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9040255 Use of diazolidinyl urea for anti-clumping of biological samples  
The present invention provides methods for preventing clumping of cells in microfluidic devices by addition of diazolidinyl urea (DU). DU can be added to samples at the time of collection or can...
8999722 Detection of analytes including nitro-containing analytes  
Sensors and methods for determination of analytes are provided. Analytes including explosives (e.g., RDX or PETN) may be determined by monitoring, for example, a change in an optical signal of a...
8981100 Use of novel coumarins as glutathione and thiol labels  
Fluorescent quinolizinocoumarin compounds substituted with electrophilic reactive groups that bind thiol compounds are described. The compounds are useful in detecting oxidative stress and...
8975014 Fluorescence detection of poison oak oil  
The invention herein disclosed provides for compositions, methods for synthesizing said compositions, and methods for using said compositions, wherein the compositions and methods may be used to...
8932862 Method for measuring solubility  
A method of determining the solubility of a compound in a selected solvent is provided that does not require determination of, or use of, standards having known concentrations of the compound. In...
8927293 Methods and devices for analytical sensing of biogenic amines  
Disclosed herein are chromogenic response polymers and methods and devices that utilize the disclosed polymers which are suitable for use in detecting the presence of and identity of biogenic amines.
8903661 Chemical sensors based on cubic nanoparticles capped with an organic coating for detecting explosives  
The present application describes a sensor apparatus, especially an electronic nose, based on 2D films or 3D assemblies of cubic nanoparticles capped with an organic coating. The organic coating...
8895319 Nanohybrid nitrogen monoxide detecting sensor and a production method therefor  
The present invention provides a nanohybrid type nitrogen monoxide detecting sensor and a production method therefor in which the nanohybrid type nitrogen monoxide detecting sensor includes a...
8895318 Ammonia compound concentration measuring device and ammonia compound concentration measuring method  
An ammonia compound concentration measuring device includes: a pipe unit through which the circulating gas flows; a converter which is disposed in the pipe unit and converts an ammonia compound...
8895313 Ligands for aggregated tau molecules  
Provided are certain benzothiazole, imidazothiazole, imidazopyrimidine and imidazopyridine compounds, including, for example: formula (I) and pharmaceutically and physiologically acceptable salts,...
8889421 Bulk HME precursor detection kit  
The present invention relates generally to a kit and method for the colorimetric detection of precursors used in the assembly of homemade explosives (HMEs). More specifically, the present...
8859291 Methods for target molecule detection using siderophores and related compositions  
The invention provides methods for isolating a target molecule from a sample. In an embodiment, the method involves contacting a sample with a capture agent, the agent comprising a siderophore and...
8852949 Urea solution quality determining system  
A urea solution quality determining system may include a urea tank in which a urea solution is filled through a charging hole, a test chamber positioned below the charging hole for holding a...
8828733 Microsensor material and methods for analyte detection  
The compositions and methods relate to an organic polymer-inorganic particle sensor material for detecting analytes. Interactions between the polymer and the particles are affected by the presence...
8815604 Microchannel chip and method for gas-liquid phase separation using same  
A microchannel chip having a microchannel formed in a substrate and a gas-liquid phase separation microchannel whose upper part is covered with a porous film, the gas-liquid phase separation...
8815603 Incorporation of chemochromic pigment into a variety of articles as an indicator for the presence of hypergolic fuels  
A chemochromic indicator is provided that includes a hypergolic fuel sensing chemochromic pigment that change from a first color to a second color in the presence of a hypergolic fuel. In a first...
8809063 Fluorescent carbazole oligomers nanofibril materials for vapor sensing  
A fluorescence based sensor (10) is disclosed and described. The sensor (10) can include nanofibril materials (12) fabricated from a linear carbazole oligomer and a fluorescence detector (14). The...
8802443 Method for identifying gambiered guangdong silk  
A method for identifying gambiered Guangdong silk includes the steps of: detecting the surface state of fiber by microscope; detecting the pyrolysis fragments of fabrics by pyrolysis gas...
8785204 Methods of assaying for tetrahydrocannabinol  
The invention provides a method of assaying for tetrahydrocannabinol in a body fluid. The method includes contacting a sample of body fluid with an imine capable of reacting with...
8778085 Dissolved nitrogen concentration monitoring method, substrate cleaning method, and substrate cleaning apparatus  
A dissolved nitrogen concentration monitoring method is used for monitoring a dissolved nitrogen concentration of a cleaning liquid when an ultrasonic wave is irradiated onto the cleaning liquid...
8765483 Explosives detection substrate and methods of using the same  
Provided herein are explosives detection substrates which include an electrospun (electro)sprayed and/or dry spun aromatic polymer, such as polystyrene, and a small molecule fluorophore. Methods...
8758690 Sterilisation indicator  
A sterilization indicator having a compound that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen N; and a thermochromic dye, in thermal contact with the compound.
8748187 Control system for NOx removal device, NOx removal device provided with the same, boiler plant provided with the same, and method of controlling NOx removal device  
A control system of a NOx removal device is provided with reagent introducing means for introducing a reagent into a fluid, a temperature measuring device that measures a temperature distribution...
8735057 Fluorescence detection of poison oak oil  
The invention herein disclosed provides for compositions, methods for synthesizing said compositions, and methods for using said compositions, wherein the compositions and methods may be used to...
8703500 Optoelectrical vapor sensing  
A chemical sensor can include a nanofiber mass of p-type nanofibers having a HOMO level greater than −5.0 eV. Additionally, the chemical sensor can include oxygen in contact with the p-type...
8679846 Sterilisation indicator  
The invention provides a sterilization indicator (17), characterized in that it comprises: a compound (21) that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen...
8658428 Methodology for determination of nitrogen content in nitrocellulose  
In at least one embodiment, the invention is directed to a method of determining the nitrogen content in nitrocellulose by High Performance Liquid Chromatography (HPLC). It is within the scope of...
8652409 Photoelectrocatalytic fluid analyte sensors including reference electrodes  
Fluid analyte sensors include a photoelectrocatalytic element that is configured to be exposed to the fluid, if present, and to respond to photoelectrocatalysis of at least one analyte in the...
8637323 Fluorescent nitric oxide probes and associated methods  
Nitric oxide probes including a compound represented by Formula, I, II, III, IV, V, VI or a combination thereof are provided. Methods of using these nitric oxide probes to detect nitric oxide are...
8632726 Device and method for producing carbon dioxide, nitride and/or sulfur dioxide from a sample  
The invention relates to a device for producing CO2, N2 and/or SO2 from a sample for a quantitative analysis of the sample, comprising a reactor structure and metals acting in an oxidizing manner...
8628977 Group specific internal standard technology (GSIST) for simultaneous identification and quantification of small molecules  
Reagents and methods are provided that permit simultaneous analysis of multiple diverse small molecule analytes present in a complex mixture. Samples are labeled with chemically identical but...
8623296 Microfluidic size-exclusion devices, systems, and methods  
Microfluidic devices, assemblies, and systems are provided, as are methods of manipulating micro-sized samples of fluids. Microfluidic devices having a plurality of specialized processing features...
8617897 Method of detecting oxides of nitrogen  
Methods and kits to detect and quantitate NOx compounds in a biological sample are provided. The methods include reacting a mixture that includes a nitrite compound and a chromogenic reagent to...
8609425 Determination of nitrate/nitrite concentration in water by quantitative photochemical reduction using NH4CL and EDTA  
Methods for determining the concentration of nitrates in several types of water samples by photochemical reduction without the use of toxic materials such as cadmium or hydrazine, and having an...
8609428 Colorimetric assay for pyrethroid insecticides on solid items  
The invention relates to an assay to test for pyrethroids in a sample. The assay is particularly useful for testing material treated with pyrethroids, such as bed netting and the like.
8603830 Method for the determination of polysorbate 80  
The present invention relates to a method for the determination of polysorbate in a protein-containing sample. The method of the present invention involves the pretreatment of the sample by...
8592216 Labeling peptides with tertiary amines and other basic functional groups for improved mass spectrometric analysis  
The present invention provides methods for enhancing the fragmentation of peptides for mass spectrometry by modifying the peptides with a tagging reagent containing a functional group, such as a...
8586383 Device and method for detection of harmful substances  
The invention relates to a device (10) for detection of harmful substances with a measurement unit (28) for measuring at least one harmful substance and an evaluation unit (30) for determining the...
8586371 Optical sensors including surface modified phase-change materials for detection of chemical, biological and explosive compounds  
A sensor device includes an optical limiting structure including a metal layer with at least one metal particle having a size no greater than about 1500 nanometers, and a phase-change material...
8563777 Ionizable isotopic labeling reagents for relative quantification by mass spectrometry  
Relative quantification of metabolites by Electrospray Ionization Mass Spectrometry (ESI-MS) requiring a mechanism for simultaneous analysis of multiple analytes in two or more samples. Labeling...
8557596 Fluorescence detection of nitrogen-containing explosives and blue organic LED  
The invention provides a sensor for detecting nitrogen containing high explosives. The sensor includes a substrate and a blue-photoluminescent metallofluorene copolymer to be carried on said...
8557595 Fluorescence detection of nitrogen-containing explosives and blue organic LED  
The invention provides a sensor for detecting nitrogen containing high explosives. The sensor includes a substrate and a blue-photoluminescent metallofluorene copolymer to be carried on said...
8513022 Analytical method and apparatus  
A method for determining the amount of a chemical species in a sample, in particular the amount of weak acid dissociable cyanide or total cyanide in a sample, and an apparatus for performing said...
8440466 Nitrogen oxide analyzer and method for setting parameter applied to nitrogen oxide analyzer  
The nitrogen oxide analyzer obtains the ozone concentration-luminescence response characteristics that show the relationship between the ozone concentration and the light intensity by...
8435797 Electroluminescent diode sensor  
A senor uses a transduction mechanism of attenuating electroluminescence. Luminescence from a light emitting diode is attenuated as a consequence of direct interaction of an analyte and a...
8409864 Ammonia sensor and system for use  
An ammonia gas sensing device includes a housing defining a fluid flow path. The fluid flow path includes a fluid inlet, a fluid outlet, and an access port. A gas permeable/liquid impermeable...
8394643 Fluoranthene copolymers and methods of making and using the same  
The present application relates to copolymers having at least one optionally substituted fluoranthene as a first monomer unit and at least one optionally substituted pyrrole as a second monomer...
8389232 Fluorescence detection of poison oak oil  
The invention herein disclosed provides for compositions, methods for synthesizing said compositions, and methods for using said compositions, wherein the compositions and methods may be used to...
8377704 Detection and quantification of anions  
Provided herein are methods of detecting anions in solution. In particular, the methods can be used to detect trace anions in solution. For example, the anions can be present in an amount of...
8372650 Sensing element for nitrogen oxide molecule sensing apparatus for nitrogen oxide molecule and method for sensing nitrogen oxide molecule  
In a sensing element for a nitrogen oxide molecule of the present invention, a sensing portion that is to be bonded to a nitrogen oxide molecule to be sensed is fixed between paired metal...

Matches 1 - 50 out of 315 1 2 3 4 5 6 7 >