| PerkinElmer LAS, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120069867 | SENSOR FOR THERMAL ANALYSIS AND SYSTEMS INCLUDING SAME - Certain embodiments disclosed herein are directed to a sensor comprising a support member, a sample sensor coupled to the support member and comprising a sample support electrically coupled to a first set of interconnects, and a reference sensor coupled to the support member and comprising a ring coupled to a second set of interconnects, in which the ring is positioned adjacent to and surrounding at least a portion of the sample support of the sample sensor. | 03-22-2012 |
| 20110300564 | DIAGNOSIS OF PRE-ECLAMPSIA - The present invention relates to a method of predicting pre-eclampsia (PE). The present invention also relates to a diagnostic kit for performing a method of predicting PE. In particular, the method determining the level of two or more markers selected from placenta growth factor (PlGF), plasminogen activator inhibitor-1 (PAI-1), plasminogen activator inhibitor-2 (PAI-2) and leptin. | 12-08-2011 |
| 20100173315 | Assay Particles and Methods of Use - The invention provides assay particles useful, for example, for detecting analytes and binding molecule interactions. One type of assay particle includes a core portion encased by a shell portion, wherein the shell portion comprises an inorganic phosphor that binds selectively to a target molecule. Another type of an assay particle includes a core portion encased by a shell portion, and a coat portion covering the shell portion, wherein the coat portion comprises an inorganic phosphor that binds selectively to a target molecule. A further type of assay particle includes a core portion encased by a shell portion, and a coat portion covering the shell portion, wherein the coat portion comprises an inorganic phosphor and a target selective binding moiety, and wherein the assay particle is buoyant in aqueous media. An additional type of assay particle includes a core portion encased by a shell portion, and a coat portion covering the shell portion, wherein the shell portion comprises an inorganic phosphor and the coat portion comprises a target selective binding moiety, and wherein the assay particle is buoyant in aqueous media. Also provided are kits and related methods. | 07-08-2010 |
| 20100055680 | GENOMIC DNA LABELING AND AMPLIFICATION - Methods of amplifying genomic DNA are provided which include contacting template genomic DNA, a plurality of random primers, and a DNA polymerase, wherein the ratio of template genomic DNA to random primers is in the range of about 1:10-1:35,000,000 (w/w), inclusive, to produce a reaction mixture; and incubating the reaction mixture under isothermal conditions suitable for DNA synthesis, thereby producing amplified genomic DNA characterized by less than 10 percent gene copy number error. The template genomic DNA used in described methods can be in denatured condition and/or in non-denatured condition to achieve production of amplified genomic DNA characterized by less than 10 percent gene copy number error. In a particular option, the reaction mixture includes detectably labeled nucleotides and detectably labeled amplified genomic DNA characterized by less than 10 percent gene copy number error is produced. | 03-04-2010 |
| 20090323072 | Measurement of Sample Reflectance - An accessory for a spectrometer for carrying out measurements of specular reflectance of a sample. The accessory is designed so that all components can be located in a housing and the sample can be located horizontally on a top-plate of the housing with the components disposed below the plane of that plate. | 12-31-2009 |
| 20090148841 | MULTIPLEXED GENOMIC GAIN AND LOSS ASSAYS - Encoded bead multiplex assays for chromosomal gains and losses are provided that provide the benefits of complex, large template DNA sources, such as BAC DNA, as the probe material without bead networking or other assay performance problems. Reagents for assaying DNA are described herein which include a plurality of encoded particles having attached amplicons amplified from a template DNA sequence. Each individual attached amplicon includes a nucleic acid sequence identical to a random portion of the template DNA sequence, wherein the amplicons together represent substantially the entire template DNA and wherein the nucleic acid sequence identical to a random portion of the template DNA sequence of each individual amplicon is shorter than the entire template DNA. | 06-11-2009 |
| 20090133511 | FLUID HANDLING DEVICE WITH ULTRASOUND SENSOR AND METHODS AND SYSTEMS USING SAME - A device comprising a sampling probe configured to sample a fluid, and an ultrasound sensor coupled to the sampling probe and configured to transmit and receive ultrasound energy, the ultrasound sensor further configured to generate a first signal by receiving ultrasound energy reflected from a fluid surface of the fluid is provided. Fluid handling systems and methods of using the fluid handling devices and systems are also disclosed. | 05-28-2009 |
| 20090111137 | SIMULTANEOUS DETECTION OF METABOLIC ENZYME ACTIVITY AND METABOLITE LEVELS - Provided are methods for detecting a metabolic disorder in an individual using mass spectrometry. One method involves (a) contacting a sample containing (i) one or more metabolically indicative enzymes and (ii) one or more metabolic analytes, with one or more substrates for said one or more enzymes to produce a reaction admixture, under conditions wherein at least one of said enzymes is capable of acting on a corresponding substrate to generate at least one product, and wherein one or more protease inhibitors are present; (b) contacting said reaction admixture with a reagent that inhibits the ability of said one or more enzymes to act on a corresponding substrate, wherein said one or more metabolic analytes and said at least one product are soluble in said reagent; to produce a test sample and (c) determining the presence or amount of said one or more metabolic analytes and said at least one product contained in said test sample using mass spectrometry, wherein a determined presence or amount of said one or more metabolic analytes and said at least one product correlates with presence or absence of said metabolic disorder product correlates with presence or absence of said metabolic disorder. | 04-30-2009 |
| 20090104613 | METHODS AND COMPOSITIONS RELATING TO MULTIPLEXED GENOMIC GAIN AND LOSS ASSAYS - Compositions and methods are provided for detecting genomic DNA gain and loss. Embodiments of inventive assays include using a substrate-attached composite nucleic acid probe which specifically hybridizes to two or more genomic loci in a genomic region of a reference genome. The genomic region is characterized by a first terminus and a second terminus and has an intermediate region disposed between the first terminus and second terminus of at least 400 kilobases. The composite nucleic acid probe includes nucleic acid sequences which specifically hybridize to substantially an entire first genomic locus including the first terminus and to substantially an entire second genomic locus including the second terminus. Methods and compositions are provided which include assessment of two or more genomic DNA references. | 04-23-2009 |
| 20090052494 | SENSOR FOR THERMAL ANALYSIS AND SYSTEMS INCLUDING SAME - Certain embodiments disclosed herein are directed to a sensor comprising a support member, a sample sensor coupled to the support member and comprising a sample support electrically coupled to a first set of interconnects, and a reference sensor coupled to the support member and comprising a ring coupled to a second set of interconnects, in which the ring is positioned adjacent to and surrounding at least a portion of the sample support of the sample sensor. | 02-26-2009 |
| 20090015430 | METHODS AND SYSTEMS FOR LOCATING AND IDENTIFYING LABWARE RADIO-FREQUENCY IDENTIFICATION TAGS - Methods and systems for automatically locating and identifying labware using radio-frequency identification (RFID) tags are described herein. The methods and systems include a plurality of RFID tags (pre-programmed with unique data codes) that are associated with labware (or labware holders). For example, the RFID tags can be embedded within the locating pegs of the labware (or labware holders). The methods and systems also include a plurality of RFID tag readers that mount near known locations of an instrument deck which receives the labware. The RFID tag readers automatically scan for the presence of RFID tags such that when a piece of labware is added to the instrument deck, and then report to a processing device the specific known location on deck where each tag was found, as well as the unique data code of each tag. Using this information, the methods and systems determine one or more of the location, orientation, and identity of the received labware. | 01-15-2009 |
| 20090011429 | Diagnosis of Pre-Eclampsia - The present invention relates to a method of predicting pre-eclampsia (PE). The present invention also relates to a diagnostic kit for performing a method of predicting PE. In particular, the method determining the level of two or more markers selected from placenta growth factor (P1GF), plasminogen activator inhibitor-1 (PAI-1), plasminogen activator inhibitor-2 (PAI-2) and leptin. | 01-08-2009 |
| 20090010810 | PRECISION LIQUID DISPENSING SYSTEM - A system for dispensing microdrops of reagent in small, precisely metered quantities maintains the fluid reagent to be dispensed in a reservoir under a controlled pressure. The reagent is dispensed through multiple nozzles connected to solenoid-actuated valves that control the flow of the reagent from the reservoir to the nozzles. Each valve is connected to one of the nozzles and electrical pulses are supplied separately to each of the valves to separately control the opening and closing of each valve to dispense predetermined quantities of the reagent through each nozzle at predetermined times. | 01-08-2009 |
| 20080293158 | Method And Apparatus For Improved Gas Detection - The invention relates to a method and apparatus for providing a reactor having a heater, a passage for transporting a reactant, and a chamber containing a gas sample and being coupled to the passage for receiving the reactant and mixing the reactant with the gas sample. The reactor further includes a connector leading from the chamber to the heater for transporting a mixture of the reactant and gas sample, and wherein the heater heats the mixture of the reactant and gas sample. | 11-27-2008 |
| 20080289962 | ELECTROCHEMICAL SENSOR WITH DRY IONOMER MEMBRANE - A miniaturized gas sensor comprised of film type electrodes, on a non-conductive supportive substrate, and in contact with a dry ionomer electrolyte, for detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases and vapors and method of making same is described. The all-solid planar sensor cell has two or more film type electrodes arranged on a non-conductive planar surface of a supportive substrate. Manufacturing the electrochemical sensor with dry ionomer prevents electrode flooding and allows for improved response time upon assembly. The sensor cell contains no liquid electrolyte and is operated in a constant-voltage, potentiostatic or potentiodynamic mode. A high sensitivity to a select gas or vapor is achieved by a three-phase contact area design for a sensing electrode, which provides contact with the solid ionomer electrolyte, as well as the gas sample via diffusion openings or holes that penetrate through the supportive substrate. | 11-27-2008 |
| 20080286814 | Biomarkers for Detecting Cancer - The disclosure features, inter alia, a variety of biomarkers (e.g., biomarker peptides), compositions, and kits for use in methods for diagnosing a cancer. The biomarkers can be used, e.g., in methods for detecting a cancer in a subject. In addition, the disclosure also features methods of selecting a therapy for, and/or administering a therapy (e.g., a therapy comprising an anti-cancer agent) to, a subject having a cancer. | 11-20-2008 |
| 20080274563 | DETECTING SUCCINYLACETONE - This invention relates, inter alia, to detecting and/or measuring succinylacetone and one or more additional biological analytes using mass spectrometry. | 11-06-2008 |
| 20080274561 | METHOD AND APPARATUS FOR DETERMINING A TOTAL CONCENTRATION OF A COMPONENT IN A MIXTURE OF COMPONENTS - The invention relates to a method and apparatus for determining a total concentration of a component in a sample, including a reactor for oxidizing or reducing the sample, a chromatographic column coupled to the reactor for separating the component in the sample, and an electrochemical gas sensor coupled to the chromatographic column for detecting the component. In further embodiments, a filter may be used instead of or in addition to the column. Moreover, multiple sensors may be used instead of or in addition to the column for simultaneously detecting multiple components. | 11-06-2008 |
| 20080274556 | DETECTING ISOMERS USING DIFFERENTIAL DERIVATIZATION MASS SPECTROMETRY - Methods of evaluating molecular isomers of branched-chain amino acids are featured. The methods can include: derivatizing one or more molecular isomers of branched-chain amino acids in a sample comprising a branched-chain amino acid labeled with one or more heavy atoms as a first standard; adding, to the sample, after derivatization, a nonderivatized or derivatized branched chain amino acid that is labeled with one or more heavy atoms, as a second standard; evaluating the sample using tandem mass spectrometry; and detecting peaks indicative of derivatized and nonderivatized forms of one or more branched-chain amino acids in the sample. | 11-06-2008 |
| 20080264789 | Film-Type Solid Polymer Ionomer Sensor And Sensor Cell - A miniaturized gas sensor including film type electrodes, and a solid ionomer electrolyte, for the detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases and vapors is described. The all-solid planar sensor cell has two or more film type electrodes arranged on a non-conductive planar surface of a supportive material. The electrodes are discrete and in intimate contact with the same solid polymer ionomer membrane. The sensor cell contains no liquid electrolyte and is operated in a potentiostatic or potentiodynamic mode. The unique feature of the sensor cell is that high sensitivity to a select gas or vapor is achieved by a novel three-phase contact area design for a sensing electrode which is easily accessible to the gas sample via small diffusion openings or holes that penetrate through the solid polymer ionomer membrane layer above the sensing electrode. A significant signal to background noise enhancement is achieved for these film type sensor cells by processes that increase the three-phase contact area | 10-30-2008 |
| 20080261321 | Methods and Compositions for Detecting and Isolating Phosphorylated Molecules Using Hydrated Metal Oxides - The invention provides methods for detecting and isolating phosphomolecules using phosphoaffinity materials that comprise a hydrated metal oxide. In an embodiment, a method for detecting a phosphomolecule in a sample involves (a) contacting a sample with a phosphoaffinity material comprising a hydrated metal oxide, under conditions wherein a phosphomolecule is capable of binding to the phosphoaffinity material to form a phosphomolecule-phosphoaffinity material complex, and (b) detecting formation of a phosphomolecule-phosphoaffinity material complex, thereby detecting a phosphomolecule in the sample. In another embodiment, a method for isolating a phosphomolecule from a sample involves (a) contacting a sample with a phosphoaffinity material comprising a hydrated metal oxide, under conditions wherein a phosphomolecule is capable of binding to the phosphoaffinity material to form a phosphomolecule-phosphoaffinity material complex, wherein the hydrated metal oxide comprises yttrium, and (b) separating the phosphomolecule-phosphoaffinity material complex from the sample, thereby isolating the phosphomolecule from the sample. | 10-23-2008 |
| 20080261239 | DETECTING MOLECULAR INTERACTIONS - The present disclosure features a variety of compositions, kits, and methods that are useful for, inter alia, detecting and/or analyzing an interaction between two molecules, a target molecule and a target-specific binding agent which can be, e.g., proteins, nucleic acids, saccharides or polysaccharides, small molecules, or combinations of any of the foregoing. The compositions, kits, and methods can also be used, e.g., to detect the presence or absence of an enzymatic activity (e.g., a kinase activity, a protease activity, or a phosphatase activity) in a sample; to identify a compound that modulates an interaction between two molecules; or to identify compounds that modulate the activity of an enzyme. | 10-23-2008 |
