Cepheid Patent Grants

Thermostable polymerase inhibitor compositions and methods

Granted: April 12, 2022
Patent Number: 11299739
The present disclosure relates to aptamers for temperature-dependent reversible inhibition of thermostable polymerase activity in order to improve sensitivity and specificity of various reactions and assays involving hot start polynucleotide synthesis. Methods for use of the aptamers and related compositions and kits are also provided.

Inhibition of DNA polymerases by uracil-DNA glycosylase-cleavable oligonucleotide ligands

Granted: March 8, 2022
Patent Number: 11268075
Provided are methods and compositions for activating oligonucleotide aptamer-deactivated DNA polymerases, comprising modifying the aptamer by uracil-DNA glycosylase enzymatic activity to reduce or eliminate binding of the oligonucleotide aptamer to the DNA polymerase, thereby activating DNA synthesis activity of the DNA polymerase in a reaction mixture. Mixtures for use in methods of the invention are also provided. In some aspects, the oligonucleotide aptamers are circular and comprise…

Integrated purification and measurement of DNA methylation and co-measurement of mutations and/or mRNA expression levels in an automated reaction cartridge

Granted: March 1, 2022
Patent Number: 11260387
Methods of determining methylation of DNA are provided. In one illustrative, but non-limiting embodiment the method comprises i) contacting a biological sample comprising a nucleic acid to a first matrix material comprising a first column or filter where said matrix material binds and/or filters nucleic acids in said sample and thereby purifies the DNA; ii) eluting the bound DNA from the first matrix material and denaturing the DNA to produce eluted denatured DNA; iii) heating the eluted…

Inhibition of nucleic acid polymerases by endonuclease v-cleavable oligonucleotide ligands

Granted: October 26, 2021
Patent Number: 11155859
Provided are methods and compositions for activating oligonucleotide aptamer-deactivated DNA polymerases, comprising cleaving the aptamer by endonuclease V enzymatic activity to reduce or eliminate binding of the oligonucleotide aptamer to the DNA polymerase, thereby activating DNA synthesis activity of the DNA polymerase in a reaction mixture. Mixtures for use in methods of the invention are also provided. In some aspects, the oligonucleotide aptamer comprises one or more deoxyinosine…

Graphical user interface device

Granted: September 7, 2021
Patent Number: D929988

Thermal control device and methods of use

Granted: July 27, 2021
Patent Number: 11073310
Thermal control devices adapted to provide improved control and efficiency in temperature cycling are provided herein. Such thermal control device can include a thermoelectric cooler controlled in coordination with another thermal manipulation device to control an opposing face of the thermoelectric cooler and/or a microenvironment. Some such thermal control devices include a first and second thermoelectric cooler separated by a thermal capacitor. The thermal control devices can be…

Multi-chambered lid apparatus

Granted: July 6, 2021
Patent Number: 11053053
A lid apparatus for a multi-chambered container. The lid apparatus has a top-lid that is hingedly attached to a bottom-cap. The top-lid includes one or more openings for fluid filling multiple passages that extend from the bottom-cap. A lower bottom-cap includes welding features for welding to the multi-chambered container.

Thermal cycling methods

Granted: June 29, 2021
Patent Number: 11045810
A thermal cycling apparatus having a sample interfacing wall extending from a mounting wall. The sample interfacing wall can accept and apply thermal cycles to samples. An air source can direct an air stream to cool the sample. Another source can direct heated air away from the sample.

Exponential base-greater-than-2 nucleic acid amplification

Granted: June 8, 2021
Patent Number: 11028434
Described herein are methods and compositions that provide highly efficient nucleic acid amplification. In some embodiments, this allows a greater than 2-fold increase of amplification product for each amplification cycle and therefore increased sensitivity and speed over conventional PCR.

Remote monitoring of medical devices

Granted: May 25, 2021
Patent Number: 11017885
A remote monitoring system for medical data collection can include a data-flagging process embeds authorization and settings information into a file containing the test results. Such data flagging can occur at a medical device or testing site, and may be based in policy settings received from a remote system. A file containing the test results can also include data category information that can be used to protect sensitive information by preventing such information from being…

Encoderless motor with improved granularity and methods of use

Granted: April 6, 2021
Patent Number: 10972025
A DC electric motor having a stator mounted to a substrate, the stator having a coil assembly having a magnetic core, a rotor mounted to the stator with permanent magnets distributed radially about the rotor, the permanent magnets extending beyond the magnetic core, and sensors mounted to the substrate adjacent the permanent magnets. During operation of the motor passage of the permanent magnets over the sensors produces a substantially sinusoidal signal of varying voltage substantially…

Methods and apparatus for sequential amplification reactions

Granted: February 2, 2021
Patent Number: 10907202
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…

Fluid processing and control

Granted: February 2, 2021
Patent Number: 10906039
A fluid control and processing system for controlling fluid flow among a plurality of chambers comprises a body including a fluid processing region continuously coupled fluidicly with a fluid displacement region. The fluid displacement region is depressurizable to draw fluid into the fluid displacement region and pressurizable to expel fluid from the fluid displacement region. The body includes at least one external port. The fluid processing region is fluidicly coupled with the at least…

Waste receptacle with lid

Granted: January 19, 2021
Patent Number: D908301

Assay processing system

Granted: January 12, 2021
Patent Number: D907793

Sample processing module array handling system and methods

Granted: December 22, 2020
Patent Number: 10871498
A handling system for high throughput processing of a large volume of biological samples is provided herein. Such systems can include an array support assembly that supports multiple diagnostic assay modules in an array having at least two dimensions, a loader that loads multiple diagnostic assay cartridges within the multiple diagnostic assay modules. The array support assembly can be movable relative the loader to facilitate loading and unloading so as to provide more efficient…

Honeycomb tube

Granted: December 22, 2020
Patent Number: 10870884
A honeycomb tube with a planar frame defining a fluidic path between a first planar surface and a second planar surface. A fluidic interface is located at one end of the planar frame. The fluidic interface has a fluidic inlet and fluidic outlet. The fluidic path further includes a well chamber having an well-substrate with a plurality of wells. The well chamber is arranged in the planar frame between the first or second surface and the well-substrate. The well chamber is in fluidic…

Honeycomb tube

Granted: September 8, 2020
Patent Number: 10767226
A honeycomb tube with a planar frame defining a fluidic path between a first planar surface and a second planar surface. A fluidic interface is located at one end of the planar frame. The fluidic interface has a fluidic inlet and fluidic outlet. The fluidic path further includes a well chamber having an well-substrate with a plurality of wells. The well chamber is arranged in the planar frame between the first or second surface and the well-substrate.

Inhibition of DNA polymerases by uracil-DNA glycosylase-cleavable oligonucleotide ligands

Granted: July 28, 2020
Patent Number: 10724017
Provided are methods and compositions for activating oligonucleotide aptamer-deactivated DNA polymerases, comprising modifying the aptamer by uracil-DNA glycosylase enzymatic activity to reduce or eliminate binding of the oligonucleotide aptamer to the DNA polymerase, thereby activating DNA synthesis activity of the DNA polymerase in a reaction mixture. Mixtures for use in methods of the invention are also provided. In some aspects, the oligonucleotide aptamers are circular and comprise…

Inhibition of nucleic acid polymerases by endonuclease V-cleavable oligonucleotide ligands

Granted: July 28, 2020
Patent Number: 10724083
Provided are methods and compositions for activating oligonucleotide aptamer-deactivated DNA polymerases, comprising cleaving the aptamer by endonuclease V enzymatic activity to reduce or eliminate binding of the oligonucleotide aptamer to the DNA polymerase, thereby activating DNA synthesis activity of the DNA polymerase in a reaction mixture. Mixtures for use in methods of the invention are also provided. In some aspects, the oligonucleotide aptamer comprises one or more deoxyinosine…