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197 results about "Membrane bound" patented technology

Membrane-bound means that an organelle is surrounded by one or two membranes, each membrane being a bi-layer of lipids. Peroxisomes and vesicles (digestive, transport) are enclosed within a single membrane (bi-layer of lipids). Mitochondria, chloroplasts, and other plastids are surrounded by a double membrane -...

Soluble FcgammaR fusion protiens and methods of use thereof

ActiveUS20040265321A1Loss in biological activityTreatment and/or prevention of autoimmune diseasesImpression capsNervous disorderDiseaseIdiopathic thrombocytopenic purpura (ITP)
The present invention relates to molecules, preferably soluble (i.e., not membrane bound) polypeptides, most preferably soluble fusion polypeptides comprising the extracellular soluble regions of an Fc³R, derivatives and analogs thereof, and nucleic acids encoding the same. Molecules of the invention are particularly useful for the treatment, management, or prevention of, or amelioration of one or more symptoms of an autoimmune disease, especially for ameliorating serum platelet deficiency associated with immune thrombocytopenic purpura. The invention provides methods and compositions for enhancing the therapeutic efficacy of standard, current or experimental therapies for an autoimmune disease by administering a molecule of the invention.
Owner:MACROGENICS INC

Enhanced bi-component nanofiber porous membrane and preparation method thereof

The invention relates to an enhanced bi-component nanofiber porous membrane and a preparation method thereof. The porous membrane is a lithium ion battery membrane with two components of polymer resin and polyurethane. The membrane is in a semi-interpenetrating network structure which has a void ratio of 60-80%, and the mechanical property is 2-3 times higher than a single-component porous membrane of polymer resin. The preparation method comprises the steps of: dissolving a polymer resin and polyurethane prepolymer bi-component composition in a solvent, and preparing a nonwoven membrane through an electrospinning technology; and putting the nonwoven membrane at room temperature to make -NCO in the polyurethane prepolymer react with the -OH bond of water in the air to produce polyurethanethrough crosslinking and autopolymerization. In the invention, the nanofiber in the nonwoven membrane binds to form the polymer resin and polyurethane bi-component compound membrane, and the mechanical strength of the fibrous membrane is improved greatly. The method is easy, and the prepared nonwoven membrane maintains the advantages of high void ratio, and good thermal stability of polymer resinof the membrane prepared by using the electrospinning technology, and the membrane has good ion permeability and electrolyte affinity.
Owner:WUHAN UNIV OF TECH

Enzymatic fuel cell with membrane bound redox enzyme

Still further provided is a fuel cell with an anode compartment and a cathode compartment comprising: in the anode compartment, an anode electrode and, integrated into biocompatible membrane tethered to the anode electrode, a redox enzyme that can receive electrons from an electron carrier; in the cathode compartment, a cathode electrode which, when a conductive pathway to the first electrode is formed, is effective to convey the electrons to an electron acceptor composition in the cathode compartment; and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment.
Owner:POWERZYME

Rapid and non-invasive method to evaluate immunization status of a patient

InactiveUS6927068B2Rapid and reliable and non-invasive and safe testingRapidly evaluate immunization status of a patientBioreactor/fermenter combinationsBiological substance pretreatmentsSpecific iggAnthrax protective antigen
An assay method and kit for detecting the presence of a predesignated, target IgG antibody in a sample selected from one or more patient bodily fluids. The method comprises the following steps: (a) contacting the sample of one or more patient bodily fluids with a membrane-bound recombinant protective antigen to bind to the target IgG antibody in the sample; (b) previously, simultaneously or subsequently to step (a), binding the protective antigen (PA) with a conjugated label producing a detectable signal; and (c) detecting the signal whereby the presence of the target IgG antibody is determined in the sample by the intensity of the signal. The method can further comprise the step of evaluating immunization status of the patient from whom the sample came by comparing the signal or lack thereof with immunizations previously received by the patient. In a preferred embodiment, the recombinant protective antigen (PA) specifically binds to anthrax protective antigen-specific IgG antibodies. Preferably, the immunoassay of the present invention comprises a lateral-flow assay comprising a membrane, a conjugated label pad, and a recombinant protective antigen (PA) bound to the membrane.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Simple membrane assay method and kit

The present invention is to provide a simple membrane assay method for detecting or quantitating an analyte in a specimen sample using an assay device equipped with a membrane bound with a capture-substance to capture the analyte, comprising the steps of filtering a specimen sample using a filter, dropping the filtrate onto said membrane and detecting the presence of the analyte in said specimen sample, as well as a simple membrane assay kit for detecting the presence of an analyte in a specimen sample, comprising (1) a filter tube, and (2) an assay device equipped with a membrane bound with a capture-substance to capture the analyte. The method or the kit can decrease the occurrence of false positivity and can provide a highly accurate detection of the analyte such as pathogen and antibody in a specimen collected in a medical scene or by an individual.
Owner:DENKA CO LTD
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