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Class 436/172 - With fluorescence or luminescence


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Processes wherein the material to be analyzed is excited
No. of patents: 2267
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8183052Methods and apparatus for sterility testing
Methods and apparatus for testing the sterility of a product to be administered to a patient. The sterility of the product is tested by monitoring the pH change of a culture medium in contact with any culturable organisms (e.g., bacteria) that are collected by filtr...
05/22/2012
8178295Analyte evaluation apparatus
This analyte evaluation apparatus has an analyte space for holding a liquid containing an analyte, a working electrode, a counter electrode and a reference electrode, and the potential of the working electrode is altered with respect to the potential of the referenc...
05/15/2012
8158438Method for the determination of the concentration of a non-volatile analyte
The invention relates to a method for the determination of the concentration of a non-volatile analyte in an aqueous sample medium, with the use of an optical sensor which contains a luminescent dye and is calibrated at the user site by means of a single-point-calib...
04/17/2012
8119415X-ray fluorescence method for a composition analysis of a sample containing at least two elements
Process of placing a sample of known concentrations of known elements in a spectrometer; measuring the intensity II, I2 . . . In of the different elements included in the sample, by relating known concentrations C1, C2 . . . Cn for the elements included in the sampl...
02/21/2012
8114679Optical biosensing platform utilizing nanocrystalline zinc oxide
An optical biosensing platform for the real-time detection of the occurrence of a binding event, the optical biosensing platform comprising a nanocrystalline zinc oxide (nano-ZnO) substrate having a surface and being capable of emitting photoluminescence and a surfa...
02/14/2012
8110404Luminescent lanthanide binding chelates
Lanthanide chelates derived from diazacrown ethers having two ethyliminodiacetic acid side chains have increased ability to bind lanthanide ions. ...
02/07/2012
8110405Fluorescent nanoscopy method
An analysis of an object dyed with fluorescent coloring agents carried out with the aid of a fluorescent microscope which is modified for improved resolving power and called a nanoscope. The method is carried out with a microscope having an optical system for visual...
02/07/2012
8101426System and method for the measurement of multiple fluorescence emissions in a flow cytometry system
A system and method for the measurement of multiple fluorescence emissions in a flow cytometry system is disclosed where each excitation light source is modulated with a different frequency. A single detector is used to collect the fluorescent emissions excited by a...
01/24/2012
8043862Sample cup for use with x-ray spectroscopy with internal overflow reservoir
A sample cup for retaining a sample material to be subjected to an x-ray spectrochemical analysis. The sample cup comprises a cell body of a cylindrical configuration having an open top end and an open bottom end and defining a hollow between the two open ends, the ...
10/25/2011
8021891Methods and compositions for protein detection using nanoparticle-fluorescent polymer complexes
Compositions, methods and related apparatus, as can be used for selective protein detection and identification. ...
09/20/2011
8003403Optochemical sensors for the detection of low pressure vapors based on porous semiconductors and emissive organics
A chemical sensor for detecting organic or inorganic target vapors and comprising a silicon member having a silicon surface with semiconductor pores therein, at least one luminescent sensory material entrapped in the semiconductor pores. The luminescent spectral mat...
08/23/2011
8003404Methods and compositions for pathogen detection using nanoparticle-fluorescent polymer complexes
Compositions, methods and related apparatus, as can be used for selective pathogen detection and identification. ...
08/23/2011
7998749Assays of molecular or subcellular interactivity using depolarization after resonance transfer energy (DARET)
The present invention provides a method of determining the proximity, or changes in the proximity of two or more molecular features labeled with fluorophores able to undergo DARET. In preferred embodiments the change in proximity of molecular features in a sample is...
08/16/2011
7955859Fluorescent labeling compound
A rare-earth fluorescent complex which forms a fluorescent complex with two or more rare-earth metals such as europium and terbium and can effectively be excited at a wavelength of 340 nm or longer; a fluorescent labeling agent comprising the rare-earth fluorescent ...
06/07/2011
7955860Method of detecting residual detergent and device for detecting residual detergent
It is intended to provide a method whereby residual detergent (surfactant) can be conveniently and accurately detected in the step of washing or rinsing dishes or clothes, and a test device usable in examining the rinsed conditions. Namely, a method characterized by...
06/07/2011
7955861Luminescent diketonate polymers
The present invention provides in one aspect polymeric luminescent dye compounds having fluorescent properties, phosphorescent properties, or both fluorescent and phosphorescent properties. ...
06/07/2011
7923261Method for determining a carbon source of a product
This invention is directed to a method for determining a source of carbon feed used in manufacturing product produced from the carbon feed. The invention further provides a method for tracking products, particularly MTO products, derived from a particular carbon fee...
04/12/2011
7919328Fluorescent ion doped glass and method for using the fluorescent ion doped glass to enhance fluorescence imaging techniques
A fluorescent ion doped glass (or other fluorescing material) and a method for using the fluorescent ion doped glass to enhance a fluorescence imaging technique are described herein. In one embodiment, the fluorescent ion doped glass (or other fluorescing material) ...
04/05/2011
7910376Method for detecting trace explosives using photoluminescence
A method for detecting trace explosives which includes obtaining a sample believed to contain explosives residue and contacting the sample and a carrier container containing the sample with a reagent. The sample and the carrier is illuminated by an appropriate laser...
03/22/2011
7897407Multicolored particles
A set of polymer particles stained with at least two fluorescent dyes is presented. At least 16 subsets of particles can be resolved on the basis of variable emission from the at least two fluorescent dyes where emission from at least one dye derives from a fluoresc...
03/01/2011
7897408Method for producing CdS-apoferritin and ZnS-apoferritin complexes
First, an ammonium acetate solution and an acetate solution of a metal such as Cd or Zn are mixed, so as to form an ammonium complex of the metal. Next, an apoferritin solution, listeria apoferritin (listeria Dps) or their recombinant and thioacetic ac...
03/01/2011
7892851Porous hybrid organic-inorganic materials for the detection of halogens
The present invention relates to compounds which can go to make up mesostructured porous hybrid organic-inorganic materials (MPHOIMs) and can serve, within these materials, as probe molecules for the detection or quantitative determination of halogenated gaseous com...
02/22/2011
7892850Apparatus and method for measuring immature platelets
An apparatus for measuring immature platelets is described that includes (a) a sample preparation unit for preparing an assay sample by adding a reagent to a blood specimen; (b) a detection unit having a semiconductor laser light source for irradiating the assay sam...
02/22/2011
7883901Biogenic substance detector and biogenic substance detection method
A biogenic substance detector with high reaction efficiency and detection sensitivity is obtained. The biogenic substance detector includes: a plurality of chambers 1011 for hybridizing a target and a probe; and a passage 1012 provided between t...
02/08/2011
7883900Enhancement of sensitivity of fluorophore mediated biosensing and bioimaging
A method of enhancing fluorescence emission in a fluorophore-mediated sensing, biosensing, imaging, and bioimaging. An example of biosensing is a fluorophore-mediated sandwich immunoassay with a 1° monoclonal antibody against a target analyte and a fluorophore-link...
02/08/2011
7858386Method of controlling quantum dot photoluminescence and other intrinsic properties through biological specificity
A method of controllably changing an intrinsic property of a quantum dot by using a biological entity, either attached or in close proximity to the quantum dot, and changing the state of biological entity with a controllable mechanism. The change in state of the bio...
12/28/2010
7858385Method for detecting binding events using micro-X-ray fluorescence spectrometry
Method for detecting binding events using micro-X-ray fluorescence spectrometry. Receptors are exposed to at least one potential binder and arrayed on a substrate support. Each member of the array is exposed to X-ray radiation. The magnitude of a detectable X-ray fl...
12/28/2010
7842512Dyed microspheres for characterization of photochemical reactor behavior
A method for photochemical reactor characterization includes an application of using dyed microspheres exposed to UV irradiation under a collimated-beam system. Particle specific fluorescence intensity measurements are conducted using samples form the collimated bea...
11/30/2010
7838302Sub-diffraction limit image resolution and other imaging techniques
The present invention generally relates to sub-diffraction limit image resolution. In one aspect, the invention is directed to determining and/or imaging light from two or more entities separated by a distance less than the diffraction limit of the incident light. I...
11/23/2010
7829345Remote detection of peroxide compounds via laser induced fluorescence
A method for detection of a peroxide-based compound includes directing ultraviolet light from an ultraviolet light source toward a location remote from the ultraviolet light source, where the ultraviolet light induces photodissociation of a peroxide-based compound l...
11/09/2010
7816147Biosensor comprising plant cells capable of exhibiting a state change measurable optically
The illustrated embodiment comprises a biosensor utilizing plant cells and nutrient media for maintaining the plant cells in a live condition. A light source having desired optical characteristics is directed onto the plant cells and light spectra transmitted from t...
10/19/2010
7803634Fluorescent nanoscopy method
An analysis of an object dyed with fluorescent coloring agents carried out with the aid of a fluorescent microscope which is modified for improved resolving power and called a nanoscope. The method is carried out with a microscope having an optical system for visual...
09/28/2010
7795035Determination of carbon nanotube concentration in a solution by fluorescence measurement
According to some embodiments, a method, a system, and an apparatus to determine a concentration of carbon nanotubes in a solution. In some embodiments, the method includes determining a photoluminescence intensity of a solution, mixing a sample of carbon nanotubes ...
09/14/2010
7785896Methods for determining organic biocide concentration in a composite wood product
A composite wood product and methods for manufacturing the same and determining the concentration and distribution of an organic biocide within a composite wood product are provided. The organic biocide may be added to wood elements (i.e., fibers, flakes, strands, v...
08/31/2010
7781223Molecular-wire type fluorescent chiral sensor
A fluorescent molecular wire is provided, having a fluorescent polymer main chain to which an optically active substituent is linked so as to be conjugatable form, the optically active substituent being represented by formula (I) below:
08/24/2010
7781224Safe biodegradable fluorescent particles
A human-safe fluorescence particle that can be used for fluorescence detection instruments or act as a safe simulant for mimicking the fluorescence properties of microorganisms. The particle comprises a non-biological carrier and natural fluorophores encapsulated in...
08/24/2010
7776612Method of quantifying antigen expression
The present invention is directed to a novel method for quantifying antigen, such as the amount expressed on a cell. The method comprises formulating an equation of correlation between the amount expressed of expressed antigen and the intensity of fluorescence from ...
08/17/2010
7776614Test method for determining compounds capable of quenching electronic singlet state excitation of photoactive compounds
A method of testing a compound for its capability of quenching singlet excited state energy from a photon-excited photoactive compound, thereby photostabilizing said photoactive compound, comprising mixing: (1) a composition comprising a photoactive compound in a so...
08/17/2010
7776613Sub-diffraction image resolution and other imaging techniques
The present invention generally relates to sub-diffraction image resolution and other imaging techniques. In one aspect, the invention is directed to determining and/or imaging light from two or more entities separated by a distance less than the diffraction limit o...
08/17/2010
7772009Room temperature phosphorescence apparatus and methods
A method for monitoring a chemical component in an industrial water system comprises irradiating a liquid sample from an industrial water system, containing at least one chemical component to be monitored, with light from an excitation light source. Room temperature...
08/10/2010
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