Patent classifications
B01L2400/0445
METHODS AND DEVICES FOR MIXING IN A MICROFLUIDIC SYSTEM
A method for reducing sequencing by synthesis cycle time using a microfluidic device is provided. The microfluidic device comprises a flow cell having an inlet port, an outlet port, and a flow channel extending between the inlet port and the outlet port, wherein the flow channel receives an analyte of interest and one or more reagents for analyzing and detecting molecules. To aid in the acceleration of the reactions, the microfluidic device comprises a mixing device to increase the rates of diffusion of the reagents from the fluid bulk to an active surface of the flow cell. The mixing device comprises at least one of an electrothermal mixing device, an active mechanical mixing device, and a vibrational mixing device.
METHOD AND DEVICE FOR EXTRACTING AND/OR REPRODUCING A TARGET NUCLEIC ACID
A method for extracting a target nucleic acid from a sample liquid includes providing a heating device having a heating element in contact with the sample liquid. The heating element is conjugated with at least one functional nucleic acid. The functional nucleic acid is adapted to hybridize to the target nucleic acid and bind the target nucleic acid to the heating element. Further, the method includes generating relative movement between the heating element and the sample liquid and extracting the target nucleic acid from the sample liquid by separating the heating element from the sample liquid.
SYSTEM AND METHOD FOR ISOLATING AND ANALYZING CELLS
A system and method for isolating and analyzing single cells, comprising: a substrate having a broad surface; a set of wells defined at the broad surface of the substrate, and a set of channels, defined by the wall, that fluidly couple each well to at least one adjacent well in the set of wells; and fluid delivery module defining an inlet and comprising a plate, removably coupled to the substrate, the plate defining a recessed region fluidly connected to the inlet and facing the broad surface of the substrate, the fluid delivery module comprising a cell capture mode.
SYSTEM AND METHOD FOR ISOLATING AND ANALYZING CELLS
A system and method for isolating and analyzing single cells, comprising: a substrate having a broad surface; a set of wells defined at the broad surface of the substrate, and a set of channels, defined by the wall, that fluidly couple each well to at least one adjacent well in the set of wells; and fluid delivery module defining an inlet and comprising a plate, removably coupled to the substrate, the plate defining a recessed region fluidly connected to the inlet and facing the broad surface of the substrate, the fluid delivery module comprising a cell capture mode.
Thermal convection generating chip, thermal convection generating device, and thermal convection generating method
A thermal convection generating device (1) that generates thermal convection of a liquid by heating or cooling the liquid and applying centrifugal force to the liquid, the thermal convection generating device including: a stage (20) to which a thermal convection generating chip (10) is attachable and detachable, the thermal convection generating chip including a disk-like substrate (11) and a thermal convection pathway (14) formed in a surface of the disk-like substrate that is perpendicular to an axis (AX) of the disk-like substrate, and being configured to rotate about the axis of the disk-like substrate to apply centrifugal force to a liquid in the thermal convection pathway; a heat controller (30) that heats or cools a portion of the thermal convection pathway; a motor (40) that drives the thermal convection generating chip to rotate about the axis; and a controller (50) that controls the heat controller and the motor.
System and method for isolating and analyzing cells
A system and method for isolating and analyzing single cells, comprising: a substrate having a broad surface; a set of wells defined at the broad surface of the substrate, and a set of channels, defined by the wall, that fluidly couple each well to at least one adjacent well in the set of wells; and fluid delivery module defining an inlet and comprising a plate, removably coupled to the substrate, the plate defining a recessed region fluidly connected to the inlet and facing the broad surface of the substrate, the fluid delivery module comprising a cell capture mode.
THREE-DIMENSIONAL MICROFLUIDIC ACTUATION AND SENSING WEARABLE DEVICE FOR IN-SITU BIOFLUID PROCESSING AND ANALYSIS
A device for biofluid processing and analysis includes a microfluidic module including multiple stacked layers, each layer of the stacked layers defines a respective conduit, and conduits of the stacked layers are interconnected to provide a flow path for a biofluid.
Detection mechanism for polymerase chain reaction and polymerase chain reaction device
The present invention relates to a detection mechanism for polymerase chain reaction and a polymerase chain reaction device, wherein the detection mechanism comprises at least one excitation module group, each of the excitation module groups comprising two excitation modules for providing excitation light with two wavelengths; an excitation optical fiber, connected to the excitation modules, the excitation optical fiber transmitting the excitation light to at least one reaction tube, each of the reaction tubes receiving excitation light with two wavelengths; a receiving optical fiber, for collecting and transmitting a fluorescent signal from the reaction tube; at least one receiving module group, connected to the receiving optical fiber, each of the receiving module groups comprising two receiving modules, to respectively receive the fluorescent signal of two wavelengths from the same said reaction tube, and convert the fluorescent signal into an electrical signal for output; the detection mechanism is configured to detect the reaction tube in a time division manner, and multiplex the receiving module group to obtain an output result.
PORTABLE FIELD TESTING APPARATUS AND METHOD
A hand-portable test apparatus includes an in-the-field test processing assembly, and a lab-on-a-chip test cartridge having a neutralising zone, a specific reagent mixing zone, and a testing chamber. It has a convective heating loop for thermal cycling. There are two passive self-actuating valves that allow the test chamber volume to fill with solution, but then close to meter and trap the solution. The apparatus has external illumination ports, and an optical sensing port. Each cartridge is uniquely identified. It has smooth surfaces that allow adhesive membranes to be used to permit the pre-loading of reagents, prevent evaporation, and permit preservation of results. The test apparatus includes a holder for the cartridge with a heater, illumination, and optical sensor units closely positioned relative to the holder. There is a wiring circuit board, a processor, and a power supply. All of the items are contained within a unitary housing.
MICROFLUIDIC DEVICE
A microfluidic device may include a first fluid chamber, a second fluid chamber, a first microfluidic passage extending between the first fluid chamber and the second fluid chamber, a second microfluidic passage extending from the second fluid chamber, a first fluid actuator adjacent the first microfluidic passage and proximate the first fluid chamber to inertially pump fluid away from the first fluid chamber and a second fluid actuator adjacent the first microfluidic passage and proximate the second fluid chamber to menially pump fluid towards the first fluid chamber.