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| Number | Title | Issue Date |
| 8187885 | Microbead kit and method for quantitative calibration and performance monitoring of a fluorescence instrument Fluorescently labeled microsphere calibration and quality control particles for use in establishing standardized fluorescence detector setup, monitoring daily QC of flow cytometers and quantitative calibration of the fluorescence detectors in traceable units of meas... | 05/29/2012 |
| 8173430 | Simulant material and method for manufacture thereof Provided is a simulant material for simulating hazardous materials, including a quantity of at least one explosive material and at least one inert material. The simulant material is a non-explosive material and is in the form of a homogenous, flexible and non-partic... | 05/08/2012 |
| 8148156 | Synthetic urine and method for manufacturing synthetic urine A synthetic urine solution is described. The synthetic urine solution is a shelf stable, food grade composition formed of water having a pH between 3 and 10. A thickening agent is dissolved within the water to form a solution having a specific gravity between 1.025 ... | 04/03/2012 |
| 8101413 | Auto-calibration circuit for analyte measurement Embodiments provide expanded ability to communicate calibration information to diagnostic systems for determining a characteristic of a test sample. An example system for determining a characteristic of a test sample includes: a test sensor for receiving a test samp... | 01/24/2012 |
| 8097461 | Interference control panel for evaluation of analytical assays for samples derived from blood The invention relates to quality control of analytical assays, particularly NAT assays of blood samples containing nucleic acids. A control panel containing quantified amounts of substances known to interfere with an analytical assay is used and compared with a refe... | 01/17/2012 |
| 8084260 | Spectral calibration method and system for multiple instruments Implementations of the present invention describe an apparatus for generating calibration factors for a spectral detector instrument. The calibration factors are derived from a calibration plate containing one or more spectral species in each well of the calibration... | 12/27/2011 |
| 7985589 | Quantification of analytes using accelerator mass spectrometry The invention provides a calibrating method for use in a method of determining the quantity of an analyte labeled with an accelerator mass spectrometry (AMS) isotope in a test sample. The samples can include, for example, urine, faeces, plasma or blood. The analyte ... | 07/26/2011 |
| 7981678 | System and method for automatic calibration A device includes a sensor array and a processor is automatically calibrated. The sensor array collects data from a pattern using at least one of a capacitive measurement and a radio frequency measurement. The pattern is included on a calibration storage device. The... | 07/19/2011 |
| 7960177 | Set of calibration standards A standard calibration set having at least three calibration standards. Each standard is a molded article made of a thermoplastic polymer which contains the elements Cd, Cr, Pb, Hg and Br, with the Cr:Pb:Hg:Br:Cd ratio being different in each of the three calibratio... | 06/14/2011 |
| 7947502 | Method and kit for calibrating a photoluminescence measurement system The invention is directed to a method and a kit for calibrating a photoluminescence measurement system, in particular a fluorescence measurement system. The kit includes a number of fluorescence standards i and their corrected and certified fluorescence spectra I | 05/24/2011 |
| 7932089 | Simultant material and method for manufacture thereof A simulant material for simulating hazardous materials is provided. The simulant material includes a quantity of at least one explosive material and at least one inert material. The simulant material is a non-explosive material and is in the form of a homogenous, fl... | 04/26/2011 |
| 7888125 | Calibration of fluidic devices The present invention provides methods of calibrating a fluidic device useful for detecting an analyte of interest in a bodily fluid. The invention also provides methods for assessing the reliability of an assay for an analyte in a bodily fluid with the use of a flu... | 02/15/2011 |
| 7879612 | Organic non-sugar compounds for protection of biologically active molecules and conjugate labels and methods of use thereof Provided are methods comprising the use of non-sugar organic compatible solutes for protection and preservation of the activity of biologically active molecules and conjugate labels. The methods are particularly adaptable for use in conjunction with immunoassays, su... | 02/01/2011 |
| 7871821 | Artificial testing soil and method of testing An artificial test soil comprises particulate, hair, and fiber components, wherein said particulate component consists of mineral, food, and plant materials, so chosen and proportioned as to correlate to a typical soil found in the home. The test soil may be used to... | 01/18/2011 |
| 7790461 | Nano-emulsion technology for drug elution Embodiments of the invention provide to apparatuses and media used in drug elution studies and methods for making and using them. One embodiment of the invention is a drug elution method that can be used for in-vitro studies of a matrix impregnated with a compound s... | 09/07/2010 |
| 7776606 | Processes to create discrete corrosion defects on substrates and establish corrosion NDI test standards Methods and apparatuses are provided for creation of discrete corrosion defects with a wide range of diameter to depth aspect ratios for painted test standards. Also provided are methods for use of those test standards to characterize the corrosion under paint detec... | 08/17/2010 |
| 7776605 | Assay for cardiac troponin autoantibodies The invention provides among other things methods and kits based on assaying for cardiac troponin autoantibodies, either in conjunction with an assay for cardiac troponin and/or as an independent indicator of cardiac pathology, such as myocarditis, cardiomyopathy, a... | 08/17/2010 |
| 7732210 | Multi-analyte reference solutions The present invention provides a reference solution for use in instruments that determine hematocrit levels in biological samples by measuring the resistance and/or conductivity of the biological samples. A reference solution according to the invention achieves cond... | 06/08/2010 |
| 7713741 | Method and kit for calibrating a photoluminescence measurement The invention is directed to a method and a kit for calibrating a photoluminescence measurement system, in particular a fluorescence measurement system. The kit includes a number of fluorescence standards i and their corrected and certified fluorescence spectra I | 05/11/2010 |
| 7691633 | Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same Polymer fractions such as polyethylene fractions can be produced that have a PDI less than about 2.3 and a Mw greater than about 1,000,000 g/mol, 3,000,000 g/mol, or 6,000,000 g/mol. Such polyethylene fractions are separated from a UHMWPE parent polymer b... | 04/06/2010 |
| 7678574 | Sensitivity controls for blood serology prepared from modified cells The invention provides for a process for preparing a sensitivity control for blood group determination including dissolving an amount of an antigen in water to give an antigen solution of known concentration, contacting the antigen solution with cells to allow inser... | 03/16/2010 |
| 7601539 | Standard material for particle analyzer A standard material that is used for judging an abnormal portion in a particle analyzer is described. The standard material comprises first standard particles to be fluorescence-stained by a fluorescence-staining treatment and second standard particles that have pre... | 10/13/2009 |
| 7550297 | Synthetic iron oxides and their use as an indicator of reduction in soils (IRIS) The present invention present invention relates to improved IRIS Fe oxide paint compositions, to the dried (or cured) residue of such paints, and to devices upon which such paint compositions have been applied (IRIS devices) used to assess reducing conditions in soi... | 06/23/2009 |
| 7491540 | Assay buffer, compositions containing the same, and methods of using the same Compositions, reagents, kits, systems, system components, and methods for performing assays. More particularly, the invention relates to the use of novel combinations of reagents to provide improved assay performance. ... | 02/17/2009 |
| 7462488 | Tissue mimicking elastography phantoms Tissue mimicking materials for elastography phantoms have elastic, ultrasound, and magnetic resonance characteristics that are characteristic of human soft tissues and well suited for the calibration and performance assessment of elastography imaging systems. In one... | 12/09/2008 |
| 7435602 | Reducing effects of spectral nonuniformity Method and system providing calibration of light detected from biological samples with a correction factor including components for each of a plurality of spectrally distinguishable species and/or for each well and/or for each filter. ... | 10/14/2008 |
| 7432105 | Self-calibration system for a magnetic binding assay A self-calibrated, magnetic binding assay (e.g., sandwich, competitive, etc.) for detecting the presence or quantity of an analyte residing in a test sample is provided. The magnetic binding assay includes detection probes capable of generating a detection signal (e... | 10/07/2008 |
| 7425254 | Fractionation of macro-molecules using asymmetric pulsed field electrophoresis A method and apparatus for fractionation of charged macro-molecules such as DNA is provided. DNA solution is loaded into a matrix including an array of obstacles. An alternating electric field having two different fields at different orientations is applied. The alt... | 09/16/2008 |
| 7422903 | Multi-analyte reference solutions The present invention provides a reference solution for use in instruments that determine hematocrit levels in biological samples by measuring the resistance and/or conductivity of the biological samples. A reference solution according to the invention achieves cond... | 09/09/2008 |
| 7419831 | Method and apparatus for determination of water and for normal phase liquid chromatography A method for calibrating an analysis instrument, e.g., a gas chromatograph, for water analysis that includes four steps. The first step is to continuously remove water from a liquid that contains water to produce a liquid containing a reduced amount of water such as... | 09/02/2008 |
| 7417726 | Normalization of data using controls An apparatus for normalizing a PCR instrument, can comprise a microplate comprising at least 6,000 wells and a system of dyes at known concentrations in a plurality of the at least 6,000 wells. A method for normalizing a system can comprise (a) providing a microplat... | 08/26/2008 |
| 7416891 | Reagent and method for classifying leucocytes A reagent for classifying leucocytes, including: a) at least one of surfactant selected from a cationic surfactant, an amphoteric surfactant, and the combination thereof; b) an organic compound having phenyl or heterocyclic group, wherein when the surfactant is a ca... | 08/26/2008 |
| 7413905 | Reagents and methods for classifying leukocytes The present invention relates to a reagent for classifying leukocytes including (a) at least one surfactant capable of lysing erythrocytes and partly damaging the cell membrane of leukocytes, (b) at least one organic compound bearing an anionic group capable of bind... | 08/19/2008 |
| 7407626 | Composition and method of use of medical test kit A medical test kit includes a glucose testing composition, a protein testing composition, a bilirubin testing composition, a bilinogen testing composition, an amylase testing composition, a blood testing composition, a calcium testing composition, a nitrite testing ... | 08/05/2008 |
| 7405082 | Methods and devices for measuring reticulocytes Methods and devices are described for monitoring a therapeutic effect in a red blood cell-related disease by detecting the size of a reticulocyte using a full-automatic blood cell counting device. ... | 07/29/2008 |
| 7393688 | Method of using a hematology reference control for measurement of immature granulocytes A method of using a reference control for measurement of immature granulocytes on a blood analyzer is disclosed. The method includes analyzing a reference control that contains an immature granulocyte component made of processed red blood cells for simulating immatu... | 07/01/2008 |
| 7390663 | Process, composition and kit for providing a stable whole blood calibrator/control The present invention is directed toward a stable calibrator and/or control, kit and process for using in a glucose monitoring instrumentation. Principally, the instant invention teaches a glycolyzed red blood cell component which has been treated with a glycolysis ... | 06/24/2008 |
| 7390346 | System and apparatus for producing primary standard gas mixtures Provided is a novel system and apparatus for producing primary standard gas mixtures. The system includes providing a gas permeation device having a constant diffusion rate into a temperature controlled enclosure; connecting a supply source of a component to the per... | 06/24/2008 |
| 7390662 | Method and apparatus for performing platelet measurement The present invention relates to a hematology instrument system that discriminates platelets from red blood cells, debris and other particles within a blood sample. The instrument system uses an optical trigger and collects data at optical sensor locations relative ... | 06/24/2008 |
| 7381564 | Method of calibrating the zero point of an apparatus used to determine a quantity of silica using a colorimetric method A method of calibrating the zero point of an apparatus which is used to determine the quantity of silica contained in a silica solution sample to be analysed, using a colorometric method. The colorometric method used by the apparatus consists of successively introdu... | 06/03/2008 |
