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9034651 Apparatus and method for measuring concentrations of scale-forming ions  
This invention relates to methods and apparatus for determination of ion concentrations, particularly in downhole water from hydrocarbon wells, aquifers etc. It is useful in a wide range of...
9005983 Electro-chemical sensor  
The present invention provides an electrochemical sensor having a solid electrically conductive substrate and a compound immobilized thereon which has binding affinity for an analyte species to be...
8962338 Methods for measurement of calcium ions  
Reagents and methods for determination of calcium within a sample. Specific embodiments include a reagent for determination of calcium comprising a mono-nitro substituted BAPTA-type chelator...
8956875 Water hardness monitoring via fluorescence  
Provided are automated methods for measuring soluble magnesium concentration in water using fluorescence. The methods employ the use of a pH-buffered liquid and a magnesium coordinating...
8945931 Method and kits to detect beryllium by fluorescence  
A low-cost practical method of determining beryllium or a beryllium compound thereof in a sample is disclosed by measuring fluorescence. This method discloses optical filters for use with low cost...
8883432 Coelenterazine analogues and coelenteramide analogues  
Coelenterazine analogs with different luminescence properties from conventional ones and coelenteramide analogs with different fluorescence properties from conventional ones have been desired. The...
8828728 Dosage protection system and method for an aquatic environment  
An aquatic environment monitoring system and method that includes correction for adverse conditions in the monitoring system involving the development of confidence levels for certain conditions...
8796032 Method for analyzing and detecting calcium element in ore  
A method for determining the content of calcium element in an ore is provided. It includes: decomposing the ore with hydrochloric acid and nitric acid under heating condition, adding perchloric...
8784748 Dry test strip for measuring calcium  
A dry test strip for measuring calcium is comprising a support, a reagent layer provided on the support, and a reagent holding layer provided on the reagent layer, and containing, as reagents,...
8765921 Coelenterazine analogs and manufacturing method thereof  
There has been a need for coelenterazine analogs that exhibit luminescence properties different from those of known coelenterazine analogs. The present invention provides the compound represented...
8759108 Reagent kit for detecting lupus anticoagulant and method of determining presence or absence of lupus anticoagulant  
In order to provide a reagent kit for detecting LA which can clearly separate a lupus anticoagulant (LA)-positive specimen group from an LA-negative specimen group, it is configured that the...
8709815 System and method for the analysis of biodiesel  
Methods and devices are disclosed providing techniques for measuring the amount of biodiesel in a fuel sample. The methods may be used in the field without the use of laboratory equipment. The...
8709818 Lipoprotein analysis by differential charged-particle mobility  
The invention provides methods of preparation of lipoproteins from a biological sample, including HDL, LDL, Lp(a), IDL, and VLDL, for diagnostic purposes utilizing differential charged particle...
8691589 Method for detecting formation of G-quadruplex  
The method of the present disclosure determines whether a target DNA forms a G-quadruplex using a phenomenon in which thioflavin T generates a strong fluorescence when reacted with the...
8642281 Coelenterazine analogues and coelenteramide analogues  
Coelenterazine analogues with different luminescence properties from conventional ones and coelenteramide analogues with different fluorescence properties from conventional ones have been desired....
8548772 Automated method and apparatus for detecting erroneous sample collection in clinical assays  
An automatic method for identifying biological samples that are collected using the wrong blood preservative for subsequent analytical testing. The method also provides for identification and/or...
8507284 Method and apparatus for extraction of strontium from urine  
The present invention provides an apparatus and rapid methods for extracting strontium ions from urine to provide a concentrated and purified strontium-90 extract suitable for scintillation...
8476006 Store-operated calcium cellular assay  
The present technology provides a cell based assay for identifying compounds that modulate store-operated ionic calcium levels using itpr mutant cell lines, such as itpr-ku cells, which have...
8450117 Method to detect beryllium by fluorescence  
A method of determining beryllium or a beryllium compound thereof in a sample is disclosed by measuring fluorescence. This method discloses improved sample preparation methods, particularly for...
8409863 Nanoparticulate chemical sensors using SERS  
A system to selectively deliver relatively small analyte molecules of interest to a SERS-active nanoparticle surface while excluding dozens to hundreds of other species in the environment. In...
8388930 Diagnosis and assessment of skeletal related disease using calcium 41  
A method of determining calcium metabolism in a patient comprises the steps of administering radioactive calcium isotope 41Ca to the patient, allowing a period of time to elapse sufficient for...
8357539 Activated partial thromboplastin time measuring reagent, activated partial thromboplastin time measuring method, and determination method for determining presence or absence of blood coagulation inhibitor  
An activated partial thromboplastin time measuring reagent, including a first reagent containing a phospholipid and an activator and a second reagent containing a herparin neutralizer and a...
8318502 Long wavelength fluorogenic intracellular ion indicators that are well retained in the cytosol  
Cell permeable metal ion indicator compounds and methods of their use and synthesis are described. The compound comprises a metal chelating moiety (Mc), a reporter molecule and two or more...
8265904 Automated methods for detecting sample collection with erroneous anticoagulant in clinical assays  
An automatic method for identifying biological samples that are collected using the wrong blood preservative for subsequent analytical testing. The method also provides for identification and/or...
8211704 Determination method of magnesium content in aluminium alloy  
The present invention discloses a method for determination of magnesium content in aluminum alloy, including: dissolving an aluminum alloy sample, using one or more compounds selected from the...
8187831 Determination of ions using ion-sensitive enzymes  
The invention relates generally to the field of sodium and lithium ion detection. In particular, the invention provides chimeric proteins, nucleic acids encoding chimeric proteins, methods and...
8178076 Diagnosis and assessment of skeletal related disease using calcium 41  
A method of determining calcium metabolism in a patient comprises the steps of administering radioactive calcium isotope 41Ca to the patient, allowing a period of time to elapse sufficient for...
8153436 Assays for disease-associated crystals in biological samples  
Methods of assaying for disease-associated crystal species in biological samples are described. Such methods involve contacting a patient sample with an excess of a detectable crystal-tagging...
8101024 Removal of minerals from cellulosic biomass  
Disclosed is a method for removing minerals from a cellulosic biomass. For example, the biomass may be prewashed with an acid solution and rinsed with water to remove minerals prior to acid...
8070959 Chalcogenide compounds with a clay-like cation-exchange capacity and methods of use  
Chalcogenide compounds with cation exchange capability and methods of using the compounds are described. Compounds of the general formula A2xMxSn3-xS6 are described wherein x is 0.1-0.95, A is...
8003394 Methods for metal assays using optical techniques  
An improved optical method for determining metal or a metal compound thereof in a sample with organic impurities. The optical method comprises of solvating the metal in a liquid medium and then...
7977101 Method and system for measuring water hardness  
Prior to adding detergent or chelant, the conductivity of water in a washing chamber is measured. The maximum concentration of hard water ions that could correspond to the measured conductivity is...
7964409 Detecting hypocalcemia using bovine nose sweat  
The invention is collecting nose sweat and testing the nose sweat for levels of calcium. Testing may be done using standard laboratory procedures for calcium detection, or may be done cow-side...
7927879 Zirconium crucible for melting analytical sample, method of preparing analytical sample and method of analysis  
Proposed is a zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, wherein the purity of the zirconium crucible is 99.99 wt % or higher. In light...
7901940 Method for measuring recovery of catalytic elements from fuel cells  
A method is provided for measuring the concentration of a catalytic clement in a fuel cell powder. The method includes depositing on a porous substrate at least one layer of a powder mixture...
7811826 Method of quantitatively measuring small particle low density lipoproteins  
The present invention provides a fast and simple method for fractional measurement of small particle low density lipoprotein (LDL). The method for quantifying small particle LDL in a test sample...
7790112 Biosensor to determine potassium concentration in human blood serum  
The present invention relates to the development of a biosensor to determine potassium in human blood serum using dibenzo-18-crown-6 (DB18C6) as ionophore. Human blood serum contains potassium in...
7785892 Method of determining iron concentration  
The present invention discloses a method of measuring iron concentration in a sample. The method includes bringing iron contained in the sample into contact with a metallochromic indicator for...
7767627 Combinatorial synthesis of inorganic or composite materials  
Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is...
7767461 Apparatus and method for measuring concentrations of scale-forming ions  
This invention relates to methods and apparatus for determination of ion concentrations, particularly in downhole water from hydrocarbon wells, aquifers etc. It is useful in a wide range of...
7759114 Sensor chips  
A method for selectively orienting molecules on a surface of a solid support. The method includes the steps of: (a) attaching a linker molecule to the surface of the solid support, the linker...
7741122 Determination of total base number in marine engine lubricants by elements  
The present invention provides a method for determining the TBN of a used lubricating oil by measuring with a single device at least one element, such as sulfur, and correlating the measured...
7709265 Method and system for measuring water hardness  
Prior to adding detergent or chelant, the conductivity of water in a washing chamber is measured. The maximum concentration of hard water ions that could correspond to the measured conductivity is...
7651858 Ion-detecting microspheres  
This invention provides methods of using ion-detecting microspheres containing an ionphore and a chromoionphore in clinical laboratory instrumentation such as flow cytometry for sample analysis....
7648841 Reagent for determining the absolute configuration of chiral compound and determination method  
The present invention relates to a reagent for determining the absolute configuration of a chiral compound containing as an active ingredient a metalloporphyrin dimer, wherein the metalloporphyrin...
7638340 Method of eliminating reactivity of lipoarabinomannan and application of the same  
A method of eliminating the reactivity of lipoarabinomannan contained in a sample to a Limulus reagent including at least the step of allowing the sample containing lipoarabinomannan to coexist...
7619053 Monomer solution for producing polycarbonate  
A non-reactive monomer mixture has a monomer component dispersed in a melted diaryl carbonate. The monomer component has one or more monomer compounds having a melting point below the melting...
7615377 Fluorescein-based metal sensors  
The present invention is directed, in part, to fluorescein-based ligands for detection of metal ions, and methods of making and using the same.
7544515 Method of quantifying small-sized low density lipoprotein  
A fast and simple method for fractional measurement of a small particle LDL entails separating the small particle LDL and HDL from other lipoproteins, and then measuring cholesterol,...
7544516 Reagent for determination of calcium and determination method  
A method for determination of calcium in a sample derived from a living body, by the reaction of calcium in the sample with Chlorophosphonazo-III or a compound analogous thereto in the presence of...

Matches 1 - 50 out of 382 1 2 3 4 5 6 7 8 >