B01L2300/0864

Isoelectric focusing devices and fixtures

Methods, devices, and systems for performing isoelectric focusing reactions are described. The systems or devices disclosed herein may comprise fixtures that have a membrane. In some instances, the disclosed devices may be designed to perform isoelectric focusing or other separation reactions followed by further characterization of the separated analytes using mass spectrometry. The disclosed methods, devices, and systems provide for fast, accurate separation and characterization of protein analyte mixtures or other biological molecules by isoelectric point.

MICROFLUIDIC APPARATUS, METHOD OF DETECTING SUBSTANCE IN MICROFLUIDIC APPARATUS, AND LIGHT EXTRACTION APPARATUS

A microfluidic apparatus is provided. The microfluidic apparatus includes a base substrate; a microfluidic device on the base substrate and including a plurality of micro fluidic channels; a plurality of light sources of different colors respectively emitting light of different wavelength ranges; a light extraction apparatus for extracting light respectively from the plurality of light sources of different colors and a plurality of photosensors. The light extraction apparatus includes a light guide plate having a plurality of light incident portions for respectively receiving light respectively incident from the plurality of light sources of different colors, the plurality of light incident portions being on a side of the light guide plate away from the microfluidic device; and a plurality of light extractors on the light guide plate.

METHOD OF ANALYSIS

Method of analysis. In the method, a microfluidic device defining a flow path extending from an inlet to an outlet may be selected. A sample-containing fluid may be introduced into the flow path via the inlet. Volumes of the sample-containing fluid may be isolated from one another on the flow path. A two-dimensional monolayer of the volumes may be imaged. The two-dimensional monolayer may be formed along the flow path between the inlet and the outlet.

MULTISYSTEM FOR SIMULTANEOUSLY PERFORMING BIOCHEMICAL EXAMINATION AND BLOOD TEST, AND MULTI-DISC USED THEREIN
20210356487 · 2021-11-18 · ·

The present invention relates to a multisystem for simultaneously performing a biochemical examination and a blood test or an immunity test, the multisystem including a multi-disc in which a biochemical examination unit, a blood testing unit and an immunity test unit are divided and formed in a fan shape based on a rotation center. There is an effect that it is possible to perform all of a biochemical examination for measuring concentration values of biochemical components of serum to diagnose vital functions, a blood testing for separating blood samples to measure and test the number and deformation of red blood cells or white blood cells, and an immunity test for measuring an antigen-antibody reaction of serum to diagnose and test cancer or viruses in one device at the same time by using the multi-disc according to the present invention.

MICROFLUIDIC PROCESS FOR TREATING AND ANALYSING A SOLUTION CONTAINING A BIOLOGICAL MATERIAL AND CORRESPONDING MICROFLUIDIC CIRCUIT
20220010363 · 2022-01-13 ·

The subject matter of the present invention is a microfluidic process for treating and analysing a solution containing a biological material, comprising a step of introducing the solution into microchannels of a microfluidic circuit (1), a step of forming drops of this solution, under the effect of modifications of the surface tension of the solution, a step of moving the drops to one or more drop storage zones(s) (130), under the effect of modifications of the surface tension of the drops, a step of treating the drops and a step of analysing the drops.

SYSTEM AND CARTRIDGE FOR SAMPLE TESTING

A system for analysis of a sample to aid in diagnosis and/or detection of the presence or absence, and/or the identity of, an analyte in the sample is provided. A cartridge with reagents to isolate nucleic acid from a sample inserted in the cartridge and to amplify the isolated nucleic acid, and an instrument that interacts with the cartridge, together provide a self-contained sample to answer system for detection, identification, differentiation and/or quantification of a target nucleic acid in a sample.

DEVICE AND METHOD FOR MICRODROPLET DETECTION OF CELLS
20220008927 · 2022-01-13 · ·

Devices, systems, and associated methods are provided for manipulating and/or determining one or more characteristics of cells contained within a biological sample. In particular a device and methods of use thereof are provided, the device comprising a sorting component configured to separate cell-containing microdroplets from empty ones into a population of cell-containing first microdroplets; a microdroplet manipulation component configured to manipulate the first microdroplets using real or virtual electrowetting electrodes, and an optical detection system configured to detect an optical signal from the microdroplets via the one or more detection windows.

SYSTEMS AND METHODS FOR CLASSIFYING T CELL ACTIVATION STATE

Systems and methods for classifying T cells by activation state are disclosed. The system includes a cell analysis pathway, a time-resolved autofluorescence decay spectrometer, a processor, and a non-transitory computer-readable memory. The memory is accessible to the processor and has stored thereon instructions. The instructions, when executed by the processor, cause the processor to: a) receive the time-resolved autofluorescence decay signal; b) compute at least a first phasor coordinate at a first frequency and a second phasor coordinate at a second frequency from the time-resolved autofluorescence decay signal, wherein the first and second frequency are different; and c) compute an activation prediction for the T cell using at least the first phasor coordinate and the second phasor coordinate.

WORLD-TO-CHIP AUTOMATED INTERFACE FOR CENTRIFUGAL MICROFLUIDIC PLATFORMS

A centrifugal microfluidic platform is combined with a stationary liquid pumping system which pumps liquids into microfluidic chips by dripping through a stationary dispensing nozzle without any physical contact or coupling between the nozzles and the microfluidic chips.

SYSTEMS AND METHODS FOR EVALUATING AN ABILITY OF A BLOOD SAMPLE TO COAGULATE, CLOT, AND/OR OCCLUDE

A system for evaluating an ability of a blood sample to coagulate, clot, and/or occlude includes a microfluidic device including a body and a tortuous microchannel formed in the body, wherein the tortuous microchannel includes a plurality of alternating curves and has a tortuosity index (TI) of at least 2.0, and a pump fluidically configured to fluidically connect to the tortuous microchannel of the microfluidic device and to induce a blood flow through the tortuous microchannel at at least one of a constant pressure and a constant flowrate.