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| Number | Title | Issue Date |
| 5817472 | Detection of motile fungal zoospores in a sample A method for detecting motile organisms, particularly zoospores of Phytophthora cinnamomi in a sample comprises contacting the sample with a solid support in a medium in which the organisms are motile, the solid support being, or being treated with, a che... | 10/06/1998 |
| 5807694 | Detection of salmonella enteritidis and other pathogenic microorganisms and monoclonal antibody useful therefor A method of testing for the presence of a pathogenic microorganism, notably Salmonella enteritidis, in a foodstuff, e.g. the contents of an egg, or other materials. In a particularly preferred form for testing eggs, the method involves homogenizing a samp... | 09/15/1998 |
| 5695946 | Assay method for detecting presence of bacteria An assay method is provided to easily and quickly detect the presence of organisms capable of being cultured, such as bacteria, characterized by antibody capture of the organism of interest by use of specialized magnetic beads, incubation of the captured ... | 12/09/1997 |
| 5663057 | Process for rapid and ultrasensitive detection and counting of microorganisms by fluorescence Process for rapid, ultrasensitive and automatic counting of fluorescent biological cells such as microorganims, carried by a solid support such as a filter. The process includes: scanning a solid support on which a specimen potentially containing microorg... | 09/02/1997 |
| 5658747 | Compositions and methods for control of reactivity between diagnostic reagents and microorganisms Compositions, devices and methods for the detection of target microorganisms, such as by a visual immunoprecipitation assay, where the detection requires the migration of the target microorganisms (typically a target microorganism-antibody-detection reage... | 08/19/1997 |
| 5650135 | Non-invasive localization of a light-emitting conjugate in a mammal Methods and compositions for detecting and localizing light originating from a mammal are disclosed. Also disclosed are methods for targeting light emission to selected regions, as well as for tracking entities within the mammal. In addition, animal model... | 07/22/1997 |
| 5556745 | Method for the detection and quantitative determination of antigen in a test sample containing immune complexes of antigen bound to antibodies and to rheumatoid factors The invention is a simple and rapid method for immune complex dissociation and destruction of rheumatoid factors. It permits the quantitative measurement of the total, i.e., free and immune complex-bound, antigen contained in a test sample. The method inv... | 09/17/1996 |
| 5552294 | Rapid detection of virulence-associated factors A method for detecting at least one virulence-associated factor (VAF), e.g., a bacterial toxin, in a sample is described. The sample suspected of containing the VAF-producing bacteria is contacted with a VAF releasing solution under conditions which relea... | 09/03/1996 |
| 5549882 | Imaging infectious foci with human IgM 16.88 A method for imaging foci of infection by administering radiolabeled human IgM 16.88.... | 08/27/1996 |
| 5543329 | Sensor for antigen-antibody reactions A multi-purpose on-line or field-portable system and method for monitoring the presence and concentration of selected antigen-antibody reactions singly or in combination that result from the presence of specific microorganisms or free antigens present or ... | 08/06/1996 |
| 5510241 | Method of testing for the presence of Salmonella serotypes expressing Salmonella enteritidis fimbrial antigen (SEFA) and reagents therefore A method of testing for the presence of Salmonella serotypes S. enteritidis and S. dublin is provided. Novel monoclonal antibodies are used to detect the presence of an epitope specific for these serotypes in cultures which have been grown on selected med... | 04/23/1996 |
| 5491068 | Assay method for detecting the presence of bacteria An assay method is provided to easily and quickly detect the presence of organisms capable of being cultured, such as bacteria, characterized by antibody capture of the organism of interest by use of specialized magnetic beads, incubation of the captured ... | 02/13/1996 |
| 5484706 | Immunoassay for analytes in samples using alkylating agents An improved immunoassay method and kit have been developed that include a sample pretreatment method and kit employing an alkylating agent that modifies antibodies in the sample to render the antibodies incapable of interfering with analyte detection. Pri... | 01/16/1996 |
| 5434056 | Method of bacteriological analysis, and medium for the detection of bacteria of the Salmonella genus The invention relates to a method of bacteriological analysis for the selective detection of Salmonella and a medium for its implementation. The method is based on the specific capacity of Salmonella to ferment glucuronic acid or one of its salts, and not to p... | 07/18/1995 |
| 5415997 | Method for detecting low levels of microorganisms The invention relates to methods for the detection of low numbers of a particular microorganism or microorganisms from a mixed population, the method comprising exposing the sample to a solid support to which antibodies specific for the organism(s) are ad... | 05/16/1995 |
| 5356778 | Method for detection of gram-negative bacterial liposaccharides in biological fluids The invention relates to a method of detecting gram-negative bacterial endotoxin using antibody capture combined with amoebocyte lysate chromogenic detection. The method is highly sensitive and rapid and may be used for detection of specific endotoxin. In... | 10/18/1994 |
| 5354654 | Lyophilized ligand-receptor complexes for assays and sensors A dry reagent prepared by lyophilizing a labelled ligand-immobilized receptor complex or a labelled receptor-immobilized ligand complex is, on rehydration, useful for detecting analytes in samples in a variety of displacement assays.... | 10/11/1994 |
| 5208161 | Filter units An assay filter unit where the filter of the unit is sealed into the body of the unit to prevent any passage of material to be assayed round the edge of the filter but is removable by breaking out a filter support grid along a predetermined line of weakne... | 05/04/1993 |
| 5198339 | Method for detection of gram-negative bacterial lipopolysaccharides in biological fluids The invention relates to a method of detecting gram-negative bacterial endotoxin using antibody capture combined with amoebocyte lysate chromogenic detection. The method is highly sensitive and rapid and may be used for detection of specific endotoxin. In... | 03/30/1993 |
| 4920063 | Process for detection of selected motile organisms Methods and associated devices for detecting the presence of a particular motile organism within a sample are disclosed. The sample may be derived from dry milk, raw meat, poultry or a clinical specimen. A preferred method includes inoculating a selective... | 04/24/1990 |
| 4683196 | Method and materials for the identification of lipopolysaccharide producing microorganisms The subject invention provides a means for the immunological detection of an entire class of microorganisms in clinical samples. The detection is accomplished by reaction of the clinical sample iwth a class-specific immunological reagent. This reagent is ... | 07/28/1987 |
| 4677055 | Immunological detection of bacterial pathogens with antibody-containing magnetic gel A process for the immunobacteriological detection of pathogenic germs possessing specific antigenic determinants, and a kit for carrying out the process, with the aid of a magnetic gel to which are coupled anti-specific antigenic determinant antibodies, c... | 06/30/1987 |
| 4652518 | Diagnosing chlamydia infections with Re-lipopolysaccharide complexed to carrier or antibody thereto A preparation for the detection of chlamydial infections using lipopolysaccharide of Re-lipopolysaccharide mutants of gram-negative bacteria. The lipopolysaccharide preparation is used in the production of group-specific antibodies to chlamydiae for diagn... | 03/24/1987 |
| 4563418 | Process for detection of selected motile organisms A motility-immunoimmobilization method permits the detection of a particular motile organism, such as Salmonella, in a sample.... | 01/07/1986 |
| 4492761 | Complement assay method A method of determining (1) the activity of complement, (2) the bacteriolytic activity of serum, or (3) the titer of antibody in a sample which comprises: (a) incubating complement-sensitive microorganisms containing an assayable intracellular component w... | 01/08/1985 |
| 4439356 | Unsymmetrical fluorescein derivatives Unsymmetrically substituted 6-hydroxy-3H-xanthen-3-ones for use as fluorescers or quenchers, particularly conjugated to provide reagents in competitive protein binding assays. Substituents are aliphatic groups bonded to an annular carbon atom through carb... | 03/27/1984 |
| 4374925 | Macromolecular environment control in specific receptor assays Method and compositions are provided for performing protein binding assays involving a homologous pair consisting of ligand and receptor for the ligand. The method employs a label conjugated to a member of said homologous pair and a uniformly dispersed di... | 02/22/1983 |
| 4281061 | Double antibody for enhanced sensitivity in immunoassay Method and compositions are provided for performing homogeneous immunoassays. The method involves having a signal producing system, which provides a detectable signal, which system includes a macromolecular member. The determination of the analyte, which ... | 07/28/1981 |
| 4275149 | Macromolecular environment control in specific receptor assays Method and compositions are provided for performing protein binding assays involving a homologous pair consisting of ligand and receptor for the ligand. The method employs a label conjugated to a member of said homologous pair and a uniformly dispersed di... | 06/23/1981 |
| 4258130 | Method for detection of antigens False positive reactions with fluorescent antibodies such as Lactobacillus reaction with IgG-antiSalmonella are avoided by enzymatic treatment of the IgG to remove the non-antibody, Fc, fragment of the IgG.... | 03/24/1981 |
| 4169138 | Method for the detection of antibodies A method for the detection of antibodies immunochemically bound to the corresponding antigen fixed to a smooth surface of glass, metal, polymerfilm or the like. The surface with antigen bound antibodies is contacted with a suspension of small water-insolu... | 09/25/1979 |
| 4133639 | Test article including a covalently attached diagnostic reagent and method A body suitable for use in the quantitative detection of an unknown quantity of a biologically derived sample suitably by radioimmunoassay, fluorometric detection, or by spectrophotometry. The body includes a handle attached to a nonparticulate, nonswella... | 01/09/1979 |
