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| Application No. | Application Title | Issue Date |
| 20120070906 | UNITIZED POINT-OF-CARE URINE DIPSTICK CONTROL DEVICE A control device suitable for a urine reagent strip comprises an elongated package having front and rear walls, a top portion and a bottom portion, and an elongated chamber partially filled with test urine. An elongated chamber extends from the top portion to the bottom... | 03/22/2012 |
| 20120040470 | SINGLE-USE MICROFLUIDIC TEST CARTRIDGE FOR THE BIOASSAY OF ANALYTES A disposable test cassette for qualitative and/or quantitative analysis of analytes, having a structured body having introduced cavities connected to one another by channels, at least one inlet for introducing a sample fluid containing the analyte, at least one reagent ... | 02/16/2012 |
| 20120015444 | Sensor Housing and Reagent Chemistry A sensor comprises a sensor housing, having a channel; a porous substrate, in the channel; an analysis chemistry reagent, on the porous substrate; and a nozzle, in fluid connection with the channel. The porous substrate fills a cross section of the channel, and the cros... | 01/19/2012 |
| 20120003747 | TEST STRIP CARD The present invention relates to a test strip for determining and/or quantifying a property of a sample, such as the concentration of an analyte, the pH, the viscosity, or the specific gravity of a fluid specimen. More particularly, the present invention relates to an i... | 01/05/2012 |
| 20110300635 | CHEMICAL INDICATOR TEST STRIP Articles and methods for the detection and/or quantification of organic analytes are described. The invention provides a chemical indicator test strip, comprising: a substrate; and a coating comprising a leuco dye complex on the substrate, the coating being insoluble in... | 12/08/2011 |
| 20110281371 | SENSOR AND ANALYSIS FOR FAT METABOLISM BYPRODUCTS Systems and methods for detection of human fat metabolism byproducts and analysis of the detection for optimizing dietary results. The present invention includes a compact opto-electronic based sensor to significantly increase (factor of 20 or more) the accuracy and min... | 11/17/2011 |
| 20110143450 | DETECTION DEVICE The present invention provides devices, in particular lateral flow devices, for detecting a target analyte on a surface, in which the elements of collection and detection are integrated. The present invention also provides methods of use thereof... | 06/16/2011 |
| 20110065194 | Microfluidic detection device and method for detecting molecules using the same A microfluidic detection device is disclosed, which includes a porous membrane, a wicking pad, and an optical sensor. The porous membrane has a first end and an opposite second end, and the first end has a sample-loading area for receiving sample molecules. The wicking ... | 03/17/2011 |
| 20100330691 | Process for Producing Surface Enhanced Membrane A membrane having a refined surface as well as to a process and an apparatus for producing such a membrane, and which is useful, in particular, for rapid diagnostic tests for identifying specific analytes in liquid media.... | 12/30/2010 |
| 20100273272 | PIEZOELECTRIC SYSTEM FOR PORTABLE EXPLOSIVE OR DRUG DETECTION A portable chemical analytical apparatus includes a piezoelectric dispenser that deposits chemical(s) on a test swipe having a base; a chemically treated pad containing the swiped sample positioned in a white zone above the base; and a tab attached to one side of the ba... | 10/28/2010 |
| 20100261289 | WATER-SOLUBLE POLYMERS HAVING CHELATORS The present invention relates to a functionalized polymer having a high solubility in at least one solvent having high Eτ(30) value, and being functionalized with at least one N-containing carboxylate chelator.... | 10/14/2010 |
| 20100240144 | IMPROVED SERRS SUBSTRATE An improved SERRS substrate for use in an improved analyte detector is provided by depositing a Raman enhancing surface on, or within, a porous 3D support matrix made of a solid support material. The support material is arranged to have a Raman dye distributed within th... | 09/23/2010 |
| 20100178662 | NON-INVASIVE HUMAN-HEALTH-MEASUREMENT SYSTEM AND METHOD Methods and hand-held devices non-invasively measure a health parameter in an individual or a plurality of individuals. Plural hand-held devices may be provided to plural individuals. Each device may compute a score based on the assayed health parameter in the individua... | 07/15/2010 |
| 20100167264 | Quantitative analyte assay device and method The present invention relates to an assay device and a method for using such for the quantitative determination of an analyte, based on a test strip, which contains a porous test membrane allowing for capillary flow of the analyte and complexes of the analyte, a porous ... | 07/01/2010 |
| 20100003764 | OPTICAL SENSOR An optical sensor for monitoring an environmental condition, the optical sensor comprising a perfluorosulfonate ionomer membrane comprising a solution, wherein the solution comprises a transition metal-free dye component, wherein exposure of the optical sensor to a spec... | 01/07/2010 |
| 20090311797 | ANALYSIS METHOD AND ANALYSIS APPARATUS An analysis method includes the steps of causing a moist sample to react with a reagent and measuring concentration of a particular component contained in the sample based on the state after the reaction of the sample with the reagent. The reaction step and the measurem... | 12/17/2009 |
| 20090298192 | DETERMINING EFFLUENT CONCENTRATION PROFILES AND SERVICE LIVES OF AIR PURIFYING RESPIRATOR CARTRIDGES A method for determining at least one of an effluent concentration profile, a breakthrough time and a filter cartridge recommendation includes receiving at least one input parameter, determining at least one of the effluent concentration profile, the breakthrough time a... | 12/03/2009 |
| 20090197297 | Molecularly Imprinted Polymer Sensor Device A molecularly imprinted polymer sensor device for detecting the presence of a taggant molecular structure in a fluid is disclosed. The molecularly imprinted polymer sensor device comprises a molecularly imprinted crosslinked polymer having a crosslinked core and a plura... | 08/06/2009 |
| 20090155924 | System, method and device for detection of substances on surfaces A surface wipe for real time detection of trace amounts of toxic substances on surfaces. The wipe includes a collection surface that is swiped across a surface to be tested. The collection media filters dirt and other materials to prevent or reduce inaccurage readings c... | 06/18/2009 |
| 20080241953 | Method and Apparatus for Patterning a Bibulous Substrate A method of patterning a bibulous substrate is disclosed. The method comprises contacting the bibulous substrate with a first surface being coated by a barrier compound, using a second surface having a predetermined pattern engraved thereon, and applying heat and pressu... | 10/02/2008 |
| 20080206879 | Analysis of Functional Fluids Using a Redox Indicator The present invention relates to the analysis of the quality of functional fluids. In particular, the invention relates to using a stable redox indicator that produces a color at the presence of oxidation byproducts in a functional fluid.... | 08/28/2008 |
| 20080166819 | Gas detection apparatus and method utilizing an integral temperature correction device An apparatus for measuring the concentration of a target substance includes a detection container, a pump, and an integral temperature indicator or integral temperature correction factor indicator. The detection container has or contains a detection material chemically ... | 07/10/2008 |
| 20080003687 | Hydroxyl radical detection The invention relates to compositions, kits and methods used in hydroxyl radical detection. In some embodiments, the invention relates to compositions comprising a dye preferably methylene blue immobilized on a substrate. In additional embodiments, the invention relates... | 01/03/2008 |
| 20070275476 | Diagnostic Test Strip For Collecting And Detecting An Analyte In A Fluid Sample And Method For Using The Same A system and method for determining the concentration of an analyte in a fluid sample includes a test strip having a first and second portion separated by a bend line formed in the base. The bend line traverses the longitudinal axis of the base and the base is adapted t... | 11/29/2007 |
| 20070238192 | Methods and apparatus for detecting exposure to hazardous substances An apparatus for detecting exposure to at least one hazardous substance is provided. The apparatus includes a body having a plurality of openings, and an attachment mechanism coupled to the body. Each opening is sized to receive a cassette for detecting the presence or ... | 10/11/2007 |
| 20070099300 | Liquids test probe A package for holding and disguising a chromatographic test of food and drink is formed in the shape of a drinking straw or stirrer. The package encloses test patches which are sensitive to particular drugs and produce a color change upon contact with the drug. The pack... | 05/03/2007 |
| 20070092975 | Methods and systems for delivery of fluidic samples to sensor arrays Total analysis systems and methods for simultaneously monitoring a suite of biological and/or chemical species in water and/or other process systems are disclosed. The system provides a sample-volume controlled sensor array comprising a fluid delivery device and a plura... | 04/26/2007 |
| 20060281188 | Ratiometric test strip and method The invention generally relates to devices, systems and methods adapted for use by patients for monitoring their own dietary intake of sodium without any need of laboratory facilities or collection of blood samples. The systems utilize test strips for measuring the conc... | 12/14/2006 |
| 20060281189 | Diagnostic detection device and method The present invention relates to a diagnostic test kit and method for detecting the presence of certain metabolic by-products in human urine. The kit includes a test strip with an exposed face side containing chemical reagents which react in the presence of selected met... | 12/14/2006 |
| 20060281187 | Analyte detection devices and methods with hematocrit/volume correction and feedback control Disclosed are devices, arrangements and methods for quantifying the concentration of an analyte present in bodily fluid, including: an assay pad having at least one chemical reagent capable of producing a detectable signal in the form of a reaction spot upon reaction wi... | 12/14/2006 |
| 20060246598 | Devices and methods for sample collection and analysis The present invention provides devices, methods, and kits for the collection of a solid or semi-solid sample and analysis for the presence, absence, or quantity of an analyte. The invention provides a collection slide having a first card and a second card. The first car... | 11/02/2006 |
| 20060246597 | Flow control technique for assay devices A method for controlling fluid flow in an assay device that employs a membrane is provided. Specifically, one or more recessed regions are formed in the membrane by applying a solvent treatment thereto. The solvent treatment is selected based on its particular dissolvin... | 11/02/2006 |
| 20060211127 | Blood testing unit and blood testing method and apparatus A blood testing unit comprises a closed vessel having a blood introducing section formed at a certain area of the closed vessel. A blood constituent separating section is located within the closed vessel to separate plasma and/or serum from the blood sample introduced t... | 09/21/2006 |
| 20060194333 | Method of evaluating the potential of the skin for scavenging free radicals A ubstrate filled with a reagent that presents a stable free radical character, and that is capable of producing a visible reaction in the presence of at least one free radical scavenger analyte of the skin. ... | 08/31/2006 |
| 20060147346 | Method for measuring a permeation rate, a test and an apparatus for measuring and testing A method is proposed for measuring water permeability of substrates (1). A reactive compound (Ca, Ba) which reacts with a diffusing material, e.g. water, is applied on the substrate and the change in time of transmissivity, reflectivity of the layer is monitored ... | 07/06/2006 |
| 20060110835 | Apparatus for indicating the passage of time and method therefor and articles therewith A time-indicating apparatus based on the color change property of a reduced redox dye in the presence of oxygen is characterized by the initial introduction into a receptacle of a predetermined metered amount of a redox dye in its oxidized form together with a predeterm... | 05/25/2006 |
| 20060094127 | Method of automatically detecting a test result of a probe zone of a test strip A method of automatically detecting a test result of a probe zone of a test strip is provided. The present method scans a scanning object including a bar code and a plurality of test strips to read the bar code pattern and the images of the test strips. Decoding the bar... | 05/04/2006 |
| 20060073603 | Reagent delivery and photometric chlorine analysis Water soluble analytical agents for chlorine analysis of water are delivered into a sample from a support that is beneficially moved in the sample to assist delivery and mixing. Beneficially, an immediate photometric analysis of free chlorine is provided, and variabilit... | 04/06/2006 |
| 20060057735 | Test piece for protein assay and process for producing the same The present invention relates to a test piece for protein assay that is used for quantifying or semi-quantifying a protein and that contains an acidic pH indicator. This test piece for protein assay contains a surfactant as a sensitizer for increasing coloration sensiti... | 03/16/2006 |
| 20060019404 | Quantitative assay with extended dynamic range An efficient design for an expanded dynamic range in a lateral flow one step assay for the detection of an analyte in a biological sample is disclosed. The device comprises a multiple strip design, each constructed of four zones; a sample receiving zone, a sample treatm... | 01/26/2006 |
