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| Number | Title | Issue Date |
| 8105469 | Microelectrode array Microelectrode comprising a body formed from electrically non-conducting material and including at least one region of electrically conducting material and at least one passage extending through the body of non-conducting material and the region of conducting materi... | 01/31/2012 |
| 8021529 | Ion measurement/calibration cell A measurement/calibration cell for potentiometrically measuring ion concentration in a fluid interposes a barrier between measuring and reference electrodes and positions the measuring electrode at a sufficiently higher gravimetric potential above the reference elec... | 09/20/2011 |
| 7758734 | Methods and apparatus for the measurement of hydrogen sulphide and thiols in fluids An electrochemical sensor for measuring the amount of hydrogen sulphide or thiols in a fluid in a wellbore comprises a temperature- and pressure-resistant housing containing a flow path for the fluids. The fluids flow over one side of a gas permeable membrane made o... | 07/20/2010 |
| 7678251 | System and method for detecting gas A system to detect a presence of a specific gas in a mixture of gaseous byproducts comprising moisture vapor is disclosed. The system includes an electrochemical cell, a transport to deliver the mixture of gaseous byproducts from the electrochemical cell, a gas sens... | 03/16/2010 |
| 7569128 | Coulometric water vapor sensor A sensor for detecting water vapor in a gaseous sample. The sensor comprises (a) an anode, (b) a cathode, (c) an electrolyte intermediate the anode and cathode, and (d) an inlet orifice through a central area of the anode or cathode through which the gaseous sample ... | 08/04/2009 |
| 7556725 | Sealing ring assembly and mounting method A sealing ring assembly and an improved method for mounting a sealing ring into an electrochemical cell used for Electrochemical Capacitance Voltage (ECV) profiling measurements. The ring is located in a holder having at least one secondary bore providing fluid comm... | 07/07/2009 |
| 7513983 | Insulator electrode devices Methods and insulator electrode devices for performing electrochemical reactions are disclosed. The devices consist of high specific surface area electrodes based on a channeled conducting base material that has been coated with an organic or inorganic insulating fi... | 04/07/2009 |
| 7438792 | Separation system with a sheath-flow supported electrochemical detector An electrochemical detector including side channels associated with a separation channel of a sample component separation apparatus is provided. The side channels of the detector, in one configuration, provide a sheath-flow for an analyte exiting the separation chan... | 10/21/2008 |
| 7435320 | Methods and apparatuses for monitoring organic additives in electrochemical deposition solutions The present invention relates in general to real-time analysis of electrochemical deposition (ECD) metal plating solutions, for the purpose of reducing plating defects and achieving high quality metal deposition. The present invention provides various new electroche... | 10/14/2008 |
| 7407566 | System and method for sensing using diamond based microelectrodes A method and system is disclosed for monitoring one or more characteristics associated with a fluid. An insulating layer comprising non-conducting diamond is positioned within a housing and has a surface exposed directly or indirectly to the fluid. A plurality of mi... | 08/05/2008 |
| 7399401 | Methods for use in assessing a flow condition of a fluid A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at least one other electrode, sufficient for communication with the fluid, o... | 07/15/2008 |
| 7371247 | Method and apparatus for penetrating tissue A tissue penetrating system includes a plurality of penetrating members each having a tip. A penetrating member driver is coupled to the plurality of penetrating members. Each tip of a penetrating member is uncovered during launch of the penetrating member by the pe... | 05/13/2008 |
| 7364647 | Laminated flow device A laminated flow device comprises a porous material encapsulated within bonding material. The porous material forms a flow path and the bonding material forms an enclosure surrounding the flow path. Micro-components, such as capillaries, electrodes, reservoirs, brid... | 04/29/2008 |
| 7340966 | Sensor with water ingress protection A gas monitoring system that comprises a sensor, a first valve, and a second valve. The sensor is disposed within a sensor housing that has an inlet and an outlet. The sensor generates a signal based on a characteristic of a gas within the housing. The first valve i... | 03/11/2008 |
| 7335292 | Sensor with improved shelf life The present invention provides a metal electrode stabilized by a coating, the coating comprising a sulfur containing moiety in its molecular structure. The coating may also include a hydrophilic group and a spacer between the sulfur containing moiety and the hydroph... | 02/26/2008 |
| 7331931 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes an electrically powered drive force generator. A penetrating member is operatively coupled to the force generator. The force generato... | 02/19/2008 |
| 7325555 | Rinsing device for a sensor probe A rinsing device for a sensor has a cylinderlike rinsing chamber which has an anterior chamber part connectable to a measuring fluid container and which is configured to receive an immersion tube that contains a sensor and is coaxial with as well as movable along th... | 02/05/2008 |
| 7323140 | Moving microdroplets in a microfluidic device The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations within the microfluidic. The system includes a substrate which forms ... | 01/29/2008 |
| 7316700 | Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine... | 01/08/2008 |
| 7314453 | Handheld diagnostic device with renewable biosensor A handheld diagnostic device having a test head and a handle is equipped with an open test channel having sensors and liquid reagent dispensing opening for the diagnostic testing of body fluids. The test channel can draw in fluid sample by capillary force and be clo... | 01/01/2008 |
| 7314542 | Methods and materials for optimization of electronic transportation and hybridization reactions Methods for the transport and hybridization of a nucleic acid on an electrode device by providing a low conductivity buffer with a reducing agent to the device. The low conductivity buffer may also contain a zwitterion. A current and voltage is applied to a location... | 01/01/2008 |
| 7297241 | Method and a device for monitoring a medical microsample in the flow measuring cell of an analyzer The invention relates to a method and device for the monitoring of a medical microsample in the flow measuring cell of an analyzer with regard to position and absence of bubbles by means of an alternating voltage applied to the measuring cell, the measuring cell bei... | 11/20/2007 |
| 7291117 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a voice coil based penetrating member driver. A plurality of penetrating members are included. A transport mechanism is configured to... | 11/06/2007 |
| 7287318 | Biosensor A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess cir... | 10/30/2007 |
| 7282241 | Patterned, high surface area substrate with hydrophilic/hydrophobic contrast, and method of use Nanoporous structures are constructed that have hydrophilic regions separated by hydrophobic regions. The porous, hydrophilic regions have reaction sites suitable for use in a bioassay application and have a higher density of reaction sites than that of a non-porous... | 10/16/2007 |
| 7278210 | Method for producing a 3-D microscope flow-through cell The invention relates to a method of producing a 3-D microscope flow-through cell, consisting of an upper and a lower substrate between which is located a flow channel, an electrode structure penetrating the flow channel and connected with external contacts and with... | 10/09/2007 |
| 7267751 | Programmable multiplexed active biologic array The present invention is directed to devices and methods for carrying out and/or monitoring biological reactions in response to electrical stimuli. A programmable multiplexed active biologic array includes an array of electrodes coupled to sample-and-hold circuits. ... | 09/11/2007 |
| 7258693 | Device and method for variable speed lancet A method of penetrating tissue is provided. The method comprises using a lancet driver to advance a lancet into the tissue; advancing the lancet at a first desired velocity in a first layer of tissue; advancing the lancet at a second desired velocity in a second lay... | 08/21/2007 |
| 7250602 | Probe device A probe device comprises a cantilever comprising a probe allocated to be opposed to a surface of a sample, means for feeding back a vibration amplitude value of the cantilever, thereby self-exciting and vibrating the cantilever at a predetermined frequency, means fo... | 07/31/2007 |
| 7244265 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a drive force generator and a penetrating member operatively coupled to the force generator. The force generator moves the member alo... | 07/17/2007 |
| 7244345 | Electrochemical method and sensor for the detection of traces of explosives A system for highly sensitive electrochemical detection of trace nitro-aromatic compounds in air, uses a carbon or carbon/gold working electrode with a surface that is modified to increase the electron transfer kinetics of nitro-aromatic compounds. Chemical modifier... | 07/17/2007 |
| 7232451 | Method and apparatus for penetrating tissue A skin penetrating system has a housing member and a plurality of penetrating members positioned in the housing member. A tissue stabilizing device is coupled to the housing member. A user interface is configured to relay at least one of, skin penetrating performanc... | 06/19/2007 |
| 7229458 | Method and apparatus for penetrating tissue A tissue penetrating system includes a plurality of cartridges each with a distal port and a proximal port. A plurality of penetrating members are provided, each coupled to a cartridge and having a sharpened distal tip and a shaft portion slidably disposed within th... | 06/12/2007 |
| 7229538 | Microfluidic device with network micro channels A microfluidic device has a plurality of H-shaped micro channels not connected to each other and formed on a substrate. Each of the H-shaped micro channels comprises two main channels separately placed on two opposite sides in parallel and a plurality of sub-channel... | 06/12/2007 |
| 7226461 | Method and apparatus for a multi-use body fluid sampling device with sterility barrier release A device for use with a gripper is provided. A cartridge is provided that defines a plurality of cavities. A plurality of penetrating members are at least partially contained in the cavities of the cartridge. The penetrating members are slidably movable to extend ou... | 06/05/2007 |
| 7226562 | Liquid analysis cartridge The present invention provides an apparatus and method for storing a particle-containing liquid. The storage apparatus comprises a microfluidic convoluted flow channel having a plurality of particle capture regions. The storage channel is preferably an isotropic spa... | 06/05/2007 |
| 7220334 | Method of manufacturing microdevice having laminated structure The present invention provides a method of manufacturing a microdevice having a fine capillary cavity formed as a cut portion of a very thin layer which is likely to be broken, particularly a method of manufacturing a microdevice having complicated passages formed i... | 05/22/2007 |
| 7208077 | Sensor arrangement with electrically controllable arrays An electric sensor array which is provided with several sensor positions that each have at least two microelectrodes. Molecular substances can be detected electrochemically and charged molecules can be transported or handled using the array. Measuring procedures can... | 04/24/2007 |
| 7198606 | Method and apparatus for a multi-use body fluid sampling device with analyte sensing A device for use with a penetrating member driver to penetrate tissue is provided. A plurality of penetrating members are coupled to a single cartridge and are operatively couplable to the penetrating member driver. The penetrating members are movable to extend radi... | 04/03/2007 |
| 7198754 | Biological material detection element, biological material detection method and apparatus, charged material moving apparatus A biological material detection apparatus which detects a charged biological material such as a gene or protein contained in a sample liquid is disclosed. A biological material detection element includes a substrate, at least one first electrode formed on the substr... | 04/03/2007 |
