| Entries |
| Document | Title | Date |
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| 20080233656 | Method For Detecting a Fuel Additive Component - A process for qualitatively or quantitatively detecting a fuel additive component which is part of an analyte comprising a fuel and/or further fuel additive components, by contacting the analyte with an indicator and determining the change, caused by the interaction between fuel additive component and indicator, in the color properties of the indicator in the analyte. | 09-25-2008 |
| 20090081801 | Process for synthesis of pyrrole derivative, an intermediate for atorvastatin - The present invention also relates to a novel impurity, (6-{2-[2-(6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoyl-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]-dioxan-4-yl)-acetylamino]-ethyl}-2,2-dimethyl-[1,3]-dioxan-4-yl)-acetic acid tert-butyl ester, the compound of formula IV, having the following structure: | 03-26-2009 |
| 20090215186 | Method for Procyanidin Analysis - The present invention relates to a novel method for quantifying procyanidin and flavan-3-ols contained in natural products, foods and drinks, pharmaceuticals and/or cosmetics. The present invention provides a method for quantifying procyanidin (a generic name for a mixture of catechin n-mer; n≧1) contained in test samples such as natural products, foods and drinks, pharmaceuticals and/or cosmetics, which comprises a) pretreating a test sample using a column to remove contaminants which affect the analysis of procyanidin and flavan-3-ol; and b) effecting high performance liquid chromatography (HPLC) to separate and quantify procyanidin and flavan-3-ols in the solution treated to remove contaminants during the above pretreatment step a). | 08-27-2009 |
| 20100035352 | Method for Monitoring a Childbirth Process - A liquid carrying element, such as a test strip, is preferably tagged and used together with a measurement and presentation device. The measurement and presentation device is used in labor wards to evaluate change in lactate levels in amniotic fluid. In order to make sure that the correct test strip is inserted in the measurement device an identification mechanism may be used. The test strip may contain an identification tag. The measurement device may be set to only accept correctly tagged test strips. | 02-11-2010 |
| 20100151582 | METHOD FOR DETERMINING THE AMOUNT OF CONJUGATED TAXANE IN POLYGLUT ACID-TAXANE CONJUGATES - The invention relates to a method for determining the amount of conjugated taxane, in particular paclitaxel, in a PGA-taxane conjugate said method comprising: a) reacting the PGA-taxane conjugate with a compound formula (I): R | 06-17-2010 |
| 20100151583 | SOLID PHASE EXTRACTION OF OCHRATOXINS - Polymers capable of binding ochratoxins are disclosed. The polymers may be used for solid phase extraction of ochratoxins and immobilisation of ochratoxins in solid phase extraction (SPE) cartridges, for qualitative or quantitative analysis of ochratoxins in liquid extracts from foodstuffs or animal feeds. The polymers may be prepared from monomers containing amido or amino-alkyl moieties and acid moieties. Preferred embodiments are polymers prepared from 2-acrylamido-2-methylpropane-sulfonic acid (AMPSA) and from a mixture of diethyl aminoethyl methacrylate (DEAEM) and itaconic acid (IA). The polymers are preferably cross-linked, for example using ethylene glycol dimethacrylate (EGDMA) or divinyl benzene (DVB), and made macroporous by polymerisation in the presence of a porogen solvent such as dimethyl formamide (DMF). | 06-17-2010 |
| 20100167409 | SOLID PHASE EXTRACTION OF ALFATOXINS - Polymers suitable for binding aflatoxins for use for in solid phase extraction of aflatoxins and immobilisation of aflatoxins in solid phase extraction (SPE) cartridges for qualitative or quantitative analysis of aflatoxins in solutions extracted from foodstuffs or feedstuffs are prepared from allylamine; methylene bisacrylamide (MBAA); acrylamide, ethyleneglycol-methacrylate phosphate (EGMP); 4-vinyl pyridine; or 2-acrylamido-2-methylpropane-sulfonic acid (AMPSA) monomers. Preferred embodiments are polymers containing acrylamide moieties such as acrylamide and MBAA. The polymers are preferably cross-linked, for example using ethylene glycol dimethacrylate (EGDMA) or divinyl benzene (DVB), and macroporous. | 07-01-2010 |
| 20100297775 | COLORIMETRIC TEST FOR ANTIMALARIAL ARTEMESIN DERIVATIVES - A process for testing a composition as containing an artemisinin derivative is provided that includes contacting the composition with a reagent made up of a hydrogen bonding polar organic solvent and an acid having a pK value of less than 3.8 at 25° Celsius and capable of acid catalyzing a decomposition reaction of the artemisinin derivative so as to provide a reaction mixture. The reaction mixture is allowed sufficient time at a reaction temperature for the artemisinin derivative to decompose to yield a colored decomposition product discerned by a normal unaided human eye. A kit for testing a composition for an artemisinin derivative according to the process is provided together with instructions for contacting the solvent and the acid with the composition to decompose the artemisinin derivative to yield the colored decomposition. | 11-25-2010 |
| 20110008904 | METHOD FOR DETERMINING IF A PATIENT HAS A TRAUMATIC BRAIN INJURY AND RELATED APPARATUS - A method for determining if a patient has a traumatic brain injury includes obtaining a body specimen from the patient, determining the concentration of marinobufagenin in the body specimen, comparing the concentration of marinobufagenin to the concentration in such body specimens in normal persons, and if the marinobufagenin concentration is substantially above the concentration of a normal person, concluding traumatic brain injury exists. In a preferred embodiment, a substantial elevation is deemed to be an increase of about 30 percent above the marinobufagenin concentration of a normal person. The body specimen may be blood or urine. If a substantial elevation is deemed to exist, the magnitude from the departure from the concentration of a normal person may be employed in determining the timing and nature of treatment provided to the patient. The method may be repeated at predetermined intervals to monitor changes in the marinobufagenin with time. Corresponding apparatus is provided. | 01-13-2011 |
| 20110020944 | APPARATUS AND METHOD FOR DETECTING TRIACETONE TRIPEROXIDE - The present invention relates to an apparatus and a method for fast and reliable online detection of triacetone triperoxide (TATP), with at least three differently coated HFF quartz crystal oscillator sensors ( | 01-27-2011 |
| 20110020945 | ORAL DETECTION TEST FOR CANNABINOID USE - A method for confirming the active intake of marijuana and its active component Δ | 01-27-2011 |
| 20110027897 | Biomarker to Measure Drug Efficacy in Enteropathic Disease - The response of a patient with an enteropathic disease to therapy, particularly a candidate therapy in a clinical trial setting, is assessed by detecting the ability of the patient to metabolize an orally administered CYP3A substrate. The CYP3A metabolism may be monitored in a variety of ways. Conveniently, the appearance of a metabolite of the CYP3A substrate is detected in a patient sample over a period of time following oral administration, e.g. in urine, plasma, breath, saliva, etc. The CYP3A substrate is optionally labeled, e.g. with an isotopic, fluorescent, etc. label. | 02-03-2011 |
| 20110065200 | USE OF ALPHA-METHYLGLUCOSIDE (AMG) AS AN INDICATOR FOR GLUCOSE ABSORPTION AND EXCRETION - Presented here are methods using alpha-methylglucoside (AMG) in vivo as an indicator for glucose absorption from the gastrointestinal (GI) system or glucose excretion in the urine after oral administration of AMG. The methods find use in, for example, but not limited to, determining the effect of a sodium-dependent glucose transporter (SGLT) inhibitor in an animal, comparing the differences in the effects of a first and second SGLT inhibitor in an animal, and diagnosing a disease associated with glucose absorption from the gastrointestinal (GI) system or glucose excretion from the kidney in an animal. | 03-17-2011 |
| 20110129937 | SEMICONDUCTOR DETECTOR FOR PEROXIDE-BASED EXPLOSIVES - A device for the detection of a peroxide-based explosive, in particular, triacetone triperoxide (TATP), which is based on a molecular controlled semiconductor resistor (MOCSER) and composed of at least one insulating or semi-insulating layer, at least one conducting semiconductor layer, two conducting pads and a layer of multifunctional organic molecules capable of adsorbing molecules of said peroxide-based explosive. Further is provided an array of semiconductor devices for the selective detection of a peroxide-based explosive, as well as a method for the selective detection of vapors of a peroxide-based explosive in a gaseous mixture using said array. The multifunctional organic molecules are from the group of cyclodextrins, thiols or alkylphosphonates with RPO(OH) 2 wherein R is an aliphatic hydrocarbyl with C6-C22. | 06-02-2011 |
| 20110151570 | METHOD FOR ON-SITE DRUG DETECTION IN ILLICIT DRUG SAMPLES - The invention is provided for detection of Heroin and Morphine in illicit drug samples, also for their differentiation. A liquid sample from a street sample is prepared and divided into two equal aliquots, one of them being reference sample, another being main sample. Both samples are treated with Hydrochloric acid and Sodium hydroxide, but those substances are added to the samples in the different sequence. After that the measurement of SFS of the reference sample is performed. Further the presence of specific spectral pattern of Morphine in the measured SFS of the reference, sample is detected and the value of SFS intensity at the specific spectral point is fixed (a reference value). After 15 minutes for acidification of the main sample, the analogous measurement and detection of the Morphine in the main sample are performed. | 06-23-2011 |
| 20110195511 | Method and apparatus for analyzing vitamin E in lipoproteins - A method of analyzing vitamin E components in a Lipoprotein by subjecting a lipoprotein-containing sample to ion exchange chromatography to separate the lipoprotein, reacting the separated lipoprotein to a pretreating solution containing an organic solvent and a surfactant to liberate vitamin E components, and then subjecting the liberated vitamin E components to reverse phase chromatography. Also described is a method of judging various pathological conditions such as the pathological conditions of diabetes, the risks of coronary artery diseases, and the pathological conditions of myocardial infarction using levels of vitamin E components in the lipoprotein as an index. | 08-11-2011 |
| 20110244585 | CHEMICAL SENSORS CONTAINING CARBON NANOTUBES, METHOD FOR MAKING SAME, AND USES THEROF - A device is disclosed for detecting at least one chemical compound comprising at least one carbon nanotube with several graphene layers, on which is grafted at least one molecule bearing group G1 capable of reacting with the chemical compound or a precursor of such a group G1. The uses and the method of making such a device is also disclosed. | 10-06-2011 |
| 20110263033 | Apparatus And Methods For Performing Photoreactions And Analytical Methods And Devices To Detect Photo-Reacting Compounds - Embodiments of the present invention are directed to devices and methods for performing photoreactions of photo-reacting compounds in solution. The invention features a vessel and a light source. The vessel has at least one wall defining a chamber. The chamber, for performing photoreactions, has a chamber volume, a first window, an inlet and an outlet. The inlet and outlet are in fluid communication with a source of photo-reacting compounds in solution. The first window is transparent to light transmission and is placed in optical communication with a light source to receive photons. The chamber is for receiving a solution over time to define a dwell time. The solution potentially has one or more photo-reactive compounds having a concentration. The device further comprises a light source, in optical communication with the first window, for emitting photons which photons are received by the first window and transmitted into the chamber. | 10-27-2011 |
| 20110281367 | DEVICE AND METHOD FOR DETECTION OF HARMFUL SUBSTANCES - The invention relates to a device ( | 11-17-2011 |
| 20110300635 | CHEMICAL INDICATOR TEST STRIP - Articles and methods for the detection and/or quantification of organic analytes are described. The invention provides a chemical indicator test strip, comprising: a substrate; and a coating comprising a leuco dye complex on the substrate, the coating being insoluble in water and reactive with an organic analyte, the coating derived from a solution of leuco dye and developing agent. In another aspect, the coating further comprises adjuvant, in the form of a water-insoluble, polar, hydrophobic, aprotic material that extends the lower limit of detection for the analyte. In still another aspect, the present invention provides a method of using a chemical indicator test strip, comprising: (a) exposing the chemical indicator test strip to a sample comprising an organic analyte; (b) measuring a color change on the chemical indicator test strip following the exposing step; and (c) correlating the color change with the concentration of the analyte in the sample. | 12-08-2011 |
| 20120225487 | 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 alkaline hydrolysis followed by colorimetric determination. | 09-06-2012 |
| 20120276645 | OPTICAL SENSOR-BASED CUPRIC REDUCING ANTIOXIDANT CAPACITY (CUPRAC) ASSAY - An example embodiment is an apparatus for measuring antioxidant presence comprising a solid media, and a reagent carried by the media, the reagent reactive with at least one antioxidant to cause changes in light that is incident upon the reagent while carried by the solid media. | 11-01-2012 |
| 20130071937 | TEST STRIP FOR THE DETECTION OF EQUOL - Subject of the invention is a test strip for the detection of equol by a color change. Subject of the invention are also methods for producing the test strip, methods for using the test strip, and uses of the test strip. | 03-21-2013 |
| 20130288379 | EPOXIDATION REACTIONS AND OPERATING CONDITIONS THEREOF - A method of producing an alkylene oxide includes passing a reaction mixture comprising alkylene, oxygen and a gaseous chlorine-containing promoter species over a supported catalyst containing silver and a promoting amount of rhenium to undergo an epoxidation reaction at a first operating condition. The method further includes subsequently performing the epoxidation reaction at a preferred operating condition. The preferred operating condition is characterized by an efficiency of the epoxidation reaction toward the alkylene oxide where the efficiency is lower than that of a maximum efficiency achievable at an operating temperature corresponding to the preferred operating condition. | 10-31-2013 |
| 20140017798 | ANALYTICAL METHODS FOR ANALYZING AND DETERMINING IMPURITIES IN DIANHYDROGALACTITOL - An improved analytical method for analysis of dianhydrogalactitol preparations provides a method for determining the purity of dianhydrogalactitol and detecting impurities in preparations of dianhydrogalactitol, as well as identifying any such impurities. The method employs high performance liquid chromatography (HPLC), in particular, HPLC with evaporative light scattering detection (ELSD); the HPLC can be followed by tandem mass spectroscopy. The method can further comprise the step of performing preparative HPLC collection of at least one specific substance peak present in a preparation of dianhydrogalactitol. | 01-16-2014 |
| 20140080219 | METHOD OF QUALIFYING MATERIAL FOR USE IN CLEANING OF ALKYLENE OXIDE EQUIPMENT - The present invention relates to methods for qualifying material for using in the cleaning of alkylene oxide equipment. Qualified material is not expected to contribute to the formation of determinable amounts of alkylene oxide by-products. Methods of cleaning alkylene oxide equipment, and alkylene oxide processes incorporating these methods are also provided. | 03-20-2014 |
| 20140134745 | METHOD FOR EVALUATION OF LIGNIN - According to one aspect of the present method, a method for evaluation of lignin may comprise the steps of: providing lignin from a source, wherein the composition of lignin is unknown; analyzing the lignin by molecular spectroscopy methods and/or physical-chemical analysis; determining the composition of the lignin; and using the determination of the composition to predict at least one biobased product produced from the lignin. Within the method, a statistical analysis of the lignin may provide a prediction for one or more products produced and/or the yield of one or more products. | 05-15-2014 |
| 20140154813 | MARKING OF MATERIAL, MARKED MATERIAL AND PROCESS OF AUTHENTICATION OR DILUTION DETERMINATION - Method for marking a material, comprising including at least two components having different fluorescent characteristics as a blend of components in the material, the at least two components not being already associated with the material and at least one of the at least two different components having a fluorescence that varies in spectral position and/or intensity according to variation of pH, the at least two components being included in the material in an amount effective to be qualitatively and/or quantitatively determined. Also, provided are marked materials and methods of authenticating and preventing counterfeiting and dilution. | 06-05-2014 |
| 20140315318 | ANALYTICAL METHODS FOR ANALYZING AND DETERMINING IMPURITIES IN DIANHYDROGALACTITOL - An improved analytical method for analysis of dianhydrogalactitol preparations provides a method for determining the purity of dianhydrogalactitol and detecting impurities in preparations of dianhydrogalactitol, as well as identifying any such impurities. The method employs high performance liquid chromatography (HPLC), in particular, HPLC with evaporative light scattering detection (ELSD); the HPLC can be followed by tandem mass spectroscopy. The method can further comprise the step of performing preparative HPLC collection of at least one specific substance peak present in a preparation of dianhydrogalactitol. | 10-23-2014 |
| 20150037898 | DEVICES AND METHODS OF DETERMINING DISTURBANCE VARIABLE-CORRECTED ANALYTE CONCENTRATIONS - Devices and methods are provided for determining concentration of at least one analyte in a body fluid sample such as blood, especially a blood glucose concentration. In the methods, a test element is provided that has at least one reagent element configured so as to carry out at least one optically detectable detection reaction in the presence of the analyte. The body fluid sample is applied to the test element and a time course of at least one optical measurement variable of the reagent element is detected. At least one first time interval of the time course of the optical measurement variable is used to determine at least one disturbance variable value in the body fluid sample, in particular a concentration of a disturbance variable such as hematocrit. At least one second time interval of the time course is used to determine analyte concentration. The at least one disturbance variable value can be used to correct/compensate the analyte concentration. | 02-05-2015 |
| 20150111301 | ROSE BENGAL FOR DETECTION OF OXIDATIVE DECOMPOSITION OF CONTAMINANTS - Rose Bengal for detecting a presence of and decomposing contaminants. A method of detecting the presence of a contaminant includes treating a substrate with Rose Bengal and exposing the substrate to a light having a wavelength within the visible spectrum. A response of the Rose Bengal is monitored during the light exposure. When a contaminant is present and is exposed to the light, a conversion of the Rose Bengal between a quinoid form and a lactone form is induced. | 04-23-2015 |
| 20150140673 | SAMPLING SYSTEM AND PROCESS FOR SAMPLING - A sampling system includes an analyte sampler that includes an enclosure; a mount disposed in the enclosure; a capillary tube disposed in the mount; and a thermal member disposed in the enclosure and including a first fluid supply member to provide a fluid to an interior of the enclosure. The sampling system also includes a manifold in fluid communication with the analyte sampler. A process for sampling an analyte includes subjecting the capillary tube to a negative pressure; and controlling the temperature of the capillary tube to immobilize the analyte in the capillary tube; providing an analyte to a second end of the capillary tube; and immobilizing the analyte in the capillary tube to sample the analyte. | 05-21-2015 |
| 20150368276 | VAPOCHROMIC COORDINATION POLYMERS FOR USE IN ANALYTE DETECTION - Vapochromic coordination polymers useful for analyte detection are provided. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes, for example in the infrared (IR) or Raman signatures. One or more of the above chromatic changes may be relied upon to identify a specific analyte, such as a volatile organic compound or a gas. The chromatic changes may be reversible to allow for successive analysis of different analytes. The coordination polymer has the general formula M | 12-24-2015 |
| 20160011163 | METHOD FOR FRACTIONATING DIOXINS | 01-14-2016 |
| 20160018424 | METHODS FOR CANNABINOID QUANTIFICATION - A method for quantification of the concentration of one or more cannabinoid compounds in a liquid sample is provided. The method involves contacting the liquid sample with at least one cannabinoid-sensitive visualization reagent, allowing the at least one cannabinoid-sensitive visualization reagent to develop for a defined amount of time; and comparing the resulting color change of the at least one cannabinoid-sensitive visualization reagent to a calibrated quantification reference chart. | 01-21-2016 |
| 20160084811 | A DUAL GAS SENSOR STRUCTURE AND MEASUREMENT METHOD - The invention relates to a sensor structure and a method. The sensor structure includes a first sensor having a sensing element sensitive to humidity of the environment. In_accordance with the invention the sensor structure also includes s second sensor having a sensing element sensitive to humidity, the second sensor comprising a catalytic permeable layer positioned on the second sensor such that it is between the sensing element of the second sensor and the environment. | 03-24-2016 |
| 20160146765 | METHOD AND APPARATUS FOR INSPECTING A GAS SAMPLE - An apparatus for detecting a presence of at least one analyte in a gas sample. The apparatus comprises a pump for drawing a gas sample from an ambient air, a passage having first and second ends, a chamber connected to the first end and containing a concentrating element for collecting at least one analyte from the gas sample, a chromatographic separator connected to a second end of the passage, and a gas source for streaming a carrier gas via the chamber to transfer the at least one analyte toward at least one chemical detector, via the chromatographic separator, in a first direction. The pump draws the gas sample via the chamber in a second direction and the first and second directions are substantially opposing to one another. | 05-26-2016 |
| 20160169919 | METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY | 06-16-2016 |
| 20170234897 | METHODS FOR CANNABINOID QUANTIFICATION | 08-17-2017 |
| 20180024058 | FUNCTIONAL MATERIAL INCLUDING METAL-ORGANIC FRAMEWORK, METHOD OF PREPARING THE SAME, AND PHOTOCHEMICAL SENSOR INCLUDING THE SAME | 01-25-2018 |
