Cepheid Patent Applications

COMPOSITIONS, METHODS AND KITS FOR POLYNUCLEOTIDE AMPLIFICATION REACTIONS AND MICROFLUIDIC DEVICES

Granted: June 3, 2010
Application Number: 20100136569
Antifoam agents improve detection of polynucleotide amplification reactions and improve manipulation of fluids in microfluidic devices.

METHOD AND DEVICE FOR SAMPLE PREPARATION CONTROL

Granted: May 27, 2010
Application Number: 20100129827
A method for preparing a sample suspected to contain a target nucleic acid sequence for a nucleic acid amplification reaction and for verifying the effectiveness of the sample preparation comprises the step of mixing the sample with sample preparation controls. The sample preparation controls are cells, spores, microorganisms, or viruses that contain a marker nucleic acid sequence. The sample mixed with the sample preparation controls is subjected to a lysis treatment, and nucleic acid…

METHOD FOR SEPARATING AN ANALYTE FROM A SAMPLE

Granted: March 18, 2010
Application Number: 20100068706
An analyte is separated from a fluid sample by introducing the sample into a cartridge having a sample port and a first flow path extending from the sample port. The first flow path includes an extraction chamber containing a solid support for capturing the analyte from the sample. The cartridge has a second flow path for eluting the captured analyte from the extraction chamber, the second flow diverging from the first flow path after passing through the extraction chamber. The sample is…

METHOD AND APPARATUS FOR STORING AND DISPENSING REAGENT BEADS

Granted: December 17, 2009
Application Number: 20090308886
Embodiments of the invention provide an efficient and effective technique for storing and dispensing reagent beads. In some embodiments, an apparatus is provided for dispensing reagent beads contained in a bead storage device which includes a bead carrier having a plurality of wells; a plurality of reagent beads disposed in the wells; and a cover tape releasably attached to the bead carrier to cover the wells and retain the reagent beads in the wells. The apparatus comprises a channel in…

METHODS FOR THE IDENTIFICATION OF MICRORNA AND THEIR APPLICATIONS IN RESEARCH AND HUMAN HEALTH

Granted: March 5, 2009
Application Number: 20090062135
The present invention concerns a method for prediction and identification of microRNA precursors (pre-microRNA) and microRNA molecules using data processing programs and databases. The invention also pertains to the isolated form of these pre-microRNAs, microRNA molecules and derived nucleic acids there of. The invention also relates to recombinant vector, host cell, support, pharmaceutical composition or kit comprising such microRNA molecules or there of derivated molecules. The…

DNA recombination junction detection

Granted: February 19, 2009
Application Number: 20090047669
The present invention provides methods, compositions and kits for detecting the presence or absence of an integrated insertion polynucleotide.

APPARATUS FOR PERFORMING HEAT-EXCHANGING CHEMICAL REACTIONS

Granted: November 20, 2008
Application Number: 20080286151
An apparatus for controlling the temperature of a reaction mixture contained in a chamber of a reaction vessel comprises a thermal surface for contacting a flexible wall of the chamber and an automated machine for increasing the pressure in the chamber. The pressure increase in the chamber is sufficient to force the flexible wall to conform to the thermal surface for good thermal conductance. The apparatus also includes at least one thermal element for heating or cooling the surface to…

CONTROLS FOR PRIMERS IN MULTIPLEX AMPLIFICATION REACTIONS

Granted: November 20, 2008
Application Number: 20080286798
The present invention provides methods and compositions for confirming the integrity of primers and other components of amplification reactions, including multiplex amplification reactions.

Thermal cycler with optical detector

Granted: October 16, 2008
Application Number: 20080254532
A reaction vessel having a reaction chamber for holding a sample is fabricated by producing a housing having a rigid frame defining the minor walls of the chamber. The housing also defines a port for introducing fluid into the chamber. At least one sheet or film is attached to the rigid frame to form at least one major wall of the chamber. In preferred embodiments, two sheets or films are attached to opposite sides of the rigid frame to form two opposing major walls of the chamber, the…

METHODS, APPARATUS, AND COMPUTER PROGRAMS FOR VERIFYING THE INTEGRITY OF A PROBE

Granted: September 18, 2008
Application Number: 20080227090
The present invention provides methods, apparatuses and computer programs for verifying the integrity of a probe by comparing the fluorescence value of a probe to a threshold value. The invention also provides for methods, apparatuses and computer programs for normalizing the fluorescence value of a probe and detecting a target nucleic acid in a sample.

Universal and Target Specific Reagent Beads for Nucleic Acid Amplification

Granted: August 14, 2008
Application Number: 20080193946
The present invention relates to methods and compositions providing optimized reaction conditions for nucleic acid amplification reactions and for methods and compositions that reduce contamination of amplification reactions during set up.

Device for extracting nucleic acid from a sample

Granted: March 6, 2008
Application Number: 20080057572
The present invention provides a cartridge for analyzing a fluid sample. The cartridge provides for the efficient separation of cells or viruses in the sample from the remaining sample fluid, lysis of the cells or viruses to release the analyte (e.g., nucleic acid) therefrom, and optionally chemical reaction and/or detection of the analyte. The cartridge is useful in a variety of diagnostic, life science research, environmental, or forensic applications for determining the presence or…

METHODS AND APPARATUS FOR SEQUENTIAL AMPLIFICATION REACTIONS

Granted: February 14, 2008
Application Number: 20080038737
The invention provides methods and apparatus for carrying out multiple amplification reactions in a single reaction chamber by successive cycles of loading reaction mixture, amplifying, and removing spent reaction mixture in a fluidly closed reaction system. In particular, the present invention allows amplification of a plurality of target polynucleotides from a single sample by carrying out under closed-loop control successive amplifications of different target polynucleotides from…

METHODS, APPARATUS, AND COMPUTER PROGRAMS FOR VERIFYING THE INTEGRITY OF A PROBE

Granted: November 8, 2007
Application Number: 20070259362
The present invention provides methods, apparatuses and computer programs for verifying the integrity of a probe by comparing the fluorescence value of a probe to a threshold value. The invention also provides for methods, apparatuses and computer programs for normalizing the fluorescence value of a probe and detecting a target nucleic acid in a sample.

Method and apparatus for storing and dispensing reagent beads

Granted: December 7, 2006
Application Number: 20060275178
Embodiments of the invention provide an efficient and effective technique for storing and dispensing reagent beads. In one embodiment, an apparatus is provided for dispensing reagent beads contained in a bead storage device which includes a bead carrier having a plurality of wells; a plurality of reagent beads disposed in the wells; and a cover tape releasably attached to the bead carrier to cover the wells and retain the reagent beads in the wells. The apparatus comprises a channel in…

Polar dyes

Granted: October 12, 2006
Application Number: 20060229441
The present invention relates to novel polar fluorescent and quenchers dyes, and minor groove binder with enhanced polarity. The present invention further relates to methods of preparing oligonucleotide probes labeled with polar arsonate dyes under the condition of automated synthesis and method of using such probes.

Closed-system multi-stage nucleic acid amplification reactions

Granted: August 10, 2006
Application Number: 20060177844
The invention is directed to systems, methods, and apparatus for carrying out multi-stage amplification reactions, especially under fluidly closed conditions. In one aspect, methods of the invention are carried out in a fluidly closed reaction system that permits the isolation of a portion of a first (or prior) reaction mixture and its use as a sample or specimen in a second (or subsequent) reaction mixture, thereby substantially avoiding interfering effects that first reaction…

Cap for vessel for performing multi-stage process

Granted: August 3, 2006
Application Number: 20060169708
Embodiments of the invention provide a cap for a vessel for performing a multi-stage process for analyzing a sample, such as nested PCR or RT-PCR. In one embodiment, the cap comprises a body configured to be mated to the vessel to enclose a vessel interior, a cap cavity for holding reagents, and a cap cavity control portion that is adjustable with respect to the body between a first-stage position in which the cap cavity is enclosed and fluidicly isolated from the vessel interior and a…

Universal and target specific reagent beads for nucleic acid amplification

Granted: March 30, 2006
Application Number: 20060068398
The present invention relates to methods and compositions providing optimized reaction conditions for nucleic acid amplification reactions and for methods and compositions that reduce contamination of amplification reactions during set up.

Multiple bead reagent system for protein based assays with optimized matrices

Granted: March 30, 2006
Application Number: 20060068399
The invention provides a multi-bead assay system for a protein based assay comprising at least two different beads. The first bead comprises protein and a protein stabilization matrix. The first bead forms a first solution when dissolved in liquid, and the first solution permits a first activity level for the assay. The second bead comprises a potentiation bead matrix that when dissolved in the first solution forms a second solution that potentiates the protein based assay to achieve a…