In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8182746 | Electrophoresis process using a valve system An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low concentrations. The apparatus comprises a relatively large-bore transport capillary which intersects with a ... | 05/22/2012 |
| 8173071 | Micro-fluidic test apparatus and method An apparatus, system, and method for determining the osmolarity of a fluid. The apparatus includes at least one micro-fluidic circuit and at least one electrical circuit disposed in communication with the at least one micro-fluidic circuit for determining a property... | 05/08/2012 |
| 8168120 | Reliable switch that is triggered by the detection of a specific gas or substance A sensor, having a resonant frequency responsive to presence of an analyze, comprising a DC electrostatic excitation component, to produce a static force pulling a moveable element toward a backplate; an AC electrostatic excitation component, to produce an oscillati... | 05/01/2012 |
| 8163240 | Detection device and system A detection device and system are provided. The detection device includes a detection capacitor and a Field Effect Transistor (FET). The detection capacitor has a reactive material layer reacting to a specific functional group in a fluid, and first and second electr... | 04/24/2012 |
| 8142721 | Test strip with slot vent opening A test strip with a covering layer having a novel slot. The slot divides the inventive covering layer into two parts and provides a vent opening that allows air to escape as fluid enters a cavity or sample receiving chamber formed in the test strip. In preferred emb... | 03/27/2012 |
| 8105538 | Robust low resistance vapor sensor materials Compositions for sensor films used for detecting chemical analytes within sensors, such as polymer-absorption chemiresistors (i.e., conductometric sensors) are provided. Robust sensor film compositions that have low resistance, high conductivity, and greater tempera... | 01/31/2012 |
| 8084002 | Chemical sensing device The present application relates to a chemical sensing device for detecting an analyte in a liquid sample containing suspended particles. The device comprises a radiation source adapted to generate electromagnetic radiation, a transducer (3) having a pyroelect... | 12/27/2011 |
| 8080205 | Analyte meter protectors and methods Analyte meter protectors, meters that include the same, and methods. In one example, a ketone monitoring system is provided wherein a port protector is used in combination with a meter. ... | 12/20/2011 |
| 8071030 | Test strip with flared sample receiving chamber A test strip with a sample receiving chamber having a novel flared portion that terminates in a sample receiving opening. The flared portion provides a reservoir from which sample fluid can be drawn into the capillary or sample receiving chamber. The wider opening p... | 12/06/2011 |
| 8071031 | Device for in situ calibrated potentiometric pH measurements A device for the precise and accurate potentiometric pH measurements in situ. Embodiments of a potentiometric device according to the invention consist of one or more glass pH-sensitive electrodes connected to a potentiometer. A key feature of the device is that, ra... | 12/06/2011 |
| 8066945 | Detection apparatus for biological materials and methods of making and using the same Apparatus comprising a surface site comprising a substantially inorganic surface having a chemical composition selected from the group consisting of metals, semiconductors, insulators, and mixtures thereof, the surface positioned within a polypeptide bonding region ... | 11/29/2011 |
| 8052931 | Ultra low-power CMOS based bio-sensor circuit An apparatus configured to identify a material having an electric charge, the apparatus having: an inverting gain amplifier including a first field-effect transistor (FET) coupled to a second FET; wherein a gate of the first FET is configured to sense the electric c... | 11/08/2011 |
| 8043563 | Electronic biosensor arrangement An electronic biosensor arrangement (1), comprising a receiving region (2) for biological material, a sensor-electrode arrangement (3) with sensor electrodes (3a, 3b) which intermesh in a comb-like manner being associ... | 10/25/2011 |
| 8038944 | Electrokinetic device for capturing assayable agents in a dielectric fluid Electrokinetic devices and methods are described with the purpose of collecting assayable agents from a dielectric fluid medium. Electrokinetic flow may be induced by the use of plasma generation at high voltage electrodes and consequent transport of charged particl... | 10/18/2011 |
| 8038943 | Method of detecting bio-molecules using field effect transistor without fixing probe bio-molecules on the gate sensing surface A method of detecting a presence of bio-molecules, or a concentration of the target bio-molecules using a field effect transistor, includes allowing a first sample including a first target bio-molecule to contact a sensing surface of the field effect transistor and ... | 10/18/2011 |
| 8017078 | Blood cell analyzer, blood cell analyzing method, and computer program product A blood cell analyzer is provided with a first detection unit for electrically detecting blood cells in blood sample; a second detection unit for optically detecting blood cells in blood sample; a volume information obtainer for obtaining volume information of red b... | 09/13/2011 |
| 8012420 | Robust low resistance vapor sensor materials Compositions for sensor films used for detecting chemical analytes within sensors, such as polymer-absorption chemiresistors (i.e., conductometric sensors) are provided. Robust sensor film compositions that have low resistance, high conductivity, and greater tempera... | 09/06/2011 |
| 8007724 | Electrophoresis apparatus having at least one auxiliary buffer passage An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low concentrations. The apparatus comprises a relatively large-bore transport capillary which intersects with a ... | 08/30/2011 |
| 8007726 | Microarray bioprobe device integrated with an amplifier having bottom-gate thin film transistors The present invention provides a microarray bioprobe device integrated with an amplifier having bottom-gate thin film transistors. The present invention utilizes a micro-electro-mechanical process as well as a semiconductor process to integrate microarray bioprobes ... | 08/30/2011 |
| 8007725 | Electrophoresis apparatus having valve system An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low concentrations. The apparatus comprises a relatively large-bore transport capillary which intersects with a ... | 08/30/2011 |
| 8007727 | Virtual semiconductor nanowire, and methods of using same A multiple-gate field-effect transistor includes a fluid in a top gate, two lateral gates, and a bottom gate. The multiple-gate field-effect transistor also includes a patterned depletion zone and a virtual depletion zone that has a lesser width than the patterned d... | 08/30/2011 |
| 7988917 | Analytical test element with wireless data transmission The present invention concerns embodiments of a system for determining the concentration of an analyte in a body fluid which comprises an analytical test element and an instrument separate therefrom, wherein at least a part of the electrical components of the system... | 08/02/2011 |
| 7985377 | Apparatus for monitoring chlorine concentration in water Apparatus (2) for monitoring chlorine in water (4), which apparatus (2) comprises a flow cell (6), the flow cell (6) containing a chlorine sensor (62) and an automatic calibration system, and the automatic calibration system... | 07/26/2011 |
| 7981363 | System and method for analyte measurement A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the an... | 07/19/2011 |
| RE42560 | Electrochemical biosensor test strip An electrochemical biosensor test strip with four new features. The test strip includes an indentation for tactile feel as to the location of the strips sample application port. The sample application port leads to a capillary test chamber, which includes a test rea... | 07/19/2011 |
| 7964146 | Measuring device and methods for use therewith The ability to switch at will between amperometric measurements and potentiometric measurements provides great flexibility in performing analyses of unknowns. Apparatus and methods can provide such switching to collect data from an electrochemical cell. The cell may... | 06/21/2011 |
| 7955560 | Apparatus for determining the concentration of chemical components in a liquid or gaseous system using multiple sensors The present invention provides a sensor system for determining a concentration of a chemical component in a fluid having a first sensor that senses a first physico-chemical property of the chemical component and, a second sensor that senses a second, different physi... | 06/07/2011 |
| 7943090 | Plastic injection-moulded part with embedded component A method for producing a plastic injection-moulded part having an insert made of a material different from the plastic material is provided, the method comprising the steps of: (a) introducing and positioning the insert in a cavity of an injection mould; (b) setting... | 05/17/2011 |
| 7943089 | Laminated assay devices An electrochemical-based assay device capable of detecting the presence or quantity of an analyte of interest that is provided. The device contains two or more substrates, one containing a detection working electrode and another containing an auxiliary electrode, su... | 05/17/2011 |
| 7935307 | Disposable, refillable glucometer with cell phone interface for transmission of results A disposable glucometer is disclosed which includes a testing region for receiving a test strip and electronic components to perform blood glucose monitoring, a cell phone interface for relaying test results to a monitoring station or server (which can be through a ... | 05/03/2011 |
| 7922975 | Resonant sensor capable of wireless interrogation A resonant sensor for detecting a specific environmental analyte is presented. The resonant sensor comprises a top conductive layer of two ground conductors and a center signal line, a bottom conductive layer of two ground lines shunted together by a shunt line and ... | 04/12/2011 |
| 7910063 | Drift compensated magnetic permeability detector A device for detection of magnetic permeability μ or, alternatively, relative magnetic permeability μr or, alternatively, relative magnetic susceptibility (μr−1) of a sample, wherein said device contains a sample chamber and at least two c... | 03/22/2011 |
| 7910064 | Nanowire-based sensor configurations This invention provides nanowire based molecular sensors and methods for detecting analytes in a microfluidic system. Methods for sensing analytes include detecting changed electrical parameters associated with contact of a nanowire with the analyte in a microfluidi... | 03/22/2011 |
| 7871571 | Biomolecule analyzing system A biomolecule analyzing system (10) that provides an expeditious, accurate and reliable method for analyzing a biomolecule (150). The system (10) includes two substrates (12,28) each having an inner edge (14,30), an outer edge (... | 01/18/2011 |
| 7846389 | High throughput screen The present invention relates to a structure comprising a biological membrane and a porous or perforated substrate, a biological membrane, a substrate, a high throughput screen, methods for production of the structure membrane and substrate, and a method for screeni... | 12/07/2010 |
| 7829023 | Test strip with vent opening A test strip with a covering layer having a novel vent. The vent divides the inventive covering layer into two parts and provides an opening that allows air to escape as fluid enters a cavity or sample receiving chamber formed in the test strip. In preferred embodim... | 11/09/2010 |
| 7815860 | Biosensor, biosensor system and method of using thereof A biosensor for detecting an analyte by using a variable voltage according to infrared radiation absorption is provided. The biosensor includes an infrared absorber having a variable resistance and bioreceptors immobilized onto the infrared absorber for selectively ... | 10/19/2010 |
| 7794657 | Phase change sensor A device is disclosed which is a highly sensitive and selective sensor. The device is comprised of a sensor material secured into a fixed position on substrate, a deformable arm and a signaling component which creates a detectable signal in response to movement of t... | 09/14/2010 |
| 7794658 | Open circuit delay devices, systems, and methods for analyte measurement System, circuits, and methods to reduce or eliminate uncompensated voltage drop between an electrode of an electrochemical cell usable for analyte measurement. In one example, a system is provided that includes a test strip, a reference voltage circuit, an operation... | 09/14/2010 |
| 7780917 | Calibratable flow detector A device and method are provided for the reliable calibration of detector units for the detection of low-molecular substances in a liquid flow. ... | 08/24/2010 |