Class / Patent application number | Description | Number of patent applications / Date published |
073610480 | By optical irradiation | 17 |
20090013768 | DEVICE FOR BIOASSAYS WITH INTEGRATED DETECTOR - The disclosure relates to a biological analysis device including:
| 01-15-2009 |
20090145202 | OPTICAL CELL - A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, for example, an optical detector. A reduced-turbulence optical detector can be used to improve collected response data. A reduced-turbulence optical detector can include a cell body disposed about a length of transparent tubing. The cell body positions one or more emitter/receiver pairs about the transparent tubing. Thus, tube junctions are eliminated and sample flow within the tube is substantially turbulence free. | 06-11-2009 |
20100024526 | SYSTEMS AND METHODS FOR OPTICAL MEASUREMENT OF ANALYTE CONCENTRATION - A method and sensor for measuring the concentration of an analyte about radiantly excitable indicator molecules. A stimulus waveform is used to drive a radiant source. The indicator molecules are exposed to the radiant source. A response waveform is generated to represent photoluminescent radiation emitted by the indicator molecules. A phase difference between the stimulus waveform and the response waveform is a function of the concentration of the analyte that enables determining the analyte concentration. | 02-04-2010 |
20100313635 | PARTICULATE TESTER WITH MIXER FOR ANALYTICAL APPLICATION - A mixer for analytical application mixes a container of fluid without a magnetic stir bar. A device for testing a liquid for particles can use the mixer. The mixing can occur in a sealed container, and liquid can be transmitted to the device from the sealed container. | 12-16-2010 |
20110120212 | SYSTEM FOR DETERMINING A CONCENTRATION OF A SUBSTANCE IN A BODY FLUID | 05-26-2011 |
20120144903 | METHOD OF EXTRACTING CHLOROPHYLL AND MEASURING CONSISTENCY OF CHLOROPHYLL - An exemplary method of extracting chlorophyll is provided according to the embodiments of the present invention. The method includes the following steps: providing a plant leaf containing chlorophyll therein and smashing the plant leaf; extracting the chlorophyll from the smashed plant leaf by using an organic solvent, thereby achieving an extracted solution containing chlorophyll therein; filtering the extracted solution and concentrating the filtered solution; and collecting the concentrated solution containing chlorophyll. An exemplary method of measuring a consistency of the chlorophyll is also provided in the present invention. | 06-14-2012 |
20130031964 | Systems and Methods for Monitoring the Quality of a Fluid - Disclosed are systems and methods for monitoring a fluid having one or more adulterants therein. One method of monitoring the fluid includes containing the fluid within a flow path, the fluid including at least one adulterant present therein, optically interacting at least one integrated computational element with the fluid, thereby generating optically interacted light, receiving with at least one detector the optically interacted light, and generating with the at least one detector an output signal corresponding to a characteristic of the at least one adulterant in the fluid. | 02-07-2013 |
20130219999 | MINIATURE HPLC DEVICE - A liquid chromatography device comprises one or more liquid reservoirs ( | 08-29-2013 |
20130269424 | Chromatographic Optical Detection System - A chromatographic optical detection system includes an optical detector disposed to receive light scattered from a stream of particles and configured to convert the received light to an electrical signal; a signal-processing unit in signal communication with the optical detector to receive the electrical signal, and configured to convert the electrical signal to digital pulses and count the digital pulses to output a first signal corresponding to a number of particles detected in a time interval, and configured to integrate and digitize the electrical signal to output a second signal corresponding to the number of particles detected in the time interval; and a data station in signal communication with the signal-processing unit, and configured to select the first signal, if the number of particles detected in the time interval is less than a threshold criterion, and to select the second signal if the number of particles detected in the time interval exceeds the threshold criterion. The threshold criterion is associated with a saturation condition. | 10-17-2013 |
20140260561 | SOLVENT-FREE METHOD FOR MEASURING HYDROCARBONS IN WATER - The present application is directed to methods for measuring hydrocarbons in a water sample. The water sample may be diluted by a dilution factor to reduce the salinity level. An amount of surfactant determined by the dilution factor and the critical micelle concentration of the surfactant may be added to the water sample. The hydrocarbon concentration may be determined by fluorescence measurement. | 09-18-2014 |
20150027206 | 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 refractive index (RI) detection; 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. | 01-29-2015 |
20150033831 | AUTOMATIC ANALYER - An automatic analyzer has a multi-wavelength light source that irradiates a reaction cuvette containing a liquid mixture of a sample to be analyzed and a reagent. A transmitted-light quantity detector detects the amount of light transmitted through the reaction cuvette and internal contents of the reaction cuvette. A single-wavelength light source irradiates the reaction cuvette with single-wavelength light; and a transmitted-light quantity detector detects the amount of single-wavelength light scattered from the reaction cuvette. A memory stores the results of the transmitted-light quantity detection and the scattered-light quantity detection; and the deterioration states of the single-wavelength light source, multi-wavelength light source, and reaction cuvette are determined in accordance with measurement results of cell blank measurements conducted on the reaction cuvette where a predetermined reference solution is stored to detect the amount of light transmitted through and the amount of light scattered from. | 02-05-2015 |
20150052984 | UV/VIS HPLC Photometer - An ultraviolet-visible spectrophotometry (UV/Vis) high-performance liquid chromatography (HPLC) photometer includes a nano flow cell in which a light source feeds a reference light channel and a sample light channel, a reference photodiode for evaluating the reference light channel, and a sample photodiode for evaluating the sample light channel, which extends through the nano flow cell. To create a photometer whose signal evaluation is improved, respective effective exposure times of the sample photodiode and the reference photodiode are settable separately from one another. | 02-26-2015 |
20150090013 | Method and Apparatus for Scanning Detection - An apparatus for scanning and detecting analytes in real time as they move through a separation conduit is provided. The apparatus may include a detector mounted on a scanner containing a separation conduit positions under the scanner such that the scanner may move back and forth along the conduit, producing time and space data of the column as the analyte moves through and providing information regarding elution of the analyte in real time. A method for real time analysis of analytes as they move through a separation conduit is also provided. | 04-02-2015 |
20160003745 | EMBEDDED DEVICE FOR MEASURING COMPONENT AND COMPOSITION OF MULTI-PHASE FLOW FLUID FLOWING IN PIPE - An embedded measurement device that is capable of measuring the component and a composition of a multi-phase flow fluid flowing in a pipe. The embedded measurement device includes: a high-pressure pipe tube in which the multi-phase flow fluid flows; a Raman probe that is partially inserted inside the high-pressure pipe tube and has an optical lens; and a Raman peak analysis unit that is connected to another part of the Raman probe. The device for measuring the composition of the multi-phase flow fluid measures a Raman peak intensity value of the multi-phase flow fluid in the high-pressure pipe tube by using the Raman probe, thereby determining the composition of the fluid. | 01-07-2016 |
20160018339 | AUTONOMOUS REMOTE SENSOR FOR DETERMINING A PROPERTY OF A FLUID IN A BODY OF WATER - An autonomous remote sensor for analyzing a fluid in a body of water comprises: a vessel, wherein the vessel moves through the body of water; and an analyzer, wherein the analyzer: (A) is located on or adjacent to the vessel; (B) incorporates one or more Integrated Computational Elements (ICE); and (C) is capable of determining at least one property of the fluid by at least contacting the fluid with radiated energy and detecting the interaction between the radiated energy and the fluid. A method of analyzing a fluid in a body of water comprises: providing a vessel, wherein the vessel moves through the body of water; and determining at least one property of the fluid using the analyzer. The analyzer can also have a spectral resolution less than 4 nm. | 01-21-2016 |
20160033467 | FUEL WATER SEPARATOR BOWL WITH AN INTERNAL INSPECTION LIGHT - An internal inspection light system for a fuel water separator bowl of a fuel filtration system is disclosed. The internal inspection light system includes an assembly body, a compartment, and a light source. The assembly body is configured to attach to the fuel water separator bowl. The compartment includes a compartment wall extending from the assembly body with at least a portion of the compartment wall being formed of a material such that sufficient light can pass through the compartment wall to illuminate the fuel water separator bowl, and a compartment cap connected to the compartment wall distal to the assembly body. The light source is located within the compartment. | 02-04-2016 |