A first buffer fluid containing a first bead having fixed to a surface thereof a first antibody that specifically binds to a first antigen is injected into a reaction container, and then a plurality of a second bead having fixed to a surface thereof a second antibody that specifically binds to an optional second antigen, and a biological sample containing an exosome to be analyzed having the first antigen and the second antigen on a surface of the exosome are injected into the reaction container, thereby generating a second buffer fluid. An exosome having the first bead and the second bead bound thereto is collected from the second buffer fluid. The exosome having the first bead and the second bead bound thereto is separated into the first bead, the second bead, and the exosome, and the second bead and the exosome are individually collected.

Superparamagnetic nanoparticle-based analytical method comprising providing a sample having analytes in a sample matrix, providing a point of care chip having analytical regions, each of which is a stationary phase having at least one or more sections, labeling each of the analytes with a superparamagnetic nanoparticle and immobilizing the labeled analytes in the stationary phase, providing an analytical device having a means for exciting the superparamagnetic nanoparticles in vitro and a means for sensing, receiving, and transmitting response of the excited superparamagnetic nanoparticles, placing the chip in the analytical device and exciting the superparamagnetic nanoparticles in vitro, sensing, receiving, and transmitting the response of the superparamagnetic nanoparticles, and analyzing the response and determining characteristic of the analytes, wherein the response of the superparamagnetic nanoparticles comprises harmonics. The present invention also provides the hybrid point of care chip and analyzer to be used in the analytical method.

A microfluidic device, a microfluidic detection assembly and a detection method for the microfluidic device. The microfluidic device includes a first substrate and a second substrate; the first substrate and the second substrate are oppositely arranged to define a channel between the first substrate and the second substrate, the channel is configured for liquid to flow, the first substrate includes a base substrate and a plurality of control assemblies which are arranged on the base substrate along an extending direction of the channel, each of the plurality of control assemblies includes: a first electrode, a second electrode and a plurality of coils, and the first electrode is configured to input currents into the plurality of coils, and the plurality of coils are connected in parallel to the second electrode.

A method for quantifying the activity of the proteins/enzymes involved in the conjugation of the SUMO/Ubiquitin/Nedd8 proteins in a cell of a biological sample the method including: a) a step of contacting a cellular extract of cell with each protein of a subgroup of at least 3 proteins wherein the at least 3 proteins corresponds to the proteins essentially including or only including the sequences SEQ ID NO: 1 to 3, b) a step of simultaneously measuring ubiquitination, sumoylation and neddylation level of each of the at least 3 proteins to obtain a first value for ubiquitin, SUMO and Nedd8.

Disclosed are a two-layer microfluidic chip with magnetic bead luminescence and a detection system. The chip comprises a top plate and a bottom plate. The top plate comprises a sample addition section, a conjugated ligand storage section, and a sample mixing area, wherein the sample mixing area is in communication respectively with the sample addition section and the conjugated ligand storage section. The bottom plate comprises a flow guiding area, a magnetic bead coating section, a washing area, a detection area, and a washing fluid storage section, wherein the flow guiding area is arranged with a recess that is lower than the bottom wall of the magnetic bead coating section in the height direction, and a flow guiding portion fitted to the recess and connecting the magnetic bead coating section.

Systems, devices, compositions and methods for positioning and/or processing a target are provided. The invention includes systems, devices, methods and related compositions useful, for example, for the separation, isolation, purification, identification, detection and quantification of materials. Also provided are systems and methods for isolation, and/or detection and/or quantification of a target or analyte in a sample. Some systems, devices, compositions and methods comprise oil and aqueous phases stabilized in close proximity to each other. Some systems, devices and methods use a magnetic force to draw a target or carrier-bound through multiple layers. In some embodiments, systems and devices comprise reagents for detection of a target or analyte.

The present application relates to detection units and methods for detecting one or more target analytes in a sample using a complex formed by a target and first and second probes, wherein the complex comprises an elongated region, a particle that is coupled to the first probe, and a solid support that is coupled to the second probe. Specific binding of a target analyte can be distinguished from non-specific binding of the particle by measuring the displacement of the particle.

A system for detecting analytes in a test sample, and a method for processing the same, is provided. The system includes a cartridge reader unit that has a control unit and a pneumatic system, and a cartridge assembly that prepares the samples with mixing material(s) through communication channels. The assembly has a memory chip with parameters for preparing the sample and at least one sensor. The assembly, pneumatic system, and control unit operate together to prepare the sample and provide the prepared sample to the sensor for detecting analytes, and also process measurements from the sensor to generate test results.

The present invention relates to automated methods for isolating fetal cells from a sample, such as a blood sample, derived from a pregnant woman. The isolated fetal cells can be used for identifying genetic abnormalities in the fetal DNA.

Provided is a novel high sensitive method for assaying misfolded SOD1 in a body fluid of a subject, in particular in the cerebrospinal fluid. This method is based on a novel highly sensitive immunoassay making use of a unique epitope of SOD1 and corresponding anti-SOD1 antibodies. In addition, kits comprising the components of the immunoassay are provided.