284 results about "Dust mites" patented technology

The present invention pertains to methods utilizing ozone treatment for abating allergens, pathogens, odors, and volatile organic compounds. The methods can be employed to abate pollutants, bacteria, viruses, mold, dander, funguses, dust mites, animal and smoke odors, and the like. The methods employ specific combinations of ozone concentration, temperature, and humidity to achieve satisfactory abatement of the allergen, pathogen, odor, or volatile organic compound.

The present invention pertains to methods utilizing ozone treatment for abating allergens, pathogens, odors, and volatile organic compounds. The methods can be employed to abate pollutants, bacteria, viruses, mold, dander, funguses, dust mites, animal and smoke odors, and the like. The methods employ specific combinations of ozone concentration, hydrogen peroxide concentration, temperature, and humidity delivered over a specified period of time to achieve satisfactory abatement of the allergen, pathogen, odor, or volatile organic compound.

An autonomous cleaning robot consists of a housing, the autonomous system to drive the robot, and a high power ultraviolet bulb. The ultraviolet bulb is used to disinfect the cleaning surface from various types of allergens including bacteria, mold, and dust mites. The robot itself consists of a hard plastic shell that houses the robots main components and a screen indicating battery life, and cleaning time as well as two buttons to turn the system on and off. The autonomous system uses a series of ultrasonic sensors to calculate the position of the robot relative to obstacles which allow for safe autonomous movement

An allergen-barrier bedding cover made of polyurethane coated cover fabric, which is waterproof yet permeable to water vapor, reduces contamination of bedding, and blocks dust mites and other allergens, and can be washable. The outer face of cover fabric is non-allergic cotton, nano fiber, or Lyocell, and the inner face of cover fabric is coated with polyurethane. The closure is formed with a zipper, of which the back is coated with polyurethane in order to seal the needle holes of the seams sewing zipper tapes and teeth together, and the gap between teeth is less than 0.01 mm to prevent dust mites from passing through it, and the width of the zipper chain is less than 4 mm. A patch coated with polyurethane is attached inwardly at the end of the zipper, where the zipper is closed, to prevent dust mites from passing through the zipper slider. The needle holes of the seams not only between cover fabrics but also between cover fabrics and zipper tapes of the closure are sealed with seam sealing tapes. The allergen-barrier bedding cover prevents the cause of allergy and keeps the sleep environment clean and hygienic.

Methods for producing nucleic acid fragment libraries that express highly diverse peptide domains, wherein the nucleic acid fragments are derived form microorganisms or eukaryotes with compact genomes. Also peptides derived form the libraries wherein the peptides are selected on the basis of their abilities to bind selected target proteins, including c-jun and antibodies raised against dust mite allergens.

The invention discloses a concentrated solution for a pesticide composition and an application method thereof. An active ingredient of the concentrated solution for the pesticide composition is pyrethrins or pyrethroid, a solvent is fatty acid methyl ester or fatty acid ethyl ester, and an additive comprises a food-grade or natural antioxidant and an emulsifying agent. The concentrated solution for the pesticide composition can also comprise plant essential oil which is taken as a synergistic agent. The concentrated solution for the pesticide composition has the advantages that the concentrated solution for the pesticide composition is a pesticide composition with quick knockdown and long-acting effect; and the fatty acid methyl ester as the solvent is a low-volatility organic compound and a material with low maximum ozone generation activity, which reduces the harm of a pesticide to human beings and the environment. The concentrated solution for the pesticide composition forms an oil-in-water emulsifying preparation after the dilution to directly serve as a spraying agent for disinsectization application, or forms a water-in-oil demulsifying agent after being mixed with water and odorless gas to serve as an aerosol for disinsectization application. The concentrated solution for the pesticide composition can be used for the control of insect damage of winged insects and reptiles, indoor dust mites, head louses or body louses of human beings and so on, and the anthelminthic treatment of clothes, and can also be used as a sterilizing agent and a fungicide on a target object.

A disinfecting device is presented having a UV light source for radiation of a cleaning medium to eradicate the medium of infestation agents such as molds, viruses, bacteria and dust mites. The device enhances the disinfection of the medium by providing mechanisms for enhanced penetration of the UV light into the cleaning medium. The device also offers enhanced heat dissipation to promote effective use of the device. Also provided are safety mechanisms to promote the safe and advantageous use of the UV device.

An allergen trap is provided. The allergen trap includes a woven or nonwoven substrate having at least one strata. The trap is impregnated with or otherwise treated with a tacky adhesive by which allergens may be trapped. An example of an allergen is a dust mite. The tacky adhesive, in turn, may be treated with a miticide or activated carbon.

The invention provides a method for preparing an environment-friendly floor board underlayer. The underlayer is prepared by firmly covering a composite catalyst material on a flaky adsorbing filter material. Only by evenly paving the environment-friendly floor board underlayer under a floor board so that the back side of the floor board is contacted with the environment-friendly floor board underlayer closely, the environment-friendly floor board underlayer can clear off harmful gases such as formaldehyde, benzene and the like and off flavor generated and released by the floor board and auxiliary materials, prevent damp and humidify, reject milden and rot, kill and inhibit bacteria, expel insects and prevent moths, increase vitamin-anions and far infrared rays in the air, and reduce the harm of dust mites and respirable particles. The environment-friendly floor board underlayer is advantageous to keep body healthy, prevent floor board form polluting, and prolong the service life of the floor board. The use is simple and convenient without professional constructions, the purification lasts without rebound, and the effect is fast and thorough; and experimental detections show that the degradation rate of the formaldehyde within 24 hours reaches 99 percent, the degradation rate of the benzene within 24 hours reaches 92 percent, the antibacterial rate is 99 percent, the mold prevention is at a zero level, the insect expelling rate is 92.8 percent, and the acute property is is actually at a nontoxic level by oral toxicity test.

The invention discloses a composite antibiotic finishing agent which comprises an organic antibacterial active component, an inorganic antibacterial active component, a penetrating agent, an adhesive, a softening agent, a suspending agent and the balance of water, wherein a non-dissolution type polymer antibacterial agent is selected as the organic antibacterial active component, and silver-loaded nanometer titanium dioxide is selected as the inorganic antibacterial active component. The invention also discloses a method for preparing the composite antibiotic finishing agent and a process used for finishing a mucilage glue and cotton fiber interweaved jacquard fabric. The main material of the composite antibiotic finishing agent for textiles is formed by the organic antibacterial active component and the inorganic antibacterial active component, thus the composite antibiotic finishing agent has a high-efficiency inhibiting capacity of more than 20 kinds of harmful bacteria such as escherichia coli, staphylococcus aureus, gonococcus and the like; the bacteria inhibiting rate is higher than 99 percent; the repelling and preventing rate of dust mites, gamasid mites and chigger is higher than 99 percent; the repelling and preventing rate of dust mites, gamasid mites and chigger is higher than 95 percent, and the killing rate is higher than 90 percent after the mucilage glue and cotton fiber interweaved jacquard fabric is washed for 50 times; and the gonococcus, escherichia coli, staphylococcus aureus and the like do not grow on the fabric which is not washed for 30 times, 50 times or 100 times, and the bacteria inhibiting rate is higher than 99 percent.

The present invention is directed to an Antimicrobial Disposable Seat cover that is made of a material that is light, disposable and biodegradable, but resistant to dust mites, bed bugs, lice, mold, fungi, feces, viruses and bacteria, and a whole host of various microorganisms. Moreover, the provided Antimicrobial Disposable Seat Cover product is waterproof, breathable and as easy to use as a conventional disposable toilet seat cover. It will be AstM f1670 tested, and include an indicator of heat or moisture to indicate prior use. Any available pre-manufactured antimicrobial fabric or textile may be used in construction of the provided Antimicrobial Disposable Seat Cover product. Additionally, any to or textile that has been finished to exhibit antimicrobial characteristics may be used to configure and construct the present Antimicrobial Disposable Seat Covers provided herein.

An allergen trap is provided. The allergen trap includes a woven or nonwoven substrate having at least one strata. The trap is impregnated with or otherwise treated with a tacky adhesive by which allergens may be trapped. An example of an allergen is a dust mite. The tacky adhesive, in turn, may be treated with a miticide or activated carbon.

The invention is a polymeric composition and a method of forming a composition in which a pesticidal desiccant is homogeneously dispersed throughout the polymer. The desiccant is of appropriate size to be incorporated into a polymer melt for eventually forming articles, such as melt spun fibers, from the polymer-desiccant mix. The desiccant may be embedded throughout the body of an article, particularly fibers, produced pursuant to this invention. Silicon dioxide based desiccants that are present within the polymer matrix in an amount between about 0.1 and 2.5 weight percent are useful to provide absorptive properties pursuant to this invention. The desiccant dehydrates the microscopic reservoirs of moisture on which pests, such as a dust mite, survive. In this regard, the invention prevents pests from infesting and thriving on articles formed of the desiccant enhanced polymeric composition.

The invention relates to the technical field of fibers, in particular to a mite and mosquito-bite preventing underwear, sleepwear and home wear which is characterized by comprising the following processing steps of: preparing medical liquid; carrying out dyeing and printing and other pre-treatments on cottons or cotton blended fabrics; preparing bleaching and dyeing liquid; dyeing cloth; carrying out high temperature tentering; and processing so as to prepare the underwear, the sleepwear and the home wear. According to the invention, the fabrics provided by the invention have the obvious effects of mite preventing, mosquito preventing, anti-bacterium, deodorization, rot resistance, itching relieving, blood circulation invigoration and meridians activation and the like; the repellent rate of dust mite is as high as 99 percent; the repellent rate of mosquito is 95 percent; the repellent rate of termite is 95 percent; fabric-touching pathogens such as staphylococcus aureus, staphylococcus epidermidis, gonococcus and esherichia coli and the like can be completely killed; all efficacies of the fabrics still reach to over 97 percent after the fabrics are washed for 50 times; and the fabrics have the advantages of no irritation to skin, no anaphylactic reaction, no toxicity to the human body, comfort for wearing and can effectively prevent the infection of asthma and other diseases.

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.

Isolated nucleic acids encoding an allergen of Dermatophagoides pteronyssinus, Der p III, are disclosed. A cDNA encoding a peptide having a Der p III activity and a predicted molecular weight of about 24,985 daltons is also described. The nucleic acids can be used as probes to detect the presence of Der p III nucleic acid in a sample or for the recombinant production of peptides having an activity of Der p III. Peptides having an activity of Der p III can be used in compositions suitable for pharmaceutical administration or methods of diagnosing sensitivity to house dust mites.

The invention discloses a method for developing a novel indoor acaricide. The novel acaricide uses clove and other Chinese medicinal materials as raw materials, the main active component thereof is eugenic acid, and the novel acaricide is a pure natural chemical substance, has no notable harms to human bodies and other organic bodies, has no potential hazards to the environment too, and can be widely applied to killing, preventing and controlling various dust mites of dermatophagoides pteronyssinus, dermatophagoides farinae and the like in various regions and various indoor environments. The novel acaricide can effectively control the number of the dust mites in the living environments of people, greatly reduce the density of dust mite allergens in the indoor environments, and significantly reduce the disease incidence of dust mite anaphylactic diseases. Besides, the novel acaricide has outstanding effects of preventing and performing adjuvant therapy on various anaphylactic diseases taking the dust mites as the allergens, such as allelgic asthma, rhinitis and the like.

The invention provides a dust mite allergen and application thereof. The dust mite allergen provided by the invention belongs to a congener of cathepsin D, can be used for diagnosis, treatment and prevention of allergic diseases and especially dust mite allergic diseases, and is especially used for diagnosis, treatment and prevention of allergic diseases caused by the 34th component of the dust mite allergen. The dust mite allergen recombinant protein is prepared by gene cloning and protein expression, and has the advantages of high protein purity, high specificity and high yield. When being used for preparing reagents for diagnosing, preventing or treating allergic diseases caused by the dust mite allergen, the dust mite allergen provided by the invention has the characteristics of high specificity and low cost. Especially, the dust mite allergen can be efficiently used for diagnosing whether the patient is allergic to the 34th component of the dust mite allergen.

The invention relates to a quantitative detection kit for detecting one or more allergen specificity IgE antibodies as well as a preparation method and a detection method thereof. The preparation method comprises six steps of preparation of a magnetic separation reagent, preparation of an allergen reagent, preparation of an enzyme reactant, preparation of a calibration material and a quality control material, preparation of a wash concentrate and preparation of substrate A liquid and substrate B liquid. The detection method of the quantitative allergen specificity IgE antibody detection kit is implemented by capturing allergens via allergen specificity IgE antibodies; meanwhile, a chemiluminiscence immunological technique and a magnetic separation technique are combined, so that the detection sensitivity and the specificity of the allergen specificity antibodies are greatly improved, and the detection result is relatively real and reliable, the reaction time and the reaction steps are optimized at the same time and the operation is relatively easy.

The invention discloses a kit and a method for detecting a dermatophagoides pteronyssinus allergen specificity IgE antibody. The kit comprises a calibration material, a quality control material, a biotin-marked dermatophagoides pteronyssinus allergen solution, an alkaline phosphatase-marked mouse-antihuman IgE second antibody solution and a streptavidin-marked nanometer magnetic particle suspension liquid. The kit is utilized to detect the dermatophagoides pteronyssinus allergen specificity IgE antibody. In such a mode, all reagent components in the kit are excellent in stability; the period of validity can reach over one year; the detecting sensitivity is high, the peculiar performance is excellent and the variation is small; a perfect uniform technique is acquired through technical optimization in a large number of experiments; the production is performed in strict accordance with standard production operation specification and quality control regulation; a user can acquire a reliable result by only performing standard operation according to the operation specification; in the clinical research, the conforming relevance with a foreign imported reagent reaches up to over 90% and the cost of the kit is only 1 / 2 of the cost of the foreign imported reagent.

The invention disclosed herein is a system and method for cleaning and sanitizing mattresses infested with insects and bacteria. Specifically, mattresses infested with bed bugs and / or dust mites may be cleaned and sanitized through a series of steps beginning with UV irradiation of the mattress. Next, the mattresses are subject to dry steam of a temperature of approximately 356° F. The mattress is then vacuumed to remove debris and waste. Next the mattress is heated with infrared heaters which produce a temperature of up to 265° F. Finally, the mattress is again vacuumed to remove any remaining debris. The system is mounted on an enclosed trailer so that the system may be transported to a home, hospital, hotel or dormitory to clean and sanitize the mattresses.

The invention belongs to biotechnics in particular a cultivation method of dust mite of room. The steps of said method comprises: collection dust with mites, little cultivation in early stage, a vast amount of cultivation in mast bottle by collecting mites with fine needle and repeat collection by saturated saline flotation method, to cultivate dust mites of room in controlled temperature and humidity, to reach effective performance. The invention avoids a lot amount of work and time, pollution when cultivating in open container, low production of mites, and the degree of purity is more than 90 % contrasted to low degree of purity by traditional method; and the cultivation base is easy to attained and in rational proportion.

A novel protein allergen Der p VII of Dennatophagoides pteronyssinus is described. A cDNA clone encoding Der p VII was isolated from a lambda gt11 library of D. pteronyssinus cDNA. The nucleic acid sequence of der p VII encodes a 198 residue mature processed protein having a predicted molecular weight of 22,177 daltons. Der p VII protein may be used as the active ingredient in therapeutic composition for the treatment of sensitivity to house dust mites. The protein may also be used in methods of diagnosing such sensitivity.

The invention provides a novel lyophilized mite allergen vaccine and a preparation method thereof. The vaccine is prepared by mixing and lyophilizing mite allergen activated protein, a lyophilization protective agent and phosphate buffer solution with pH value of 7.0-8.5 based on the weight ratio of 1:(100-1000):(70-140). Compared with the traditional water preparation, glycerol preparation and preparation containing an aluminum hydroxide adjuvant of the mite allergen vaccine, the lyophilized mite allergen vaccine overcomes use inconvenience of the glycerol preparation, instability of the water preparation and side effects resulting from the preparation containing the aluminum hydroxide adjuvant, thus providing an efficient vaccine product with good stability and good safety for patients allergic to dust mites.

The invention discloses an air purifier through a photocatalyst ultraviolet hydroxyl radical generator and a multiple-filtration system. Firstly, indoor air enters the photocatalyst ultraviolet hydroxyl radical generator through a coarse filtering film; water vapor in the air is made to rapidly generate a large quantity of hydroxyl radicals with extremely strong oxidation through ultraviolet rays with specific wavelength under the catalyzing action of nano-TiO2; the hydroxyl radicals can rapidly kill bacteria, viruses and mould in the air to achieve oxidation decomposition of volatile organic compounds in the air and can also achieve oxidation decomposition of other pollutants generated by natural and human factors, such as methane, nitrogen monoxide, hydrogen sulfide, ozone and other toxic and harmful gases (SO2, O3 and NH3); then the air treated in the former step is subjected to deep filtering through a nanometer cellulose acetate membrane, and residual bodies of pathogens such as tiny bacteria, viruses, mould and dust mite and particulate matter of PM2.5 and the like are adsorbed and filtered out.

A method is provided for deactivating a Der-p and / or Der-f allergen which comprises volatilizing into a space to be treated a deactivating amount of a volatile oil selected from cajeput oil (tea tree oil) or an oil comprising one or more terpene hydrocarbons.

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.