B01L2300/087

MICROFLUIDIC CONNECTOR GROUP, MICROFLUIDIC DEVICE AND MANUFACTURING PROCESS THEREOF, IN PARTICULAR FOR A CARTRIDGE FOR SAMPLE PREPARATION AND MOLECULE ANALYSIS

A microfluidic group includes a female connector and a male needle connector. The female connector has a connector chamber in a containment body; a duct extending in the containment body to a duct opening on a first face of the connector chamber; a needle entry hole extending from a lateral face of the containment body to a second face, not facing the first face of the connector chamber; and a gasket arranged in the connector chamber. The gasket has a side wall internally delimiting a cavity and extending in part adjacent to the second face of the connector chamber. The cavity of the gasket faces the first face of the connector chamber.

APPARATUS AND METHODS FOR THERMAL CYCLING OF SAMPLE

This disclosure relates to apparatus and methods for thermally cycling a sample. Particular embodiments comprise a first pivot arm configured to pivot around a first pivot axis; a second pivot arm configured to pivot around a second pivot axis; a first thermal mass and a second thermal mass coupled to the first pivot arm; and a third thermal mass and a fourth thermal mass coupled to the second pivot arm, wherein the first and third thermal masses are proximal to the sample when the first and second pivot arms are in a first position, and the second and fourth thermal masses are proximal to the sample when the first and second pivot arms are in a second position.

Microfluidic connector group, microfluidic device and manufacturing process thereof, in particular for a cartridge for sample preparation and molecule analysis

A microfluidic group includes a female connector and a male needle connector. The female connector has a connector chamber in a containment body; a duct extending in the containment body to a duct opening on a first face of the connector chamber; a needle entry hole extending from a lateral face of the containment body to a second face, not facing the first face of the connector chamber; and a gasket arranged in the connector chamber. The gasket has a side wall internally delimiting a cavity and extending in part adjacent to the second face of the connector chamber. The cavity of the gasket faces the first face of the connector chamber.

Rheotaxis-based separation of motile sperm and bacteria using a microfluidic corral system

The present application relates to a microfluidic system and its method for use for the separation of motile sperm from immotile sperm or motile bacteria from immotile bacteria. The system includes a housing having a first end, and a second end, with a passage connecting the first and second ends. There is an inlet at the first end of the housing for charging fluids into the passage and an outlet at the second end of said housing for discharging fluids from the passage. There are one or more corrals within the passage, each of the corrals including a closed side and a partially open side. The closed side of the corrals is closer to the first end than the partially open side, with the closed side and partially open side defining between them a confinement region suitable for retaining motile sperm or motile bacteria.

A MICROFLUIDIC SYSTEM AND A METHOD FOR PROVIDING A SAMPLE FLUID HAVING A PREDETERMINED SAMPLE VOLUME
20230096026 · 2023-03-30 ·

The present invention relates to a microfluidic system (10, 20) comprising: a sample reservoir (110, 210); a first sample channel (120, 220) connected to the sample reservoir (110, 210), branching off into a second sample channel (122, 222) ending in a first valve (130, 230), and into a third sample channel (124, 224) which branches off into a fourth sample channel (126, 226) ending in a second valve (132, 232), and into a fifth sample channel (128, 228) ending in a third valve (134, 234); a buffer reservoir (140, 240); a first trigger channel (150, 250) arranged to connect the buffer reservoir (140, 240) to the second valve (132, 232); a second trigger channel (152, 252) connecting the second valve (132, 232) and the first valve (130, 230); and an exit channel (154, 254) connected to the first valve (130, 230).

CELL SEPARATION PARTICLES FOR AND/NOT OPERATIONS OR MULTIPLE TARGETS
20230096558 · 2023-03-30 · ·

A method of acoustophoresis using selection particles that alter acoustic response is provided. The method can include selecting a set of selection particles based on surface markers of a plurality of target particles to be separated using acoustophoresis. The method can include incubating the set of selection particles with the plurality of target particles in a solution such that the set of selection particles bind with the surface markers on the plurality of target particles to create a plurality of bound particles. The method can include providing the plurality of bound particles to an acoustophoresis device tuned to separate the particles based on a net acoustic contrast between each of the plurality of bound particles. The method can include receiving a plurality of output streams from the acoustophoresis device that each include a respective bound particle of the plurality of bound particles.

ANALYTE SENSING SYSTEM AND CARTRIDGE THEREOF

A sensing system is disclosed. The sensing system includes a sensor cartridge and a readout device. The sensor cartridge includes a sensing device and a micro-channel-structure. The sensing device includes a chip member and an electrode member arranged projectively offset from each other.

Unitary biochip providing sample-in to results-out processing and methods of manufacture
11612894 · 2023-03-28 · ·

A biochip for the integration of all steps in a complex process from the insertion of a sample to the generation of a result, performed without operator intervention includes microfluidic and macrofluidic features that are acted on by instrument subsystems in a series of scripted processing steps. Methods for fabricating these complex biochips of high feature density by injection molding are also provided.

REAGENT SLEEVE SYSTEM
20230031105 · 2023-02-02 ·

A reagent sleeve system such as can be used with various analyzers using chemical phenomena, analyzers and methods of using the reagent sleeve system and analyzer are described. The reagent sleeve system can include a reagent sleeve; and a plurality of removable reagent reservoirs located within the reagent sleeve, wherein each of the plurality of removable reagent reservoirs comprises a respective peripheral wall, and first and second end walls, whereby each of the plurality of removable reagent reservoirs contains a reagent located therein, and the first end wall is pierceable by a reagent extractor, and the reagent sleeve comprises a peripheral wall that encompasses the plurality of removable reagent reservoirs and holds the plurality of reagent reservoirs for sequential use.

SYSTEMS AND METHODS FOR LOADING REAGENT-CONTAINING MICROFLUIDIC CHIPS

A microfluidic device can include a microfluidic circuit that comprises an inlet port, a reagent-containing chamber configured to receive fluid from the inlet port, a non-aqueous-liquid-containing reservoir configured to receive liquid from the chamber, and a droplet-generating region configured to receive and produce droplets of liquid from the reservoir. The circuit can also include first and second valves or frangible members. The first valve or frangible member can have closed position in which fluid is prevented from entering or exiting the chamber therethrough and an open position in which fluid is permitted to enter or exit the chamber therethrough. The second valve or frangible member can have a closed position in which fluid is prevented from flowing between the chamber and the reservoir therethrough and an open position in which fluid is permitted to flow between the chamber and the reservoir therethrough.