Spectrometer
An object of the present invention is to provide a spectrometer which can measure the wavelength of a radiation emitted from a light source for producing a line spectrum in a limited wavelength range,... Read More
Inventors: Harada, Tatsuo; Kurosaki, Toshiei; Kita, Toshiaki; Terasawa, Tsuneo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Fuel dispensing nozzle with automatic shut-off valve
It is therefore an object of the present invention to provide an automatic shut-off fuel dispensing nozzle which can securely release the fore end portion of a trigger from a rack portion of a slide r... Read More
Inventors: Tamra, Shigenori;, Assignee: |
Test for glucosylated hemoglobin and other glucosylated proteins
What is claimed is: 1. A method for identification and assay of glucosylated blood proteins which comprises the steps of isolating purified glucosylated blood protein, treating said isolated protein w... Read More
Inventors: Manning, James M.; Acharya, Seetharama A.;, Assignee: Rockefeller University (New York, NY) |
Immunoassay for nonenzymatically glucosylated proteins and protein fragments an index of glycemia
The present invention provides an immunoassay method for determining nonenzymatically glucosylated proteins and protein fragments in a biological fluid based on the use of anti(Amadori-rearranged gluc... Read More
Inventors: Dean, Kenneth J.;, Assignee: Miles Laboratories, Inc. (Elkhart, IN) |
Method for process control
The present invention overcomes the problems and disadvantages of the prior art by providing a method for controlling a process affected by weak acid or weak base components of one or more liquid stre... Read More
Inventors: Baughman, Ernest H.; Coughlin, Barbara R.;, Assignee: Amoco Corporation (Chicago, IL) |
Method of fabricating capillary electrophoresis separation channels
We claim: 1. The method of forming a capillary component for use in an electrophoresis instrument which comprises: providing a template strand having external profile dimensions and shape correspondin... Read More
Inventors: Ogan, Kenneth; Everaerts, Frans M.; Verheggen, Theo P. E. M.;, Assignee: The Perkin-Elmer Corporation (Norwalk, CT) |
Thermal technique for bulk fluid movement in capillary electrophoresis
Capillary electrophoresis is a technique of considerable interest in the analysis of biological mixtures, particularly mixtures of small peptides proteins and nucleic acids, since it can be used on ex... Read More
Inventors: Hjerten, Stellan;, Assignee: Bio-Rad Laboratories, Inc. (Hercules, CA) |
Apparatus for capillary electrophoresis
The present invention resides in various aspects of a readily assembled apparatus which addresses the difficulties delineated above. A capillary tube cartridge is provided which promotes stabilization... Read More
Inventors: Burd, Samuel;, Assignee: Bio-Rad Laboratories, Inc. (Hercules, CA) |
Method and apparatus for effecting capillary sample injection into electrophoresis apparatus
The present invention provides a method and apparatus for introducing a sample from a Porous layer into the entrance end of a capillary tube of a capillary separation process. An electrode structure i... Read More
Inventors: Carson, William W.; Cheng, Yung-Fong;, Assignee: Millipore Corporation (Bedford, MA) |
Hydrophilic polymer coating of high pH stability for silica surfaces for suppression of electroendomosis and solute adsorption
It has now been discovered that hydrophilic polymers can be coupled to the surface of a silica-containing capillary in such a manner that the hydrophilicity of the polymer is retained despite the coup... Read More
Inventors: Hjerten, Stellan;, Assignee: Bio-Rad Laboratories, Inc. (Hercules, CA) |
Poly(N-Acylalkylenimine) electrophoresis support media
In accordance with the present invention, electrophoresis support media are provided which overcome many of the above-mentioned problems associated with existing support media. The electrophoresis sup... Read More
Inventors: Zewert, Thomas; Harrington, Michael G.;, Assignee: California Institute of Technology (Pasadena, CA) |
Gas chromatograph device
We claim: 1. An improved gas chromatograph apparatus comprised of a pressure resistant gas chromatograph column, the column having an inlet opening at a first end and an outlet opening at a second end... Read More
Inventors: Hirschfeld, T.; Brown, David C.A.G.;, Assignee: Block Engineering Inc. (Cambridge, MA) |
Analytical method and apparatus
OF THE INVENTION The invention method and apparatus can be understood by reference to FIG. 1, which shows in schematic form the process according to a preferred embodiment of the invention. A liquid ... Read More
Inventors: Holba, Albert G.; Doe, Susanne B.; Hughes, William B.;, Assignee: Phillips Petroleum Company (Bartlesville, OK) |
Automated preparative gas chromatograph
A gas chromatographic system has conduits and valves adapted for analysis and collection of low volatility effluent. An injection site is provided for alternately supplying liquid solvent for removing... Read More
Inventors: Maroulis, Peter J.; Clark, Patrick J.; Morris, Victoria J.; Byerley, Robert A.; Booker, John;, Assignee: Air Products and Chemicals, Inc. (Allentown, PA) |
Method of measuring specific surface area
The object of this invention is to provide a method which will make possible a fast removal of the impregnating agent from the specimen of the impregnated examined substance and a more uniform impregn... Read More
Inventors: Barbic, Lenart; Godina, Magda;, Assignee: Salonit Anhovo, industrija gradbenega materiala, n.sol.o (Anhovo, YU) |
Electrochemical gas sensor
We claim: 1. An electrochemical gas sensor comprising an insulating substrate an active and counter electrodes mutually spaced and disposed on the same surface of said insulating substrate, said activ... Read More
Inventors: Kusanagi, Shigekazu; Fujioka, Toru; Yasuda, Ayumu; Yamaga, Noriyuki; Watabe, Yoshifumi; Doi, Kenji; Kakite, Keiji; Aizawa, Koichi; Kanagawa, Hitoshi;, Assignee: Matsushita Electric Works, Ltd. (Osaka, JP) |
Interferometer optical system
What is claimed is: 1. An interferometer optical system for measuring the positions of first and second space subject mirrors comprising, a source of coherent radiation directed along an initial path,... Read More
Inventors: Ludman, Jacques E.;, Assignee: |
Method of making and amperometric electrodes
OF THE PREFERRED EMBODIMENT Referring now to FIGS. 1 and 2, there is shown a sensor card 10 including a plurality of amperometric electrodes 12 of the present invention. Amperometric electrodes 12 in... Read More
Inventors: Johnson, Larry D.; Murray, Alison J.; Musho, Matthew K.;, Assignee: Miles Inc. (Elkhart, IN) |
Method for producing antibodies which catalyze chemical reactions
OF THE INVENTION As indicated above, the present invention provides methods for increasing the rate of a chemical reaction involving conversion of at least one reactant to at least one product. In th... Read More
Inventors: Schochetman, Gerald; Massey, Richard J.;, Assignee: Igen, Inc. (Rockville, MD) |
Forming a vertical PNP transistor
Briefly stated, the present invention includes forming a transistor utilizing an isolated well within a thin epitaxial layer. A base mask that has a base opening is applied to expose a portion of the ... Read More
Inventors: Monk, David J.; Reuss, Robert H.; Ford, Jenny M.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for detecting vehicle occupants under the influence of alcohol
We claim: 1. A non-intrusive method of detecting the sobriety of a person in a vehicle, comprising: generating and transmitting a beam of electromagnetic energy through an interior compartment of a ve... Read More
Inventors: Azzazy, Medhat T.; Dabiri, Ali;, Assignee: Science Applications International Corporation (San Diego, CA) |
Assay for total and direct billirubin
In spite of these and numerous other variants, the test methods for determining direct and total bilirubin as previously described in the literature still do not satisfy all the necessary requirements... Read More
Inventors: Wu, Yih-Shiong; Bohannon, Jeanne; White, Yolanda; Simmons, Mark J.;, Assignee: Boehringer Mannheim Corporation (Indianapolis, IN) |
Method for measuring bilirubin
This invention was made in consideration of such conditions and is intended to provide a method for measuring billrubin which can be applied to an automatic analyzer, is in good correlation with the d... Read More
Inventors: Tokuda, Kuniaki; Tanimoto, Kazuhito;, Assignee: Wako Pure Chemical Industries, Ltd. (Osaka, JP) |
Method for the analysis of materials by chromatography and mass spectrometry
The invention provides a method for the analysis of a mixture by chromatographing the mixture on a gas chromatography column and passing the output from the column via an open-split interface into a m... Read More
Inventors: Andresen, Brian D.; Ng, Kwokei J.;, Assignee: The Ohio State University (Columbus, OH) |
Apparatus for the determination of silicon in molten metal
What is claimed is: 1. An apparatus for the electro-chemical determination of silicon dissolved in a molten metal which comprises in combination: A. a silicon sensor comprising: (i) a layer of a solid... Read More
Inventors: Nakamura, Hajime; Iwase, Masanori; Ichise, Eiji; Moriya, Takaharu; Maruhashi, Shigeaki;, Assignee: Nisshin Steel Co., Ltd. (Tokyo, JP) |
Dihydrodipicolinate reductase crystals and three dimensional structure
This invention is directed to dihydrodipicolinate reductase crystals and to methods of growing said crystals. This invention is further directed to the three dimensional structure of dihydrodipicolina... Read More
Inventors: Sacchettini, James; Blanchard, John;, Assignee: Albert Einstein College of Medicine of Yeshiva University, a Division of (Bronx, NY) |
Pteridine nucletide analogs as fluorescent DNA probes
What is claimed is: 1. An oligonucleotide comprising one or more nucleotide monomers which are pteridine derivatives having the formula shown below, with ring vertices 1 through 8 as shown: ##STR25## ... Read More
Inventors: Hawkins, Mary E.; Pfleiderer, Wolfgang; Davis, Michael D.; Balis, Frank;, Assignee: The United States of America as represented by the Department of Health (Washington, DC) |
Cathode assembly for cathodic sputtering apparatus
The present invention provides a target that is readily mounted to a backing plate structure without need of solder, brazing, or clamps and the like, with the backing plate or target having a concave ... Read More
Inventors: Fan, Jia S.;, Assignee: Tosoh SMD, Inc. (Grove City, OH) |
Test device for determining the presence of leukocyte cells, esterase or protease in a test sample
OF THE PREFERRED EMBODIMENTS In accordance with the method of the present invention, the assay of urine for leukocyte cells, esterase, protease or HLE is accomplished by utilizing a reagent compositi... Read More
Inventors: Johnson, Gary M.; Schaeper, Robert J.;, Assignee: Bayer Corporation (Elkhart, IN) |
Torso-mounted signal device
Having described my invention what is claimed is: 1. An electronic portable torso mounted signal device for directing vehicular traffic comprising: A plurality of translucent lenses attached to a boar... Read More
Inventors: Wendelken, Jr., Martin E.;, Assignee: |
Control Computers 
