B01L2400/0655

SAMPLE CARTRIDGES

The invention provides sample cartridges for processing samples. The sample cartridges comprise at least one fluidic channel. Each fluidic channel comprises a sample chamber, a lysis chamber, a binding chamber, a pre-amplification region, and an amplification region. The sample cartridges also comprise a waste line that is in fluidic connectivity with each fluidic channel. The sample cartridges can interface with a plurality of plungers that are capable of occluding at least one fluidic channel, waste line, and/or optional assay line to limit the transport of fluids into, out of, and/or along at least one fluidic channel by plunging. The invention also provides multi-channel sample cartridges, which are sample cartridges that comprise at least two fluidic channels. In addition, the sample cartridges can house fluids on the cartridge, off the cartridge, or some on the cartridge and some fluids off the cartridge.

Microfluidic microchips by 3D printing

Function fabrication in a microfluidic device manufactured with a custom 3D printer. The functions may include, for example, transporting or routing fluid, fluid mixing through flow and/or diffusion, blocking fluid (valve), pumping fluid, providing chemical reaction regions, providing analyte capture regions, and providing analyte separation regions. The fluid may be a liquid or a gas.

FLOW CELL COMPRISING A STORAGE ZONE AND A DUCT THAT CAN BE OPENED AT A PREDETERMINED BREAKING POINT
20230219085 · 2023-07-13 ·

A flow cell having at least one storage zone connected to a duct for conducting fluid out of, into or/and through the storage zone. The duct includes a duct section which is delimited by a substrate and a film joined to the substrate and in which the duct is sealed and can be opened at a predetermined breaking point by deflecting the film. The film covers a recess in the substrate which forms the duct section. A sealing wall that seals the duct and is integrally joined to the substrate is placed in the recess. The predetermined breaking point is formed by a breakable joining region between the film and an edge portion of the sealing wall facing the film. The dimensions of a peripheral area of the sealing wall is formed in the edge portion and runs parallel to the film determine the surface area of the joining region.

SAMPLE MANIPULATION AND ASSAY WITH RAPID TEMPERATURE CHANGE

Among other things, the present invention is related to devices and methods of performing biological and chemical assays, particularly an easy sample manipulation and/or a rapid change or a rapid thermal cycling of a sample temperature is needed (e.g. Polymerase Chain Reaction (PCR) for amplifying nucleic acids).

Structures for automated, multi-stage processing of nanofluidic chips

Techniques regarding one or more structures that can facilitate automated, multi-stage processing of one or more nanofluidic chips are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a roller positioned adjacent to a microfluidic card comprising a plurality of fluid reservoirs in fluid communication with a plurality of nanofluidic chips. An arrangement of the plurality of nanofluidic chips on the microfluidic card can defines a processing sequence driven by a translocation of the roller across the microfluidic card.

Microfluidics-enabled multimaterial stereolithographic printing

Described are systems and methods for multi-material printing. The systems and methods can utilize a stereolithographic printing device, a moving stage, and a microfluidic device. The microfluidic device can include a plurality of reservoirs, each reservoir housing a different ink for printing, and a microfluidic chip. The microfluidic chip can include a chamber that comprises a plurality of inlets, a printing region, and one or more outlets as well as an elastic membrane.

Flow cell with selective deposition or activation of nucleotides

An apparatus includes a flow cell body, a plurality of electrodes, an integrated circuit, and an imaging assembly. The flow cell body defines one or more flow channels and a plurality of wells. Each flow channel is configured to receive a flow of fluid. Each well is fluidically coupled with the corresponding flow channel. Each well is configured to contain at least one polynucleotide. Each electrode is positioned in a corresponding well of the plurality of wells. The electrodes are operable to effect writing of polynucleotides in the corresponding wells. The integrated circuit is operable to drive selective deposition or activation of selected nucleotides to attach to polynucleotides in the wells to thereby generate polynucleotides representing machine-written data in the wells. The imaging assembly is operable to capture images indicative of one or more nucleotides in a polynucleotide.

MICROFLUIDIC DEVICE AND METHOD FOR PROCESSING PARTICLES
20220410161 · 2022-12-29 · ·

A microfluidic device, intended for processing particles, in particular cells. This device includes a processing chamber with at least two elongated segments, one input seeding channel and one output seeding channel configured to define a seeding flow, and connection channels configured to allow the seeding flow through all the processing chambers serially.

Fluidic device

A fluidic device (10) is described. The fluidic device (10) comprises the first part (110) and the second part (120). The first part (110) comprises a first inlet (111) and a first outlet (112), mutually spaced apart. The second part (120) comprises a first chamber (121) arranged to contain a predetermined first amount A1 of a first fluid F1 therein and a first wall portion (122) arranged to contain, at least in part, the first fluid F1 in the first chamber (121). The fluidic device (10) is arrangeable in a first configuration, wherein the first part (110) is fluidically isolated from the first chamber (121). The fluidic device (10) is arrangeable in a second configuration, wherein the first inlet (111) and the first outlet (112) are fluidically coupled via the first chamber (121), whereby increasing a first pressure P1 in the first chamber (121) via the first inlet (111) urges at least a part of the predetermined first amount A1 of the first fluid F1 through the first outlet (112).

Programmable hydraulic resistor array for microfluidic chips

Embodiments of the invention provide a microfluidic chip having microfluidic structures formed on a surface. The structures form an input channel, an output channel, auxiliary channels, and a hydraulic resistor structure connecting the input channel to the output channel via the auxiliary channels. The resistor structure includes N flow resistor portions (N≥2), which are connected to the auxiliary channels. The chip further includes at least N−1 actuatable valves, which are arranged in respective ones of the auxiliary channels. The actuation state of the valves can determine the effective hydraulic resistance of the resistor structure. The valves can be electrogates, each including a liquid-pinning trench arranged in a respective one of the auxiliary channels that define a flow path for a liquid introduced therein, so as to form an opening that extends across said flow path. Each electrogate can further include an electrode extending across the flow path.