141 results about "Viral spread" patented technology

Methods and arrangements for controlling a spread of malicious information in a network. A viral spread of information is tracked, in a network comprising interconnected nodes. Malicious information in the viral spread of information is identified. A topic-specific sub-network of nodes prone to be affected by the malicious information is predicted, and the effect of the malicious information at the sub-network of nodes is neutralized, via initiating a spread of neutralizing information to the sub-network of nodes. Other variants and embodiments are broadly contemplated herein.

Antimicrobial compositions having a rapid and persistent antiviral effectiveness against influenza viruses, including avian flu viruses, are disclosed. The antimicrobial compositions contain (a) a disinfecting alcohol, (b) an organic acid, and (c) water, wherein the composition has a pH of about 5 or less and the nonvolatile components of the composition are capable of forming a barrier film or layer on a treated surface.

A method of imparting a rapid and a persistent antiviral activity against viral-mediated diseases is disclosed. The method includes applying an antimicrobial compositions containing (a) a disinfecting alcohol, (b) an organic acid, and (c) water, and having a pH of about 5 or less, to at least one of the nose, nasal passages, and surrounding facial areas of skin of an individual.

The invention discloses an agilawood incense and a preparation method of the agilawood incense, and relates to medicine preparation. The agilawood incense of the invention comprises the following eight kinds of traditional Chinese medicines: agilawood, Folium Artemisiae Argyi, sandalwood, Rhizoma Atractylodis, Ligusticum chuanxiong, Pericarpium Citri Reticulatae, elecampane and Cyrtomium fortunei, and an appropriate amount of sawdust is added. The agilawood incense of the invention has the effects of aroma and damp removal, sterilization and detoxification and pathogenic evil removal, and can improve the air quality and inhibit virus proliferation so as to prevent influenza and control the transmission of influenza virus.

This invention provides methods of vaccinating a subject against a Herpes Simplex Virus (HSV) infection and disorders and symptoms associated with same, and impeding, inhibiting, reducing the incidence of, and suppressing HSV infection, neuronal viral spread, formation of zosteriform lesions, herpetic ocular disease, herpes-mediated encephalitis, and genital ulcer disease in a subject, comprising the step of contacting the subject with a mutant strain of the HSV, containing an inactivating mutation in a gene encoding a gE, gl, Us9, or other proteins.

The invention discloses ZIKV(zika virus)-NS1 protein and application of the ZIKV-NS1 protein to preparation of ZIKV propagation blocking vaccine. The invention provides protein which is named as the ZIKV-NS1 protein; the ZIKV-NS1 protein is protein formed by amino acid sequences shown as sequence 1 in a sequence table. The invention also provides application of the ZIKV-NS1 protein. The application comprises the following steps (e1) or (e2): (e1) ZIKV vaccine preparation; (e2) ZIKV propagation blocking vaccine preparation. The vaccine provided by the invention can block the propagation of ZIKVthrough mosquitos in nature; the infection rate of mosquitos in natural environment is reduced, so that healthy people groups are protected from being infected by ZIKV; the sudden outbreak of the ZIKV is prevented.

Methods for treating, preventing or slowing viral spread between plants cells by suppressing expression of the bZIP60 gene and/or activity of the BZIP60 protein are provided. In another aspect, the present disclosure provides methods for delivering TGBp3 to cells to induce apoptosis, and/or to trigger pro-survival pathways.

The present invention relates to a medical bed capable of being used as an isolation bed. The medical bed capable of being used as the isolation bed comprises a bedstead, a top surface of the bedsteadis provided with a bed surface, the bedstead is provided with a shielding area, the bed surface is positioned in the shielding area, and an isolation cover supporting position is arranged in the shielding area or periphery of the bed surface corresponding to an outside of the shielding area. The medical bed is provided with the isolation cover supporting position, besides, the bed surface is located in the shielding area, so that when an isolation cover is placed on the isolation cover supporting position, the isolation bed is formed, risks of outward spreading bacteria and viruses carried bypatients are greatly reduced, while when the isolation cover is taken off, use functions of the medical bed have no difference with a conventional medical bed, thus if infectious epidemic occurs, hospital beds can be fast adapted to the isolation bed and risk of virus spreading is reduced.

The invention relates to the field of traditional Chinese medicine, and discloses a repair traditional Chinese medicine used for treating blood cell infected by flaviviridae. The traditional Chinese medicine is prepared from: by weight, herba tubocapsici anomali 30g-80g, cymbopogon citratus 20g-50g, camellia flower 10g-30g, citrus aurantium flower 10g-30g, bitter gourd 20g-50g, mint 20g-50g, phellodendron amurense 10g-30g, cypress leaf 10g-30g, salix leaf 10g-30g, persimmon leaf 15g-35g, perilla nankinensis 10g-20g, radix sophorae flavescentis 30g-60g, eleusine indica 25g-80g, syzygium aromaticum 10g-30g, lonicera japonica 30g-80g, agastache rugosus 20g-50g, portulaca oleracea 10g-30g, glycyrrhiza 5g-15g, chrysanthemum 10g-35g, and foeniculum vulgare 10g-35g. The traditional Chinese medicine has cure effect of the diseases such as dengue, Zika virus, encephalitis, hepatitis and liver cancer infected by flaviviridae spreading, can treat and repair the blood cell from the source, has prophylaxis and treatment effect on flaviviridae diseases, is without any toxicity and side effects, and can improve the cure rate and cure efficiency of patients.

The invention relates to a pharynx secretion collection device, which comprises a handle and a collection mechanism, wherein the collection mechanism comprises an occlusion table, a tongue pressing component, a sampling component and an auxiliary observation component, wherein the occlusion table is arranged on one end of the handle; the tongue pressing component comprises a tongue depressor; oneend of the tongue depressor is arranged on one side end of the occlusion table; the sampling component comprises a sampling rod and a clamping unit for clamping the sampling rod, wherein the clampingunit is arranged in the middle of the occlusion table; the auxiliary observation component comprises a camera and a display screen, wherein the camera is arranged on the side surface, which is far away from the handle, on the occlusion table; and the camera collects the images of the sampling rod and the tongue depressor in real time and shows the images in the display screen. During sampling, themouth of a patient is under a closing state, a possibility that viruses in the spray of the patient spread is reduced, and meanwhile, medical care personnel can observe the state of the oral cavity of the patient and the position of the pharynx so as to realize accurate sampling.

The invention discloses an anti-propagation nucleic acid detection sampler and a sampling method thereof. The anti-propagation nucleic acid detection sampler comprises a supporting base plate and a sampling barrel, a main electric telescopic rod is vertically and fixedly connected over the supporting base plate, and a seat plate is horizontally and fixedly connected to the upper end of the main electric telescopic rod; a gravity sensing switch is embedded in the upper end face of the seat plate, and a disinfection box is fixedly connected to the upper side of the right end of the seat plate. The sampling cotton swab rod penetrates through the sampling cylinder, then the sampling cotton head penetrates into the oral cavity and throat position of a person to be detected, the sampling cotton swab rod drives the sampling cotton head to stir and touch the inner wall of the throat, and after completion, the sampling cylinder is directly pushed to be close to the mouth of the person to be detected, so that the rubber mouth cover is attached to seal the mouth; then the sampling cotton head is drawn into the inner side of the sampling cylinder, virus propagation caused by exposure of the sampling cotton head in an external space after sampling is avoided, and meanwhile, the ejector rod is pressed to enable the cutter sleeve to cut off the sampling cotton swab rod and enable the cutter sleeve to fall into the sample cylinder.

The invention belongs to the field of disinfectants, the invention discloses a foam type sterilizing, disinfecting and air purifying agent as well as a preparation method and application thereof. Theproduct is mainly prepared from the following components in percentage by weight: 0.10-0.40% of peroxyacetic acid, 0.15%-0.60% of hydrogen peroxide, 0.05%-0.10% of a quaternary ammonium salt type cationic surfactant, 0.05%-0.10% of benzethonium chloride, 0.10%-0.20% of alkyl glycoside, 0.10%-0.20% of a stabilizer, 0.20%-0.60% of glycerol and 97.80%-99.25% of water. The product has stable performance, wherein the retention time of the formed sterilization disinfectant foam in the environment is long and the sterilization and disinfection action time is long. The product is low in cost, has a good air purifying effect, is non-toxic, pollution-free and residue-free, has a broad-spectrum sterilizing effect, is applied to prevention and control of the novel coronavirus, can effectively kill thenovel coronavirus and cut off a virus transmission path, and can also effectively kill escherichia coli, staphylococcus aureus, pseudomonas aeruginosa, bacterial spores and other viruses and microorganisms.

The invention discloses an intelligent meal delivery robot for hospital wards. The intelligent meal delivery robot comprises a robot body with a computer control device arranged on the upper end face,wherein the computer control device comprises a controller which is fixedly arranged on the upper end face of the robot body and provided with an intelligent chip; and a touch screen displayer capable of setting a meal delivery route for the robot through a touch screen is arranged on the front side end face of the controller, and a camera capable of carrying out face recognition on patients is arranged on the upper side of the touch screen displayer. According to the meal delivery robot, the meal delivery route can be planned and the identity of the meal takers can be identified through thecontroller 4 provided with the intelligent chip, and the controller controls a disinfection device to carry out disinfection processing on recovered meal delivery drawers, so that the situation that virus is spread out due to the fact that a patient carrying an infectious virus makes contact with meal delivery drawers is avoided, and virus spreading possibility is reduced.

The invention discloses a global new coronavirus propagation prediction method based on an optimized SEIRD model, and relates to the technical field of infectious disease data processing, and the method comprises the steps: A, collecting data, and building an improved SEIRD cabin model on the basis of an epidemiological SEIR model: 1, increasing the index of latent crowd infection rate, subdividing the susceptible population conversion rate in the SEIR model into a latent population infection rate and a definite population infection rate; 2, subdividing the removal rate in the SEIR model intoa death rate and a cure rate; 3, expressing the cure rate and the death rate as a time sequence function of time t; dividing crowds in the bin into five types, namely susceptible people, symptomatic latent infected people, symptomatic infected people, cured people and dead people; B, respectively carrying out parameter estimation and model fitting on the model according to a least square method, estimating an inflection point and an end date of an epidemic situation, and carrying out model inspection by using actual data. The method has the advantages of accurate prediction and good reliability.

The invention discloses a preparation method of novel decellularized fishskin substrates. The method comprises the following steps of (1) performing pretreatment of washing Tilapia skin, removing impurities and the like; (2) after acid treatment, scraping scales; (3) performing washing with a surfactant for decellularization; (4) performing washing with alkali liquor; (5) performing treatment witha chemical bleaching agent; and (6) performing post-treatment of drying, sterilization and the like. The decellularized fishskin substrates prepared by the preparation method disclosed by the invention have the advantages of being low in production cost, high in heat stability, free from zoonoses virus propagation risk and the like, and besides, a scale removing technique is also innovatively provided, so that the clinical practicality of products is greatly increased; and various techniques are comprehensively applied for virus inactivation, so that the biological safety of the products is increased. Besides, the invention discloses an application of the decellularized fishskin substrates as wound surface dressing, so that wound healing and regenerated tissue epithelization can be promoted.

The invention discloses an ultraviolet disinfecting garbage can lid which comprises a garbage can main body and a garbage can lid body; the garbage can lid body is hinged to the top of the garbage canmain body; a solar panel is fixedly connected with the top of the garbage can lid body; an ultraviolet disinfecting lamp is connected with the bottom of the garbage can lid body in an embedded manner; and an infrared ray sensing switch is fixedly mounted at the bottom of the garbage can lid body and is positioned on the right side of the ultraviolet disinfecting lamp. The ultraviolet disinfectinggarbage can lid reduces the cost, does not affect matched application of a garbage truck, is easy to understand in structure and reduces smelly peculiar smell of the garbage can main body; the entireultraviolet disinfecting garbage can lid does not need to scrap when components are broken; ultraviolet disinfection plays a role in restraining bacterial viruses, so that staff exposure hazard is reduced, and waste and hurt to a human body are reduced; unified application facilitates health management of communities and villages; and unified collection and unified disinfection are changed into separated collection and separated disinfection, so that pressure of unified disinfection and viral spreading capacity are reduced.

The invention provides a method for identifying parameters of a novel coronavirus propagation model based on a Kalman filtering theory, which is used for solving the technical problems in the prior art that an infectious disease model does not consider the incubation period and the infection rate does not consider the influence of time change, and comprises the following implementation steps of: obtaining a novel coronapneumonia epidemic situation data set; establishing an infectious disease propagation model, supplementing unknown parameters in the infectious disease propagation model by using a Kalman filtering algorithm, modeling an identified infection rate into a time-varying function which decreases progressively along with time, establishing an infection rate change model, and updating the infectious disease propagation model according to the infection rate change model to obtain an optimal infectious disease propagation model for establishing an optimal infectious disease propagation model; and predicting the infectious disease propagation condition by using the optimal infectious disease propagation model. The method effectively improves the accuracy of parameter prediction of the new coronavirus infection model.