APPLIED BIOSYSTEMS INC. Patent applications |
Patent application number | Title | Published |
20100112557 | METHOD FOR HIGH RESOLUTION MELT GENOTYPING - Various methods are described that provide for high resolution melt (HRM) genotyping. The embodiments include providing a locus specific primer and two allele specific primers each having a 5′ end with a short tail, providing a nucleic acid having a single nucleotide polymorphism (SNP) base located within 1-20 base pairs of the 3′ end of nucleic acid, hybridizing the locus specific primer and the allele specific primers to the nucleic acid, amplifying the sample using pyrophosphorolysis activated polymerization (PAP) PCR enzyme, and determining the Tm of the amplicons using HRM. In other embodiments, reactions mixtures and kits for HRM genotyping are provided and disclosed. These kits comprise a locus specific primer, one or more allele specific primers each having a 5′ end with a short tail, a nucleic acid, and a pyrophosphorolysis activate polymerization (PAP) PCR enzyme. | 05-06-2010 |
20100094563 | System and Method for Consensus-Calling with Per-Base Quality Values for Sample Assemblies - The present teachings disclose a method for evaluation of a polynucleotide sequence using a consensus-based analysis approach. The sequence analysis method utilizes quality values for a plurality of aligned sequence fragments to identify consensus basecalls and calculate associated consensus quality values. The disclosed method is applicable to resolution of single nucleotide polymorphisms, mixed-based sequences, heterozygous allelic variants, and heterogeneous polynucleotide samples. | 04-15-2010 |
20100078551 | Method, System And Apparatus For Multiplexing Ions In MSn Mass Spectrometry Analysis - A method and apparatus for multiplexing ions in an MSn mass spectrometer is provided. Ion are filtered to produce a group of ions of interest, the group of ions below a space charge limit of the MSn mass spectrometer. At least a portion of the group of ions are fragmented to form a fragmented group of ions. At least a portion of the fragmented group are stored such that a plurality of portions of the fragmented group can be sequentially selected for mass spectrometry analysis. Each of the plurality of portions of the fragmented group are sequentially selected and re-fragmented prior to mass spectrometry analysis. Each of the plurality of portions of the fragmented group are analyzed, via mass spectrometry, once each of the plurality of portions of the fragmented group has been fragmented. | 04-01-2010 |
20090305433 | Water-Soluble Rhodamine Dye Conjugates - The present invention provides novel, water-soluble, red-emitting fluorescent rhodamine dyes and red-emitting fluorescent energy-transfer dye pairs, as well as labeled conjugates comprising the same and methods for their use. The dyes, energy-transfer dye pairs and labeled conjugates are useful in a variety of aqueous-based applications, particularly in assays involving staining of cells, protein binding, and/or analysis of nucleic acids, such as hybridization assays and nucleic acid sequencing. | 12-10-2009 |
20090263797 | REVERSIBLE DI-NUCLEOTIDE TERMINATOR SEQUENCING - The present teachings provide methods, compositions, and kits for synthesizing and sequencing nucleic acids. In some embodiments, reversible di-nucleotide compounds are employed along with cleaving reactions that remove a label and a blocking moiety. Improved sequencing efficiency is achieved by the rapid polymerase-mediated incorporation of reversible di-nucleotide compounds. In some embodiments, the di-nucleotides do not contain conventional nucleotide triphosphates, but rather employ amino acid phosphoramidate nucleotides (AAPNs). | 10-22-2009 |
20090258351 | Methods and Reagents for Combined PCR Amplification - An oligonucleotide probe is disclosed, the probe including an oligonucleotide, a fluorescer molecule attached to a first end of the oligonucleotide and a quencher molecule attached to the opposite end of the oligonucleotide. The probe is rendered impervious to digestion by the 5′→3′ exonuclease activity of a polymerase and the 5′→3′ extension of by a polymerase. The invention also includes methods for performing combined PCR amplification and hybridization probing, one such method including the steps of contacting a target nucleic acid sequence with PCR reagents and an oligonucleotide probe as described above, and subjecting these reagents to thermal cycling. One preferred refinement of the above method further includes the addition of a strand displacer to facilitate amplification. Additional similar combined PCR hybridization methods are disclosed, such methods not requiring probes having their 5′ ends protected, wherein (i) the polymerase lacks 5′→3′ exonuclease activity, (ii) a 5′→3′ exonuclease inhibitor is included, and (iii) an exonuclease deactivation step is performed. | 10-15-2009 |
20090209008 | THERMUS THERMOPHILUS NUCLEIC ACID POLYMERASES - The invention provides novel nucleic acid polymerases from strains GK24 and RQ-1 of | 08-20-2009 |
20090191553 | Chase Ligation Sequencing - In various embodiments, the present teachings provide sequencing methods which facilitate enhancing the efficiency of ligation and/or increasing sequencing reads. Various embodiments of the methods enable sequencing through template regions for which complementary labeled extension probes are unavailable or insufficient. In various embodiments, one or more rounds of ligation with unlabeled extension probes can be used in addition to a round of ligation with labeled extension probe. In various embodiments, for example, such methods can facilitate extension on template polynucleotides that do not bind labeled extension probe in the first round of ligation. | 07-30-2009 |
20090181385 | Reagents, methods, and libraries for bead-based sequencing - The present invention provides methods for determining a nucleic acid sequence by performing successive cycles of duplex extension along a single stranded template. The cycles comprise steps of extension, ligation, and, preferably, cleavage. In certain embodiments the methods make use of extension probes containing phosphorothiolate linkages and employ agents appropriate to cleave such linkages. The invention provides methods of determining information about a sequence using at least two distinguishably labeled probe families. In certain embodiments the methods acquire less than 2 bits of information from each of a plurality of nucleotides in the template in each cycle. In certain embodiments the sequencing reactions are performed on templates attached to immobilized beads. The invention further provides sets of labeled probes containing phosphorothiolate linkages. In addition, the invention includes performing multiple sequencing reactions on a single template by removing initializing oligonucleotides and extended strands and performing subsequent reactions using different initializing oligonucleotides. | 07-16-2009 |
20090172899 | PHENYL XANTHENE DYES - Fluorescent phenyl xanthene dyes are described that comprise any fluorescein, rhodamine or rhodol comprising a particular C9 phenyl ring. One or both of the ortho groups on the lower C9 phenyl ring is ortho substituted with a group selected from alkyl, heteroalkyl, alkoxy, halo, haloalkyl, amino, mercapto, alkylthio, cyano, isocyano, cyanato, mercaptocyanato, nitroso, nitro, azido, sulfeno, sulfinyl, and sulfino. In one embodiment, halo and/or hydroxy groups are used. Optimal dyes contain a lower C9 phenyl ring in which both ortho groups are the same and the lower ring exhibits some form a symmetry relative to an imaginary axis running from the phenyl rings point of attachment to the remainder of the xanthene dye through a point para to the point of attachment. The phenyl xanthene dyes may be activated. Furthermore, the phenyl xanthene dyes may be conjugated to one or more substances including other dyes. The phenyl xanthene dyes are useful for a number of purposes, including labels for use in automated DNA sequencing as well the formation of fluorescent “bar codes” for polymeric particles used in the multiplexed analysis of analytes. | 07-09-2009 |
20090171078 | METHOD OF SEQUENCING NUCLEIC ACIDS USING ELABORATED NUCLEOTIDE PHOSPHOROTIOLATE COMPOUNDS - The present teachings provide methods, compositions, and kits for synthesizing and sequencing nucleic acids. In some embodiments, elaborated nucleotide phosphorothiolate compounds are employed along with efficient cleaving reactions. Improved sequencing efficiency is achieved by the rapid polymerase-mediated incorporation of elaborated nucleotide phosphorothiolate compounds. Increased sequencing efficiency is also achieved by the ability of the cleaving reactions to restore the incorporated nucleotides to their natural structure prior to subsequent elongation. | 07-02-2009 |
20090166534 | METHOD AND APPARATUS FOR REDUCING SPACE CHARGE IN AN ION TRAP - Ion trap apparatus and methods for efficiently addressing the effects of charge space caused by ion trap overfilling, useful in linear ion traps of mass spectrometers. | 07-02-2009 |
20090155765 | Thermal cycler for automatic performance of the polymerase chain reaction with close temperature control - A thermal cycler for automatic performance of the polymerase chain reaction is provided. The thermal cycler comprises a heater control that provides close temperature control of the reaction. | 06-18-2009 |
20090148846 | Modified Oligonucleotides and Applications Thereof - Disclosed, among other things, are primers containing certain modified nucleobases in the 3′ terminal region of the primers that provide reduced formation of primer-dimers during amplification reactions, and various methods of use thereof. | 06-11-2009 |
20090142772 | Devices and Methods for the Detection of Analytes - System and methods for detecting analytes such as pathogenic cells are described. The methods allow for the direct measurement of analytes such as pathogenic organisms without the need for sample preparation and/or PCR. The devices can be used individually as point-of-use sensors for airborne pathogens and other pathogenic organisms in foods and agriculture products. | 06-04-2009 |
20090142764 | Methods and Kits for Multiplex Amplification of Short Tandem Repeat Loci - Methods and materials are disclosed for use in simultaneously amplifying at least 11 specific STR loci of genomic DNA in a single multiplex reaction, as are methods and materials for use in the analysis of the products of such reactions. Included in the present invention are materials and methods for the simultaneous amplification of 16 specific loci in a single multiplex reaction, comprising the 10 AmpFISTR® SGMplus® STR loci, the Amelogenin locus, and 5 new STR loci, including methods and materials for the analysis of these loci. | 06-04-2009 |
20090140139 | SYSTEMS AND METHODS FOR ANALYZING SUBSTANCES USING A MASS SPECTROMETER - Systems and methods for analyzing compounds in a sample. In one embodiment, the present technology is directed towards a method of analyzing a sample, comprising: emitting ions from the sample; selecting the emitted ions for a designated ion; fragmenting the designated ions; scanning for a plurality of designated ion fragments; determining a designated fragment chromatographic trace for each designated ion fragment; and generating a combined chromatographic trace corresponding to a non-linear combination of a plurality of designated fragment chromatographic traces. | 06-04-2009 |
20090140128 | Methods, systems and apparatus for light concentrating mechanisms - An embodiment relates generally to resonant structure. The resonant structure includes a substrate and a nano-bowtie antenna deposited over the substrate. The resonant structure also includes an enclosure deposited over the substrate and surrounding the nano-bowtie antenna, where the enclosure is configured to raise an enhancement level in the nano-bowtie antenna. | 06-04-2009 |
20090139311 | Biological Analysis Systems, Devices, and Methods - A device for performing biological sample reactions may include a plurality of flow cells configured to be mounted to a common microscope translation stage, wherein each flow cell is configured to receive at least one sample holder containing biological sample. Each flow cell also may be configured to be selectively placed in an open position for positioning the at least one sample holder into the flow cell and a closed position for reacting biological sample contained in the at least one sample holder. The plurality of flow cells may be configured to be selectively placed in the open position and the closed position independently of each other. | 06-04-2009 |
20090118485 | OLIGONUCLEOTIDES AND ANALOGS LABELED WITH ENERGY TRANSFER DYES - Novel linkers for linking a donor dye to an acceptor dye in an energy transfer fluorescent dye are provided. These linkers faciliate the efficient transfer of energy between a donor and acceptor dye in an energy transfer dye. One of these linkers for linking a donor dye to an acceptor dye in an energy transfer fluorescent dye has the general structure R | 05-07-2009 |
20090114043 | Liquid Processing Device Including Gas Trap, and System and Method - A device is provided that can include at least one gas trap that can be arranged in fluid communication with a sample-containment feature formed in or on the device. The gas trap can be arranged to trap gas or air displaced from the sample-containment feature as the sample-containment feature is loaded with a liquid. The trapped gas in the gas trap can assist in breaking-up and expelling the liquid from the sample-containment feature during a subsequent liquid transfer operation, for example, to an adjacent sample-containment feature. Systems for processing such a device and methods using such a device are also provided. | 05-07-2009 |
20090099027 | Methods of Modifying Support Surfaces for the Immobilization of Particles and the Use of the Immobilized Particles for Analyzing Nucleic Acids - Methods of modifying a nucleophilic surface of a support are described. The methods involve reacting a multifunctional electrophilic reagent with nucleophilic groups on the surface of the support. The resulting electrophilic surface can be used for the covalent attachment of particles (e.g. beads) having nucleophilic functional groups. For example, nucleic acid templates with nucleophilic (e.g., amine) groups can be attached to a surface of the particles. The nucleophilic groups on the nucleic acid templates can then be used to attach the particles to the modified surface of the support. The resulting support-bound particles can be used to analyze (e.g., sequence) the nucleic acid templates on the particles. | 04-16-2009 |
20090093623 | 4,7-DICHLORORHODAMINE DYES - A set of 4,7-dichlororhodamine compounds useful as fluorescent dyes are disclosed having the structures | 04-09-2009 |
20090092986 | Fluorescent Nucleobase Conjugates Having Anionic Linkers - Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators. | 04-09-2009 |
20090087913 | Analysis of conjugated metabolites of alcohol consumption - A method, system, kit and uses for quantifying and normalizing at least one product of ethanol metabolism are provided. A method is provided for quantifying and normalizing at least one product of ethanol metabolism in a sample comprising creatinine. The method comprises adding a predetermined amount of at least one internal standard to the sample; adding deuterated creatinine to the sample; detecting and measuring at least one product of ethanol metabolism, the predetermined amount of at least one internal standard in the sample, the deuterated creatinine, and the creatinine. The method also comprises quantifying the amount of at least one product of ethanol metabolism in the sample using the measurement of the at least one internal standard; quantifying the amount of creatinine in the sample using the measurement of the deuterated creatinine; and normalizing the quantity of the at least one product of metabolism using the measurement of the creatinine. | 04-02-2009 |
20090072197 | FLUORESCENT POLYMERIC MATERIALS CONTAINING LIPID SOLUBLE RHODAMINE DYES - Fluorescent polymeric materials are disclosed comprising a polymer and one or more lipid soluble rhodamine dyes. The materials are especially useful in the preparation of multicolored microparticles, especially multicolored polystyrene microparticle, for use in the multiplexed analysis of a plurality of analytes in a single sample. When excited by a light source, the materials give off a unique emission based on the nature, concentration and ratio of the dyes therein. Methods of preparing and using said materials are also disclosed. | 03-19-2009 |
20090071830 | Systems and Methods for Isolating Nucleic Acids - A system for collecting target nucleic acids from a sample can include at least one sample chamber configured to receive a sample containing target nucleic acids and other material, at least one collection chamber removably mountable relative to the at least one sample chamber and configured to collect target nucleic acids separated from the other material, a filter removably mountable relative to the at least one sample chamber and configured to be disposed between the at least one sample chamber and the at least one collection chamber when the at least one collection chamber is mounted relative to the at least one sample chamber. The system may further include a pair of electrodes configured to generate an electric field sufficient to cause target nucleic acids in the at least one sample chamber to migrate via electrophoresis from the at least one sample chamber through the filter into the at least one collection chamber, wherein the filter may be configured to permit passage of target nucleic acids and to block passage of material of a size larger than the target nucleic acids. | 03-19-2009 |
20090068751 | Methods of Labelling Polynucleotides with Dibenzorhodamine Dyes - Dibenzorhodamine compounds having the structure | 03-12-2009 |
20090068665 | METHODS AND KITS FOR IDENTIFYING TARGET NUCLEOTIDES IN MIXED POPULATIONS - Ligation-based methods and kits are disclosed for identifying at least two target nucleotides in a mixed population sample that is a sample that contains or potentially contains target nucleic acid sequences from more than one source. Typically, two ligation reaction compositions are formed ligation products generated, and the ligation products or their surrogates are analyzed to identify target nucleotides in the mixed population sample. In certain embodiments, the target nucleic acid sequences, the ligation products, or both are amplified. In certain embodiments, multiplex amplification and/or ligation reactions are performed. | 03-12-2009 |
20090065686 | METHODS AND SYSTEMS FOR BACKGROUND CORRECTION IN TANDEM MASS SPECTROMETRY BASED QUANTITATION - A corrected reporter ion intensity is calculated in tandem mass spectrometry based quantitation using isobaric labels. An analyte in each of two or more samples of a mixture of samples is labeled with a different isobaric label. The analyte is eluted from the mixture of samples and intensities of the eluting analyte are measured. An analyte intensity is selected at each of at least two times from the measured intensities. Tandem mass spectrometry is performed on the eluting analyte at each of the at least two times. A plurality of reporter ion intensities is produced. A system of linear equations is created expressing each reporter ion intensity of the plurality of reporter ion intensities as a sum of a background noise intensity and the product of a fragmentation efficiency and an analyte intensity. A corrected reporter ion intensity is calculated from a solution of the system of linear equations. | 03-12-2009 |
20090062543 | UV EXCITABLE FLUORESCENT ENERGY TRANSFER DYES - Novel energy transfer dyes which can be used with shorter wavelength light sources are provided. These dyes include a donor dye with an absorption maxima at a wavelength between about 250 to 450 nm and an acceptor dye which is capable of absorbing energy emitted from the donor dye. One of the energy transfer dyes has a donor dye which is a member of a class of dyes having a coumarin or pyrene ring structure and an acceptor dye which is capable of absorbing energy emitted from the donor dye, wherein the donor dye has an absorption maxima between about 250 and 450 nm and the acceptor dye has an emission maxima at a wavelength greater than about 500 nm. | 03-05-2009 |
20090047699 | FLUOROGENIC ENZYME ACTIVITY ASSAY METHODS AND COMPOSITIONS USING FRAGMENTABLE LINKERS - Substrate compound-containing micelles and various compositions, kits and methods for their preparation and use are provided. | 02-19-2009 |
20090032124 | Microfluidic Device Including Displaceable Material Trap, and System - A microfluidic device is provided that can include an input liquid-containment feature. The microfluidic device can include an overflow channel in fluid communication with the input liquid-containment feature. The microfluidic device can include a fluid capture appendix in fluid communication with the overflow channel. | 02-05-2009 |
20090027672 | Axial Illumination for Capillary Electrophoresis - System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light. | 01-29-2009 |
20080314431 | Thermal cycler for PCR - An instrument for performing highly accurate PCR employing an assembly, a heated cover, and an internal computer, is provided. The assembly is made up of a sample block, a number of Peltier thermal electric devices, and a heat sink, clamped together. A control algorithm manipulates the current supplied to thermoelectric coolers such that the dynamic thermal performance of a block can be controlled so that pre-defined thermal profiles of sample temperature can be executed. The sample temperature is calculated instead of measured using a design specific model and equations. The control software includes calibration diagnostics which permit variation in the performance of thermoelectric coolers from instrument to instrument to be compensated for such that all instruments perform identically. The block/heat sink assembly can be changed to another of the same or different design. The assembly carries the necessary information required to characterize its own performance in an on-board memory device, allowing the assembly to be interchangeable among instruments while retaining its precision operating characteristics. | 12-25-2008 |
20080285879 | Methods, Software, and Apparatus for Focusing an Optical System Using Computer Image Analysis - Methods, software, and apparatus for focusing an image in biological instrument are disclosed. Focusing elements are moved to various focus positions within a focus element travel range, and sample images are captured at the various focus positions. The sample images are resolved into subregions and an optimal focus position is determined based on the image intensity statistical dispersions within the identified subregions. | 11-20-2008 |