1
G Richard Cathcart, Thomas Brennan Marquez, John A Bridgham, George S Golda, Harry A Guiremand, Marianne Hane, Louis B Hoff, Eric Lachenmeier, Melvyn N Kronick, Douglas H Keith, Paul E Mayrand, Michael L Metzker, William J Mordan, Lincoln J McBride, John Shigeura, Chen Hanson Ting, Norman M Whiteley: Automated molecular biology laboratory. Perkin Elmer Applied Biosystems Division, Donald R Boys, Joseph H Smith, August 22, 1995: US05443791 (318 worldwide citation)

A liquid-handling instrument has a worksurface with registration for modular stations to support containers of liquid, pipette apparatus with a pipette tip coupled to a sensing circuit, a robotic translation system for moving the pipette tip, and a control system with an iconic user interface for pr ...


2
Howard North Jr, Kenneth F Uffenheimer: Control of flow cytometer having vacuum fluidics. Becton Dickinson and Company, Allen W Wark, March 7, 1995: US05395588 (154 worldwide citation)

The present invention relates to a system for controlling the movement or transport of objects such as cells and other particles in a moving liquid stream. More particularly the invention relates to a system including a vacuum pump which pulls the sheath fluid from an open supply reservoir through a ...


3
Koichi Wakatake: Automatic immunity analysis apparatus with magnetic particle separation. Kabushiki Kaisha Nittec, Mitsui Pharmaceuticals, Lowe Price LeBlanc & Becker, February 2, 1993: US05183638 (125 worldwide citation)

An immunity analysis apparatus for use with magnetic particles in which a sample is transferred to a reaction vessel and the reaction vessel is conveyed past several devices for adding and agitating a magnetic particle solution, adding a stroma solution, absorbing the particles to an inner wall of t ...


4
Kenneth Francis Buechler: Devices comprising multiple capillarity inducing surfaces. Biosite Diagnostics, September 5, 2000: US06113855 (84 worldwide citation)

Assay device structures for a device where fluid flows from a one region to another. The device structures have one or more capillarity-inducing structures; where the capillarity-inducing structure induces capillary force along an axis that is essentially perpendicular to the axis along which capill ...


5
Gary E Hewett: Multi-analyte assay device. Cholestech Corporation, Peter J Dehlinger, Carol A Stratford, May 5, 1992: US05110724 (55 worldwide citation)

An assay device for assaying multiple analytes in a drop-size blood sample. The device includes a sample dispenser designed to distribute a small-volume blood sample to multiple transfer sites, by capillary flow of the blood sample through sieving and distributing matrices which separate blood cells ...


6
Richard G Sweet, Wayne A Moore, Tom Nozaki Jr, Richard T Stovel: Method and means for delivering liquid samples to a sample scanning device. Leland Stanford Junior University, Donovan J DeWitt, January 4, 1983: US04367043 (54 worldwide citation)

Method and apparatus for semi-automatic feeding of liquid samples from a plurality of sample sources to a scanning device are disclosed. The liquid samples are picked up from a preidentified sample source and delivered to the scanning device by use of a hand-held pick-up and delivery tube. The hand- ...


7
Gary E Hewett: Controlled-volume assay apparatus. Cholestech Corporation, Peter J Dehlinger, Carol A Stratford, May 19, 1992: US05114350 (45 worldwide citation)

Method and apparatus for use in determining the concentration of a selected analyte in a body-fluid sample. As the fluid sample is applied to a wettable, absorbent reaction pad, the extent of sample wetting of the pad is monitored by surface reflectance. This surface monitoring is used to control th ...


8
Carlos D Elkins: Device and method for the chemical testing and microscopic examination of liquid specimens. Edgar W Averill Jr, December 29, 1981: US04308028 (42 worldwide citation)

A device for facilitating the microscopic and/or spectrophotometric viewing of liquid specimens. The device is an elongated strip having a chamber at one end. The chamber is formed by two generally parallel transparent flat sheets. The device is held by a supporting disc or plug which has a slot or ...


9
Jean Guigan: Miniature laboratory for performing biological analyses by chemical reaction on a sample of blood. Sughrue Mion Zinn Macpeak & Seas, December 31, 1991: US05077013 (40 worldwide citation)

A miniature laboratory (1) for performing biological analyses comprises a block (2) supporting two concentric turntables (3 and 4). The top turntable (3) carries preparation cartridges (6) each intended to receive a blood sample and to deliver a calibrated quantity of plasma therefrom. The bottom tu ...


10
John C Mazza: Diluent carryover control. Baxter Travenol Laboratories, Marjorie D Hunter, Susan Fentress, Paul C Flattery, October 3, 1989: US04871682 (35 worldwide citation)

An air knife is positioned to direct a stream or blast of air across the tip of a sample probe as it is withdrawn from a cuvette containing a reagent, diluent, and patient sample solution. After the probe is flushed with diluent, the air knife drives any droplets of diluent fluid off the probe tip i ...