B01L9/527

SYSTEM AND METHOD FOR DETECTING PRESENCE OF A TARGET BIOPARTICLE IN A SAMPLE VIA A VERTICAL FLOW ASSAY

One variation of a system includes a cartridge comprising: a substrate; a sample well integrated into the substrate, defining an upper opening and a lower opening, and configured to receive a test solution comprising a user sample and an amount of a fluorescent probe configured to bind with a target bioparticle to form a target complex; a filter membrane extending across the lower opening and defining a network of pores configured to convey fluid from the sample well and prevent passage of the target complex through the filter membrane. The system further includes a reader comprising: a housing; a cartridge receptacle configured to receive the cartridge; an excitation source configured to illuminate a detection region within the housing; and a detector defining a field of view intersecting the detection region and configured to detect a signal generated by fluid in the sample well and representing presence of the target bioparticle.

Flowcell cartridge with floating seal bracket

A cartridge for use with chemical or biological analysis systems is provided. The cartridge may include a floating microfluidic plate that is held in the cartridge using one or more floating support brackets that incorporate gaskets that may seal against fluidic ports on the microfluidic plate. The floating support brackets may include indexing features that may align the microfluidic plate with the seals.

Microfluidic system with combined electrical and optical detection for high accuracy particle sorting and methods thereof

Disclosed herein is a system to detect and characterize individual particles and cells using at least either optic or electric detection as the particle or cell flows through a microfluidic channel. The system also provides for sorting particles and cells or isolating individual particles and cells.

Method for correcting interference of multicolor fluorescence channels
11579086 · 2023-02-14 ·

Provided is a fluorescence reader that uses two excitation channels and can read up to seven different fluorescent dyes in a single run. Each excitation channel has one light source and one single excitation filter and one dichroic mirror. One excitation channel is capable of exciting multiple fluorescent dyes and can be used to distinguish multiple dyes in combination with multiple emission filters. The excitation channels are driven by a motor that can automatically switch the two excitation channels for taking images of up to seven different fluorescent dyes. An algorithm to calibrate the crosstalk between different fluorescent dyes is also provided. Also provided is a method for analyzing digital PCR data using a ratio of two fluorescence emission readings.

OBJECT STAGE AND TRANSFER PLATFORM FOR BIOLOGICAL SAMPLE ANALYZER, AND BIOLOGICAL SAMPLE ANALYZER

The present invention relates to a transfer platform for a biological sample analyzer, comprising a movable carrier plate and an object stage which is placed on the carrier plate and separable from the carrier plate. The side of the carrier plate facing the object stage is an upper surface, and the reverse side is a lower surface. The side of the object stage facing the carrier plate is a lower surface, and the reverse side is an upper surface. The object stage and the carrier plate are respectively provided with magnetic blocks that magnetically attract each other. When the object stage is placed in a predetermined area on the carrier plate, the suction of the magnetic blocks automatically positions the object stage relative to the carrier plate, thereby achieving the technical effect of blind positioning. The present invention can be applied to test analyzers for specific proteins, cholesterol, heme, routine urine test, dry biochemical test, etc. The present invention has the advantages of convenient operation, time and effort saving, high efficiency and the like. Meanwhile, the present invention is simple in structure and low in cost, and is suitable for wide promotion.

Device, System And Method For Processing A Sample

A device for processing a sample comprises a blister defined by first and second walls. The first wall is flexible allowing the blister to be divided into one or more sealed regions by an external pressure applied to a portion of the first wall. The external pressure is applied in the form of a 2-dimensional shape to form a sealed region having that shape.

FLUIDIC DEVICE, APPARATUS COMPRISING FLUIDIC DEVICE AND METHOD OF USING SAME FOR FLUIDIC MANIPULATION
20230234049 · 2023-07-27 · ·

A fluidic device having first side and second side. The fluidic device includes first latch mechanism and second latch mechanism for receiving connector, arranged on first side; and a first fluidic chip holder and second fluidic chip holder, arranged on first side in alignment with first latch mechanism and second latch mechanism, for holding first fluidic chip and second fluidic chip, respectively. The fluidic device includes a traction surface to couple the fluidic device with an actuator to move the fluidic device to select which of first or second fluidic chip is to be used. Disclosed is an apparatus with a container, tubular material feeding line, tubular printing composition feeding line, and actuator.

Integrated microfluidic system for culturing and testing

The present disclosure describes a microfluidic chip for culturing and in vitro testing of 3D organotypic cultures. The tests may be performed directly on the organotypic culture in the microfluidic chip. The microfluidic chip includes at least one microfluidic unit which includes two fluidic compartments, such as upper and lower, separated by a permeable supporting structure, one or more access opening for the fluidic compartments, and a set of lids interchangeable with a set of insets. The permeable support structure serves as a support for the organotypic culture. The upper and lower compartments may include inlets and outlets which allow fluids to be perfused into the lower compartment and fluids to be perfused into the upper compartment. The access opening may be closed with a lid or accommodate an inset.

Cartridge with laminated manifold
11565252 · 2023-01-31 · ·

A circuit with electrical interconnect for external electronic connection and sensor(s) on a die are combined with a laminated manifold to deliver a liquid reagent over an active surface of the sensor(s). The laminated manifold includes fluidic channel(s), an interface between the die and the fluidic channel(s) being sealed. Also disclosed is a method, the method including assembling a laminated manifold including fluidic channel(s), attaching sensor(s) on a die to a circuit, the circuit including an electrical interconnect, and attaching a planarization layer to the circuit, the planarization layer including a cut out for the die. The method further includes placing sealing adhesive at sides of the die, attaching the laminated manifold to the circuit, and sealing an interface between the die and fluidic channel(s).

Apparatus and Electronic Device for Analysing Samples
20230022568 · 2023-01-26 ·

Examples of the disclosure relate to an apparatus for analysing fluid samples. The apparatus is sized and shaped so that it can fit into an input port of an electronic device. The input port could be an existing port of the electronic device such as an input port for a memory card or a charger. The electronic device can be configured with a heat transfer means so that, when the apparatus is inserted into the electronic device, heat from the electronic device can be used to control the temperature of a fluid sample within the apparatus. This can enable the reaction conditions within the apparatus to be controlled.