B01L2300/0864

MULTIFUNCTIONAL MICROFLUIDIC DEVICE FOR CAPTURING TARGET CELLS AND ANALYZING GENOMIC DNA ISOLATED FROM THE TARGET CELLS WHILE UNDER FLOW CONDITIONS
20210178393 · 2021-06-17 · ·

The present invention relates to, inter alia, a microfluidic device for capturing target cells and analyzing genomic DNA isolated from the target cells while under flow conditions. The microfluidic device includes a cell microchannel and a nucleic acid microchannel that intersect in an orthogonal manner, thereby forming a cell capture intersection region. The microfluidic device also includes a cell capture array and a nucleic acid entanglement array. The cell capture array includes a plurality of cell capturing micropillars and is located in the cell capture intersection region. The nucleic acid entanglement array includes a plurality of nucleic acid entanglement micropillars that function to physically entangle and maintain thereon genomic DNA isolated from the one or more target cell, and is located in a portion of the nucleic acid microchannel that is adjacent to and downstream of the cell capture intersection region. Methods of using the microfluidic device are also disclosed.

TARGET ANALYSIS KIT AND TARGET ANALYSIS METHOD

A target analysis kit includes: a sample holder including: a reagent chamber containing a first reagent; a sample holding portion; and a liquid transfer portion; and an analysis container including: a first chamber containing a second reagent; and a second chamber with a labeling substance contained in the first or second reagent to be detected. A combination of the first and second reagents is any of the combinations (1) to (3) and (4): (1) first reagent is the immobilized second binding substance and second reagent is the labeled first binding substance; (2) first reagent is the labeled first binding substance and second reagent is the immobilized second binding substance; (3) first reagent is the immobilized first binding substance and second reagent is the labeled second binding substance; and (4) first reagent is the labeled second binding substance and second reagent is the immobilized first binding substance.

Urine test container for urine separation and infection control

The present invention relates to a urine test container, Specifically, the present invention relates to a container capable of readily separating first urine while receiving whole urine in order to remove the inconvenience of discarding the first urine and putting the remaining urine in a container in a medical institution such as a hospital and a health care institution, because the quality of a test is decreased due to a plurality of epithelial cells included in the first urine in a urine test. A container for collecting the urine of a subject, which is one aspect of the present invention, comprises: a container for collecting urine; and a barrier film located within the container so as to divide the inside of the container, thereby separating a predetermined amount of the first urine, which is first collected from the urine, and the second urine differing from the first urine, wherein only the second urine is used in the urine test of the subject and the first urine and the second urine can be separated using the barrier film.

BRANCHED NANOCHANNEL DEVICES FOR DETECTION AND SORTING OF NUCLEIC ACIDS
20210197198 · 2021-07-01 ·

The present disclosure relates to devices and methods for the detection and/or sorting of nucleic acids. Further disclosed are methods for device fabrication.

Microfluidics analysis system

A microfluidics analysis system with a microfluidics cell and a microscope. The microscope has an objective lens arranged to collect light from a field of view including a portion of the microfluidics cell; a second lens; and an actuator arranged to translate the objective lens relative to the microfluidics cell to change a position of the field of view between multiple positions. The actuator is arranged to translate the objective lens relative to the microfluidics cell without moving the second lens relative to the microfluidics cell. The second lens is arranged to receive the light collected by the objective lens for the multiple positions of the field of view without moving relative to the microfluidics cell.

Cartridges for sample partitioning

Cartridges for sample partitioning and methods of making and using the cartridges are provided. The cartridges include a pouch to receive a mated stem-well film and a sealing film covered by a release liner. The stem film and the sealing film can be respectively separated from the well film and sealing film simultaneously by pulling a pull tab.

MICROFLUIDIC TRAPPING CHIP AND USES THEREOF FOR CULTURE AND ASSAY OF CELL CLUSTERS AND OBJECTS

Some embodiments provide a microfluidic cartridge for automatically hydrodynamically loading objects (e.g., cell clusters) into traps in parallel trapping channels with one object per trap, methods of making such cartridges and methods of use of C such cartridges.

MICROPARTICLE SORTING MICROCHIP AND MICROPARTICLE SORTING APPARATUS

A microparticle sorting microchip for a flow cytometer is provided to enable sorting of microparticles at higher speed, higher purity, and higher acquisition rate. The microparticle sorting microchip includes a main channel through which a microparticle-containing fluid flows, a trap channel coaxially communicating with the main channel, a trap chamber communicating with the trap channel, and a gate channel intersecting the trap channel. The trap channel has an opening intersecting the gate channel. The trap channel has a smaller cross-sectional area upstream of the opening than downstream of the opening along a direction in which the microparticle-containing fluid flows.

MICROFLUIDIC SIPHONING ARRAY FOR NUCLEIC ACID QUANTIFICATION
20210197202 · 2021-07-01 ·

The present disclose provides devices, methods and systems that may be used for amplifying and quantifying nucleic acid molecules. Methods for amplifying and quantifying nucleic acids may comprise isolating a sample comprising nucleic acid molecules into a plurality of chambers, performing a polymerase chain reaction on the plurality of chambers, and analyzing the results of the polymerase chain reaction.

High surface area chromatographic device with low pressure drop

A chromatographic device includes a primary channel having a cross-sectional area and characteristic length such that analyte travel within the primary channel is substantially convective. A plurality of secondary channels each having a cross-sectional area and characteristic length such that analyte flow into and out of a secondary channel is substantially diffusive, each of the plurality of secondary channels having an entrance in fluidic communication with the primary channel wherein the entrance intersects the primary channel.