1
James A Genovese, Charles S Harden, A Peter Snyder: Automated, on-demand ion mobility spectrometry analysis of gas chromatograph effluents. The United States of America represented by the Secretary of the Army, Edward L Stolarun, Ulysses John Biffoni, September 22, 1998: US05811059 (49 worldwide citation)

A chemical sampling apparatus including an interface between a miniature mobility spectrometer and a gas chromatography system. The apparatus has a gas chromatography an ion mobility spectrometer and an input for inputting a regulated flow of a gas to be analyzed to the gas chromatograph. An interfa ...


2
Waleed M Maswadeh, A Peter Snyder: Hand-held temperature programmable modular gas chromatograph. The United States of America represented by the Secretary of the Army, Edward L Stolarun, Ulysses John Biffoni, January 5, 1999: US05856616 (17 worldwide citation)

A hand-portable, modular and temperature programmable gas chromatography aratus having reduced power consumption requirements is disclosed. The gas chromatography module includes a ring oven for housing a gas chromatography capillary column and programmable means for controlling the temperature of s ...


3
Waleed M Maswadeh, A Peter Snyder: Ion interface for mass spectrometer. The United States of America represented by the Secretary of the Army, Ulysses John Biffoni, May 26, 1998: US05756995 (17 worldwide citation)

A heated capillary tube is axially supported in center of a housing under cuum. One end of the capillary tube receives ions from an ion source. The other end of the capillary tube terminates adjacent to the inner side of a flat plate having an orifice. A transport tube is connected to the outer side ...


4
A Peter Snyder, David B Greenberg, Pasquale V Scarpino: Viable microorganism detection by induced fluorescence. University of Cincinnati, Frost & Jacobs, February 18, 1992: US05089395 (13 worldwide citation)

The present invention concerns a spectrometric technique to determine microorganism detection and identification by taking advantage of the inherent extracellular enzymes present in living organisms, as opposed to dead, non-enzyme producing organisms. These enzymes are harnessed in the in vivo react ...


5
Waleed M Maswadeh, Dhirajlal G Parekh, A Peter Snyder, Ashish Tripathi: Biological classification system. The United States of America represented by the Secretary of the Army, Ulysses John Biffoni, January 6, 2004: US06672133 (3 worldwide citation)

A hand-held chemical vapor detector for detecting biological substances in an indoor and outdoor setting is claimed. More specifically, the present invention relates to a plasma chromatograph (PC) vapor detector that is interfaced to a biological sample processing and transfer introduction system. T ...


6
Waleed M Maswadeh, A Peter Snyder: Injection valves. The United States of America represented by the Secretary of the Army, Ulysess John Biffoni, January 11, 2005: US06840456

An injection valve is provided. A first conduit is disposed between first and second chambers of the valve. An entrance to the first conduit is located within the first chamber. A second conduit is concentrically disposed within the first conduit so that there is a first flow passage between the fir ...


7
A Peter Snyder, Maryalice Miller, David A Blyth: Chemical agent monitor for immunoassay detection. The United States of America represented by the Secretary of the Army, John Callaghan, July 2, 1996: USH0001563

A method and device for detecting bacteria by forming an immunoassay ladder sing a biological substance (Ag) adsorbed onto a surface, to which has been added an immunological biochemical ladder (Ab) and beta-galactosidase enzyme (gal) to form a Ag-Ab-gal system. The system is added to an aqueous sol ...



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