Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
08/1997
08/26/1997US5661300 Charged particle mirror
08/26/1997US5661227 Moisture sensor for microwave clothes dryer
08/26/1997US5661028 Miniaturized substrate having etched microchannels partially filled with gel and covered with clear plate; concurrent dna sequencing
08/26/1997US5660741 Forming reference electrode and gold pad on portion of glass substrate, anisotropically etching silicon substrate to form electrolyte injecting groove and hole, forming glass sensing film thereon, bonding glass and silicon substrates together
08/26/1997US5660703 Apparatus for capillary electrophoresis having an auxiliary electroosmotic pump
08/26/1997US5660702 Contains diffusion restricting compound that causes medium to become colored or opaque
08/26/1997US5660701 Protein separations by capillary electrophoresis using amino acid-containing buffers
08/26/1997US5660661 Exhaust gases from internal combustion engines
08/26/1997CA2063855C Precision and accuracy of anion-exchange separation of nucleic acids
08/21/1997WO1997030347A1 Capillary chromatography detector apparatus
08/21/1997WO1997030346A1 Creation and use of multiple gradients in electrophoresis in gel slabs and in capillaries
08/21/1997WO1997030345A1 Sensor
08/21/1997WO1997023650A3 Method for evaluation of polymorphic genetic sequences, and the use thereof in identification of hla types
08/21/1997DE19705528A1 Monitoring hermetically sealed package containing food or fluid for pin holes
08/21/1997DE19623517C1 MOS transistors for biotechnical applications
08/21/1997DE19621198C1 Defect detection device for vehicle tyres
08/21/1997DE19605290A1 Meßfühler Probe
08/21/1997CA2198049A1 Method of manufacturing nitrogen oxide sensor, and nitrogen oxide sensor manufactured by the method and material therefor
08/20/1997EP0790498A1 Electrochemical sensors with improved selectivity and increased sensitivity
08/20/1997EP0790496A1 Liquid sample cell for an optical measurement apparatus
08/20/1997EP0790481A1 Non-tilting plate actuator for use in a micropositioning device
08/20/1997EP0790480A1 Tilting positioner for a micropositioning device
08/20/1997EP0790299A2 Device and methods for detecting microorganisms
08/20/1997EP0789841A1 Apparatus for preparing gels for use in electrophoretic separations and similar applications
08/20/1997EP0789840A1 Current/voltage transformer for the detection of the electron current in a scanning tunnelling-electron microscope
08/20/1997EP0789671A1 The combinatorial synthesis of novel materials
08/20/1997EP0789540A1 Analyte-controlled liquid delivery device and analyte monitor
08/20/1997EP0749350A4 Improvements to electrospray and atmospheric pressure chemical ionization sources
08/20/1997EP0744023B1 Real-time scanning fluorescence electrophoresis apparatus for the analysis of polynucleotide fragments
08/20/1997CN2260327Y Multi-functional microcomputer controlled step voltmeter
08/20/1997CN1157412A Tin dioxide gas (hydrogen sensing type) sensing element and preparing method thereof
08/20/1997CN1035689C Constant speed filter-type fly ash specific resistance tester
08/19/1997US5659251 Electromagnetic inductive probe
08/19/1997US5659248 Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning
08/19/1997US5659127 Substrate structure of monolithic gas sensor
08/19/1997US5658451 Method for calibration of a pH measuring element
08/19/1997US5658446 Preparative capillary electrophoresis with wide-bore capillary
08/19/1997US5658445 Combination of lambda probes
08/19/1997US5658444 Electrochemical sensors
08/19/1997US5658413 Miniaturized planar columns in novel support media for liquid phase analysis
08/19/1997CA2057619C Cantilever probe and apparatus using the same
08/19/1997CA2018697C Explosive detection screening system
08/14/1997WO1997029385A1 Microscopic imaging of properties of room-temperature objects
08/14/1997WO1997029366A1 Enzyme detection biosensors
08/14/1997WO1997029365A1 Humidity sensor
08/14/1997WO1997029364A1 Sensor with glass seal
08/14/1997DE19604922A1 Physical or chemical structural analysis using quantum Hall effect for determination
08/14/1997CA2245664A1 Enzyme detection biosensors
08/13/1997EP0789239A1 Olfactory sensor identification system and method
08/13/1997EP0788599A1 Automatic fault detection installation for crack testing
08/13/1997EP0788598A1 Installation for checking a suspension of fluorescing material
08/13/1997EP0788597A1 Chemical sensor with diffusion barrier
08/13/1997EP0788557A1 Rapid detection and identification of nucleic acid variants and pathogens
08/13/1997EP0734523B1 Determination of extraneous water in milk samples, or the freezing point depression of milk samples
08/13/1997EP0632880B1 Micromechanical sensor
08/13/1997CN2259627Y Thin-layer electro-chemical cell for producing processing micro electrolytic sample
08/13/1997CN1156825A Two-dimensional sensor using LAPS for measuring cell activity
08/13/1997CN1156818A Thin film transistor biochemical sensor
08/12/1997US5656940 Apparatus for measuring the surface resistance and electrical resistivity of a homogeneous resistive material at high temperature
08/12/1997US5656939 Apparatus for measuring hardness of ultraviolet curing transformation agent comprising stain and method for the same
08/12/1997US5656933 Solder paste and residue measurement system
08/12/1997US5656928 Surrounding state measuring apparatus utilizing an impedance element
08/12/1997US5656827 Device for sensing the proximity of a target chemical
08/12/1997US5656809 Atomic force microscope and measuring head thereof with linearly polarized reflected light
08/12/1997US5656767 Automatic determination of moisture content and lubricant type
08/12/1997US5656429 Polynucleotide and protein analysis method using magnetizable moieties
08/12/1997US5656190 Controller for a heater for an air-fuel ratio sensor and a method thereof
08/12/1997US5656145 Needle guide for loading samples into a vertical slab gel
08/12/1997US5656143 Sensors for the analysis of molten metals
08/12/1997US5656142 Thick film electrochemical device having insulating substrate and electrodes, and continuous moisture-absorbing electrolyte gel layer having enzyme-immobilized layer
08/07/1997WO1997028556A1 Apparatus for forming liquid droplets having a mechanically fixed inner microtube
08/07/1997WO1997028490A1 Covered microchannels and the microfabrication thereof
08/07/1997WO1997028444A1 Corona discharge ion source for analytical instruments
08/07/1997WO1997028443A1 Multiple capillary biochemical analyzer with barrier member
08/07/1997WO1997028442A1 Sealing device for gas sensor
08/07/1997WO1997028441A1 Detection of gases
08/07/1997WO1997027933A1 Fractionation using dielectrophoresis and field flow fractionation
08/07/1997DE19703662A1 Measuring oxygen concentration in automobile exhaust gas
08/07/1997DE19703636A1 Automotive exhaust sensor has cup-shaped solid electrolyte
08/07/1997DE19620053C1 Non-destructive testing of nitrided surface of conductive workpiece
08/07/1997DE19610599A1 Feuchtesensor Humidity sensor
08/07/1997DE19603396A1 Electrochemical Sensor with two sensor elements, one detecting oxidising gases and other reducing gases
08/07/1997DE19603395A1 Dual sensor for detecting oxidising and reducing harmful gases near motor vehicles
08/07/1997DE19603379A1 Gassensor Gas sensor
08/07/1997DE19602335A1 Verfahren zum Schutz von Nukleinsäuren gegen eine Schädigung durch den Einfluß von UV-Licht A method of protecting against damage nucleic acids by the influence of UV light
08/06/1997EP0787984A1 Electrochemical sensor without calibration
08/06/1997EP0787295A1 A method and instrument for measuring differential oxygen concentration between two flowing gas streams
08/06/1997EP0787293A1 Non-destructive materials testing device and process
08/06/1997EP0787292A1 Method and arrangement in a gel electrophoresis apparatus
08/06/1997EP0787291A1 Solid-state chemical sensor
08/06/1997EP0787290A1 Analyte-selective sensor
08/06/1997EP0787261A1 Micro-miniature piezoelectric diaphragm pump for the low pressure pumping of gases
08/06/1997EP0787029A1 Method and apparatus for diffusive transfer between immiscible fluids
08/06/1997EP0627077B1 Sensor for the determination of gas components and/or gas concentrations of gas mixtures
08/06/1997EP0592659B1 Sample resistivity measurement cell
08/06/1997EP0578742B1 Sensors based on nano-structured composite films
08/05/1997US5654643 Dielectric sensor apparatus
08/05/1997US5654543 Mass spectrometer and related method
08/05/1997US5654511 Rail axial-force measuring method and an axial-force measurable rail
08/05/1997US5654161 Complexing prostate specific antigen and antichymotrypsin