergen expressed from a promoter and collecting the expressed modified major mite allergen from the culture. The present invention provides a modified major mite allergen produced by the method, DNA molecules encoding same, and a pharmaceutical composition containing the modified major mite allergen.

The present invention provides isolated peptides of the major protein allergens of the genus Dermatophagoides. Peptides within the scope of the invention comprises at least one T cell epitope, or preferably at least two T cell epitopes of a protein allergen selected from the allergens Der p I, Der p II, Der f I, or Der f II. The invention also pertains to modified peptides having similar or enhanced therapeutic properties as the corresponding, naturally-occurring allergen or portion thereof, but having reduced side effects. The invention further provides nucleic acid sequences coding for peptides of the invention. Methods of treatment or of diagnosis of sensitivity to house dust mites in an individual and therapeutic compositions comprising one or more peptides of the invention are also provided.

An insecticide composition is isolated from Paeonia suffruticosa, Cnidium officinale, Cinnamomum cassia, mustard (Brassica juncea) and horseradish (Cholearia aroracia) by using methanol or by elution with a solvent including hexane and ethyl acetate. The composition can be used to eradicate house dust mites and insects found in stored products.

A method for culturing and producing mites, such as house dust mites, comprising culturing the mites in a suitable solid growth medium, under suitable conditions and for a suitable period of time in a suitable production room, characterized in that the mites are cultured in medium comprised within a closed bag.

The invention relates to a pharmaceutical product comprising an allergen extract or an allergoid thereof for the treatment and / or prevention of allergy and allergic asthma caused by house dust mites, which extract comprises at least one extract of mite bodies selected from the following groups a)-b): a) An extract of Der p mite bodies, and b) An extract of Der f mite bodies, and at least one extract of mite cultures selected from the following groups c)-g): c) An extract of Der p faecal particles, d) An extract of Der f faecal particles, e) An extract of Der f whole mite culture, f) An extract of an Der p whole mite culture, and g) a combination of extracts c) to f).

The present invention relates to compositions comprising peptides for preventing or treating allergy to house dust mites, and in particular to optimal combinations of peptides for preventing or treating said allergy.

House dust mites may be combatted by using a netting structure against a house dust mite habitat such as a mattress or cushion. The surfaces of the fibres of the yarns from which the netting structure is made carry particles of pyrethroid, preferably permethrin or deltamethrin.

The present invention relates to the use of a Der f 2 allergen composition for the manufacture of a vaccine for preventing or treating allergy to Der p 2, as well as to the use of a Der p 2 allergen composition for the manufacture of a vaccine for treating allergy to Der f 2.

The invention belongs to the field of pharmacy and pharmacy, and in particular relates to a cream for blocking nasal allergens. The cream for blocking nasal allergens of the present invention is composed of vaseline and a rheology regulator, and has good extensibility. Applying this product to the nasal cavity can effectively prevent pollen, dust, house dust mites or animals from flowers, plants and trees. An allergic reaction to an allergen such as hair.

The invention discloses an insecticide aerosol. The aerosol comprises the following components in percentage by weight: 0.01 to 0.2 percent of imiprothfin, 0.1 to 0.3 percent of ES-bioallethrin, 0.1 to 0.3 percent of d-phenothrin, 0.4 to 1.5 percent of octacide 264, 0.4 to 2.0 percent of butoxide, 29 to 68 percent of organic solvent and 29 to 68 percent of propellant, wherein the octacide 264 is N-(2-ethylhexyl) bicyclo-[2,2,1] heptyl-5-alkene-2,3-dicarboximide; and the butoxide is 3,4-methylene dimethoxy-6-propylbenzyldiethyleneglycol butyl ether. The insecticide aerosol has good effects on killing, preventing and controlling a plurality of pests such as mosquitoes, flies, cockroaches, ants, fleas, house dust mites and the like, has the characteristics of high efficiency, broad spectrum, low toxicity and no residue and is safe to human beings and livestock and compatible to the environment.

The invention discloses a preparation method of composite long-acting antibacterial and anti-mite down fibers. The preparation method comprises the following steps of: (1) selecting down raw materials; (2) pre-treating, namely removing stems of the raw materials, removing sand dust, finely classifying, carrying out primary washing, washing and dehydrating; (3) immersing the down raw materials, which are cleanly washed, into a water solution containing 0.6% (o.w.f) of a Sanitized antibacterial and anti-mite auxiliary agent AM98-12N, 1% (o.w.f) of modified chitosan, 2% (o.w.f) of an Archroma chemical binding agent Appretan N 96101 at 40-50 DEG C for 30min; and (4) dehydrating, pre-drying, baking and cooling the immersed downs. The down fibers prepared by the method provided by the invention has an obvious antibacterial and anti-mite effect; the bacteria inhibition rates on candida albicans, escherichia coli and staphylococcus aureus reach more than 99%, and the repelling ratio of house dust mites reaches more than 95%; the composite long-acting antibacterial and anti-mite down fibers have the long-acting property and have a protection effect on daily health of people, and the living quality of people is greatly improved.

The present invention relates to a natural acaricide having acaricidal activity against mites and an identification marker. More specifically, the present invention relates to a natural acaricide, an identification marker having an effect of identifying mites, and a method for manufacturing the same, the natural acaricide having excellent acaricidal activity effect against mites such as house dust mites and Haemaphysalis longicornis (murder mites) while using materials obtained by fractionizing and purifying essential oil of Melissa officinalis (lemon balm) or Morindae officinalis Radix extracts, which are natural ingredients, not synthetic materials.

To provide an IgA production promoter capable of being easily ingested safely and continually, for example orally and capable of preventing infection by inhibiting the binding of pathogenic microorganisms to alimentary canal mucosa and preventing an allergic reaction by blocking the passage of allergen materials such as pollen and house dust through the wall of the alimentary tract. The present invention consists of an IgA production promoter comprising hydroxypropyl starch as an effective ingredient. The IgA production promoter of the present invention can be safely and continually ingested because the effective ingredient thereof is hydroxypropyl starch used in food and the like, and can prevent infection by inhibiting the binding of pathogenic microorganisms to alimentary canal mucosa and prevent an allergic reaction by blocking the passage of allergen materials such as pollen and house dust through the wall of the alimentary tract.

Methods for neutralizing dust mite feces are disclosed. In one embodiment, a botanical extract having a BAPNA-Trypsin Inhibition (IC50x10<-3 >(%, v / v or w / v) of from about 0.01 to about 500 and a sufficient solubility in water is introduced into water to form an aqueous botanical extract solution. The aqueous botanical extract solution is atomized into an area being treated such that the botanical extract contacts and neutralizes the dust mite feces located in the area. Particularly preferred botanical extracts for use in the botanical extract aqueous solutions of the present invention include Green Tea Extra and Grape Seed Extract.

The invention discloses a radix bupleuri total saponin extraction process, which avoids the traditional n-butyl alcohol extraction process, adopts a macroporous resin combined method, and optimizes aseries of conditions to enable the saponin content in the final refined product to reach more than 75%. Component characterization is carried out by using high-resolution mass spectrometry, and 33 saponin compounds are characterized in total in a positive and negative ion mode. Meanwhile, animal experiments prove that the radix bupleuri total saponins can obviously inhibit increase of inflammatoryfactors of house dust mite sensitized asthma mice and improve pathological changes of lung tissues, are safe and free of toxic and side effects, can be used for preparing the medicine for preventingor treating asthma, and have good clinical application prospects.

A multifunction air purifying device which has functions for eradicating house dust mites, collecting dust and producing warm, cleaning air comprises of a main body (1) incorporates a printed circuit board (PCB) (5), an aspiring module (2) provided within said body, connected electrically to the PCB (5), multiple buttons disposed on a surface of the body (1) connect electrically to the PCB (5) and a handle (4) attached to the body (1). Said body (1) consists of a substrate (11), a cover (12) with a suction hole (121), and a base (13) with an exhaust hole (131). Said aspiring module (2) is composed of a housing (21) having an air intake (211) and an air outtake (212), a centrifugal fan (22), a motor (23), and a heating means (24).

The present invention relates to a pet healthcare device with an antibacterial and sterilizing system, and more specifically, to a pet healthcare device with an antibacterial and sterilizing system, in which the circulation of air is made through five steps of passing through a discharge part including an antibacterial material, a suction part, a fan filter, a HEPA filter, an UV-CLED lamp and a copper coating pin heater, and thus the skin of a pet is cared, and fine dusts, house dust mites, and fungus spores in hair polluted by outside air and dead hair from a molting pet can be effectively removed.

The present invention relates to a method of treating allergic asthma in a subject in need thereof comprising a step of administering to said subject a therapeutically effective amount of a polypeptide comprising or consisting of a biologically active fragment of the house-dust mite Dermatophagoides pteronyssinus Der p 2.1. Inventors have used a model allergy in a severe asthma allergic (mouse Balbc). They have surprisingly found that when they injected twice the polypeptide derp2.1 in the mouse model after a third asthma attack, the mouse presents a respiratory improvement, reduction of neutrophils and eosinophils in the broncho-alveolar lavage (BAL), an increase of regulators lymphocytes T and reduction of natural killer cells in the BAL. Thus, the polypeptide derp2.1 is a new tool to treat the allergic asthma by a restoration of lung function and reduction of inflammatory environment.

The invention relates to novel immunogenic polypeptides identified in house dust mites and storage mites, which have the potential to be used in allergy immunotherapy, for diagnostic purposes, eventually via production of antibodies binding the polypeptide or for characterising allergen extracts of house dust mites and storage mites.

Polymeric articles such as fibres and foams having incorporated therein a chemical compound which has antifungal activity against fungi of the groups Aspergillus glaucus and / or A. restrictus are useful in controlling house dust mites and bedmites Dermatophagoides spp.

The invention discloses a kit for semi-quantitative allergen screening. The kit comprises a nitrocellulose membrane strip coated with 19 allergens, a biotinylated anti-human IgE antibody, streptavidin labeled by alkaline phosphatase and a substrate solution, the allergens include willow / poplar / elm, common ragweed, mugwort, dermatophagoides pteronyssinus / dermatophagoides farinae, house dust, cat hair, dog epithelium, cockroaches, penicillium notatum / cladosporium / aspergillus fumigatus / alternaria, scandent hop, egg white, milk, peanuts, soybeans, beef, mutton, cod / lobster / scallop, shrimps and crabs. 19 common allergens can be qualitatively and quantitatively detected through one-time detection, and the method has the advantages that the operation is simple, the detection efficiency is greatly improved, the production and use cost is reduced, and the popularization and application of allergen detection are facilitated.

A system and method of effectively controlling household allergens or pests such as house dust mites or bed mites. The system comprises a container fluidly coupled to a covering, wherein the covering surrounds the household pests' environment. The method for effectively controlling the household pests comprises: surrounding or coupling a covering to a furnishing: connecting a pressurized fluid container to the covering; filling the covering with the fluid in the container; leaving the filled covering for a period of time; and removing the covering. The system and method may be used for pests' environment such as household furnishings.