Inhibition of nucleic acid polymerases by endonuclease V-cleavable oligonucleotide ligands
Granted: December 12, 2023
Patent Number:
11840728
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…
Nucleic acid decontamination methods
Granted: November 21, 2023
Patent Number:
11819584
Methods and cleaning compositions for reduction of nucleic acid contamination on surfaces, in air, and in solutions using modified pectin are provided.
Fluorescent dyes
Granted: November 7, 2023
Patent Number:
11807643
Automated oligonucleotide synthesis-compatible fluorescent dye phosphoramidite compounds, solid supports, and labeled polynucleotides incorporating the compounds are provided. The compounds allow universal incorporation of the fluorescent label into any position of the polynucleotide.
Honeycomb tube
Granted: October 24, 2023
Patent Number:
11795506
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…
Encoderless motor with improved granularity and methods of use
Granted: June 27, 2023
Patent Number:
11689125
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…
Diagnostic detection chip devices and methods of manufacture and assembly
Granted: April 18, 2023
Patent Number:
11628435
Diagnostic detection chip device designs that reduce cost of fabrication and assembly are described herein. Such chip device designs include features that facilitate use of the chip within a chip carrier device with integrated fluid flow control features and compatibility with conventional sample cartridges and sample processing systems. Associated methods of manufacture and assembly of the chip devices are also provided herein.
Integrated purification and measurement of DNA methylation and co-measurement of mutations and/or MRNA expression levels in an automated reaction cartridge
Granted: March 14, 2023
Patent Number:
11603555
In various embodiments 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;…
Remote monitoring of medical devices
Granted: February 28, 2023
Patent Number:
11594309
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…
Biosecurity screening system and method
Granted: February 21, 2023
Patent Number:
11587686
The present invention provides systems and methods for rapid screening of individuals who may have been exposed to and carrying biological agents potentially contagious or otherwise harmful to the general public.
Diagnostic assay system
Granted: February 14, 2023
Patent Number:
D978369
Command pod module
Granted: December 27, 2022
Patent Number:
D973655
Molecular diagnostic assay system
Granted: December 13, 2022
Patent Number:
11524301
Improved sub-assemblies and methods of control for use in a diagnostic assay system adapted to receive an assay cartridge are provided herein. Such sub-assemblies include: a brushless DC motor, a door opening/closing mechanism and cartridge loading mechanism, a syringe and valve drive mechanism assembly, a sonication horn, a thermal control device and optical detection/excitation device. Such systems can further include a communications unit configured to wirelessly communicate with a…
Methods of detecting influenza
Granted: April 19, 2022
Patent Number:
11306366
Compositions and methods for detecting influenza are provided.
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.
Methods for DNA and RNA extraction from fixed paraffin-embedded tissue samples
Granted: April 12, 2022
Patent Number:
11299726
Methods and reagents are provided for the rapid extraction of nucleic acids from a fixed paraffin embedded sample (e.g., a FFPET sample). In some embodiments, the methods comprise incubating one or more sections of said tissue sample in a lysis solution comprising a buffer sufficient to maintain the pH of said solution at a pH ranging from about pH 4 to about pH 9; a chaotropic agent; a chelating agent; and a detergent; where the incubating is at a temperature ranging from about 50° C.…
Inhibition of nucleic acid polymerases by endonuclease V-cleavable circular oligonucleotide ligands
Granted: April 12, 2022
Patent Number:
11299719
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. The oligonucleotide aptamers of the present invention are circular and comprise…
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
