G01N15/1427

SORTING CONTROL DEVICE, PARTICLE SORTING DEVICE AND PARTICLE SORTING SYSTEM USING SORTING CONTROL DEVICE, SORTING CONTROL METHOD, AND CONTROL PROGRAM

To provide a technique for controlling a timing for sorting, in order to improve sorting performance of particles in a technique for sorting target fine particles in a passage.

Provided is a sorting control device including a sorting control unit configured to adjust a parameter for determination of a sorting condition on the basis of at least one of information regarding a target degree of purity or information regarding a target yield, of a target particle in acquired particles, in a sorting method for sorting a particle flowing through a passage. Furthermore, provided is a particle sorting device for sorting a particle flowing through a passage. The particle sorting device includes: a light detection unit configured to detect optical information obtained from a sample liquid; a sorting unit configured to sort a particle from the sample liquid on the basis of detected optical information; and a sorting control unit configured to adjust a parameter for determination of a sorting condition, on the basis of at least one of information regarding a target degree of purity or information regarding a target yield, of a target particle in acquired particles.

PARTICLE SORTING KIT
20220381655 · 2022-12-01 ·

To provide a particle sorting kit provided with a filter that functions even at a small flow rate with a small loss amount of particles.

Provided is a particle sorting kit provided with a sample accommodation unit configured to accommodate a sample liquid containing particles, a microchip provided with a sample flow path through which the sample liquid flows and a sorting flow path in which target particles are sorted from the sample liquid, and a filter unit provided with a filter and a tapered portion that decreases a flow path diameter in a flow direction downstream of the filter.

SYSTEM AND METHOD FOR SELECTIVE MICROCAPSULE EXTRACTION
20220371009 · 2022-11-24 ·

A system for selective microcapsule extraction includes a non-planar core-shell microfluidic device. The non-planar core-shell microfluidic device generates microcapsules defining a core-shell configuration. A subset of the microcapsules contain aggregates, tissues, or at least one cell. A camera captures images of the microcapsules. A detection module includes a processor and a memory. The memory includes instructions that when executed by the processor causes the detection module to provide the images of the microcapsules as an input to a machine learning model. The machine learning model identifies microcapsules containing aggregates, tissues, or at least one cell. A force generator generates a force to extract the microcapsules. A microcontroller selectively activates the force generator to generate the force when the detection module identifies a microcapsule containing aggregates, tissues, or at least one cell to extract the microcapsule.

Methods and apparati for nondestructive detection of undissolved particles in a fluid
11501458 · 2022-11-15 · ·

The apparati, methods, and computer program products disclosed herein can be used to nondestructively detect undissolved particles, such as glass flakes and/or protein aggregates, in a fluid in a vessel, such as, but not limited to, a fluid that contains a drug.

METHODS AND APPARATI FOR NONDESTRUCTIVE DETECTION OF UNDISSOLVED PARTICLES IN A FLUID
20230038654 · 2023-02-09 ·

An apparatus for nondestructive detection of transparent or reflective objects in a vessel includes an imager configured to acquire data that represent light reflected from spatial locations in the vessel as a function of time, a memory operably coupled to the imager and configured to store the data, and a processor operably coupled to the memory and configured to detect the objects based on the data by (i) identifying a respective maximum amount of reflected light, over time, for each location in the spatial locations based on the data representing light reflected from the spatial locations as a function of time, and (ii) determining a presence or absence of the objects in the vessel based on the number of spatial locations whose respective maximum amount of reflected light, over time, exceeds a predetermined value.

Particle sorting apparatus and particle sorting method
11492586 · 2022-11-08 · ·

A first imaging unit obtains an image of at least one of a jet flow, droplets or satellite drops. Based on a feature value of the at least one of the jet flow, the droplets or the satellite drops in the image, a controller controls a timing of starting to supply charges from a charge supply unit to a final jet flow droplet in one period of vibrations of a vibration element or an amplitude of a drive voltage applied to the vibration element so as to cause variation of a side stream to fall within a reference range.

Method and system for microfluidic particle sorting

A system for orienting particles in a microfluidic system includes one or more radiation pressure sources arranged to expose particles to radiation pressure to cause the particles to adopt a particular orientation in the fluid. A system for sorting particles in a microfluidic system includes a detection stage arranged to detect at least one difference or discriminate between particles in the fluid flow past the detection stage, and one or more radiation pressure sources past which the particles move sequentially and a controller arranged to switch radiation energy to cause a change in direction of movement of selected particles in the fluid flow to sort the particles. The particles may be biological particles such as spermatozoa. The radiation pressure may be optical pressure and may be from one or more waveguides which may extend across a channel of the microfluidic system.

Fluorescence lifetime imaging (FLIM) and flow cytometry applications for a time synchronized sensor network
11480514 · 2022-10-25 · ·

A sensor network, which includes a sensor controller serially coupled to a plurality of sensor modules, is configured to program the sensor modules so as to transfer measurement data to the sensor controller and to synchronize the sensor modules to picosecond accuracy via on-chip or on-module custom circuits and a physical layer protocol. The sensor network has applications for use in PET, LiDAR, FLIM and flow cytometry applications. Synchronization, within picosecond accuracy, is achieved through use of a picosecond time digitization circuit. The picosecond time digitization circuit is used to measure on-chip delays with high accuracy and precision. The delay measurements are directly comparable between separate chips even with voltage and temperature variations between chips.

Microparticle sorting device and method for sorting microparticles
11686662 · 2023-06-27 · ·

There is provided technology that enables a microparticle sorting device to be adjusted highly accurately without using adjustment beads. The present technology provides a microparticle sorting device including a light detection unit that optically detects a microparticle flowing through a flow path, a droplet forming unit that forms a droplet containing the microparticle, and a device adjustment unit that adjusts the device, in which, in a process of adjusting the device before actual measurement of the microparticle, the device adjustment unit performs optical axis position calibration for calibrating a relative position of the flow path relative to irradiation light and delay time calibration for calibrating a delay time from light irradiation to the microparticle to formation of the droplet on the basis of information obtained from the microparticle to be measured.

APPARATUS AND METHOD FOR DETECTING CELLS OR PARTICLES IN A FLUID CONTAINER
20170363534 · 2017-12-21 ·

A apparatus for detecting cells or particles in a fluid container includes a dispenser configured to dispense at least one cell or at least one particle into a defined sub-volume of a fluid with which the fluid container is at least partially filled, and a detection apparatus configured to, in a time-coordinated manner with dispensing the at least one cell or the at least one particle by the dispenser, perform a detection in the defined sub-volume and/or in one or several sub-volumes underneath the defined sub-volume in order to sense the at least one cell or the at least one particle when entering the fluid or immediately after entering the fluid.