Patent classifications
B01L2400/043
SINGLE CELL PROCESSING INSTRUMENT
The present disclosure relates to a single cell analysis system. Disclosed herein is an instrument for single cell processing. The instrument comprises: a motor component; a processing component, which comprises a processing chamber inside and multiple first connecting holes; a container, which comprises a sample collecting reservoir, a waste collecting reservoir, multiple sample loading reservoirs, multiple first microchannels, and a second microchannel; a chip, which is connected under the container and forms a gap with the container, the chip comprises a third microchannel, the bottom of the third microchannel comprises a microwell array; a snap component comprises a feeding beam and a snap body, and a first end of the feeding beam connects to the snap body and a second end of the feeding beam connects to the motor component; and a pneumatic component which connects with the multiple first connecting holes.
POINT-OF-CARE IMMUNOASSAY DEVICE AND METHOD
An immunoassay device for use in quantitatively measuring an amount of an analyte in a fluid sample, employs reagents that include particle pairs comprising a) one of an antigen and antibody coupled with a label, and b) a magnetic particle coupled with the other of the antigen and antibody. A transport which moves a set of reaction wells along a path and a dispenser dispenses respective ones of the reagents into the reaction wells. Prior to magnetic separation and optical analysis, a controller that coordinates movement of the transport with operation of the pipette modules operates the transport to reciprocate the set of reaction wells along the path for mixing the fluid sample with the reagents.
Assay devices and methods of use thereof
Systems, methods, and apparatuses are provided for self-contained nucleic acid preparation, amplification, and analysis.
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.
Magnetic separation device and method of use
The current invention relates to the method and apparatus to magnetically separate biological entities with magnetic labels from a fluid sample. The claimed magnetic separation device removes biological entities with magnetic labels from its fluidic solution by using a soft-magnetic center pole with two soft-magnetic side poles. The claimed device further includes processes to dissociate entities conglomerate after magnetic separation.
METHODS FOR SORTING PARTICLES
Methods and systems for sorting particles are provided. Methods and systems for sorting cell beads are provided. In some cases, cell beads may be sorted from particles unoccupied with cell derivatives. In some cases, singularly occupied cell beads may be sorted from unoccupied particles and multiply occupied cell beads.
Method and Apparatus for Processing Material
A target substance is collected from a composition by using magnetically responsive particles and a magnetic transfer probe. The composition may be prepared, e.g., by introducing magnetically responsive particles to a sample. The particles selectively bind to a target substance of the composition. The target substance and the particles are collected from the sample by using the magnetic transfer probe, which comprises a probe magnet. The probe magnet is a permanent magnet, which comprises a cylindrical portion and a convex bottom portion adjoining the cylindrical portion. The particle collection region of the magnetic transfer probe is at a low position, which allows collecting the particles from a small amount of the prepared composition.
MAGNETIC ANALYSIS OF EXTRACELLULAR VESICLE GLYCANS
Devices and methods for analysing extracellular vesicle glycans are described. According to an embodiment, a microfluidic device comprises an inlet portion configured to receive a fluid sample; a mixing portion fluidically coupled to the inlet portion and configured to facilitate mixing between the fluid sample and magnetic nanoparticles functionalized to bind with extracellular vesicles and aggregate to vesicle glycans in the fluid sample; a magnetic separation portion fluidically coupled to the mixing portion and configured to separate clusters of magnetic nanoparticles from the fluid sample; and a magnetic sensor configured to measure magnetic properties of the fluid sample after it has passed through the magnetic separation portion. The magnetic nanoparticles may configured to aggregate in the presence of respective lectins when bound with extracellular vesicles carrying target glycans. In a specific embodiment, the magnetic particles comprise a magnetic polycore coated with polydopamine.
Device and method for the quantification of cellular and non-cellular blood components
A device for the quantification of cellular and non-cellular components in a blood sample including detection electrodes including a first electrode connected with a first input to receive a first signal in input and a second electrode, reference electrodes including a first electrode connected with a second input configured to receive a second signal in input of opposite polarity to the first input signal and a second electrode connected to the second electrode of said detection electrodes, in a common point wherefrom an output signal is picked up, a ferromagnetic concentrator that cooperates with an external magnetic field external to effectuate concentration of said components on said detection electrodes, a substrate configured to house said detection electrodes, reference electrodes, and concentrator; a support configured to collect a blood sample, and a spacer element to confine in the substrate plane the blood sample and to distance said substrate from said support.
Method for contactlessly determining the position of a driven rotor of an electric motor, electric motor, and pipetting system for aspirating and dispensing pipetting liquid having such an electric motor
There is provided a method for contactless determination of the position of a driven moving portion (4) of an electric motor (2) by means of a plurality of magnetic field sensors (8), wherein the moving portion is movably arranged with respect to a stator (6) and has a plurality of permanent magnets (40) which generate a moving-portion magnetic field having a plurality of periodically spaced apart maxima, and wherein the plurality of magnetic field sensors are arranged along a movement path (43) of the moving portion. The method comprises the following steps: by means of the plurality of magnetic field sensors, determining a plurality of measured values (70) for a momentary magnetic field that is generated by the plurality of permanent magnets and dependent on the position of the moving portion, determining a specific spectral signal component (74) from the plurality of measured values (70), the specific spectral signal component having the spatial frequency corresponding to the distance between adjacent like maxima of the moving-portion magnetic field, and determining the position of the driven moving portion by means of the specific spectral signal component.