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| Number | Title | Issue Date |
| 8050382 | Sample module with sample stream spaced from window, for x-ray analysis system An x-ray analysis system with an x-ray source for producing an x-ray excitation beam directed toward an x-ray analysis focal area; and a sample chamber for presenting a fluid sample to the x-ray analysis focal area. The x-ray excitation beam is generated by an x-ray... | 11/01/2011 |
| 7929662 | Flow method and apparatus for screening chemicals using micro x-ray fluorescence Method and apparatus for screening chemicals using micro x-ray fluorescence. A method for screening a mixture of potential pharmaceutical chemicals for binding to at least one target binder involves flow separating a solution of chemicals and target binders into sep... | 04/19/2011 |
| 7729471 | Pre-filmed precision sample cell for x-ray analyzer A sample cell for an analysis instrument, having an outer body forming a sample reservoir therein; a directional fill valve disposed in an upper end of the outer body and forming an upper end of the sample reservoir, the fill valve for accepting a sample during fill... | 06/01/2010 |
| 7539282 | XRF analyzer A method of analyzing a fluid sample by XRF includes the steps of: depositing the fluid sample onto a substrate, exposing the sample and the substrate to an x-ray emission, generating a first analytical signal responsive to the x-ray emission, providing an operable ... | 05/26/2009 |
| 7519145 | Flow method and apparatus for screening chemicals using micro x-ray fluorescence Method and apparatus for screening chemicals using micro x-ray fluorescence. A method for screening a mixture of potential pharmaceutical chemicals for binding to at least one target binder involves flow-separating a solution of chemicals and target binders into sep... | 04/14/2009 |
| 7440541 | Dual source XRF system A dual source tube XRF system and method wherein a first x-ray source is employed to direct x-rays in a first energy band at a sample and at least a second x-ray source is employed to direct x-rays in a second energy band at the sample. A detector is responsive to x... | 10/21/2008 |
| 7432501 | Ionising particle analyser enabling for example the separation of the fluorescent yield (FY) and the total electron yield (TEY) in EXAPS (extended X-ray absorption fine structure) measurements An ionising particle analyser comprises a source of ionising particles, a charged particle detector, and an ionisable gas located between the source and the detector. The analyser further comprises a charged particle impeding device located between the source and th... | 10/07/2008 |
| 7382856 | X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereof An x-ray source assembly and method of operation are provided having enhanced output stability. The assembly includes an anode having a source spot upon which electrons impinge and a control system for controlling position of the anode source spot relative to an out... | 06/03/2008 |
| 7342995 | Apparatus for estimating specific polymer crystal A specific macromolecule crystal evaluating device according to the present invention is equipped with a sample detecting stage for detecting a protein crystal in a sample container, an X-ray measuring stage that is spaced from the sample detecting stage and carries... | 03/11/2008 |
| 7313220 | Design for realizing an online element analysis A device for realizing an online element analysis for a substance (S) that is conveyed past or flows past a measuring station is provided with a device for conveying the substance to be measured, a measuring station with an X-ray source (10), and an X-ray flu... | 12/25/2007 |
| 7298817 | Portable and on-line arsenic analyzer for drinking water An x-ray fluorescence technique for detecting the level of arsenic in a sample of water or body fluid. Arsenic and lead are expected to fluoresce in a first energy band and lead is expected to also fluoresce separately in a second energy band. An excitation path dir... | 11/20/2007 |
| 7289598 | X-ray fluorescent analysis apparatus The change in the sample size and a change in background intensity due to the coexisting element are measured in real time to thereby automatically change a measurement time, the detection lower limit is kept constant, so that a fluorescent X-ray apparatus is provid... | 10/30/2007 |
| 7286644 | Systems, methods and devices for x-ray device focal spot control Systems, methods and devices for implementing automatic control of focal spot Z axis positioning are disclosed for use with an x-ray device having an x-ray tube positioned within a housing and configured for thermal communication with a temperature control system. C... | 10/23/2007 |
| 7286633 | Fuel analysis system A fuel analysis system and method wherein an x-ray source emits x-rays at an energy level below but proximate the absorption edge of sulfur. A monochromator is in the optical path between the source and a fuel sample for directing x-rays at a single energy level at ... | 10/23/2007 |
| 7275415 | Particulate-based flow sensor A fluid conveyance apparatus having more than one particulate matter sensing probe situated at two or more locations on the apparatus. Signals from the probes from at least two locations may indicate particulate matter flowing within a fluid through the conveyance a... | 10/02/2007 |
| 7277527 | Moveable transparent barrier for x-ray analysis of a pressurized sample A technique is disclosed for presenting a sample to a radiation interface of an analysis engine employing x-ray, neutron ray, gamma ray or particle-beam radiation to analyze the sample. A protective barrier, transparent to the radiation, and separating the sample fr... | 10/02/2007 |
| 7266178 | Calibration source for X-ray detectors A method and device for calibrating the energy response of detectors of photons in the range from about 0.5 keV to at least 100 keV. The device makes use of the inherent property of a polarizable crystal such as a pyroelectric crystal to produce monoenergetic x-rays... | 09/04/2007 |
| 7266179 | X-ray radiator with collimated focal spot position detector An x-ray radiator with an anode accommodated in a housing such that it can rotate around an axis has a device for determination of the position of an x-ray-emitting focal spot on the anode. To increase the measurement precision, the device includes a collimator alig... | 09/04/2007 |
| 7259017 | Method of diagnosing lubricated portion and system of diagnosing lubricated portion The invention provides a method of diagnosing a lubricated portion which can precisely measure a metal concentration in a lubricating oil and can diagnose accurately a state of the lubricated portion on the basis of a value of measurement. In accordance with the pre... | 08/21/2007 |
| 7254212 | Particulate matter analyzer, collecting filter and system for analyzing and collecting samples from fluids A system, including a particulate matter analyzer and collecting filter, provides a method of analyzing and collecting samples from fluids, such as collecting particulate matter from air. A mass measuring unit and composition analyzing unit can be provided for eithe... | 08/07/2007 |
| 7241381 | Method and apparatus for detecting chemical binding The method for screening binding between a target binder and potential pharmaceutical chemicals involves sending a solution (preferably an aqueous solution) of the target binder through a conduit to a size exclusion filter, the target binder being too large to pass ... | 07/10/2007 |
| 7200200 | X-ray fluorescence measuring system and methods for trace elements An X-ray fluorescence measuring system and related measuring methods are disclosed, the system using X-ray energy at a level of less than 80 KeV may be directed toward a material, such as coal. The energy fluoresced may be detected (10) and used to measure th... | 04/03/2007 |
| 7184515 | Component specific machine wear determination with x-ray fluorescence spectrometry X-ray fluorescence analysis is used to determine wear of machine parts on a component-specific basis. The individual wetted wear surfaces of the machine are provided with a signature tagant composition, and as the components wear, the amounts of each tagant in the l... | 02/27/2007 |
| 7079621 | Vertical transmission diffraction analysis The present invention relates to a method for performing a transmission diffraction analysis of an analyte on a support surface, wherein the method comprises: irradiating said analyte with a radiation beam generated by a source of radiation, and detecting said radia... | 07/18/2006 |
| 7072439 | X-ray tube and method and apparatus for analyzing fluid streams using x-rays A technique for analyzing fluids by means of x-ray fluorescence applicable to any fluid, including liquids and gases, which emit x-ray fluorescence when exposed to x-rays. The apparatus includes an x-ray source (82) including an x-ray tube (64) having ... | 07/04/2006 |
| 7065174 | Measurement arrangement for X-ray fluoresence analysis A portable measurement apparatus is presented for inducing and measuring fluorescent X-ray radiation. It comprises an X-ray source (303, 902, 1005, 1105) adapted to controllably irradiate a sample (301, 803) with X-rays, and a detector (305, 406, 10... | 06/20/2006 |
| 7027147 | Method and apparatus for measuring the color properties of fluids An apparatus for inspection of fluids, particularly dispersions and tints, having a fluid analysis cell with a cavity enclosed by two light transmitting windows and having a spacer member fixedly positioned therebetween which provides a fluid analysis chamber of fix... | 04/11/2006 |
| 7016463 | Sample retainer for x-ray fluorescence analysis, x-ray fluorescence analyzing method using the same and x-ray fluorescence spectrometer therefor To provide a sample retainer for X-ray fluorescence analysis, which is used in pretreating a liquid sample and then in X-ray fluorescence analysis of contents of such liquid sample, can sufficiently improve the limit of detection by suppressing the background and, a... | 03/21/2006 |
| 7016462 | Ionic pre-concentration XRF identification and analysis device, system and method A device, system and method for detecting and measuring concentrations of elements in fluids comprises: flowing a fluid through a central flow interelectrode gap of an ionic preconcentration cell separating an upper high specific surface area electrode from a lower ... | 03/21/2006 |
| 6975894 | Digital topological analysis of trabecular bone MR images and prediction of osteoporosis fractures The invention provides method, system and device for determining trabecular bone structure and strength by digital topological analysis, and offers, for the first time, a demonstration of superior associations between vertebral deformity and a number of architectura... | 12/13/2005 |
| 6961122 | Measurement chamber with adjustable optical window A measurement chamber assembly for removing the effects of optical aberrations when a sample is irridated from light through optical windows it is provided. A housing member can support and receive a sample. One or more optical windows for viewing the sample and mor... | 11/01/2005 |
| 6956928 | Vertical small angle x-ray scattering system A small angle x-ray diffraction scattering system has a vertical orientation, allowing for simplified analysis of liquid samples. The system may function in a beam-up or a beam-down configuration. An x-ray source provides an initial x-ray beam that is directed verti... | 10/18/2005 |
| 6934359 | Wavelength dispersive XRF system using focusing optic for excitation and a focusing monochromator for collection X-ray fluorescence (XRF) spectroscopy systems and methods are provided. One system includes a source of x-ray radiation and an excitation optic disposed between the x-ray radiation source and the sample for collecting x-ray radiation from the source and focusing the... | 08/23/2005 |
| 6859517 | Dual x-ray fluorescence spectrometer and method for fluid analysis Disclosed are an X-ray fluorescence (SRF) spectrometer and method for on-site and in-line determination of contaminant elements in lubricating oils and in fuel oils on board a marine vessel. An XRF source block 13 contains two radionuclide sources 16, 17 | 02/22/2005 |
| 6668039 | Compact X-ray fluorescence spectrometer and method for fluid analysis An X-ray fluorescence device and method are disclosed. The device includes a source block containing an X-ray source, a substantially X-ray transparent fluid flow path through the source block and proximate the X-ray source, and an X-ray detector separate... | 12/23/2003 |
| 6630307 | Method of detecting an analyte in a sample using semiconductor nanocrystals as a detectable label The use of semiconductor nanocrystals as detectable labels in various chemical and biological applications is disclosed. The methods find use for detecting a single analyte, as well as multiple analytes by using more than one semiconductor nanocrystal as ... | 10/07/2003 |
| 6477227 | Methods for identification and verification An apparatus and method in which one or more taggants that are intrinsically located--or extrinsically placed--in an article or product, such as carpet. The taggants are detected by x-ray fluorescence analysis to identify or verify the article or its poin... | 11/05/2002 |
| 6335959 | Apparatus and method for determining oil well effluent characteristics for inhomogeneous flow conditions An apparatus and method for determining the phase volume fractions for a multiphase oil well effluent is disclosed. The apparatus measures multiple energy gamma ray attenuations through the effluent mixture, and the method determines the phase volume frac... | 01/01/2002 |
| 6326144 | Biological applications of quantum dots The present invention provides a composition comprising fluorescent semiconductor nanocrystals associated to a compound, wherein the nanocrystals have a characteristic spectral emission, wherein said spectral emission is tunable to a desired wavelength by... | 12/04/2001 |
| 6306610 | Biological applications of quantum dots The present invention provides a composition comprising fluorescent semiconductor nanocrystals associated to a compound, wherein the nanocrystals have a characteristic spectral emission, wherein said spectral emission is tunable to a desired wavelength by... | 10/23/2001 |
