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| Number | Title | Issue Date |
| 7314541 | Ion measuring composite electrode The present invention provides an improved ion measuring composite electrode, measuring instrument incorporating the composite electrode, and a manufacturing method for forming a preform of a composite double glass pipe for forming the ion measuring composite electr... | 01/01/2008 |
| 7291496 | Ultrasensitive biochemical sensor An electronic sensor is provided for detecting the presence of one or more analytes of interest in a sample. The sensor preferably comprises a field effect transistor in which conductance is enhanced by analyte binding to receptors in the active region. An array of ... | 11/06/2007 |
| 7264701 | Reference electrode with non-blocking liquid junction A reference electrode traps silver ions and chloro complex ions leaching to an internal filling solution so that the blocking of the liquid junction can be prevented. A silver/silver chloride electrode can be provided as an internal electrode in an internal filling ... | 09/04/2007 |
| 7189315 | Ion sensor and clinical analyzer using the same An ion sensor has a flow path through which a sample flows. An ion-exchange membrane is in contact with the sample in the sample flow path. An internal solution is provided on one side of the ion-exchange membrane. An internal electrode is provided so as to come in ... | 03/13/2007 |
| 7109853 | System for detecting and releasing a person locked in the trunk of a vehicle A vehicle safety system automatically detects the presence of a person sealed in the trunk of an automobile by sensing the CO2 respiration of the person. Visible, audio and radio alarms are generated in response to the detection of a person in the trunk. ... | 09/19/2006 |
| 7076282 | Bioadhesive compositions and biomedical electrodes containing them Bioadhesive Compositions which comprise a hydrophobic polymer wherein the concentration of the polymer at the surface of the adhesive is greater than its concentration in the bulk of the adhesive are described; and biomedical electrodes, fixation products and wound ... | 07/11/2006 |
| 7041206 | Medical diagnostic system A system for conducting a plurality of different medical diagnostic tests comprises a hand-held portable self contained instrument for engaging a disposable test cell containing a fluid to be tested. The instrument performs a diagnostic test selected from the plural... | 05/09/2006 |
| 6965791 | Implantable biosensor system, apparatus and method An implantable biosensor assembly and system includes an enzymatic sensor probe from which subcutaneous and interstitial glucose levels may be inferred. The assembly may be associated by direct percutaneous connection with electronics, such as for signal amplificati... | 11/15/2005 |
| 6952604 | Minimally-invasive system and method for monitoring analyte levels A minimally-invasive analyte detecting device and method for using the same. The system and method employ a device having an active electrode optionally coated with a substance, and a counter-electrode that is configured at least partially surround the active electr... | 10/04/2005 |
| 6875328 | pH sensor An inexpensive, high-performance pH sensor measure the surface of a solid substance in a simple manner, comprising an ion sensing part 2 which responds to pH, a reference electrode 3, a gel-form ion permeable substance 10, which has a predetermi... | 04/05/2005 |
| 6792301 | Bioadhesive compositions and biomedical electrodes containing them Bioadhesive Compositions which comprise a hydrophobic polymer wherein the concentration of the polymer at the surface of the adhesive is greater than its concentration in the bulk of the adhesive are described; and biomedical electrodes, fixation products and wound ... | 09/14/2004 |
| 6554982 | Miniaturized solid-state reference electrode with self-diagnostic function The present invention relates to a reference electrode for a potentiometric electrode system, characterized in that the junction in contact with a sample solution is enlarged and an ion-sensitive membrane containing an ion selective material as a protecti... | 04/29/2003 |
| 6472224 | Biosensor with modified precious metal surface and process for the preparation thereof The present invention relates to a biosensor (affinity sensor) in which a hydrogel, a surfactant layer or biotin are bonded to the biosensor's precious metal surface by means of a short-chained linker, as well as to the process for the preparation thereof... | 10/29/2002 |
| 6468811 | Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces ... | 10/22/2002 |
| 6432296 | Polymeric compositions for ion-selective electrodes Improved dry-operative ion-selective electrodes and their use are described. The dry-operative ion-selective electrodes include an internal reference electrode comprising a water-soluble salt dispersed in a polymer binder consisting essentially of a monom... | 08/13/2002 |
| 6328877 | Reference electrode improvement A system for measuring the effectiveness of cathodic protection or corrosion resistance comprises a coagulate-filled tube adapted for sensing electrical activity at a first end thereof. A second end of the coagulate-filled tube is in communication with a ... | 12/11/2001 |
| 6251691 | Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particles and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces rel... | 06/26/2001 |
| 6248224 | Toxic sensor and method of manufacture An electrochemical sensor is described for the analysis of ammonia in air functioning in an amperometric measuring operation. The cell consists of either an immobilized organic electrolyte or a water based electrolyte having in both cases a dissolved Mn | 06/19/2001 |
| 6214210 | Electrochemical surface analysis using deoxygenated gel electrolyte Electrochemical surface analysis using a deoxygenated gel electrolyte provides advantages over a liquid electrolyte in processes such as sequential electrochemical reduction analysis. In sequential electrochemical reduction analysis, a solderable portion ... | 04/10/2001 |
| 6198955 | Medical electrode method of manufacture An electrode provides electrical contact with a patient's skin with the electrode including a conductive member for connection to an external electrical apparatus and multilayers of gel for providing electrical interface between the patient's skin and the... | 03/06/2001 |
| 5922616 | Biochemical sensor and novel media for bioelectrochemical reactions The invention provides a sensor for detecting an analyte comprising a support for a bioreceptor or biomimic and a detection means, wherein the support can retain a bioreceptor or biomimic and the support and the bioreceptor or biomimic and the detection m... | 07/13/1999 |
| 5900128 | Electrochemical sensor An electrochemical sensor is provided on a substrate whereby a precious metal layer is arranged in an inner region under an electrolyte layer that is surrounded by a polyimide structure. A hydrophobic layer is surrounded by an outer polyimide structure an... | 05/04/1999 |
| 5837454 | Process for the manufacture of wholly microfabricated biosensors An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present invention allow for close control over the dimensional feat... | 11/17/1998 |
| 5837630 | High surface area mesopourous desigel materials and methods for their fabrication Mesoporous desigels are fabricated as nitrides, carbides, borides, and silicides of metals, particularly transition metals, and most particularly early transition metals. The desigels are prepared by forming a gel of a metallic compound, and removing solv... | 11/17/1998 |
| 5837112 | Electrochemical measuring cell for detecting phosgene An electrochemical measuring cell for detecting phosgene, with at least one measuring electrode made of silver and with a counterelectrode in an electrolyte, which contains an organic solvent and to which a conductive salt is added, is improved in terms o... | 11/17/1998 |
| 5777208 | Gas sensor with pressurized seal A gas sensor assembly having a first housing portion having a receptacle formed therein and a second housing portion in the form of a cover. A gas-sensing agent is disposed in the receptacle, and a working electrode, a counter electrode, and a reference e... | 07/07/1998 |
| 5739039 | Microelectrodes and amperometric assays A photo-ablation technique is used to create apertures (4) in a layer (2) of electrically insulating material and allow electrically conducting material (3) exposed through the apertures to create a microelectrode. The microelectrode can be used for assay... | 04/14/1998 |
| 5736590 | Process for producing an electrically driven mechanochemical actuator A process for producing an electrically driven mechanochemical actuator comprising: (a) immersing a mixture of poly(2-hydroxethyl methacrylate) and poly(methacrylic acid) crosslinked with 1,1,1-trimethylol propane trimethacrylate and ethylene glycol dimet... | 04/07/1998 |
| 5696314 | Multilayer enzyme electrode membranes and methods of making same An electrochemical sensor is designed for use in detecting a concentration of an analyte in a sample solution. The sensor to have a longer useful lifetime, improved stability and improved response time for single or multiple use applications. In one aspec... | 12/09/1997 |
| 5690808 | Electrochemical gas sensors and methods for sensing electrochemical active gases in gas mixtures An electrochemical, galvanic type, oxygen sensor including scavenging electrodes for continuously reacting any unreacted or partially reacted active gases, such as oxygen, to remove the active gases prior to being dissolved or have been dissolved in the e... | 11/25/1997 |
| 5656142 | Biosensor for measuring gas and the manufacturing method thereof A biosensor for measuring gas-phase organic chemicals rapidly and accurately. The biosensor includes a thick film electrochemical device having an insulating substrate, electrodes formed on the substrate, connecting pads for the electrodes and an insulati... | 08/12/1997 |
| 5639574 | Ionically conductive polymer gels A bulk ionically conductive polymer gel is prepared by dissolving a salt such as lithium trifluoromethanesulphonate (which would provide lithium ion conductors) in an organic compound such as N-formylpiperidine. The organic compound dissolves the salt at ... | 06/17/1997 |
| 5611902 | Cathode in a layered circuit and electrochemical cell for measurement of oxygen in fluids The electrode of the present invention has metallic surface within a laser produced opening where the metallic surface extends into an electronic metallic conductive pathway and the pathway is covered for electric insulation by an encapsulant layer. The e... | 03/18/1997 |
| 5571395 | Breath alcohol analyzer using a biosensor A biosensor for measuring alcohol concentration includes an insulating substrate and an amperometric device formed on the insulation substrate, having a plurality of conductive lines and connective pads and a plurality of electrodes. An enzyme immobilized... | 11/05/1996 |
| 5538620 | Electrochemical sensor with which to measure gas concentrations The invention concerns a novel electrochemical sensor with which to measure gas concentrations and comprising a measuring electrode and an associated electrode containing a carbonaceous material with a specific surface of at least 40 m2 /g and ... | 07/23/1996 |
| 5521101 | Monitoring bioelectrochemical reactions and novel media for bioelectrochemical reactions A method of determining an analyte in the gaseous or vapour phase and in which a bioreceptor or biomimic is retained at an electrode. The bioreceptor or biomimic is preferably retained at a support at the electrode which comprises a solid or gel matrix of... | 05/28/1996 |
| 5514262 | Electochemical deposition of trans-polyacetylene films The electrochemical method of this invention allows deposition of an electrically conductive trans-polyacetylene film on a substrate from a solution comprising substantially dehydrated ethyl alcohol.... | 05/07/1996 |
| 5492611 | Miniaturized oxygen electrode A miniaturized oxygen electrode comprising: an electrically insulating substrate; an electrolyte-containing material disposed on the substrate to form an electrolyte solution when water is introduced thereto; a set of component electrodes disposed on the ... | 02/20/1996 |
| 5466575 | Process for the manufacture of wholly microfabricated biosensors An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present invention allow for close control over the dimensional feat... | 11/14/1995 |
| 5466348 | Methods and devices for enhanced biochemical sensing A method and application for detecting and measuring the presence of a binding target material employs a semiconductor device having a receptor-covered surface topgate, separated by a dielectric layer from a substrate. Receptors attached to this surface e... | 11/14/1995 |
