G01N15/1031

Measuring system and manufacturing process of such a measuring system

The invention relates to a system (10) adapted to measure multiple biophysical characteristics of cells, the system (10) comprising: a microfluidic chip (12) provided with a microfluidic channel (14) which allows cells to flow through, the microfluidic channel (14) having an inlet (14a), an outlet (14b), and a lateral opening (14c) situated between the inlet (14a) and the outlet (14b); and a capacitive sensor (30) integrated in the microfluidic chip, adapted to obtain biophysical characteristics of a single cell in the microfluidic channel (14) by directly manipulating the single cell by sensor elements (31, 32) through the lateral opening (14c) of the microfluidic channel (14), the sensor (30) comprising a stationary part and an electrostatically driven movable part which is movable relative to the stationary part, the stationary part being fixed to the microfluidic chip (12), the movable part being arranged in the lateral opening (14c) of the microfluidic channel (14), wherein a portion of the sensor elements (31, 32) provides an interface between fluid and air in the system.

Apparatus and method for concentration of polarizable molecules within a fluid medium

The disclosure relates to an apparatus and associated method for concentration of polarizable molecules within a fluid medium. The apparatus comprising a structure defining a cavity, having a cross-sectional dimension of 200 nm or less; at least two translocation electrodes positioned relative to the structure to enable generation of a DC electric field passing through the cavity; and at least two trapping electrodes positioned relative to the structure to enable generation of a time-varying electric field proximal to the cavity inlet.

mAb-DRIVEN CHIMERIC ANTIGEN RECEPTOR SYSTEMS FOR SORTING/DEPLETING ENGINEERED IMMUNE CELLS

A polypeptide encoding a chimeric antigen receptor (CAR) comprising at least one extracellular binding domain that comprises a scFv formed by at least a VH chain and a VL chain specific to an antigen, wherein said extracellular binding domain comprises at least one mAb-specific epitope.

Microfluidic Sensing

A device including a microfluidic channel structure formed on a substrate and including a first channel and a fluid actuator within the microfluidic channel structure. A sense region within the first channel is to receive a fluid flow of target biologic particles for counting in a single file pattern, with the sense region having a volume on a same order of magnitude as a volume of a single one of the target biologic particles.

ANTI-CLL1 SPECIFIC SINGLE-CHAIN CHIMERIC ANTIGEN RECEPTORS (SCCARS) FOR CANCER IMMUNOTHERAPY

The present invention relates to Chimeric Antigen Receptors (CAR) that are recombinant chimeric proteins able to redirect immune cell specificity and reactivity toward CLL1 positive cells. The engineered immune cells endowed with such CARs are particularly suited for immunotherapy for treating cancer, in particular leukemia.

MICROFLUIDICS DETECTION

A method of microfluidic detection can include detecting, using an impedance sensor, an impedance of a fluid to indicate whether a threshold amount of fluid has been received in a reservoir of a microfluidic chip. The method can include initiating a test performed by the microfluidic chip on the received fluid when the threshold amount of fluid has been received.

DIAGNOSTIC CHIP

A microfluidic diagnostic chip may comprise a main fluid channel comprising a main pump, a secondary fluid channel branching off from the main fluid channel, and a secondary pump within the secondary fluid channel wherein the secondary pump is to pull a particle of analyte of a first size from a fluid passing through the main channel, the fluid comprising particles of analyte of the first size and of a number of larger sizes. A method of analyzing an analyte on a microfluidic chip may comprise pumping, with a main microfluidic pump, a fluid comprising an analyte particle through a main microfluidic channel fluidly coupled to a fluid slot and sorting the analyte particle within the fluid through a secondary microfluidic channel by pulling the analyte particle into the secondary microfluidic channel with a secondary microfluidic pump.

OPTICAL PARTICLE SORTER
20180010997 · 2018-01-11 ·

A process for optically sorting a plurality of particles includes: providing a particle receiver; producing particles; receiving the particles by the particle receiver; receiving a light by the particle receiver; producing a standing wave optical interference pattern in an optical interference site of the particle receiver from the light; subjecting the particles to an optical gradient force from the standing wave optical interference pattern; deflecting the particles into a plurality of deflected paths to form the sorted particles from the particles; and propagating the sorted particles from the optical interference site through the deflected paths to optically sort the particles

Microfluidic device with integrated micro-structured electrodes and methods thereof

The present disclosure provides a microfluidic device comprising a set of micro-structured electrodes. The electrodes are made of a fusible alloy such as Field's Metal and are patterned on a layer of PDMS. The molten fusible alloy is poured over the patterned PDMA layer and a suction force is applied to ensure uniformity of flow of the molten metal. A second layer comprising a flow channel orthogonal to the direction of the micro-structured electrodes is disposed under the first layer to form the microfluidic device. The device shows enhanced sensitivity to RBC detection at high frequencies that are also bio-compatible (above 2 MHz). Multiple layers of the micro-structures electrodes can be sandwiched between layers of flow channels to provide a 3D microfluidic device.

MASS CYTOMETRY REAGENTS AND METHODS FOR SIGNAL AMPLIFICATION

Described herein are reagents and methods for improving signal in imaging mass cytometry. Aspects include mass tags with a large number of labeling atoms, chemical modifications to mass tags and additional reagents to reduce background and/or maintain target binding of mass tagged specific binding partners (SBPs), and schemes for associating a plurality of mass tags with a single SBP. As such, embodiments include any combination of one or more reagents and their use. The reagents, kits and methods herein may be used for mass cytometry, including imaging mass cytometry. In some aspects, reagents, kits or methods may be used for delivery of a large number of radioisotopes to a target analyte, for example for therapeutic use or radiometric detection. In certain aspects, only non-radioactive isotopes may be used for mass cytometry.