Abstract: Provided herein are oligomers, compositions, kits, and methods for capturing target polynucleotides, e.g., for downstream applications such as amplification, library preparation, or sequencing. In some embodiments, a capture oligomer is provided or used that comprises a capture sequence that is annealed to a complement that prevents capture until the complement is displaced in a target-polynucleotide dependent manner. In some embodiments, an amount of target polynucleotide is captured that is less than or equal to a predetermined amount.
Abstract: The embodiments and improvements relate to the design of molecular biology assays based on isothermal amplification of nucleic acids with Strand Displacement Amplification (SDA). The embodiments describe a novel method for SDA termed Endonuclease-Mediated Shifting Equilibrium Amplification (EM-SEq), which improves exponential kinetics and specificity of the reaction and enables amplification on solid surfaces.
Abstract: A filtration unit for separating at least one analyte from a fluid sample. The filtration unit includes: an inlet configured to receive the fluid sample and an outlet configured to receive the at least one analyte; a fluid pathway providing fluid communication between the inlet and the outlet, where the fluid pathway has a longitudinal axis along which the fluid sample flows, in use; a filter located in the fluid pathway, where the filter includes at least one surface configured to allow the passage of the at least one analyte and the at least one surface is substantially transverse to the longitudinal axis of the fluid pathway; and an impeller located adjacent to the filter, where the impeller is configured to generate tangential fluid flow in the vicinity of the filter and wherein the impeller includes a rotatable shaft coupled to at least one blade having a rounded leading edge.
Type:
Application
Filed:
October 15, 2021
Publication date:
November 30, 2023
Applicant:
DNAe Diagnostics Limited
Inventors:
Alessandro MARTURANO, Henry Oluseyi FATOYINBO, Atreyee SAHA, Jarrett KILLPACK
Abstract: Provided herein are oligomers, compositions, kits, and methods for capturing target polynucleotides, e.g., for downstream applications such as amplification, library preparation, or sequencing. In some embodiments, a capture oligomer is provided or used that comprises a capture sequence that is annealed to a complement that prevents capture until the complement is displaced in a target-polynucleotide dependent manner. In some embodiments, an amount of target polynucleotide is captured that is less than or equal to a predetermined amount.
Abstract: A method for the isothermal amplification of nucleic acid molecules, optionally on a solid support. The method uses single stranded nucleic acids having hairpin regions at both the 3? and 5? ends, or the extension products thereof.
Abstract: Methods, systems, and apparatuses for efficiently amplifying and detecting certain nucleic acid sequences from a population. The selected population can be further characterised, for example by sequencing. A method involves combined solution phase and solid phase amplification.
Type:
Application
Filed:
May 7, 2020
Publication date:
October 20, 2022
Applicant:
DNAE DIAGNOSTICS LIMITED
Inventors:
David Allan DAVIDSON, Graham WORSLEY, Jarrett KILLPACK, Samuel REED
Abstract: A device is provided for preserving the integrity of one or more reagents on a substantially planar cartridge. The device includes a chimney extending substantially perpendicular to the plane of the cartridge, a bead holder encapsulated within the chimney; and a piercing mechanism located within the chimney and configured to enable a bead to access the bead holder, in use.
Type:
Application
Filed:
January 31, 2020
Publication date:
March 31, 2022
Applicant:
DNAE DIAGNOSTICS LIMITED
Inventors:
Matthew SPRINGER, John Luis TASSONE, Simeon Dominic CASTLE, Lee PEARSON
Abstract: The embodiments and improvements relate to the design of molecular biology assays based on isothermal amplification of nucleic acids with Strand Displacement Amplification (SDA). The embodiments describe a novel method for SDA termed Endonuclease-Mediated Shifting Equilibrium Amplification (EM-SEq), which improves exponential kinetics and specificity of the reaction and enables amplification on solid surfaces.