B01L2300/161

MICROFLUIDIC CHIP AND FABRICATION METHOD
20230211345 · 2023-07-06 ·

A microfluidic chip and a fabrication method of the microfluidic chip are provided. The microfluidic chip includes an array substrate, and a hydrophobic layer disposed on a side of the array substrate. The hydrophobic layer includes at least one through-hole, and a through-hole of the at least one through-hole penetrates through the hydrophobic layer along a direction perpendicular to a plane of the array substrate. The microfluidic chip also includes at least one hydrophilic structure. A hydrophilic structure of the at least one hydrophilic structure is disposed in the through-hole.

Method for manufacturing fluid device composite member

A fluid device composite member includes: a silicone member that includes a body part which is made of silicone and which has a flow-path-defining section for defining a flow path on one surface of the body part, and that includes barrier layer having hydrophilicity or hydrophobicity disposed in at least a portion of the flow-path-defining section; and a resin substrate disposed on another surface of the body part opposite to the one surface. This method for manufacturing the fluid device composite member includes a layered body manufacturing step in which a liquid silicone material is placed on a surface of the resin substrate, and the liquid silicone material is cured at a temperature of 100° C. or less to obtain a layered body in which a silicone cured product is bonded to the resin substrate.

Analytic substrate coating apparatus and method
11692915 · 2023-07-04 ·

An apparatus and method for producing a coated analytic substrate using a compact and portable automated instrument located in the laboratory setting at the point of use which can consistently produce one or a plurality of coated analytic substrates “on demand” for using the analytic substrate immediately after coating, preferably without a step of rinsing the coated analytic substrate before use. The apparatus preferably uses applicator cartridges having a reservoir containing the coating compositions used to form the coatings. Preferably the cartridges are removable and interchangeable to facilitate the production of individual analytic substrates having different coatings or different coating patterns. These coated analytic substrates have superior specimen adhesion characteristics due to the improved quality of the coatings applied by the coating apparatus and due to the quickness with which the coated analytic substrates can be used in the lab after production.

Autoplatelet cartridge device

Embodiments of a platelet testing system include an analyzer console device and a blood testing cartridge configured to releasably install into the console device. The cartridge device is configured with one or more measuring chambers and one or more mixing chambers that are fluidically connected within the cartridge device that enable the mixing of saline and a blood sample to a desired dilution. Additionally, the cartridge device is further configured with a cartridge slider that provides a reagent bead to the saline and blood mixture at a desired time. As such, one or more platelet activation assays can be conducted by measuring, through cartridge electrodes of the cartridge device, the detectable changes in platelet activity within the blood and saline mixture.

System for manipulating samples in liquid droplets

A liquid droplet manipulation system has a substrate with at least one electrode array and a central control unit for controlling selection of individual electrodes of the electrode array and for providing the electrodes with individual voltage pulses for manipulating liquid droplets by electrowetting. A working film is placed on top of the electrodes for manipulating samples in liquid droplets with the electrode array. At least one selected individual electrode of the electrode array is configured to be penetrated by light of an optical detection system for the optical inspection or analysis of samples in liquid droplets that are located on the working film. Also disclosed is working film that is to be placed on the electrode array and a cartridge that includes such a working film for manipulating samples in liquid droplets.

Test container for examination

A test container includes a container main body including a first-accommodation-portion, a second-accommodation-portion, and a third-accommodation-portion each accommodating a liquid and internally provided, a first flow path connecting the first-accommodation-portion and the second-accommodation-portion to each other at respective upper end positions thereof and internally provided, and a second flow path connecting the second-accommodation-portion and the third-accommodation-portion to each other at respective upper end positions thereof and internally provided, in which at least a portion forming an upper wall surface of the second-accommodation-portion has flexibility to be deformable inwards of the second-accommodation-portion; and a liquid return prevention structure which prevents a backflow of the liquid to the first-accommodation-portion, when the liquid accommodated in the second-accommodation-portion is fed to the third-accommodation-portion via the second flow path due to deformation of the portion forming the upper wall surface of the second-accommodation-portion inwards of the second-accommodation-portion.

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.

DETECTION CHIP AND MANUFACTURING METHOD THEREFOR, AND REACTION SYSTEM
20220411732 · 2022-12-29 ·

Disclosed are a detection chip and a manufacturing method therefor, and a reaction system. The detection chip includes: a first substrate (11); a microcavity defining layer (12), which is located on the first substrate (11) and defines a plurality of micro-reaction chambers (120); and a shading structure layer (13), which is located on the first substrate (11) and provided among the plurality of micro-reaction chambers (120). In practical application, the number of target molecules in a reaction system solution in each micro-reaction chamber (120) can be determined by collecting a fluorescence image; and the detection chip is provided with the shading structure layer (13), and the shading structure layer (13) is located on the first substrate (11) and provided among the plurality of micro-reaction chambers (120).

DETECTION CHIP, METHOD OF USING DETECTION CHIP AND REACTION SYSTEM
20220410149 · 2022-12-29 ·

A detection chip, a method of using a detection chip and a reaction system are provided. The detection chip includes a first substrate, a micro-chamber definition layer and a heating electrode. The micro-chamber definition layer is located on the first substrate and defines a plurality of micro-reaction chambers. The heating electrode is located on the first substrate and closer to the first substrate than the micro-chamber definition layer, and configured to release heat after being energized. The heating electrode includes a plurality of sub-electrodes, orthographic projections of the plurality of micro-reaction chambers on the first substrate overlap with orthographic projections of at least two of the plurality of sub-electrodes on the first substrate, and the at least two of the plurality of sub-electrodes have different heating values per unit time after being energized.

MICROFLUIDIC CHIP AND MICROFLUIDIC DEVICE
20220410160 · 2022-12-29 ·

The present disclosure provides a microfluidic chip including a plurality of microcavities, at least two of the plurality of microcavities have different volumes.