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US20140287521 Measuring Device for Tubular Bag Packaging Machines  
The invention relates to a measuring device, more particularly for a tubular bag packaging machine 1, to determine the concentration of at least one gas within a package 2 to be sealed, wherein it...
US20120202194 SUBSTANCE DETERMINING APPARATUS  
The invention relates to a substance determining apparatus for determining a substance within a fluid. Particles, which have attached the substance, are bound to a binding surface (30). A sensing...
US20090081799 ANALYTE EVALUATION DEVICE AND ANALYTE EVALUATION METHOD  
An analyte evaluation device includes: a light irradiator for inducing fluorescence emission from an analyte; a carrier for positioning the analyte; and a fluorescence detector for receiving the...
US20100099077 STABLE ACRIDINIUM ESTERS WITH FAST LIGHT EMISSION  
Chemiluminescent acridinium esters are provided which are fast light emitting and hydrolytically stable. The chemiluminescent acridinium esters are useful labels in assays for detecting or...
US20090208989 Fluorescence Spectropscopy In Absorbing Media  
The invention relates to processes and devices for detecting an analyte in a sample by fluorescence measurement.
US20050109944 Colorimetric determination of anthrax bacillus using a modified Fujiwara reaction  
The invention allows for nearly real-time analysis of the anthrax bacillus in atmospheres based on the presence of pyridine-2,6-dipicolinic acid in the spores of the bacillus. The spores are...
US20110070664 Integrated Microfluidic Device for Serum Biomarker Quantitation using Either Standard Addition or a Calibration Curve  
Apparatus and method for determining concentration of one or more target compounds in a sample solution containing one or more nontarget compounds that uses an affinity column to immobilize the...
US20110230453 Use of Female Mammal's Urine for Determination of Fetal Gender Related Characteristics  
The present invention provides a method for determining the gender of a fetus by assaying the sex hormones, evaluating the overall reducing/oxidizing (redox) activity, and/or evaluating the...
US20150168302 DENSITY ANALYSIS OF LIVING ORGANISMS BY MAGNETIC LEVITATION  
A system and method enabling a portable electronic device to perform fluorescent measurements are provided. The system can comprise a case that houses one or more Light Emitting Diodes and an...
US20090136931 Novel fluorescent 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...
US20110053284 CHEMICAL FUNCTIONALIZATION OF SOLID-STATE NANOPORES AND NANOPORE ARRAYS AND APPLICATIONS THEREOF  
Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof. Nanopores are extremely sensitive single-molecule sensors. Recently, electron beams have been used...
US20110275161 METHOD OF DETECTING NERVE AGENTS USING NOVEL ASSAY AGENTS  
The teachings provided herein are directed to compounds and methods for detecting nerve agents using rhodamine-derived detection compounds. A rhodamine-derived detection compound for nerve agents...
US20050244983 Method for measuring antioxidant status  
A method of measuring antioxidant status and/or the capacity to moderate oxidative stress in a sample including the step of contacting the sample with at least a fluorescing porphyrin compound and...
US20120028366 FLOW CYTOMETER AND FLUIDIC LINE ASSEMBLY WITH MULTIPLE INJECTION NEEDLES  
A flow cytometer is provided which includes an interrogation flow cell and a plurality of assay fluidic lines extending into the interrogation flow cell. A method of operating such a flow...
US20090215643 Highly Visible Chromosome-Specific Probes and Related Methods  
Disclosed are chromosome-specific synthetic oligonucleotides and labeled probe compositions, as well as related methods for preparing and using such compositions. Also disclosed are kits for...
US20130157288 IMMOBILISED-BEAD IMMUNOMULTIPLEX ASSAY  
Embodiments of this invention include image-based systems and methods for detection of one or more analytes. A surface has identifiable analyte-specific capture particle(s) immobilised thereto at...
US20130330731 Illumination of Integrated Analytical Systems  
An analytical device including an optically opaque cladding, a sequencing layer including a substrate disposed below the cladding, and a waveguide assembly for receiving optical illumination and...
US20080138841 Monitoring System For Sensing Microorganisms  
A monitoring system comprising a sensing means operable to sense a prescribed microorganism in a prescribed environment and a human interfacing means, wherein the sensing means comprises means for...
US20090068639 System and method of quantitatively determining a biomolecule, system and method of detecting and separating a cell by flow cytometry, and fluorescent silica particles for use in the same, and kit comprising plural kinds of the silica particles in combination  
A system of quantitatively determining a biomolecule, which has: allowing fluorescent silica particles capable of emitting fluorescence detectable by a flow cytometer to capture a target...
US20100151577 QUANTUM DOT-BASED ENVIRONMENTAL INDICATORS  
A detection method and indicator are disclosed that includes quantum dots that fluoresce under illumination of a first light having a first wavelength to indicate the presence of a predetermined...
US20080286758 REAGENTS AND KITS FOR DETECTION OF INFLUENZA VIRUS AND THE LIKE  
The present invention relates to reagents and methods for influenza virus detection. These reagents and methods disclosed in the present invention enable simple, rapid, specific and sensitive...
US20100015725 LUMINESCENT 1-HYDROXY-2-PYRIDINONE CHELATES OF LANTHANIDES  
The present invention provides luminescent complexes between a lanthanide ion and an organic ligand which contains 1,2-hydroxypyridinone units. The complexes of the invention are stable in aqueous...
US20100280268 HOMOGENEOUS TIME RESOLVED FLUORESCENCE BASED TEST SYSTEM  
The present invention concerns a fluorescence resonance energy transfer based high throughput test system to measure the formation of the HIV gp41 six-helix bundle. In a first embodiment the...
US20120178172 FLUORESCENT POLYMERS OF 7-HYDROXYCOUMARIN COMPOUNDS, CHEMICAL SENSORS COMPRISING THEM, AND POLYMERIZABLE FLUORESCENT COMPOUND OF 7-HYDROXYCOUMARIN  
Polymers and copolymers of polymerizable fluorescent compounds of 7-hydroxycoumarin such as Ethyl-2-methacrylate Umbelliferone-4-acetate are provided. In addition, a sensor comprising this polymer...
US20120214253 MACROCYCLIC HOPO CHELATORS  
The present invention provides a novel class of macrocyclic compounds as well as complexes formed between a metal (e.g., lanthanide) ion and the compounds of the invention. Preferred complexes...
US20080241071 Quantum Dot Probes  
Novel nanoparticulate compositions of luminescent probes, as well as methods of using such compositions and systems comprising such compositions are provided. One such composition comprises at...
US20090317299 Light based fuel sulfur sensor and system  
An ultraviolet sensor arrangement detects the amount of sulfur in a fuel of an internal combustion engine by emitting an ultraviolet light field in the presence of the fuel. A detector is disposed...
US20140206568 CHEMILUMINESCENCE COMPACT IMAGING SCANNER  
Systems, devices, and methods for accurately imaging chemiluminescence and other luminescence are disclosed. A compact, flat-bed scanner having a light-tight enclosure, one or more detector bars...
US20080193956 Nanostructure Enhanced Luminescence  
The present invention relates to nanostructures for use in luminescent assays as well as methods for the production of nano-sized tube and rods, including arrays of nanotubes and nanorods from a...
US20120015446 Chemiluminescent Compositions, Enhancing Reagents for Chemiluminescence and Methods for the Preparation and Use Thereof  
A enhancing reagent for enhancing chemiluminescence of 1,2-dioxetane compounds and a method for using the enhancing reagent to enhance the chemiluminescence are provided, in which the enhancing...
US20080305047 Chemosensors Based on Quantum Dots and Oxazine Compounds  
We identified a mechanism to detect chemical changes with a modified semiconductor nanoparticle (e.g., an oxazine-adsorbed CdSe—ZnS core-shell quantum dot). Our strategy is based on the chemical...
US20110117025 DEVICE AND METHOD FOR FLUORESCENCE-BASED IMAGING AND MONITORING  
A device for fluorescence-based imaging and monitoring of a target comprising: a light source emitting light for illuminating the target, the emitted light including at least one wavelength or...
US20130011871 STERILIZABLE CHEMISTRY FOR TEST ELEMENTS  
In one non-limiting aspect, sterilizable reagent materials for diagnostic elements are provided. In other aspects, sterilized diagnostic elements and techniques for the production of the same are...
US20130078730 METHOD FOR MONITORING AND CONTROL OF A WASTEWATER PROCESS STREAM  
The invention is directed towards methods, compositions, and apparatus for accurately detecting the presence and amounts of contaminants in wastewater. The method comprises the steps of adding to...
US20080160521 BENZIMIDAZOLIUM DYES AND THEIR USE AS FLUORESCENT CHEMOSENSORS  
The present invention is directed toward benzimidazolium dye compounds of formula (I) as follows: wherein, n is an integer from 2-10,m is an integer from 2-10,X1 and X2 are independently a...
US20130309777 SURROGATE ADDITION DEVICE AND A METHOD OF ANALYTE CONCENTRATION  
A surrogate addition device is described that adds a surrogate compound at a uniform transport rate to a flowing sample stream. The surrogate addition device includes a surrogate reservoir, a flow...
US20080299598 Detector Comprising a Membrane Perturbation - Detecting Polymer and Functional Membrane Fragments  
A construct comprising functional membrane fragments and one or more perturbation-detecting polymers associated therewith, wherein said construct responds to perturbations of said membrane...
US20070087445 Arrangements and methods for facilitating photoluminescence imaging  
Exemplary systems and methods for obtaining a photoluminescence radiation from at least one portion of a sample can be provided. For example, using the exemplary embodiment, it is possible to...
US20100003695 MICROWAVE TRIGGER METAL-ENHANCED CHEMILUMINESCENCE (MT MEC) AND SPATIAL AND TEMPORAL CONTROL OF SAME  
The present invention relates to a method of imaging structures and features using plasmonic emissions from metallic surfaces caused by chemiluminescence based chemical and biological reactions...
US20140248646 IMIDAZO[1,5-a]PYRIDINIUM ION FLUOROPHORES, AND METHODS OF MAKING AND USING THE SAME  
A fluorophore and methods of detecting cations and hydrophobic environments using the fluorophore are disclosed. The fluorophore includes an imidazo[1,5-a]pyridinium ion core and has the formula...
US20130108552 NEAR-IR INDOCYANINE GREEN DOPED MULTIMODAL SILICA NANOPARTICLES AND METHODS FOR MAKING THE SAME  
The subject invention provides novel fluorescent core-shell nanoparticles comprising an encapsulated fluorescent core comprising an ionically bound fluorescent dye and a metal oxide shell. In one...
US20080299675 Luminescent Lanthanide Binding Chelates  
Lanthanide chelates derived from diazacrown ethers having two ethyliminodiacetic acid side chains have increased ability to bind lanthanide ions.
US20120052513 GOLD SUB-NANOCLUSTERS AND USES THEREOF  
The present technology relates gold sub-nanoclusters comprising a gold core and one or more thiolates bound to the gold core, wherein the gold core consists essentially of 23 gold atoms. Methods...
US20110189787 SPECTROMETER AND METHOD OF OPERATING A SPECTROMETER  
A photoluminescence spectrometer (100) is provided comprising; (i) a source of electromagnetic radiation (2) for exciting photoluminescence in a sample (16); (ii) a site (1) for location of the...
US20080299674 Novel Isonitrile Compound, Its Method Of Manufacture, A Marine Fouling Organism Larva Fluorescent, And A Method Of Detecting This Marine Fouling Organism Larva Using Said Marker  
Novel isonitrile compounds represented by the general formula F-A-NC, their method of manufacture, a marine fouling organism larva fluorescent marker having at least one of these compounds as an...
US20110014630 Fluorescent Carbon Nanoparticles  
Disclosed are photoluminescent particles. The particles include a core nano-sized particle of carbon and a passivation agent bound to the surface of the nanoparticle. The passivation agent can be,...
US20100120165 Method and System for Manufacture and Use of Macroporous Beads in a Multiplex Assay  
Macroporous beads and a method of manufacturing and using such macroporous beads. wherein the beads are distinguishable for use in a multiplex assay. Preferably, the beads are distinguishable by...
US20050244984 Methods and compositions for calibrating chemical array readers  
The invention provides compositions for calibrating a fluorescence reader. The subject compositions generally relate to a solid support coated in a fluorescent agent, where the solid support has...
US20070274922 Water Soluble Boronic Acid Fluorescent Reporter Compounds and Methods of Use Thereof  
Described herein are boronic acid fluorescent compounds and methods of use thereof.
US20110236989 ANTIOXIDANT PROTECTION OF A CHEMICAL SENSOR  
Analyte sensors having antioxidant protection are disclosed. By combining antioxidant and/or scavenger agents into polymer matrices that contain sensor moieties, the sensor moieties are protected...