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Class 436/35 - USING ACTIVATED SPECIE


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Processes or composition where an unknown specie is determined
No. of patents: 38
Last issue date: 07/22/2008


NumberTitleIssue Date
7402299Intracorporeal medicaments for photodynamic treatment of disease
New intracorporeal photodynamic medicaments and certain medical uses and methods for use of such photodynamic medicaments for treatment of disease in human or animal tissue are described, wherein a primary active component of such medicaments is a halogenated xanthe...
07/22/2008
7384623High energy phototherapeutic agents
High energy phototherapeutic agents or radiosensitizer agents comprised of a halogenated xanthene, or other related agents that exhibit a preference for concentration in biologically sensitive structures in diseased tissue, and methods of treating and imaging using ...
06/10/2008
7354553Method and apparatus for detecting the presence of elemental mercury in a gas sample
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an emission gas sample, via fluorescence of the mercury within the gas sa...
04/08/2008
7201879Aerosol into liquid collector for depositing particles from a large volume of gas into a small volume of liquid
An aerosol-into-liquid collector (ALC) for collecting gas-borne particles from a large volume of gas such as air into a small volume of liquid is described. The ALC uses a linear quadrupole to concentrate particles flowing in a gas and to help direct these concentra...
04/10/2007
7201878Aerosol particle analyzer for measuring an analyte in airborne particles
Aerosol particle analyzer (APA) for measuring an analyte in airborne particle is described. Airborne particles are first given an electrical charge and then drawn in air past an oppositely charged volume of an analysis liquid that exposed to the air at a small hole ...
04/10/2007
7193705Method for determining atomic isotope masses
A method for determining atomic isotope masses in mass spectrometry, atomic isotope ratios being determined from molecular isotope ratios measured by means of an isotope mass spectrometer—ion correction, the determination of the atomic ratios being carried out by ...
03/20/2007
7153475Aerosol particle analyzer for measuring the amount of analyte in airborne particles
Aerosol particle analyzer (APA) for measuring the amount of analyte in airborne particle is described. The APA uses an analysis liquid. In most embodiments, this analysis liquid is chosen so that when it is mixed with the particles, an optical property of the analys...
12/26/2006
7125518Aerosol particle analyzer for measuring the amount of analyte in airborne particles
Aerosol particle analyzer (APA) for measuring the amount of analyte in airborne particle is described. The APA uses an analysis liquid. When this analysis liquid is mixed with the particles, an optical property of the analysis liquid (CDAL) varies according to the a...
10/24/2006
7112450Method for performing multiple chemical reactions and a kit and system therefor
The present invention relates to conducting a plurality of chemical reactions in a system including an apparatus which provides energy for the chemical reactions, such as chemical reactions in organic synthesis, where a particular advantage is the use of predetermin...
09/26/2006
7060447Protein localization assays for toxicity and antidotes thereto
Intracellular translocation of proteins, particularly protein kinase C (PKC) isoenzymes, provides a surrogate test system for determining toxicity of candidate compounds. The profile of translocation with respect to at least one and preferably two or more signal tra...
06/13/2006
6937379Molecular architecture for molecular electro-optical transistor and switch
Observable changes in electrical and optical characteristics of individual molecules adsorbed on a conductor or semi-conductor caused by electrical and/or optical excitation or de-excitation of electrons within such molecules can be used as signals which in turn can...
08/30/2005
6673554Protein localization assays for toxicity and antidotes thereto
Intracellular translocation of proteins, particularly protein kinase C (PKC) isoenzymes, provides a surrogate test system for determining toxicity of candidate compounds. The profile of translocation with respect to at least one and preferably two or more...
01/06/2004
6531320Method of monitoring redox of blood plasma using ESR and method of estimating progress of dialysis
A method of judging the redox (oxidation-reduction) in human blood plasma precisely in a short time using electron spin resonance (ESR) spectroscopy is provided. Also, a method of evaluating the functions of human kidneys, judging whether a dialysis is ne...
03/11/2003
6100093Method and system for determining the quality of a crop
The invention relates to a method for determining the quality of a crop, comprising the determination of at least one characteristic parameter of the photosynthesis process of the crop, which parameter serves as a quality indicator for the crop, wherein t...
08/08/2000
5892364Trace constituent detection in inert gases
A method and apparatus for the detection of trace constituents in inert gases. Three modes of operation of the said invention are most preferred. In the first embodiment, a dielectric barrier discharge cell receives an inert gas, excites the gas, and the ...
04/06/1999
5783445Methods and apparatus for isotopic analysis
The isotopic composition of a multiatomic isotope-bearing species such as CO2 in an analyte is measured by maintaining the analyte in a condition such that isotope-bearing species are present in an excited state and directing light at wavelengt...
07/21/1998
5618682Bioluminescence measurement system
The present invention provides a method of increasing the duration of detectable photon emission of a luciferase-luciferin reaction. The method provides a luciferase-luciferin reaction in which photon emission can be detected for up to and including eight...
04/08/1997
5441890Dynamical destabilization of systems characterized by kinetically coupled components using a differential flow
A method of destabilizing the homogeneous steady state of a dynamical system with two or more dynamically coupled variables through the action of a differential bulk flow of the key species, termed Differential Flow Induced Instability (DIFII), is disclos...
08/15/1995
5332677Dynamical destabilization of system characterized by activation/inhibition kinetics using a differential flow
A new method of inducing spatiotemporal structures in systems characterized by activation/inhibition kinetics through the action of a differential bulk flow of the key species is disclosed. As Turing predicted, a homogeneous and otherwise stable steady st...
07/26/1994
5242805Long wavelength lipophilic fluorogenic glycosidase substrates
The claimed invention relates to a substrate for evaluating glycosidic enzymes comprising a resorufin derivative of the general formula: ##STR1## wherein Gly is a carbohydrate bonded to resorufin by a glycosidic linkage; where at least one of substit...
09/07/1993
5231006Method for the determination of plasminogen
A method for the determination of plasminogen in body fluids in the presence of streptokinase using a substrate for plasmin, the action of plasmin on which results in a cleavage product which can be measured optically, which method comprises essentially s...
07/27/1993
5198336Bioassay for chemicals which generate prooxidant states
A bioassay making use of submitochondrial particles to test for the presence of toxic substances which induce prooxidant states in vivo. The assay uses complex I of the electron transport enzymes on the submitochondrial particles which are capable of dona...
03/30/1993
4952513Assays for qualitative and quantitative detection of organic and inorganic analytes of diverse chemical classes via the selective formation and growth of light scattering crystals
The present invention provides a general assay methodology suitable for the detection of organic analytes which are neither aldehydes nor ketones and for inorganic substances. The methodology utilizes prepared sensitized films of derivatizing agents and s...
08/28/1990
4828800System for trace gas detection
A system for the detection of trace components in a gas by a process involving the ionization of such trace components and intermittently adding to the gas, a reactant gas which converts some of the components to more readily ionizable forms....
05/09/1989
4780284Gas chromatography
Apparatus for detecting gas in a sample gas in a carrier gas stream and including a windowless ionization detector having a pulsed power supply which is switchable at a rate which provides a pulse period shorter that the transit time of ions to be detecte...
10/25/1988
4637938Methods of using selective optical excitation in deposition processes and the detection of new compositions
The present invention generally relates to the use of fluorescence signals obtained by selective optical excitation to detect and monitor a species present during a flow reaction or decomposition of various reactants. These reactions were analyzed in situ...
01/20/1987
4515896Fluorescent additives for the determination of condensed and vapor phases in multiphase systems
A method for determining the spatial and phase distribution of a liquid-vapor multiphase fluid. The method comprises adding a fluorescent monomer and a quencher to the fluid to be studied. The fluid is then dispersed and the monomer excited. The excited m...
05/07/1985
4427633Gas mixing apparatus for metastable transfer emission spectroscopy
For use in a system for analyzing sample constituents by metastable transfer emission spectroscopy, an improved apparatus for mixing a sample gas with a metastable gas. The apparatus provides an unobstructed path for the flow of sample gas so as to minimi...
01/24/1984
4420255Adiabatic burner for premixed gases
A research type burner is provided which permits ready optical access for study of precombustion and primary reaction zones of adiabatic flames of premixed gases. The burner includes a channel for relatively laminar gas flow having an outlet with a pair o...
12/13/1983
4309187Metastable energy transfer for analytical luminescence
A method and apparatus for analysis of atomic species which comprises directly forming metastable energy level nitrogen by processing a stream of nitrogen containing gas through a dielectric field wherein essentially no excited species above the 6th vibra...
01/05/1982
4293379Neutron activation analysis method and apparatus for determining sodium and sodium compounds in liquid samples
Sodium is determined, virtually without known interferences, based on neutron activation of liquid sample to produce radioactive 23 Ne activation product from 23 Na, sparging of the sample whereby a headspace gas mixture comprising
10/06/1981
4255052Method of generating nitrogen for flameless emission spectroscopy
In a system for analyzing the elemental or molecular composition of a sample where the sample components are excited through collision with an active metastable gaseous species, the excited sample components emitting a characteristic wavelength of light w...
03/10/1981
4150951Measurement of concentrations of gaseous phase elements
A method and apparatus for the quantitative and qualitative analysis of the elemental composition of materials in concentrations as low as a few atoms, or molecules, per cubic centimeter. When introduced into a gas stream containing an excess of an energe...
04/24/1979
4148612Method and apparatus for detecting and measuring trace impurities in flowing gases
Trace impurities in flowing gases may be detected and measured by a dynamic atomic molecular emission spectrograph utilizing as its energy source the energy transfer reactions of metastable species, atomic or molecular, with the impurities in the flowing ...
04/10/1979
4139348Electrochemical process and apparatus to control the chemical state of a material
Process and apparatus to control the chemical state of a material. Bulk control of the chemical state of such material which permits maintenance of chemicals including enzymes by both restoration and stabilization. Optical and electrical power sources act...
02/13/1979
4049383Method of detecting gaseous contaminants
A method for the detection and quantitative analysis of certain selected constituent parts of a gas stream. A gas stream containing the selected constituent is introduced into a reaction zone and contacted with metastable mercury (63 Po
09/20/1977
4017404Apparatus for low temperature ashing using radio frequency excited gas plasma
An apparatus for low temperature ashing of specimens is provided. The specimens to be ashed are first freeze dried and then reduced to an ash by a radio frequency (RF) excited gas plasma in a device which includes a reaction chamber, means to reduce the p...
04/12/1977
 
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