Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
11/2000
11/16/2000WO2000068758A2 An automated stationary/portable test system for dielectrics
11/16/2000WO2000068679A1 High frequency measuring circuit with inherent noise reduction for resonating chemical sensors
11/16/2000WO2000068677A1 Gel electrophoresis
11/16/2000WO2000068676A1 Electrochemical toxic component sensor
11/16/2000WO2000068668A1 Method and device for fluorescence measurement
11/16/2000WO2000068419A2 Apparatus and process for monitoring and detecting small molecule-biomolecule interactions
11/16/2000WO2000067907A2 Sample evaporative control
11/16/2000WO2000046869A3 Method and device for quantitatively determining alcohols by means of fuel cells
11/16/2000WO2000043764A3 Sensor for analyzing gases
11/16/2000WO2000039570A3 Sensor for detecting small concentrations of a target matter
11/16/2000WO2000039325A3 Affinity sensor for detecting specific molecular binding events and use thereof
11/16/2000WO2000020879A9 Imaging using spatial frequency filtering and masking
11/16/2000DE19949976C1 In-situ end-point detection process, for chemical-mechanical polishing of semiconductor wafer layers, uses an ion-selective electrode to monitor ion concentration changes in a polishing slurry and reagent solution mixture
11/16/2000DE19921640A1 Rain sensor for activation of electric motors etc. for blinds, windows etc. has two sensors providing a means for compensating for moisture content in the air so that only actual rain activates the electric motors
11/16/2000DE19921079A1 Verfahren zur Bestimmung des Salzgehaltes von Flüssigkeiten und Vorrichtung zur Verfahrensdurchführung A method for the determination of salinity of fluids and apparatus for process implementation
11/16/2000DE19917433A1 Mikroreaktorsystem zum Erzeugen und Testen von Substanzen und Wirkstoffen Micro-reactor system for producing and testing substances and active ingredients
11/16/2000DE19914628A1 Poröse Elektrodenstruktur für einen Gassensor und Sensoranordnung Porous electrode structure for a gas sensor and sensor arrangement
11/16/2000DE10019465A1 Control system for the heater for a fuel to air ratio sensor for use in a direct injection, external ignition engine operating in either ultra-lean or pre-mix charge burn mode to ensure the heater supply current is correct
11/16/2000CA2337007A1 Sample evaporative control
11/15/2000EP1052680A1 Pulse mode electron generator
11/15/2000EP1052672A1 Time-of-flight mass spectrometer ion source for gas sample analysis
11/15/2000EP1052668A1 Operating at high pressure of a field-emission type cold cathode
11/15/2000EP1052505A1 Methode of analysing the surface of an object comprising at least one electrically conductive layer
11/15/2000EP1052504A2 Multi-capillary electrophoretic apparatus
11/15/2000EP1052503A2 Gassensor with a diffusion limiting layer
11/15/2000EP1052502A2 Noncontact article temperature measuring device for food
11/15/2000EP1052501A1 A combustible gas diode sensor
11/15/2000EP1051733A1 Method of and apparatus for selective collision-induced dissociation of ions in a quadrupole ion guide
11/15/2000EP1051731A1 Method of analyzing ions in an apparatus including a time of flight mass spectrometer and a linear ion trap
11/15/2000EP1051627A2 Multi-analyte reference solutions with stable po2
11/15/2000EP1051621A1 Method for analyzing a test sample by means of an electro-chemoluminescence bond reaction test
11/15/2000EP1051612A1 Rotary confocal scanner for detection of capillary arrays
11/15/2000EP1051611A1 Capillary electrophoresis array
11/15/2000EP1051610A1 Dropping mercury electrode with mercury purification and recycling by means of contact with oxygenated water
11/15/2000EP1051517A2 Amplification of nucleic acids with electronic detection
11/15/2000EP1051390A1 Compounds for molecular separations
11/15/2000EP0964640A4 Method and apparatus for detecting a magnetically responsive substance
11/15/2000EP0830354B1 Chemical complexes
11/15/2000CN2406249Y Water-content rate sensor for electronic step-by-step oil-tank vehicle
11/14/2000US6148156 Developer detection apparatus and an image forming apparatus
11/14/2000US6147488 Measurement method of time dependent magnetic remanence in a recording medium
11/14/2000US6147346 Mass spectrometer
11/14/2000US6147344 Method for identifying compounds in a chemical mixture
11/14/2000US6147198 Methods and compositions for the manipulation and characterization of individual nucleic acid molecules
11/14/2000US6146514 Voltammetry of electrolyte solution containing 3,5-di-tert-butyl-1,2-benzoquinone or 2,6-dimethyl-1,4-benzoquinone
11/14/2000US6146511 Electrophoretic nucleic acid purification method
11/14/2000US6146510 Sensor cartridge for a fluid analyte analyzer
11/14/2000US6145374 Scanning force microscope with high-frequency cantilever
11/14/2000US6145372 Apparatus and method for detecting impurities in wet chemicals
11/14/2000US6145371 Gas sensor
11/09/2000WO2000067012A1 Methods and compositions for improving the loading of analytical instruments
11/09/2000WO2000067011A1 Apparatus for voltammetric analysis
11/09/2000WO2000067010A1 pH PROBE
11/09/2000WO2000067009A1 Mixed buffers in gel electrophoresis systems
11/09/2000WO2000067008A1 Method for determining the salt content of liquids and device for carrying out said method
11/09/2000WO2000066995A2 Device for rapid dna sample processing with integrated liquid handling, thermocycling, and purification
11/09/2000WO2000066792A1 Analysis of differential protein expression
11/09/2000WO2000066771A2 Diagnostic sequencing by a combination of specific cleavage and mass spectrometry
11/09/2000WO2000066766A1 Optical probes and assays
11/09/2000WO2000066266A1 Sensor for microfluid handling system
11/09/2000WO2000029848A9 Separation, screening, and identification of biological targets
11/09/2000WO2000026653A9 Dew point sensor using mems
11/09/2000DE19911753C1 Water quality parameter determination device for water circulating in heat generating or distributing installations comprises bypass pipe containing flow sensors and components for cleaning and conditioning them
11/09/2000CA2370111A1 Optical probes and assays
11/09/2000CA2369363A1 Device for rapid dna sample processing with integrated liquid handling, thermocycling, and purification
11/09/2000CA2368247A1 Probes for a gas phase ion spectrometer
11/08/2000EP1050756A2 Device for measuring the thermal conductivity of a fluid
11/08/2000EP1050065A1 Mass spectrometry from surfaces
11/08/2000EP1049923A1 Detector having a transmission grating beam splitter for multi-wavelength sample analysis
11/08/2000EP1049804A1 Sample buffer and methods for high resolution gel electrophoresis of denatured nucleic acids
11/08/2000CN2405222Y High temp. high voltage electricity stable instrument
11/08/2000CN2405221Y Intelligent type device for detecting combustible gas
11/08/2000CN2405220Y Electrode probe of spark instrument
11/08/2000CN1272626A Two-loop intelligent pH value measuring and controlling device and its measuring and controlling method
11/07/2000US6144871 Current detecting sensor and method of fabricating the same
11/07/2000US6144869 Monitoring of physiological analytes
11/07/2000US6144211 Cross-channel probe system for time domain reflectometry detection of fluid flow
11/07/2000US6144208 Method and apparatus to identify asbestos and aramid
11/07/2000US6144029 Method for trace detection by solvent-assisted introduction of substances into an ion mobility spectrometer
11/07/2000US6144023 Electrode support comprising at least one electrode covered by a deposit and system for reading this support
11/07/2000US6143853 Method for separation and synthetic polymers that can be used as separation media in the method
11/07/2000US6143529 Screening human for cancer; isolating sample of bodily fluid and comparing nucleotide sequence lengths with healthy human, test sample with greater number of sequence above two hundred nucleotide sequences is indicator of cancer
11/07/2000US6143248 For controlling fluid flow from microreservoirs into transfer channels using capillary valving mechanisms for use in apparatus useful for performing microanalytic and microsynthetic analyses and procedures
11/07/2000US6143246 Apparatus for measuring ammonia in biochemical processes
11/07/2000US6143165 Pair of electrodes in contact with an ion conductive solid electrolyte, first electrode is composed of oxides of group 6b metals; detecting electromotive force caused by a nitrogen oxide(nox) concentration difference between the electrodes
11/07/2000US6143164 Collecting a sample of body fluid of about 500 nl or less; filling a measurement zone of an electrochemical sensor with the sample; holding; and determining analyte concentration using a coulometric technique; measuring blood glucose
11/07/2000US6143154 Electrophoresis polyacrylamide gel saturated with a buffer comprising an organic amine of pka near neutrality such as bis tris buffer and specified anions; and an antioxidant that migrates into the gel, to maintain proteins in reduced state
11/07/2000US6143153 DNA sequencing
11/07/2000US6143152 Microfabricated capillary array electrophoresis device and method
11/07/2000US6143151 DNA sequencing
11/07/2000US6143150 Bicarbonate buffer solution held by a first gas permeable membrane which detects carbon dioxide partial pressure based on hydrogen ion concentration of the solution; and part containing a metal that reacts with hydrogen sulfide
11/07/2000US6142025 Method for determining particle characteristics
11/07/2000CA2119577C Battery with electrochemical tester
11/07/2000CA2051099C Fault detection in electrochemical gas sensing equipment
11/05/2000CA2271179A1 Process for monitoring and detecting small molecule - biomolecule interactions
11/02/2000WO2000065660A2 A FIELD EFFECT TRANSISTOR OF SiC FOR HIGH TEMPERATURE APPLICATION, USE OF SUCH A TRANSISTOR AND A METHOD FOR PRODUCTION THEREOF
11/02/2000WO2000065354A1 Mass spectrometry-based technologies for continuous flow bioassays using known ligands
11/02/2000WO2000065353A1 Identification of ligands for orphan receptors using mass spectrometry
11/02/2000WO2000065343A1 Measurement of fluid concentrations
11/02/2000WO2000065337A1 Method and apparatus for reducing sample dispersion in turns and junctions of microchannel systems
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