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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7438854 | Biomolecule substrate, and test and diagnosis methods and apparatuses using the same A test apparatus is for testing a DNA substrate on which a plurality of DNA fragments for testing are arranged, wherein absolute precision is not required. A substrate is provided on which a plurality of biomolecule spots containing a group of biomolecules (e.g., DN... | 10/21/2008 |
| 7419638 | Microfluidic devices for fluid manipulation and analysis The present invention relates to microfluidic devices and methods for manipulating and analyzing fluid samples. The disclosed microfluidic devices utilize a plurality of microfluidic channels, inlets, valves, filter, pumps, liquid barriers and other elements arrange... | 09/02/2008 |
| 7407625 | Volume-differential water assay system using hydrophilic gel Systems and methods for measuring the moisture and sediment content of a petroleum sample. In one embodiment, a sample to be tested is collected in a field bottle. The sample from the field bottle is then transferred from the field bottle, and into and through a mea... | 08/05/2008 |
| 7396674 | Reaction vessel Reaction vessel 1 for assaying of a subject substrate molecule comprises a translucent narrow tube 2 which has a liquid feed port 4 at one end, and which is intended to be packed with microparticles 5 as solid phase support on which a rea... | 07/08/2008 |
| 7374722 | System for taking a gas sample able to contain particles of suspended materials The sampling system of the invention includes a column comprising a first separator associated with a first collector so as to extract particles whose diameter is larger than a first diameter, and a second separator associated with a second collector which eliminate... | 05/20/2008 |
| 7374951 | System and apparatus for use in detecting microorganisms A system and an apparatus for use in detecting a target microorganism or agent is disclosed which involves a solid support carrying a binding partner specific for the particular microorganism or agent and the solid support being characterised in that it defines mean... | 05/20/2008 |
| 7371582 | Lateral flow quantitative assay method and strip and laser-induced fluorescence detection device therefor Disclosed is a lateral flow quantitative assay method which can measure one or more analyte species at the same time, with high sensitivity. Also, the present invention relates to a strip which can measure one or more analyte species at the same time, with high sens... | 05/13/2008 |
| 7358095 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 04/15/2008 |
| 7350536 | Vacuumized receptacle for sample collection A portable receptacle is vacuumized for use in taking an air or gas sample for subsequent examination to determine type, origin, components of the air or gas. Critical to a long shelf life of the vacuumized receptacle is a valve which virtually seals the receptacle ... | 04/01/2008 |
| 7337705 | Press and sip device A press and sip device including a straw and sieve coupled together to permit pressing solid particles to infuse flavor into a freshly brewed beverage consumable from the container in which it was prepared. The straw and sieve unit can be used in containers of vario... | 03/04/2008 |
| 7329534 | Buffy coat tube and float system and method A tube and float system for use in separation and axial expansion of the buffy coat is provided. The system includes a transparent, or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells a... | 02/12/2008 |
| 7319522 | Systems and methods for in situ spectroscopic measurements A circularizated semiconductor laser diode (CSLD), such as for example a vertical cavity surface emitting laser (VCSEL) may be used for optical measurements. The CSLD may be used in a cell density probe to perform cell density determination and/or turbidity determin... | 01/15/2008 |
| 7300629 | Humoral testing unit A blood testing unit is provided with a closed vessel having an outer vessel body and an inner vessel body, and a reagent layer is accommodated in the closed vessel. Reagents which react with a blood sample are supported on the reagent layer. The closed vessel is co... | 11/27/2007 |
| 7254946 | Thermodilution catheter having a safe, flexible heating element A thermodilution catheter having a heating filament which is fabricated so as to be thin and flexible enough to avoid contact with the patient's blood. The heating filament is either inserted in a preformed catheter lumen, incorporated into a wall of the catheter bo... | 08/14/2007 |
| 7229835 | Amine detection method and materials A compound linked to a solid support (R) through a divalent linker moiety (X) and which is represented by the following formula: is disclosed. In particular, the 1-hydroxybenzotriazole-6-carboxylic acid is direct... | 06/12/2007 |
| 7220593 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 05/22/2007 |
| 7182910 | Collection well for body fluid tester A body fluid is collected for testing for an analyte contained within the body fluid. The fluid is collected in an apparatus including a reservoir for receiving and collecting a flow of body fluid from a discharge end of a conduit. A capillary test space is in fluid... | 02/27/2007 |
| 7179657 | Method for adding an apparent non-signal line to a rapid diagnostic assay A test device and method for determining the presence or absence of one or more analytes in a fluid sample, the test device including a support or member bearing a mark thereon, and a matrix or member containing a capture zone. In operation, an observation area in t... | 02/20/2007 |
| 7157047 | Device for containing, reacting and measuring, and method of containing, reacting and measuring The invention relates to a device for containing, reacting and measuring, and a method of containing, reacting and measuring, and provides a device for containing, reacting and measuring, and a method of containing, reacting and measuring which is also able to effec... | 01/02/2007 |
| RE39457 | Liquid specimen container and attachable testing modules A biological fluid collection container comprising a cup member, a lid assembly removably mounted to the cup member comprising a housing with a downwardly extending cylindrical skirt, a luer lock with a throughgoing bore extending from one side of the lid housing. A... | 01/02/2007 |
| 7128876 | Microdevice and method for component separation in a fluid The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a microchannel formed in the first surface, defines a separation conduit for sep... | 10/31/2006 |
| 7097812 | Device for storing and/or treating chemicals A device for storing and/or treating chemicals is described. The device includes a glass casing provided with a receiving cavity for storing chemicals therein, and further includes a transponder having a memory, the transponder being arranged in the device such that... | 08/29/2006 |
| 7029627 | Apparatus for sampling, storing, preserving and testing a specimen A multiple-chamber container for sampling, storing and preserving for later testing a sample. A swab having a foam tip is used to collect a sample (the sample must have some liquid component, e.g., saliva, urine, blood, etc.). After the foam tip is used to collect a... | 04/18/2006 |
| 7029629 | Computerized method and apparatus for analyzing amino acids A method for analyzing a plurality of amino acids in a fluid sample by a user is provided comprising the steps of introducing the sample into a buffer solution, passing the sample in the buffer solution through a separation column and setting a lithium ion concentra... | 04/18/2006 |
| 6974673 | Coupled capillary fiber based waveguide biosensor An evanescent-wave optical biosensor includes a hollow optical waveguide, preferably in the form of a light-conductive capillary, surrounding a central waveguide preferably in the form of an optical fiber to create a sealed cavity. A source of optical energy as from... | 12/13/2005 |
| 6955889 | Simultaneous determination of forward and reverse ABO blood group Simultaneous forward and reverse blood group testing is described using both a visual detection system and a fluorescent based labeling and detection system. Forward and reverse tests could be performed separately, but A and B agglutinates can be detected and discri... | 10/18/2005 |
| 6927068 | Rapid and non-invasive method to evaluate immunization status of a patient 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 me... | 08/09/2005 |
| 6926678 | Sample collection and delivery device A specimen collecting device is disclosed. The device has an elongated foam member that is circumscribed by a hollow tubular member along a portion of its longitudinal axis. The hollow tubular member has a cross sectional area less than the uncompressed cross sectio... | 08/09/2005 |
| 6919045 | Supply element for a laboratory microchip A supply element for a microfluid microchip that can be used for chemical analysis has supply lines or reservoirs that serve to supply the microchip with substances or reagents. Both ends of the supply lines are sealed to prevent the substances from leaving the supp... | 07/19/2005 |
| 6900060 | Computerized method and apparatus for analyzing amino acids A method for analyzing a plurality of amino acids in a fluid sample by a user is provided comprising the steps of introducing the sample into a buffer solution, passing the sample in the buffer solution through a separation column and setting a lithium ion concentra... | 05/31/2005 |
| 6881586 | Retentate chromatography and protein chip arrays with applications in biology and medicine This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d... | 04/19/2005 |
| 6855561 | Method for adding an apparent non-signal line to a lateral flow assay A test device and method for determining the presence or absence of an analyte in a fluid sample, the test device including a support bearing a mark thereon, and a matrix defining an axial flow path. In operation, an observation area in the test device becomes trans... | 02/15/2005 |
| 6821790 | Methods and apparatus for separation of biological fluids A method of separating a cell-containing sample into a substantially cell-depleted portion, and a cell-containing portion comprising at least one of a stem cell, a lymphocyte, and a leukocyte comprises a step in which the sample is received in a vessel with at least... | 11/23/2004 |
| 6818455 | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents An analytical test device useful for example in pregnancy testing, comprises a hollow casing (500) constructed of moisture-impervious solid material, such as; plastics materials, containing a dry porous carrier (510) which communicates indirectly with ... | 11/16/2004 |
| 6737266 | Devices and methods for microorganism detection A device that includes at least two chambers separated by an activatable seal wherein upon activation of the seal the two chambers are in communication, and further wherein at least one chamber of the device includes a biological assay reagent and methods of using s... | 05/18/2004 |
| 6733731 | Device for storing and/or treating chemicals A device for storing and/or treating chemicals is described. The device includes a glass casing provided with a receiving cavity for storing chemicals therein, and further includes a transponder having a memory, the transponder being arranged in the device such that... | 05/11/2004 |
| 6673629 | Neutralization of polycations in a chromatographic device for whole blood use A chromatography assay device and method for use with whole blood samples utilizing a red blood cell separating agent to aggregate red blood cells and permit plasma or serum to flow by capillary action and a neutralizing agent to neutralize any effects th... | 01/06/2004 |
| 6607922 | Immunochromatographic assay method and apparatus An immunochromatographic assay employing superparamagnetic particles to lable the target analytes. An opaque cover prevents misinterpretive readings in field situations and provides a protective surface on the porous membrane. Additional features include ... | 08/19/2003 |
| 6579719 | Retentate chromatography and protein chip arrays with applications in biology and medicine This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the sub... | 06/17/2003 |
| 6579723 | Method of recovering highly purified vWF or factor VIII/vWF-complex A method for purifying factor VIII/vWF complex or free vWF by immunoaffinity chromatography in a form suitable for use as a medicament. Factor VIII/vWF complex or free vWF is recovered from an immunoaffinity adsorbent by using an eluting agent containing ... | 06/17/2003 |
