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| Number | Title | Issue Date |
| 8168437 | Quantitative determination of risedronate in urine by SPE-LC-MS-MS The disclosure provides a method for quantitatively determining risedronate in a urine sample by adding an internal standard to the urine sample, applying the urine sample to a polymeric water-wettable reverse-phased sorbent preconditioned with methanol, washing the... | 05/01/2012 |
| 7241623 | Lithium detection in liquid biological samples and reagents therefor A method of detecting soluble lithium in a liquid biological sample comprising combining: (a) an amount of the biological sample; (b) 2,3,7,8,12,13,17,18-octobromo-5,10,15,20-tetrakis(4-sulphonatophenyl) porphyrin; (c) alkali; (d) detergent; (e) chelating agent; and... | 07/10/2007 |
| 6667291 | Method of detecting and treating cancer The present invention relates, in part, to newly developed assay for diagnosing cancers, particularly endometrial and mammary, endometriosis and endometrial fibroids along with methods for identifying therapeutic agents that modulate endometrial steroid b... | 12/23/2003 |
| 6521615 | Diagnosing an animal for pyrophosphate gout, osteoporosis, or osteoarthritis by assaying intracellular pyrophosphate content in peripheral blood cells This invention provides a method of treating an animal with pyrophosphate gout or osteoarthritis comprising administering an effective amount of a calcium antagonist, thereby reducing calcium pyrophosphate crystal deposition in the animal.... | 02/18/2003 |
| 6025202 | Self-assembled metal colloid monolayers and detection methods therewith A biosensor based on complexes between biomolecule receptors and colloidal Au nanoparticles, and more specifically, colloid layers of receptor/Au complexes that can be used to detect biomolecule analytes through measuring of binding-induced changes in ele... | 02/15/2000 |
| 5994141 | Method of detecting gynecological carcinomas Methods for diagnosing and screening for ovarian carcinomas in a subject are provided The methods employ the steps of preparing a plasma sample from a blood specimen from the subject, and assaying for the presence of lysophosphatidic acid in the plasma sa... | 11/30/1999 |
| 5858797 | Test composition, device and method for the colorimetric determination of phosphorus A unitized, one step test reagent composition, device and method is presented for the determination of phosphorus in various test sample fluids such as soil extracts. The invention is a modification of the Murphy and Riley methodology which utilizes a mol... | 01/12/1999 |
| 5824555 | Method of detecting gynecological carcinomas The present invention provides a new method for detecting the presence of gynecological carcinomas in a patient. The method, which comprises detecting the presence of lysophosphatidic acid in a plasma sample of the patient, is useful for detecting ovarian... | 10/20/1998 |
| 5817454 | Portable apparatus and method for detection of methylxanthine chemical species A portable apparatus for detecting the presence of at least one methylxanthine chemical species such as caffeine or theophylline in a beverage comprises a first portion comprising an effective concentration of phosphodiesterase enzyme, a second portion co... | 10/06/1998 |
| 5756631 | Siloxanes with strong hydrogen bond donating functionalities Viscous, liquid hexafluoroisopropanol-siloxane polymers having the basic structure: ##STR1## wherein R1 is a monovalent hydrocarbon radical selected from the group consisting of C1 -C6 alkyl groups; cyclohexyl groups ... | 05/26/1998 |
| 5707875 | 170-Labeled phosphoric acid compound and method and apparatus for selective observation of nuclear magnetic resonance signals using the compound Using a mixed sample of a plurality of phosphoric acid compounds different in chemical structure as a sample for measurement, a 31 P nuclear magnetic resonance signal obtained through polarization transfer between 17 O and 31 | 01/13/1998 |
| 5702954 | Method to detect phosphorus An apparatus to detect and measure the amount of phosphorus in phosphorus-containing compounds comprises a burning chamber with a housing having an integral combustion chamber. A flammable reducing agent such as hydrogen is introduced into the combustion ... | 12/30/1997 |
| 5270216 | Measurement of low phosphonate concentrations A process for measurement of low levels of phosphonates in brine waters wherein the phosphonate samples are acidified with hydrochloric acid promptly upon removal from an oil or gas well to prevent phosphonate precipitation or adsorption. The hydrochloric... | 12/14/1993 |
| 5225349 | Method for analytical separation of inositol phosphates with quaternary amine and metal ion complex Inositol phosphates and/or derivatives thereof are analytically separated, whereby a quaternary amine is mixed with an aqueous solution containing one or more inositol phosphates and/or derivatives thereof. The aqueous solution obtained is fed to an analy... | 07/06/1993 |
| 5166074 | Method of detecting the initial concentration of a water-treatment chemical in a diluted aqueous system A method of detecting the initial concentration of a water-treatment chemical present in a diluted aqueous system, by (1) incorporating into the aqueous system, a mixture including a known amount of the active ingredient and a known amount of an ultra-vio... | 11/24/1992 |
| 4826773 | Method and reagent for the quantitative determination of phosphorous in serum and urine A reagent for determining quantitatively the amount of phosphorous in bodily fluids which comprises a surface active agent, a strong acid, ammonium molybdate, a heavy metal chelating compound, and anti-oxidant, and deionized water is described. A method o... | 05/02/1989 |
| 4743561 | Luminescent assay with a reagent to alter transmitive properties of assay solution An improved method and reagents are disclosed for determining a ligand in an assay solution containing the ligand, a reagent system and a luminescent compounds, wherein the intensity of the light emitted by the assay solution is related to the change in t... | 05/10/1988 |
| 4731331 | Rate method for the determination of inorganic phosphorus A reagent of the type comprising an acid, a molybdate salt, a non-ionic surfactant, and polyvinylpyrrolidone (PVP). The reagent is characterized in that it further comprises an enhancing amount of at least one sugar alcohol. Also, a method for assaying in... | 03/15/1988 |
| 4599316 | Photometric method for the determination of inorganic phosphate in liquid samples An improved photometric method for the determination of inorganic phosphate in fluids is disclosed. The method makes use of two reagents, an acid reagent and an ammonium molybdate reagent. Utilizing these reagents, the method comprises the following steps... | 07/08/1986 |
| 4447544 | Method and reagent for determining inorganic phosphate in biological sample An aqueous reagent for determining inorganic phosphate in a protein-containing liquid biological sample comprises a molybdate salt, an acid capable of reacting with the molybdate salt to form molybdic acid for complexation with phosphate to form phosphomo... | 05/08/1984 |
| 4260392 | Method and apparatus for obtaining an aliquot of a liquid in a gel medium There is disclosed a method and apparatus for obtaining a precise aliquot of a sample by diffusing the sample into a gel mass for a controlled period of time. The sample may comprise a liquid containing an unknown quantity of a diffusible, to-be-assayed, ... | 04/07/1981 |
| 4220451 | Process for the determination of serum inorganic phosphate A process for the determination of serum inorganic phosphate utilizing a centrifugal analytical photometer. By optimizing the concentration of surfactant and surfactant media, the reaction rate is increased and the pretest mixing time reduced. The improve... | 09/02/1980 |
| 4129417 | Multisystem test means Multisystem test means, method of making same and method for determining a constituent in a sample under a plurality of reaction parameters. More particularly, a multisystem test means for the determination of a constituent in a liquid sample comprising a... | 12/12/1978 |
| 4009004 | Reagent and method for determination of phosphorous A method and reagent for the determination of inorganic phosphate in biological fluids by the reduction of molybdenumphosphate with a reducing agent, a non-ionic lineating surfactant, an acid, and optionally polyvinylpyrrolidone (PVP), wherein the sample ... | 02/22/1977 |
| 3997470 | Surfactant containing reagent formulations for assaying biological specimens and methods of preparing same A solid, water-soluble substantially anhydrous, storage-stable reagent formulation for use in conducting a clinical diagnostic test on a biological specimen is provided. The reagent formulation comprises a mixture containing a reagent capable of participa... | 12/14/1976 |
| 3953359 | Determination of phosphorus A one step method for the spectrophotometric determination of phosphorus in the presence of protein using molybdic acid is disclosed. Protein precipitation is avoided by including a long chain amine ethylene oxide adduct in the sample reagent mixture bein... | 04/27/1976 |
| 3950133 | Reagent formulations for assaying biological specimens and methods of preparing and using same A solid, water-soluble substantially anhydrous, storage-stable reagent formulation for use in conducting a clinical diagnostic test on a biological specimen is provided. The reagent formulation comprises a mixture containing a reagent capable of participa... | 04/13/1976 |
