Young Robert R: Apparatus and method for automatic chemical analysis. Anatronics Corporation, October 14, 1975: US3912456 (68 worldwide citation)

Aspirator and dispenser arms are rotatably mounted on a center tube assembly above a main platform containing fluid specimens to be analyzed and the various receptacles in which the specimens are mixed with reagents and inspected. Means included in the aspirator and dispenser arms transport and mete ...

Ray A Woodriff, Daniel T Woodriff: Background correction in spectro-chemical analysis. Fitch Even Tabin & Luedeka, July 12, 1977: US04035083 (68 worldwide citation)

Various methods and apparatus are disclosed for providing a background corrected measure of the concentration of a sample element in absorption and emission spectro-chemical analysis using the principles of the Zeeman effect and certain other related effects using a magnetic field.

Roger W Giese, Samy Abdel Baky, Linxiao Xu: Release tag compounds producing ketone signal groups. Northeastern University, Weingarten Schurgin Gagnebin & Hayes, May 14, 1996: US05516931 (66 worldwide citation)

A release tag reagent suitable for use in the chemical analysis of a substance to be detected comprises signal, release, and reactivity groups. A class of release tag compounds that are cleaved to release as signal groups very stable electrophoric ketones which are sufficiently volatile for determin ...

Katsuaki Muraishi: Chemical analysis apparatus. Fuji Photo Film, Sughrue Mion Zinn Macpeak & Seas, April 7, 1992: US05102624 (65 worldwide citation)

A chemical analysis apparatus comprises an incubator provided with a plurality of chambers disposed on the same circumference for each housing a chemical analysis slide, a sample application device disposed above the incubator at a predetermined position on the circuumference, and a probe disposed b ...

Colin Corrigan, Lawrence Haley: Explosive detection screening system. Research Corporation Technologies, Scully Scott Murphy & Presser, September 13, 1994: US05345809 (64 worldwide citation)

An explosive detection screening system used for the detection of explosives and other controlled substances such as drugs or narcotics. The screening system detects the vapor and/or particulate emissions from the aforementioned substances and reports that they are present on an individual or object ...

Roger W Giese: Method of chemical analysis employing molecular release tag compounds. Weingarten Schurgin Gagnebin & Hayes, March 17, 1987: US04650750 (64 worldwide citation)

A method of chemical analysis is disclosed which employs a release tag compound of general formula

J Michael Ramsey: Apparatus and method for performing microfluidic manipulations for chemical analysis. UT Battelle, Dann Dorfman Herrell and Skillman P C, January 29, 2002: US06342142 (64 worldwide citation)

A microchip apparatus and method provide fluidic manipulations for a variety of applications, including sample injection for microchip liquid chromatography. The microchip is fabricated using standard photolitographic procedures and chemical wet etching, with the substrate and cover plate joined usi ...

Nicolas Sarrut, Hubert Jeanson: Microfluidic method and device for transferring mass between two immiscible phases. Commissariat A l Energie Atomique, Oblon Spivak McClelland Maier & Neustadt L, August 7, 2012: US08236156 (63 worldwide citation)

A method of transferring mass of at least one solute between a liquid first phase and a fluid second phase that is immiscible with the first phase, the method comprising moving at least one droplet of said liquid first phase in a microfluidic device by using electric-type forces (electrowetting or d ...

Alfredo Choperena, Ross Krogh, Venkatesh Prasad, Gershon Giter: Device for automatic chemical analysis. Pasteur Sanofi Diagnostics, Fredrikson & Byron PA, November 19, 1996: US05575976 (62 worldwide citation)

This invention provides an automated chemical analyzer with improved processing flexibility and ease. In one embodiment of this invention, the analyzer includes an incubation station, a wash station and a read station. The incubation station includes an elongated, movable track to carry reaction ves ...

Roger W Giese: Molecular analytical release tags and their use in chemical analysis. Northeastern University, Weingarten Schurgin Gagnebin & Hayes, November 1, 1994: US05360819 (62 worldwide citation)

A release tag reagent suitable for use in the chemical analysis of a substance to be detected, which substance contains reactive groups, such as for, but not limited to gas phase detection groups, which reagent comprises three covalently bonded groups: a signal group which on release provides a keto ...