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7390650 |
System and method for obtaining and maintaining high-resistance seals in patch clamp recordings
The invention provides a system, system components, and a method for rapidly obtaining and stably maintaining a cell in optimal contact with the cell-contacting surface of a sensor in a cell-based...
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7374721 |
Chip with measuring reliability and a method thereof
A chip with measuring reliability and a method thereof are provided. The present invention serially connects a resistor having a resistance equal to or a little more than a maximum resistance of...
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7371561 |
In vitro, multiple electrode pair array and multiple treatment cell apparatus for use in electroporation
A multiple electrode pair array apparatus is provided for use with a multiple well plate which has multiple wells distributed in a two-dimensional matrix array which has R rows and C columns. The...
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7368085 |
Analyte detector
An analyte detector including a device having a surface, wherein the device is capable of detecting a charge adjacent to the surface. The surface includes a plurality of molecules bonded thereto,...
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7367221 |
Sensor for detection of liquid ingredients, particularly for biological materials and the detection device contained in the sensor
This invention relates to a sensor for the detection of liquid ingredients with a carrier element ( 10 ), a sensor element ( 1 ) on the carrier element ( 10 ) and a sensor array, which is disposed...
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7361307 |
Biological fluid constituent sampling and measurement devices
A device for accessing biological fluid, sampling biological fluid constituents and determining the concentration of at least one target constituent within the accessed biological fluid is...
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7354770 |
Sensing device and method using photo-induced charge movements
A device and method which comprises a sensing surface on a membrane, solid surface or electrode, where the sensing surface contains a dye or chromophore chosen in relation to a particular target...
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7354553 |
Method and apparatus for detecting the presence of elemental mercury in a gas sample
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an...
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7347974 |
Materials, method and apparatus for detection and monitoring of chemical species
A method for investigating a target environment to determine whether or in what amount a chemical species may be present therein, which comprises: (a) exposing to said environment an article of...
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7344679 |
Method and apparatus for point of care osmolarity testing
An apparatus and a method are disclosed for providing point of care testing for osmolarity of a bodily fluid. An apparatus is disclosed as having a fluid pathway passing through it for receiving...
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7341692 |
Detection apparatus for biological materials and methods of making and using the same
Apparatus comprising a surface site layer having a distal site end, wherein the distal site end includes a substantially inorganic surface having a chemical composition selected from a group...
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7338808 |
Method and apparatus for determining zeta potential using alternating current electric field and T channel
Provided is a method for determining a zeta potential generated between a solid wall and a solution. The method includes (a) injecting an electrolyte solution into a first inlet of a T channel,...
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7338639 |
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...
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7338637 |
Microfluidic device with thin-film electronic devices
A microfluidic device for analysis of a sample. The microfluidic device includes a substrate portion that at least partially defines a chamber for receiving the sample. The substrate portion...
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7335336 |
Sensor array using lateral field excited resonators
A sensor for sensing a property of a plurality of analytes includes a substrate having a resonant frequency that varies based on contact with a predetermined property of an analyte. The substrate...
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7329389 |
Sensor device and method for qualitative and quantitative analysis of gas phase substances
New sensors and methods for qualitative and quantitative analysis of multiple gaseous substances simultaneously with both high selectivity and high sensitivity are provided. The new sensors rely on...
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7326384 |
Method and apparatus for detecting physicochemical changes emitted by biological sample
A device for detecting a physicochemical change in a biological sample comprising at least one measuring electrode provided by causing a conductive material to enter into a porous film, and a...
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7318908 |
Integrated nanotube sensor
Integrated nanotube sensors are adapted for detecting various chemical and biological molecules. In one implementation, nanotube sensor arrays are formed as nano-electronic noses capable of such...
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7314761 |
Leak sensor for flowing electrolyte batteries
A leak detection system for a flowing electrolyte battery comprising a containment member associated with at least one of a stack of a flowing electrolyte battery and an electrolyte reservoir of a...
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7300802 |
Membrane strip biosensor system for point-of-care testing
The present invention relates to a biosensor for point-of-care testing (POCT) whose detection sensitivity was remarkably improved by introducing to membrane strip chromatographic assay system a...
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7297312 |
Simultaneous multianalyte electrochemical assay based on spatial resolution
A simultaneous multianalyte electrochemical assay includes a cell which has a surface and the surface includes analyte binding sites i.e., antibodies or antigens on a solid phase at distinct...
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7294249 |
Microfluidic component and method for sorting particles in a fluid
Microtechnologically prepared component as a flow cytometer. The component contains a preparation area to specifically influence and separate the particles, preferably by dielectrophoresis, a...
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7291503 |
Reversible resistivity-based sensors
One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of...
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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...
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7279133 |
Planar sensor and a method for measuring the temperature of same
In a planar oxygen sensor having a pump cell, a reference cell, a sensor chamber and a heating device, a ground plane electrode is provided and includes a sensing portion having a first sense lead...
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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...
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7258838 |
Solid state molecular probe device
A solid state nanopore device including two or more materials and a method for fabricating the same. The device includes a solid state insulating membrane having an exposed surface, a conductive...
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7253004 |
Chemical sensors from nanoparticle/dendrimer composite materials
The invention relates to a chemical sensor comprising a sensor film formed of a nanoparticle network in which the nanoparticles are interlinked by functionalized dendrimer molecules. The dendrimers...
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7238536 |
Controlled transport through multiple reversible interaction point membranes
A membrane comprising two or more macromolecules that interact via multiple reversible physical interaction points (MRIPM). The membrane further comprises a chemical species A, which interacts...
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7226563 |
Ion-detecting sensors comprising plasticizer-free copolymers
Plasticizer-free ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers...
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7226530 |
Conducting polymer nanofiber sensors
Polymer nanofibers, such as polyaniline nanofibers, with uniform diameters less than 500 nm can be made in bulk quantities through a facile aqueous and organic interfacial polymerization method at...
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7223366 |
MEMS membrane based sensor
A micro-electro-mechanical system (MEMS) device is described having a membrane which can be induced to resonate and the frequency of its resonance can be monitored. Chemical moieties can be...
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7220550 |
Molecular wire injection sensors
Disclosed is a sensor for sensing the presence of an analyte component without relying on redox mediators. This sensor includes (a) a plurality of conductive polymer strands each having at least a...
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7220386 |
On-board fuel properties measurement for engine management
A narrow test chamber has at least one heater immersed with its major faces parallel to the fuel surface, part way up the chamber. Heater resistance increases non-linearly as a critical temperature...
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7208121 |
Plasticizer-free-ion-detective sensors
A plasticizer-free ion detective sensor for detecting a target ion in a sample is provided. The sensor comprises a copolymer of methacrylate monomers with pendant alkyl groups of different length,...
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7201876 |
Ion-detecting sensors comprising plasticizer-free copolymers
Ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers having pendent...
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7198755 |
Multichannel fluorosensor
A multichannel fluorosensor includes an optical module and an electronic module combined in a watertight housing with an underwater connector. The fluorosensor has an integral calibrator for...
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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...
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7195738 |
Sensor and detecting method
A sensor is provided for detecting a target substance in a sample by detecting a product formed in the presence of an enzyme and an enzyme substrate. The sensor comprises two or more working...
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7192777 |
Apparatus and method for process monitoring
An apparatus is provided for testing fluid samples includes a sensor, which can be light source, directed to a flow cell and a photo sensor for detecting a light beam reflected from the flow cell....
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7189360 |
Circular chemiresistors for microchemical sensors
A circular chemiresistor for use in microchemical sensors. A pair of electrodes is fabricated on an electrically insulating substrate. The pattern of electrodes is arranged in a circle-filling...
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7189359 |
Electrowetting electrode device with electromagnetic field for actuation of magnetic-bead biochemical detection system
A detecting device for biochemical detections is provided. The detecting device includes a first substrate, a magnetic layer located on the first substrate, an isolation layer located on the...
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7189353 |
Use of spatiotemporal response behavior in sensor arrays to detect analytes in fluids
Methods, systems and sensor arrays are provided implementing techniques for detecting an analyte in a fluid. The techniques include providing a sensor array including at least a first sensor and a...
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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...
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7183117 |
Apparatus for measuring characteristics of chemical solution, chemical solution supply apparatus, and method for measuring concentration of chemical solution
A supply apparatus for preparing a mixed chemical solution of a predetermined mixing ratio at a low cost and for supplying the mixed chemical solution stably. The supply apparatus includes a...
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7182914 |
Structure and manufacturing process of a nano device transistor for a biosensor
The present invention relates to a structure and manufacturing process of a nano device transistor for a biosensor. The structure, the manufacturing process and the related circuit for a carbon...
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7179421 |
Multi-pin chemiresistors for microchemical sensors
A multi-pin chemiresistor for use in microchemical sensors. A pair of free-standing, bare wires is supported by an electrically insulating support, and are oriented parallel to each other and...
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7175885 |
Compositionally different polymer-based sensor elements and methods for preparing same
The present invention provides a combinatorial approach for preparing arrays of chemically sensitive polymer-based sensors which are capable of detecting the presence of a chemical analyte in a...
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7171312 |
Chemical and biological agent sensor array detectors
Chemical and biological detector systems, devices and apparatus. Such devices may be portable and wearable, such as badges, that are analyte-general, rather than analyte-specific, and which provide...
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7163659 |
Free-standing nanowire sensor and method for detecting an analyte in a fluid
A sensor device and method for detecting the presence of an analyte in a fluid solution are disclosed. The sensor device system can comprise a substrate and an array of free-standing nanowires...
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