1
Frank E Semersky, Barry Watson: Flow-through electrochemical system analytical method. Technicon Instruments Corporation, S P Tedesco, October 30, 1979: US04172770 (416 worldwide citation)

An electrochemical system using a flow-through electrode design employing a dual separation method to lower electrode poisoning due to large chemical species and interference current due to small electroactive species is disclosed. The system includes a fluid inlet to a reaction chamber and a fluid ...


2
Salvatore J Pace: Integrated array of electrochemical sensors. Technicon Instruments Corporation, S P Tedesco, September 30, 1980: US04225410 (408 worldwide citation)

A disposable integrated miniaturized array of chemical sensors for analyzing concurrently a number of analytes in a fluid sample is described. Each sensor is a complete electrochemical cell consisting of its own individual reference and indicator electrodes and is selective with respect to a particu ...


3
William J Smythe, Jack Isreeli, Milton H Pelavin: Method and apparatus for automated analysis of fluid samples. Technicon Instruments Corporation, S P Tedesco, March 3, 1981: US04253846 (105 worldwide citation)

A sample analyzing system features a number of discrete sample segments continuously conveyed along a conduit. Each sample segment receives a precise aliquot of one or more reagents on a selective basis, and in any particular sequence. Selective injection of the reagent into the moving stream of sam ...


4
Gordon C Forrest, Ronald F Jay, John A Clements: Automatic apparatus and method for the assay of fluid samples. Technicon Instruments Corporation, S P Tedesco, R S Salzman, February 27, 1979: US04141687 (97 worldwide citation)

Method and apparatus suitable for automatic assay of fluid samples, particularly immunoassays, in which a reaction product of the assay is bound to a magnetically attractable particle and separated from the reaction mixture by use of a magnetic trap. The method and apparatus are of especial use in r ...


5
Bruce J Oberhardt, Neil Wotherspoon: Electrochemiluminescent immunoassay and apparatus therefor. Technicon Instruments Corporation, S P Tedesco, July 28, 1981: US04280815 (79 worldwide citation)

A method and apparatus for performing a chemiluminescent immunoassay featuring electrochemical techniques to generate an oxidant used to trigger the chemiluminescence of the labelled immunoreactant. The generation of the oxidant is precisely controlled and the oxidant precisely and uniformly deliver ...


6
Harold E Sandrock, Morris W Leen, Edward W Stark: Cuvette and method of use. Technicon Instruments Corporation, S P Tedesco, S E Rockwell, November 30, 1976: US03994594 (75 worldwide citation)

A multichamber cuvette for maintaining in independent and separate condition at least two reactants until such time that it is desired to mix them for reaction with each other and a reactant liquid sample while in the cuvette for analysis in the cuvette, and a method of use of such cuvette. There is ...


7
Irwin Beretsky, Bernard Lichtenstein: Ultrasonic method and apparatus for imaging and characterization of bodies. Technicon Instruments Corporation, S P Tedesco, James J Romano Jr, December 20, 1977: US04063549 (63 worldwide citation)

Method and apparatus are provided for the determination of the Raylographic information of a body part which is ensonified by acoustical energy pulses by a particularly precisely focused acoustical focusing system to produce acoustical energy echo pulses which are detected in coherent manner. Fourie ...


8
Stephen Saros: Continuous flow metering apparatus. Technicon Instruments Corporation, S P Tedesco, May 14, 1985: US04517302 (60 worldwide citation)

Continuous flow metering apparatus and methods using liquid position sensors in conjunction with flow-stopping valves control (meter) fluid, e.g. sample/reagent/air, aspiration into a single conduit, such as in a continuous flow system. Air or other gas separates selected ones of the liquid segments ...


9
Kent M Negersmith: Short sample detection. Technicon Instruments Corporation, S P Tedesco, Robert S Salzman, December 19, 1978: US04130394 (58 worldwide citation)

A dilutor/dispenser system wherein a marker, e.g., an air bubble, is introduced at the probe inlet prior to each aspiration cycle, so as to be displaced along the probe system during such cycle. The location of the marker is detected at the end of the aspiration cycle, to indicate whether an appropr ...


10
Gordon C Forrest: Test-tube assembly for immunoassays utilizing magnetically attractable particles. Technicon Instruments Corporation, S P Tedesco, C J Herron, March 20, 1984: US04438068 (57 worldwide citation)

A test-tube assembly and method for carrying out immunoassays. The apparatus features two independent components, the first having a series of test-tubes fixed to a support and equidistantly dependent therefrom, and the second having a base including magnets permanently fixed therein, the two compon ...