320 results about "Influenza (flu)" patented technology

The invention relates to a composition for killing virus and preventing influenza and a cold prevention plaster prepared by the composition. An aromatic traditional Chinese medicine volatile extract product and fragrant plant essential oil are used as effective components of the plaster; high-molecular colloid, which can be compatible with the effective components and has a stereo network structure, and an excipient are used to wrap the effective components to prepare a microcapsule; the microcapsule is used to coat on a matrix to prepare a tablet; a double faced adhesive tape is used to plaster the tablet at the position close to mouth and nose (such as collar, shoulder, chest and the like) so as to allow the effective components to slowly release at uniform speed. The plaster can be used to kill pathogen and virus in the air and enhance the immunity of upper respiratory tract, has an obvious effect of preventing influenza, and has a certain prevention effect for common cold, hand-foot-mouth disease, varicella, measles, epidemic encephalitis B, epidemic mumps, chronic respiratory tract diseases and the like. The plaster is convenient to use, has fragrant smell and is safe without side-effect.

The invention relates to a traditional Chinese medicine mixture for treating livestock and poultry virosis and a preparation method thereof. The traditional Chinese medicine mixture contains the contents according to the parts by weight: 10-40 of radix isatidis, 10-40 of folium isatidis, 7-20 of honeysuckle, 3-9 of radix bupleuri, 1-6 of radix lithospermi, 5-20 of forsythia, 5-20 of scutellaria baicalensis, 3-9 of lightyellow sophora root, 2-7 of coptis chinensis, 4-11 of raidx astragali and 1-6 of liquorice. The traditional Chinese medicine mixture has reasonable compositions, convenient mixture taking, obvious effects and no mixture residues, conforms to the safe requirement of animal-derived foods and can be effectively applied to preventing and curing the infective livestock and poultry virosis of chicken flu, newcastle diseases, duck hepatitis viruses, swine fever, virus diarrhea, and the like. The traditional Chinese medicine mixture has the advantages of low cost, simple preparation process and no environmental pollution and is suitable for industrial production.

The present invention is directed to compositions that are useful in the prevention and treatment of common cold and influenza-like symptoms due to respiratory tract viral infections. These compositions comprise a guaiacol component, and a mucoadhesive polymer wherein the pH of the composition is about 5.5 or less.

The invention discloses a Chinese medicine composition for treating exogenous febrile diseases and an application thereof, belonging to the technical field of traditional Chinese medicines. The Chinese medicine composition is prepared from the raw medicinal materials in certain proportions: honeysuckle, cicada slough, batryticated silkworm, fructus forsythiae, radix scutellariae, herba schizonepetae, fructus arctii, radix bupleuri, fried gardenia, mint, platycodon grandiflorum, fermented soybean, licorice and other raw materials. The Chinese medicine composition has the efficacies of clearing away heat and elevating clear qi to lower turbid qi and has remarkable curative effects on acute bronchitis, acute laryngitis, suppurative tonsillitis, pneumonia, influenza and other exogenous fever symptoms.

The invention relates to a traditional Chinese medicament combination for treating children pharyngolaryngitis, a preparation method and a quality control method thereof; and the medicament combination consists of raw herbal materials of honeysuckle, calculus bovis, blackberry lily, tinospora root, balloonflower and radix scrophulariae, etc. According to traditional Chinese medicament conventional technology, the raw herbal materials are prepared into various preparations suitable for clinical application, including tablets, capsules, oral liquid preparations, dropping pills, granules, etc. The quality control method comprises the qualitative identification of thin layer chromatography and the content determination of high performance liquid chromatography and the like. The medicament combination is used for treating influenza, upper respiratory tract infection, and swollen sore throat, erosion of mouth and tongue, cough with profuse sputum, pharyngitis and laryngitis, tonsillitis, fever and the like caused by lung excess heat with obvious curative effect.

The invention discloses an influenza / human and avian influenza virus detection gene chip and a preparation method and an application thereof, 102 probes used for detecting A type, B type, H1N1 hipotype, H3N2 hipotype, H5N1 hipotype and H9N2 hipotype influenza viruses and 4 highly pathogenic differential diagnosis probes, as well as a process of sample treatment, hybridization, elution and chip identification which can carry out detection, typing or identification over the 6 types of viruses simultaneously and can identify the high pathogenicity of viruses. The invention not only greatly shortens the detection time of influenza viruses, but also improves the detection accuracy and provides a feasible technique support for the early warning mechanism of influenza epidemic situation in fields of clinical diagnosis, inspection quarantine, and the like.

The invention provides a pathogen inspection reagent, and concretely discloses a primer probe combination and a kit for combined inspection of 15 kinds of respiratory tract infection pathogens. By aiming at specific target sequences of the gene sequence conserved region of klebsiella pneumoniae, haemophilus influenzae, streptococcus pyogenes, staphylococcus aureus, escherichia coli, chlamydia pneumoniae, mycobacterium tuberculosis, stenotrophomonas maltophilia, baumanii, mycoplasma pneumoniae, enterococcus faecalis, ligionella pneumohpillia, streptococcus pneumoniae, bacillus pyocyaneus and mycobacterium abscessus, primers and probes which do not have mutual crossed reaction are designed, so that the problem that detection probes of different pathogens can easily generate mutual influenceor interference is solved; the combination and matching of different primers and probes are ensured; the goal of simultaneously performing efficient specific inspection at the same temperature can also be achieved.

The invention concerns agents for the treatment of acute and chronic infections with human and animal pathogenic viruses which assemble along the cell membrane and are released through budding on the surface of the cell. Hereunto count especially causative agents of infectious diseases such as AIDS, hepatitis, hemorrhagic fever, SARS, smallpox, measles, polio or the flu. The subjects of the invention are agents that contain inhibitors of the protein folding as active components. Hereunto count inhibitors of cellular folding enzymes (the enzymatic chaperones) as well as substances that disturb the folding of proteins through chemical chaperones. The following substance classes and their derivates belong thereunto: Geldanamycin, Deoxyspergualin, 4-PBA or Herbimycin A. Due to these agents the highly organised processes of the assembly and the proteolytical maturation of virus structure proteins is disturbed. As a result the release and production of infectious decendent viruses is prevented.

The invention provides a test kit for detecting nucleic acid of respiratory tract pathogens. The kit comprises a CRISPR-Cas detection system: crRNA, a primer pair, Cas protein and a nucleic acid probethat are described in the invention. The invention further provides a detection method of the nucleic acid of the respiratory tract pathogens, a combination of the crRNA and the primer pair and application of the combination. The test kit and the detection method disclosed by the invention can be used for directly observing results by naked eyes without depending on a large instrument, and detection can be realized under a mild condition, so that the detection is more convenient; the test kit and the detection method provided by the invention can be used for efficiently and rapidly detecting / diagnosing the respiratory tract pathogens (such as flu A, flu B and COVID-19), have relatively high specificity and sensitivity, and can be used for detecting and screening the respiratory tract pathogens, for example, rapidly distinguishing various respiratory tract pathogens including the flu A, the flu B and the COVID-19.

The invention discloses a method for detecting a system for quickly screening a fever pathogen, and mainly relates to detection of a tuberculosis antibody, a flu antibody, a bird flu antibody, a plague antibody and an SARS antibody in blood serum. The chip mainly comprises coding microspheres, a coating antigen, a detection antibody, a biotinylated antibody and a streptavidin-phycoerythrin. The method comprises the following steps that: the coating antigen and the coding microshperes are coupled; the detection antibody is respectively coupled with the corresponding microspheres in separate specificity; the red laser excites the classified fluorescence on the spherical substrate; the type is determined according to different colors of the spherical substrates, wherein the biotinylated antibody is combined with the detection antibody; and the streptavidin-phycoerythrin is combined with the biotin of the detection antibody captured by the microshperes; the green laser excites the phycoerythrin, the number of report fluorescence molecules combined on the spherical substrate is measured, and the number is used for indirectly determining the content of the detection antibody combined onthe spherical substrate, so that whether the pathogen infection exists is determined, and the aim of quickly screening the fever pathogen is achieved.

The invention belongs to the field of medicines and particularly relates to a new application of an iridoid glycoside compound, genipin-1-[beta]-D-gentiobioside, and a composition composed by compounding the genipin-1-[beta]-Dgentiobioside with other components as effective components for preparing antiviral drugs, antibacterial drugs, fever alleviating drugs, inflammation resistant drugs and anti-oxidizing drugs. The iridoid glycoside compound and the composition can be used for treating acute respiratory infection, flu, pneumonia, viral hepatitis type B, herpes zoster, herpes viral keratitis, viral myocarditis, Epstein-Barr virus infection, retrovirus infectious diseases and bacterial infectious diseases.

The invention discloses a method for predicting flu antigen through a model and an application thereof. The method comprises the following steps: extracting 12 features affecting the flu antigen, wherein the 12 features include mutation numbers of five antigenic determinant amino acid, five physical and chemical properties of HA protein amino acid, factor affecting receptor, and number of glycosylated site, the five physical and chemical properties of amino acid include hydrophobicity, volume change, electriferous property, polarity and integrable surface area; and making statistics on the 12 features of 3681 virus pairs similar to known antigen and 1720 virus pairs variant from antigen, thereby establishing a prediction model on antigen relation. On the basis of sequence, the method can present the antigen relation among viruses, and thus having the advantages of simpleness, convenience and high sensitivity. The process of antigen evolution can be visually displayed through the network. The invention is used for revealing flu spreading rules, screening vaccine candidate strains and the like.

The invention relates to a robot with environment monitoring and haze removal, formaldehyde removal and sterilization functions. The robot comprises a robot head (1), a connecting part (2), a torso (3), an air monitoring device (4) and a haze removal and formaldehyde removal sterilization device (5), wherein the robot head (1) is rotationally connected with the connecting part (2), and the robot head (1) and the connecting part (2) are fixedly connected to the torso (3); and the air monitoring device (4) is wirelessly connected with the robot head (1), and the haze removal and formaldehyde removal sterilization device (5) is wirelessly connected with the robot head (1). The robot with the environment monitoring and haze removal, formaldehyde removal and sterilization functions can monitorthe air quality, meanwhile, the robot can intelligently turn on the air purification function or the ozone sterilization and disinfection function according to the air quality condition, the occupiedspace is small, and the use is convenient, in addition, the robot can analyze the body temperature health condition of people in the flu season through face recognition and body temperature detection,the robot can provide early warning for people with significantly elevated body temperature, and the effect of influenza prevention is achieved.

The invention discloses compounds having virus resistance and a composition thereof. The composition comprises one or more of the 13 compounds comprising 6'-O-caffeoyl deacetyl asperulosidic acid methyl ester. The compounds having virus resistance and the composition thereof can be extracted from plants and can also be prepared by synthesis. The composition comprising the compounds having virus resistance can prevent and treat viral infection-caused diseases such as influenza, myocarditis, conjunctivitis, viral pneumonia, encephalitis, leukemia, hepatitis B, hepatitis C, AIDS, genitourinary system infection, EB virus infection, human papillomavirus infection and cytomegalovirus infection. The composition can be prepared into an oral preparation, an injection, a spray, a subcutaneous injection and an anus suppository.

The invention relates to a method for preparing a genetic engineering product, in particular to a prokaryotic expression protein of VP73 gene from African swine fever virus (ASFV) and a preparation method thereof. The preparation method comprises: artificially synthesizing the whole-length sequence of VP73 gene according to the sequence of the VP73 gene from ASFV in GenBank, constructing a recombinant expression vector pET32a-VP73, sequencing, verifying, transforming prokaryotic expression recipient bacteria E.coli BL21(DE3), and inducing expression by isopropyl-1-thio-beta-d-galactopyranoside (IPTG), wherein the molecular weight of the recombinant fusion protein is about 65KD. Protein purified by nickel column affinity chromatography can undergo a specific immune imprinting reaction with ASFV positive serum and avoid cross reaction with viruses such as swine fever virus, hog cholera virus, porcine circovirus, porcine reproductive and respiratory syndrome virus, swine influenza virus and pseudorabiesvirus. Experiments show the expressed protein has high detection sensitivity, and high specificity. When the antigen is used for detection, risk of spreading poison is avoided. And the antigen can be used as a detection antigen for use in an enzyme-linked immuno sorbent assay (ELISA) method for identifying an ASFV antibody.

The present invention discloses one kind of antiviral Chinese medicine preparation and its preparation process, quality control method and application. The antiviral Chinese medicine preparation is prepared with cape jasmine, skullcap root and epimedium or their extracts or effective parts. It is used in treating pneumonitis, infection of respiratory tract, influenza, bird flu, SARS, asthma and other diseases.

The invention is a method of treatment of the symptoms related to inflammation that accompanies the release of Tumor Necrosis Factor-alpha in diseases such as viral infection such as those affecting the respiratory tract by providing systemic glutathione (reduced) by oral administration of glutathione (reduced) in a liposome encapsulation or by the intravenous administration of reduced glutathione. The administration of a therapeutically effective amount of oral liposomal glutathione (reduced) results in improvement of symptoms of disease induced by the release of TNF-α in infectious disease states such as respiratory and other viruses. The product is novel in that it is stable across the temperature ranges encountered in shipping and does not need to be refrigerated for storage. Compounds enhancing the effect of the liposomal glutathione as well as intravenous glutathione are contemplated such as Selenium.

The invention provides an azacyclo diketone compound, which is a compound represented by the following structure defined in the specification, or a pharmaceutically acceptable salt thereof. The invention provides a compound having an inhibitory activity on influenza (flu) virus proliferation, particularly on influenza-related cap-dependent endonuclease to inhibit influenza virus proliferation so as to treat or prevent influenza. The present invention relates to a substituted azacyclo diketone compound having inhibitory activity on cap-dependent endonuclease, and a pharmaceutical composition containing the substituted azacyclo diketone compound.

The present invention relates to formulations containing extracts of Vaccinium myrtillus or other species rich in anthocyanosides, Punica granatum, Echinacea, and optionally Krameria triandra. Said formulations are useful in the treatment of disorders of the mouth and its adnexa, the throat and respiratory tract, and in the treatment of influenza.

The invention relates to polypeptide, protein or peptide-like medicine from influenza virus hemagglutinin, and a method of the polypeptide, belongs to the technical field of biological medicines, and in particular relates to eight influenza virus hemagglutinin fragment peptides which can block influenza virus infection and have the serial numbers SEQ ID NO.1 to SEQ ID NO.8. The fragment peptides can inhibit and block infection of different species and influenza viruses of different subtypes to a host, including multiple influenza virus strains such as highly pathogenic avian influenza virus, seasonal human influenza virus and the like. The invention provides the peptide sequence (including amino acid sequences of peptides and polynucleotide sequences of encoded peptides), derivative peptides (including amino acid sequences of peptides and polynucleotide sequences of encoded peptides), peptide compositions and independent or united applications of peptides in preventing or treating influenza virus, such as medicine combination of peptides provided by the invention and other anti-influenza medicines.

The invention discloses a method for obtaining nucleic acid of influenza virus in an influenza sample and a special primer thereof. A primer pair for amplifying the nucleic acid of the influenza virus consists of a primer as shown in a sequence 9 in a sequence table and a primer as shown in a sequence 10 in the sequence table. The method for obtaining influenza viral genome DNA (deoxyribonucleic acid) comprises the following steps: based on the total RNA (ribonucleic acid) of a sample infected by influenza virus as a template, carrying out RT-PCR (reverse transcription-polymerase chain reaction) amplification with the primer pair so as to obtain a RT-PCR amplification product, namely the nucleic acid of the influenza virus. Through the method in the patent, virus separation is not carried out and the genome of the influenza virus is amplified directly from a nucleic acid extractive of a clinic sample, thereby greatly simplifying the program of influenza virus gene research and saving experiment cost. Based on the method, the primer is amplified through designing the segments of the influenza virus, so that all the segments of the influenza virus can be directly and successfully amplified.

The invention discloses a primer group for detecting respiratory tract microorganisms based on a nanopore sequencing method. The nucleotide sequences of the primer group are as shown in SEQ ID NO:1-20. The microorganisms are streptococcus pneumoniae, staphylococcus aureus (resisting to methicillin), klebsiella pneumoniae, pseudomonas aeruginosa, acinetobacter baumannii, stenotrophomonas maltophilia, candida albicans, haemophilus influenzae, legionella pneumophila, enterococcus faecium, chlamydia psittaci, cryptococcus gattii, aspergillus fumigatus and pneumocystis jiroveci. According to the invention, sequencing optimization is carried out on different types of samples of the respiratory tract microorganisms, so that the detection method, the kit and the like are suitable for various typesof respiratory tract samples; and a targeted amplification method is adopted, so that the detection requirements of sputum, alveolar lavage and other sample types can be met. In addition, parallel sequencing can be performed, so that the flux of the detected samples is increased, the sequencing time is shortened, and the contradiction between the flux of detected pathogenic species and the cost and time is further relieved.

The invention discloses a compound preparation which comprises two or more of extracts of baikal skullcap root glycosides, barren wort flavones and houttuynia cordata, and can be prepared into injections, capsules, tablets, dispersible tablets, sublingual tablets, granules, oral liquid preparations, drop pills and other pharmacologically allowable dose forms. The preparation can be used for treating pneumonia, respiratory tract infection, influenza, avian Influenza, SARS, asthma, and low body immunity.

Provided is a compound of Formula (I) below, or a pharmaceutically acceptable salt, metabolite, or prodrug thereof; wherein Formula (I): A1 is CR4 or N; A2 is CR5' R6'or NR7'; A3 is CR5' R6'or NR7'; each of R1, R2, R2', R3, R3', R4, R5, R5', R6, R6', R7, and R7', independently, is hydrogen, deuterium, halogen, cyano, hydroxyl, carboxyl, amino, formyl, nitro, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl,C1-6 alkoxy, C2-6 alkenyloxy, C1-6 alkylcarbonyl, C1-6 alkyloxycarbonyl, C1-6 alkylamine, C3-20 carbocyclyl, or C3-20 heterocyclyl; or R5 and R6, R5' and R6', or R5 and R5', together with the adjacent atom to which they are each attached, form C3-10 carbocyclyl or C3-10 heterocyclyl. Further provided are a method of using the above- described compound, or the pharmaceutically acceptable salt, metabolite, or prodrug thereof for treating influenza and a pharmaceutical composition containing same.

The invention relates to a medicine for clearing heat, removing toxicity and reducing fever, which is prepared from the following raw material medicines by weight: 1.5 parts of radix bupleuri, 6.5 parts of gypsum, 2.5 parts of polygonum japonicum, 1.5 parts of rhizoma anemarrhenae, 1.25 parts of radix glycyrrhiza, 3 parts of flos lonicerae and 4 parts of abrotani herba. The medicine for clearing heat, removing toxicity and reducing fever is determined based on analyzing the formula constitution and combining various medicines, the medicinal flavor, efficacy, pharmacologic action and effective parts in the therapeutic process. In the medicine provided by the invention, various raw material medicines are reasonably compatible, supplemented each other and synergistic in effect, thereby having the effects of having an antivirus effect, inhibiting pathogenic bacteria, clearing heat and removing toxicity, purifying blood and improving immunity. The medicine is utilized to treat fever and high fever, headache, running nose and abnormal sweating etc. caused by internal heat and exogenous diseases etc., mainly treat upper respiratory tract infection, virus flu and influenza and so on, and the medicine is suitable for adults and children. The medicine has the advantages of quickly bringing down a fever, being wide in crowds, free of side effects, convenient to take and cheap in price.

The invention designs specific primers for streptococcus pneumoniae, haemophilus influenzae type b and mycobacterium tuberculosis complex, and establishes a multiple landing PCR(Polymerase Chain Reaction) detection kit and a detection method for simultaneously detecting the bacteria, adopting agarose gel electrophoresis for detecting PCR products. The kit comprises a 10*PCR buffer solution, MgCl2, dNTP, TaqDNA polymerase, BSA(Bovine Serum Albumin), positive control DNAs of streptococcus pneumoniae, haemophilus influenzae type b and mycobacterium tuberculosis complex, a streptococcus pneumoniae primer, a haemophilus influenzae type b primer and a mycobacterium tuberculosis complex primer. The kit can simultaneously quickly detect streptococcus pneumoniae, haemophilus influenzae type b and mycobacterium tuberculosis complex in a lower respiratory tract sample. The multiple landing PCR detection kit and detection method established by the invention are quick, simple, specific and sensitive, and can be used for rapid diagnosis and epidemiological investigation of infection of streptococcus pneumoniae, haemophilus influenzae type b and mycobacterium tuberculosis complex.

Composition and methods for treating infectious and inflammatory diseases using saccharide based products and therapies. Products can be implemented as a nutritional supplement, a food, a feed, a food additive, a feed additive, a therapeutic product, a rehydration salt, or a rehydration solution. The present disclosure relates generally to the fields of compositions and products containing the compositions, and the use of the compositions or the products for preventing and / or treating infectious or inflammatory diseases or conditions in particular gastrointestinal and respiratory diseases (diarrhea and influenza infections) or inflammatory.

The invention discloses a compound Chinese medicinal preparation which comprises baikal skullcap root, barren wort and houttuynia cordata, and can be prepared into injections, capsules, tablets, dispersible tablets, sublingual tablets, granules, oral liquid preparations, drop pills and other pharmacologically allowable dose forms. The preparation has the advantages of definite curative effects, better stability, lower toxic and side effects, The preparation can be used for treating pneumonia, respiratory tract infection, influenza, avian Influenza, SARS, asthma, and low body immunity.

The invention is concerned with the basic prescription, consists of purple grass, cordate houttuynia and bark of official magnolia, the invention can treat pneumonia, respiratory infection, flu, SARS, and asthma, which is with broad spectrum antivirus effect.