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2414 results about "Bio sensor" patented technology
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Multi-user remote health monitoring system with biometrics support
InactiveUS20030229514A2Easy to identifyData processing applicationsPerson identificationPharmacyPublic place
Abstract of the Disclosure The invention presents a networked system for identifying an individual, communicating information to the individual, and remotely monitoring the individual. The system includes a remotely programmable apparatus that occasionally connects to a server via a communication network such as the Internet. The remotely programmable apparatus interacts with the individual in accordance with a script program received from the server Among other capabilities, the script program may instruct the remotely programmable apparatus to identify the individual, to communicate information to the individual, to communicate queries to the individual, to receive responses to the queries, and to transmit information identifying the individual and the responses from the remotely programmable apparatus to the server. Information identifying the individual may be obtained via a biometrics sensor, a data card, a remote monitoring device, or the interception of data from a separate information system. The information identifying the individual may be used by either or both the server system and remotely programmable apparatus for security, customization and other purposes. As the present invention has multi-user capabilities, it can be used in a public place, such as a pharmacy or health care clinic. The multi-user capabilities also allow collection and tracking of user data for the healthcare industry.
Owner:HEALTH HERO NETWORK
Embedded bio-sensor system
InactiveUS7125382B2Improve accuracyAccurate measurementTelemedicineEndoradiosondesGlucose sensorsConcentrations glucose
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable passively-powered on-chip transponder. The bio-sensor system is specifically adapted to provide a substantially stable and precise sensor reference voltage to a sensor assembly that is included with the on-chip transponder. The remote transponder is also configured to remotely receive data representative of a physiological parameter of the patient as well as identification data and may enable readout of one or more of the physiological parameters that are measured, processed and transmitted by the on-chip transponder upon request by the remote transponder. The precision and stability of the sensor reference voltage is enhanced by the specific circuit architecture of the glucose sensor to allow for relatively accurate measurement of the physiological parameter such as measurement of glucose concentration by a glucose sensor without the use of a microprocessor.
Owner:JAMM TECH INC
Transducer for embedded bio-sensor using body energy as a power source
InactiveUS20050261563A1Improve accuracyAccurate measurementTelemedicineEndoradiosondesMuscle tissueVoltage pulse
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable on-chip transponder. A power supply collects alternating current voltage pulses from an electro-active polymer generator embedded in muscle tissue for generating power for the on-chip transponder. The power supply is specifically adapted to provide a stable and precise sensor reference voltage to a sensor assembly to enhance the accuracy of measurements of a physiological parameter of a patient. The remote transponder receives data representative of the physiological parameter such as glucose concentration levels. The data is processed and transmitted to the remote transponder by the on-chip transponder. The precision and stability of the sensor reference voltage is enhanced by the specific circuit architecture of a glucose sensor to allow for relatively accurate measurement of glucose concentration levels without the use of a microprocessor.
Owner:JAMM TECH INC
Biosensor and methods of use thereof
InactiveUS6999810B2Raise the possibilityImprove blood sugar controlImmobilised enzymesBioreactor/fermenter combinationsElectrochemical biosensorAnalyte
An automated system for continual transdermal extraction of analytes present in a biological system is provided. The system can be used for detecting and / or measuring the concentration of the analyte using an electrochemical biosensor detection means. The system optionally uses reverse iontophoresis to carry out the continual transdermal extraction of the analytes.
Owner:ANIMAS TECH +1
Electrochemical biosensor strip for analysis of liquid samples
InactiveUS6863800B2Easy to transportImmobilised enzymesBioreactor/fermenter combinationsElectrochemical biosensorConcentrations glucose
A biosensor in the form of a strip. In one embodiment, the biosensor strip comprises an electrode support, a first electrode, i.e., a working electrode, a second electrode, i.e., a counter electrode, and a third electrode, i.e., a reference electrode. Each of the electrodes is disposed on and supported by the electrode support. Each of the electrodes is spaced apart from the other two electrodes. The biosensor strip can include a covering layer, which defines an enclosed space over the electrodes. This enclosed space includes a zone where an analyte in the sample reacts with reagent(s) deposited at the working electrode. This zone is referred to as the reaction zone. The covering layer has an aperture for receiving a sample for introduction into the reaction zone. The biosensor strip can also include at least one layer of mesh interposed in the enclosed space between the covering layer and the electrodes in the reaction zone. This layer of mesh facilitates transporting of the sample to the electrodes in the reaction zone. In another embodiment, a biosensor strip can be constructed to provide a configuration that will allow the sample to be introduced to the reaction zone by action of capillary force. In this embodiment, the layer of mesh can be omitted. The invention also provides a method for determining the concentration of glucose in a sample of whole blood by using the biosensor of this invention.
Owner:ABBOTT LAB INC
Multifunctional and multispectral biosensor devices and methods of use
InactiveUS6743581B1Immobilised enzymesBioreactor/fermenter combinationsElectromagnetic radiationBiology
An integrated biosensor system for the simultaneously detection of a plurality of different types of targets includes at least one sampling platform, the sampling platform including a plurality of receptors for binding to the targets. The plurality of receptors include at least one protein receptor and at least one nucleic acid receptor. At least one excitation source of electromagnetic radiation at a first frequency is provided for irradiating the receptors, wherein electromagnetic radiation at a second frequency different from the first frequency is emitted in response to irradiating when at least one of the different types of targets are bound to the receptor probes. An integrated circuit detector system having a plurality of detection channels is also provided for detecting electromagnetic radiation at said second frequency, the detection channels each including at least one detector.
Owner:UT BATTELLE LLC
Methods for microdispensing patterened layers
InactiveUS6306594B1Efficient couplingShort response timeMicrobiological testing/measurementBurettes/pipettesAnalyteClinical settings
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 features of the various components and layers established on a suitable substrate. Such control extends to those parts of the devices which incorporate the biological components which enable these devices to function as biological sensors. The materials and methods disclosed herein thus provide an effective means for the mass production of uniform wholly microfabricated biosensors. Various embodiments of the devices themselves are described herein which are especially suited for real time analyses of biological samples in a clinical setting. In particular, the present invention describes assays which can be performed using certain ligand / ligand receptor-based biosensor embodiments. The present invention also discloses a novel method for the electrochemical detection of particular analyte species of biological and physiological significance using an substrate / label signal generating pair which produces a change in the concentration of electroactive species selected from the group consisting of dioxygen and hydrogen peroxide.
Owner:I STAT CORP
Thick film conductor composition for use in biosensors
InactiveUS6627058B1Immobilised enzymesBioreactor/fermenter combinationsElectrical conductorPolyethylene glycol
This invention is directed to a composition comprising: (a) platinum group metal powder, alloys, or mixtures thereof as a powder or deposited on graphite supports; (b) poly(glycol ether), derivatives, or mixtures thereof; (c) carbon-based electrically conductive filler; and (d) thermoplastic polymer or mixtures thereof. The invention is further directed to a process for dispersing platinum group metal powder, alloys, or mixtures thereof in poly(glycol ether), derivatives, or mixtures thereof. The invention is further directed to the above composition wherein the platinum group metal powder has been dispersed according to the above process.
Owner:EI DU PONT DE NEMOURS & CO
Determination of sample volume adequacy in biosensor devices
InactiveUS6872298B2Accurate measurementImmobilised enzymesBioreactor/fermenter combinationsAnalyteTest strips
Systems and methods are provided for determining whether a volume of biological sample is adequate to produce an accurate analyte concentration measurement. Certain such systems and methods provide the additional function of compensating for a sample volume determined to be less than adequate in order to proceed with an accurate analyte concentration measurement. The present invention is employed with a biosensor, such as an electrochemical test strip to which the sample volume of biological solution is deposited, and a meter configured to receive such test strip and to measure the concentration of selected analytes within the biological sample.
Owner:LIFESCAN IP HLDG LLC
Device having a flow channel containing a layer of wicking material
ActiveUS7086277B2High strengthImmobilised enzymesBioreactor/fermenter combinationsChemical reactionElectron flow
A device having a flow channel, wherein a layer of mesh is adhered to a surface forming a wall of a flow channel, but the layer of mesh is of such dimensions that the layer of mesh does not contact those portions of the device where electrochemical reactions occur and electrons flow. In one aspect, the invention provides a sensor, such as, for example, a biosensor, in the form of a strip, the sensor being suitable for electrochemical or optical measurement. The sensor comprises a base layer and a cover layer having a layer of mesh adhered thereto, and the base layer is separated from the cover layer by a spacer layer. The base layer, the cover layer having a layer of mesh adhered thereto, and the spacer layer define a flow channel into which a liquid sample is drawn therein and flows therethrough by means of wicking.
Owner:ABBOTT DIABETES CARE INC
Biosensors for single cell and multi cell analysis
InactiveUS20030104512A1Microbiological testing/measurementBiological testingElectricityBiological cell
The present invention relates to a structure comprising a biological membrane and substrate with fluidic network, an array of membranes and an array of fluidic networks in substrate, a high throughput screen, methods for production of the membrane, substrate structure, and a method for interconnected array of substrate structures and a method for attaching membranes to structure, a method to electrically record events from the membranes and a method to screen large compound library using the array. More particularly, it relates to biological cells and artificial cell membranes adhered to the substrate with a high electrical resistivity seal, a method to manufacture array configuration of such substrates, and a method to screen compounds using the membrane receptors such as ion-channels, ion pumps, & receptors.
Owner:CYTOPLEX BIOSCI
Devices and Methods for Accessing and Analyzing Physiological Fluid
InactiveUS20080009768A1Irritation and pain be avoidRapidly and accurately detect occurrenceSensorsBiological testingSkin penetrationSubject specific
Systems, devices and methods for determining the concentration of physiological fluid analytes are provided. The subject systems have a plurality of biosensor devices present on a disposable cartridge. Each biosensor device includes a biosensor and a skin penetration means. In practicing the subject methods, a movement means of the device is used to move each biosensor device in a first direction that provides for penetration of the skin-piercing means into a skin layer followed by movement of the biosensor in a second direction that provides for removal of the skin-piercing means from the skin layer, where this movement profile provides for physiological fluid access and analyte concentration determination by the analyte sensor means. The subject systems, devices and methods for using the same find use in determining the concentration of a variety of different physiological fluid analytes, and are particularly suited for use in detection of physiological fluid glucose concentration.
Owner:LIFESCAN INC
Device having a flow channel
InactiveUS20040067166A1High strengthReduce volumeImmobilised enzymesBioreactor/fermenter combinationsOptical measurementsEngineering
A device having a flow channel, wherein at least one flow-terminating interface is used to control the flow of liquid in the flow channel. The flow-terminating interface prevents the flow of the liquid beyond the interface. In one aspect, the invention provides a sensor, such as, for example, a biosensor, in the form of a strip, the sensor being suitable for electrochemical or optical measurement. The sensor comprises a base layer and a cover layer, and the base layer is separated from the cover layer by a spacer layer. The base layer, cover layer, and spacer layer define a flow channel into which a liquid sample is drawn therein and flows therethrough by means of capillary attraction. The flow of the sample is terminated by a flow-terminating interface positioned in the flow channel.
Owner:ABBOTT LAB INC
Method and device for controlling liquid flow on the surface of a microfluidic chip
The invention is directed to a method and device for routing, mixing, or reacting droplets or liquid microstreams along the surface of a flat substrate. The flow of liquid microstreams or microdroplets along designated pathways is confined by chemical surface patterning. Individually addressable heating elements, which are embedded in the substrate, can be used to generate flow via thermocapillary effects or to trigger or quench chemical reactions. The open architecture allows the liquid to remain in constant contact with the ambient atmosphere. The device can be used for microfluidic applications or as a surface reactor or biosensor, among other applications.
Owner:CALIFORNIA INST OF TECH
Acoustic blood analyzer for assessing blood properties
InactiveUS20050015001A1Ultrasonic/sonic/infrasonic diagnosticsAnalysing fluids using sonic/ultrasonic/infrasonic wavesMedicinePlatelet
An acoustic blood analyzer with a transducer section of acoustic biosensors for measurement of blood properties including, but not limited to blood coagulation, platelet function and various blood disorders in a blood sample is provided. Methods for use of the blood analyzer in measurement of blood properties are also provided.
Owner:DREXEL UNIV
Apparatus and method for the automated measurement of sural nerve conduction velocity and amplitude
ActiveUS20120101358A1Simplify the test procedureThe result is accurateSensorsSpecial data processing applicationsVibration amplitudeElectricity
Apparatus comprising a housing; stimulation means mounted to the housing; a biosensor releasably mounted to the housing, the biosensor comprising a plurality of electrodes for detecting a sural nerve response evoked by the stimulation means; acquisition means mounted to the housing and electrically connected to the biosensor for acquiring the sural nerve response; processing means mounted to the housing and electrically connected to the acquisition means for digitizing, processing and storing the acquired sural nerve response; calculation means mounted to the housing and electrically connected to the processing means for calculating the conduction velocity and amplitude of the processed sural nerve response; and display means mounted to the housing for displaying the sural nerve conduction velocity and amplitude; wherein the stimulation means and the biosensor are designed to be placed on a patient's anatomy, in the vicinity of a sural nerve, by manipulating the housing.
Owner:NEUROMETRIX INC
Measuring device using biosensor and biosenor used for it, and dedicated standard liquid
InactiveUS6881322B2Easy to oxidizeImmobilised enzymesBioreactor/fermenter combinationsReaction layerMeasurement device
A reaction layer 12 which reacts with a substance to be measured in a sample solution is provided on a working electrode 1, a counter electrode 2, and a third electrode 3 which are provided on an insulating substrate 7 so as to bridge the respective electrodes, the content of the substance to be measured is measured from a current value which reaction is obtained between the working electrode 1 and the counter electrode 2, and the types of sample solution is judged by a difference between oxidation current values or between oxidation current waveforms, which are obtained between the third electrode 3 and the counter electrode 2 or between the third electrode 3 and the working electrode 1, thereby automatically judging the types of sample solution.
Owner:PHC HLDG CORP
System and method of microdispensing and arrays of biolayers provided by same
InactiveUS20020090738A1Bioreactor/fermenter combinationsBiological substance pretreatmentsReal time analysisClinical settings
Owner:ABBOTT POINT CARE
Image display system, image display device, image display method
InactiveUS20060217598A1Increase entertainmentSurgeryMedical automated diagnosisComputer scienceBio sensor
In an image display system that displays the condition of a person under measurement in a visible form, the person carries a PDA (10). The PDA (10) includes a bio-sensor (11) to detect bio-information on the person and an environmental information sensor (12) to acquire information on the environment around the person. The PDA (10) sends the acquired information to an image display device (20) which is connected to the PDA (10) via a network (100). The image display device (20) includes a CPU (29) that judges the condition of the person on the basis of bio-information and environmental information, generates an image representing the condition of the person and displays the image on a display unit (23).
Owner:SONY CORP
Lens and associatable flow cell
InactiveUS6108463AImprove abilitiesHigh degreeCoupling light guidesBiological testingCamera lensWaveguide
PCT No. PCT / US97 / 04398 Sec. 371 Date Sep. 18, 1998 Sec. 102(e) Date Sep. 18, 1998 PCT Filed Mar. 19, 1997 PCT Pub. No. WO97 / 35176 PCT Pub. Date Sep. 25, 1997Improvements in a biosensor of the type having reservoirs or wells for analyzing a biological liquid are disclosed. A biosensor (190) includes a waveguide (164) placed between a plurality of members such as plates (100, 186), at least one of the members (100) being formed to define the walls (132, 134, 136) of the reservoirs where the liquid is biologically analyzed. The walls of the reservoirs are made of an inert, opaque material such as a metal. Although the biosensor may include a gasket (162), the gasket is associated with the members and waveguide in such a way (e.g. by recessing the gasket into a channel formed into a metal plate) so that the gasket does not form any significant portion of the reservoir wall. Waveguides of varying composition (e.g. plastic, quartz or glass) may be associated with the members to form the biosensor. The metal plate of the biosensor has input and output ports for infusing, draining, or oscillating the liquid to be analyzed in the reaction reservoir. Also disclosed is a sled-shaped waveguide associated with a rear lens to couple light out of the waveguide to serve as a quality control measure thus insuring that the biosensor is properly placed and that the light is working.
Owner:UNIV OF UTAH RES FOUND
Biosensor
InactiveUS7087149B1Improve responseImprove batch productivityImmobilised enzymesBioreactor/fermenter combinationsMaterials sciencePlasma polymerization
Owner:KATAYANAGI INST
Joint-diagnostic spectroscopic and biosensor meter
ActiveUS20060228259A1Bioreactor/fermenter combinationsBiological substance pretreatmentsAnalytePositive pressure
Some embodiments of the invention provide a meter and a disposable cartridge for analyzing a fluid sample confined to the disposable cartridge. The fluid sample, particularly blood, is drawn into the cartridge by capillary action, negative pressure, positive pressure, or combination thereof. The cartridge has at least one flow path, which includes at least one optical chamber for spectroscopic measurement, and at least one biosensor for biosensor measurement. The meter has a sample slot for receiving the disposable cartridge. The cartridges have electrical output contacts, and the meter slot has electrical input contacts. When the output contacts mate with the input contacts, the optical chamber becomes positioned for spectroscopic measurement. Neither biosensors nor spectroscopy can be used alone to measure key analytes in blood for effective patient care. The present invention provides joint-diagnostic spectroscopic and biosensor measurements. Optionally, plasma can be extracted from whole blood, for measuring analytes that cannot be measured accurately in whole blood. The invention provides a wider panel of blood analytes using as little as a drop of blood, at the point of patient care.
Owner:CHROMEDX
Enzyme electrodes and method of manufacture
ActiveUS7250095B2Easy to adjustStabilise enzymeImmobilised enzymesBioreactor/fermenter combinationsEnzyme electrodeEnzyme
A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), the top layer comprising a buffer. A catalytically active quantity of an oxidoreductase enzyme is provided in at least one of the base layer and the top layer. The invention also provides a biosensor (20) which includes an enzyme electrode, and methods of manufacturing the enzyme electrode and biosensor.
Owner:ARKRAY INC
Biosensor and method of manufacture
InactiveUS20070017824A1Improve the immunityImmobilised enzymesBioreactor/fermenter combinationsElectrical connectionBiomedical engineering
A biosensor (12) includes a working electrode (5) and a counter electrode (3), wherein at least a part of the working electrode (5) is disposed between and in electrical connection with two separate conductive tracks (1,2). Other aspects of the invention provide a meter (26) for use with the biosensor (12) and a method of determining whether a fluid sample applied to the biosensor (12) has sufficiently wetted the working electrode (5).
Owner:ARKRAY FACTORY
Novel reagents for directed biomarker signal amplification
ActiveUS20110256549A1Component separationOrganic compound preparationChain structureCombinatorial chemistry
Described herein are methods, compositions and articles of manufacture involving neutral conjugated polymers including methods for synthesis of neutral conjugated water-soluble polymers with linkers along the polymer main chain structure and terminal end capping units. Such polymers may serve in the fabrication of novel optoelectronic devices and in the development of highly efficient biosensors. The invention further relates to the application of these polymers in assay methods.
Owner:SIRIGEN II LTD
Biosensor for monitoring an analyte content with a partial voltage generated therefrom
ActiveUS7347925B2Low costExtended use timeImmobilised enzymesBioreactor/fermenter combinationsElectrical resistance and conductanceAnalyte
A biosensor for monitoring an analyte content with a partial voltage generated therefrom is provided. The present biosensor includes a chip having a resistance Rs, a power source, and a microprocessor. The power source is used for supplying an applied voltage on the chip. The chip generates a time-dependent response current in response to a content of an analyte of a specimen applied thereon upon supplying the applied voltage on the chip. The microprocessor receives a time-dependent partial voltage caused from the chip due to the time-dependent response current, and determines the content of the analyte in accordance with the time-dependent partial voltage. The present biosensor is provided with fewer elements than a conventional one. A purpose of cost down is thus obtained.
Owner:INTELLECTUAL VENTURES I LLC
Conformationally flexible cationic conjugated polymers
ActiveUS20050059168A1Ability to controlSolve reductionFilm/foil adhesivesOrganic compound librariesWater solubleBackbone chain
Methods, compositions and articles of manufacture involving cationic conjugated conformationally flexible polymers are provided. A method for the synthesis of cationic water-soluble polymers with linkages along the polymer main chain structure which disrupt the ability of the polymers to form extended-rod structures is provided. Such polymers may serve in the fabrication of novel optoelectronic devices and in the development of highly efficient biosensors. The invention further relates to the application of these polymers in assay methods.
Owner:RGT UNIV OF CALIFORNIA
Nanoparticle tracer-based electrochemical DNA sensor for detection of pathogens-amplification by a universal nano-tracer (AUNT)
InactiveUS20110171749A1Rapid and sensitive detectionRapid and sensitive and valid identificationMaterial nanotechnologyNanomedicineSalmonella entericaEscherichia coli
The present invention relates to methods and compositions for identifying a pathogen. The inventions provide an antibody-based biosensor probe comprising (AUNT) in combination with a polymer-coated magnetic nanoparticle. In particular, a nanoparticle-based biosensor was developed for detection of Escherichia coli O157:H7 bacterium in food products. Further described are biosensors for detecting pathogens at low concentrations in samples. Even further, a gold nanoparticle-based electrochemical biosensor detection and amplification method for identifying the insertion element gene of Salmonella enterica Serovar Enteritidis is described. The present invention provides compositions and methods for providing a handheld potentiostat system for detecting pathogens outside of the laboratory. The AUNT biosensor system has applications detecting pathogens in food, water, beverages, clinical samples, and environmental samples.
Owner:BOARD OF TRUSTEES OPERATING MICHIGAN STATE UNIV
Biometric sensing and processing apparatus for mobile gaming, education, and wellness applications
ActiveUS20130183646A1Accurate assessmentDiagnostic recording/measuringSensorsMultiple sensorEngineering
An apparatus for interoperably utilizing multiple biosensor data obtained from a finger of the user. A biometric sensor board is retained in a housing adapted for retaining a finger of the user and maintaining multiple sensors in contact with the skin thereof. Implementations are described for fingertip and ring mounted sensor boards. In one implementation, these sensors can be sensors electrodermal response (EDR), or photoplethysmograph (PPG) signals, or temperature, or acceleration in three axes, and combinations thereof. The biometric sensor board registers and processes the signals from the sensors and communicates them to a mobile device which interoperably utilizes multiple sensor information to determine aspects of user emotional state within an application to generate results which are displayed on the mobile device.
Owner:SENSTREAM
High-safety portable payment receiving device
ActiveCN103956006ASecure Proximity Electronic PaymentsSecure paymentCash registersMicrocontrollerPayment
The invention discloses a high-safety portable payment receiving device which comprises a storage module, a payment information reading and setting module, a terminal user identity recognition module, a communication module, an input-output module and a microcontroller. The invention further discloses a high-safety portable payment receiving method for the device. The high-safety portable payment receiving method comprises the steps of setting, payment receiving and payment. When the device is worn, the method can also comprise the step of wearing verification. The device and the method perform user identity pre-setting through a biosensor and perform authentication and recognition through the biosensor when being used, a step of manually inputting passwords and other information to perform login authentication is omitted, multiple-step operation in the payment receiving process is also remarkably decreased, convenient, fast and safe adjacent electronic payment receiving is achieved, the safety, confidentiality and usability are greatly improved, and an application range of population is widened. In addition, the device can be a watch, a bracelet, a ring or other wearable styles, can also built in a wearable accessory and is convenient and fashionable.
Owner:JINLING INST OF TECH
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