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| Number | Title | Issue Date |
| 7879291 | Manual device for examining a body fluid The present invention provides a portable blood sugar measuring device comprising a tape unit for winding a test tape forward in sections, a detection unit for detecting measured values on the sections of tape to which body fluid has been applied, and a housing to h... | 02/01/2011 |
| 7837936 | Hand-held fluid analyzer A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. The contents of the test chamber are exposed to the breath introduced into the chamber. ... | 11/23/2010 |
| 7815854 | Electroluminescent illumination source for optical detection systems An optical detection system that utilizes an electroluminescent (EL) illumination source is provided. Unlike illumination sources used with some conventional optical detection systems, an EL device is relatively homogeneous and diffuse, and thus may provide uniform ... | 10/19/2010 |
| 7815855 | Test element with nanofibers The invention concerns test elements, in particular diagnostic test elements, for determining the presence or concentration of biological, medical or biologically or medically effective substances including nucleic acids, proteins, viruses, microorganisms and cells,... | 10/19/2010 |
| 7807103 | Allergen detection apparatus A method of determining allergen activity in dust comprises: providing a dust sample; extracting from the dust sample at least one breakdown component or proteins or peptides; reacting the extracted at least one breakdown component with a colorimetric amine detectio... | 10/05/2010 |
| 7767143 | Colorimetric sensors Colorimetric sensors comprising a reflective surface and a curable layer are disclosed. Devices comprising the colorimetric sensors and methods of making the sensors and devices are also disclosed. Methods of using the sensors and devices in numerous applications ar... | 08/03/2010 |
| 7758808 | Manual device for examining a body fluid The present invention provides a portable blood sugar measuring device comprising a tape unit for winding a test tape forward in sections, a detection unit for detecting measured values on the sections of tape to which body fluid has been applied, and a housing to h... | 07/20/2010 |
| 7727466 | Disintegratable films for diagnostic devices The invention provides disintegratable film compositions for diagnostic test devices. The films are prepared with a combination of components that yield films of sufficient film strength and desired disintegration profiles. A disintegratable film according to the pr... | 06/01/2010 |
| 7718123 | Extended life mineral acid detection tape A mineral acid detection tape includes a cellulose paper substrate saturated with a formula solution and provides an extended life detection tape of at least a three-month period of time when place in service. ... | 05/18/2010 |
| 7670552 | Peracetic acid indicators and methods of use The present invention provides a hydrogen peroxide indicator and a peracetic acid indicator that include a substrate on which is disposed an indicator composition that includes at least one of a select group of colorants and a transition metal salt. As a result of e... | 03/02/2010 |
| 7632460 | Test kits and devices A test kit for determining the presence of one or more analytes in a fluid sample, including an assay device together with a reading device which engages with the assay device and wherein precisely located engagement of the assay device with the reading device is es... | 12/15/2009 |
| 7622075 | Films for detecting fluoride A film for detecting fluoride concentrations is disclosed. The film includes an organic matrix having a lipophilic aluminum compound incorporated therein. The lipophilic aluminum compound is adapted to selectively bind with fluoride ions via a binding interaction. T... | 11/24/2009 |
| 7611668 | Marker paint A marker paint comprises 42 wt % to 52 wt % pigment, 31 wt % to 37 wt % acrylic resin and 17 wt % to 21 wt % silicone resin excluding solvent. The pigment comprises cobalt titanium oxide, titanium nickel antimony oxide, cobalt aluminum oxide or cadmium sulphide sele... | 11/03/2009 |
| 7591978 | Solid phase test device for sialidase assay A solid-phase test device and a method for the detection of sialidase activity in a fluid sample. The test device includes a solid support provided with a pre-deposited dry form of a sialidase detecting composition. The sialidase detecting composition includes a sia... | 09/22/2009 |
| 7578971 | Rapid-response reversible dry surface COdetector Compositions for CO2 detector solutions and rapid-response reversible dry surface CO2 detectors made from them are disclosed. The CO2 detector solutions generally comprise a poly(oxyethylene) based compound, a pH sensitive indicator ... | 08/25/2009 |
| 7575717 | Assay device for evaluating entrainable substances Diagnostic testing apparatus for evaluating entrainable substances (e.g. for determining allergen activity in house dust), comprising a housing for collection and testing of entrainable substances, the housing having: an inlet; an outlet; a filter disposed between t... | 08/18/2009 |
| 7544324 | Rapid sample analysis storage devices and methods of use The present invention provides test devices for detecting an analyte suspected of being present in a liquid sample. The devices contain a reservoir compartment, a test compartment, and a port for a sample collection well. The devices also have a rotatable sample col... | 06/09/2009 |
| 7507373 | Assay device for the testing of fluid samples An assay device for testing of liquid samples for drugs of abuse has a transparent container for retaining a liquid sample. A backing member is within the container and is curved so that its front surface corresponds to the curvature of the container wall. Immunoass... | 03/24/2009 |
| 7470397 | Disintegratable films for diagnostic devices The invention provides disintegratable film compositions for diagnostic test devices. The films are prepared with a combination of components that yield films of sufficient film strength and desired disintegration profiles. A disintegratable film according to the pr... | 12/30/2008 |
| 7468160 | Devices and methods for performing array based assays Devices and methods for performing an array assay are provided. Embodiments of the subject array assay devices include (1) a base, (2) a cover, and (3) a clamping member for holding the cover to the base, wherein when the cover is operatively held to the base about ... | 12/23/2008 |
| 7459125 | Device for determining an analyte in a liquid sample The invention concerns a device for determining an analyte in a liquid sample, comprising: a) a gripping support (1); b) first capillary diffusing means (2) integral with the gripping support (1) comprising a downstream zone (2a) accessib... | 12/02/2008 |
| 7452505 | Method for analyzing blood test sample and dry analytical element and analytical kit utilizing the method Objects of the present invention are to provide a method for analyzing a blood test sample containing blood platelet collected from a human body to detect presence of an analyte in the test sample, wherein fluctuations of measured results due to difference of proces... | 11/18/2008 |
| 7449146 | Colorimetric sensor Colorimetric sensor films comprising a reflective layer, a polymeric detection layer, and a semi-reflective layer are disclosed. Devices comprising the colorimetric sensor films and methods of making the films and devices are also disclosed. ... | 11/11/2008 |
| 7442498 | Method of examining specimen and specimen container to be used in the examination method A method of immunologically examining a specimen which comprises attaching a cap having a filter impregnated with a labeled antibody enclosed therein to a container body containing a diluted liquid specimen, pouring the diluted liquid specimen from the container int... | 10/28/2008 |
| 7442557 | Bi-directional flow assay device with reagent bridge A device for conducting an assay to determine the presence or amount of an analyte in a fluid sample. The device includes a flow path that facilitates fluidic flow by capillary action. The flow path has a first fluid permeable region, a second fluid permeable region... | 10/28/2008 |
| 7439033 | Method and test strip for determining a fluid analyte A reagent strip for measuring the concentration of glucose in whole blood has a polymer on at least one side thereof to increase the opacity thereof, thereby reducing the effect of hematocrit on the glucose determination. ... | 10/21/2008 |
| 7438852 | Sample collection cup with integrated sample analysis system The present invention is directed to devices and methods for collecting liquid samples and of testing the sample for the presence of an analyte of interest and/or a physical property. In one embodiment the device is a urine cup having an interior for containing a li... | 10/21/2008 |
| 7435981 | Electron beam sterilizer A plurality of vessel holder means 14 are mounted around a revolving body 12 at an equal circumferential spacing. Each vessel holder means 14 includes two holders 26, 26 for carrying two vessels 4, 4 in vertical alignment. A path a... | 10/14/2008 |
| 7431882 | Drug test kit The assaying apparatus provides a kit in a collection cup for collecting and analyzing a urine sample for drugs or drug metabolites. In one embodiment, a separator member is disposed in the interior of the cup, separating an isolated liquid sample space from the ass... | 10/07/2008 |
| 7427511 | Immunochromatographic test device An immunochromatographic test device of the present invention comprises: a sample receiving member for receiving a sample; a label holding member for holding a labeling substance to bind to an analyte contained in the sample; and a chromatographic membrane having a ... | 09/23/2008 |
| 7425302 | Dry chemistry, lateral flow-reconstituted chromatographic enzyme-driven assays A lateral flow chromatographic assay format for the performance of rapid enzyme-driven assays is described. A combination of components necessary to elicit a specific enzyme reaction, which are either absent from the intended sample or insufficiently present therein... | 09/16/2008 |
| 7419635 | Pd/VOdevice for colorimetric Hdetection A sensor structure for chemochromic optical detection of hydrogen gas over a wide response range, that exhibits stability during repeated coloring/bleaching cycles upon exposure and removal of hydrogen gas, comprising: a glass substrate (20); a vanadium oxide... | 09/02/2008 |
| H2223 | Patterned, micrometer-sized antibody features A biosensor has a micrometer sized antibody substrate surface which may include patterned single or multiple antibody substrates. The substrate is capable of detecting multiple chemical species simultaneously and/or continuously monitoring a single chemical species.... | 09/02/2008 |
| 7419636 | Vapor sensing instruments for ultra trace chemical detection A detector for detecting vapors emitted from analytes includes a housing, a pump and a sensing assembly. The housing has an inlet, an outlet and an enclosed sensing volume therebetween. The pump communicates with the housing for moving a carrier sequentially through... | 09/02/2008 |
| 7416699 | Carbon nanotube devices Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two conductive elements. In one implementation, each conductive element incl... | 08/26/2008 |
| 7416702 | Hydrogen sensor and process for production thereof According to the present invention there is disclosed a hydrogen sensor comprising a substrate, a rare earth metal film formed on the substrate, and a protective film formed on the rare earth metal... | 08/26/2008 |
| 7413852 | Multiplexed diagnostic and therapeutics A method and apparatus for analyzing molecular structures within a sample substance using an array having a plurality of test sites upon which the sample substance is applied. The invention is also directed to a method and apparatus for constructing molecular arrays... | 08/19/2008 |
| 7413880 | Test kit for immunochromatography A test kit for immunochromatography comprising a test strip and a test tube is described. The test strip comprises a detection zone for detecting an analyte in a sample. The test tube accommodates the test strip. The test tube comprises an indicator at a position co... | 08/19/2008 |
| 7410808 | Method and assay for detection of residues Embodiments described herein include methods and assays for detecting an analyte in a sample using a plurality of control zone capture agents. Some embodiments include detection of multiple analytes in a sample utilizing a plurality of analyte binders and a control ... | 08/12/2008 |
| 7407815 | Liquid crystal cassette A functional cassette for the detection of ligands comprises a first inner housing, a second middle housing and a third outer housing and each housing is at least partially rotatable relative to an adjoining housing. The first inner housing contains a central well a... | 08/05/2008 |
