C12M35/02

Method for producing cell contained base and method for evaluating equipment

Provided is a method for producing a cell contained base, the method being capable of providing a cell contained base highly accurately controlled in number of nucleic acid molecules contained in a low-concentration nucleic acid standard sample, the method including a liquid droplet discharging step of discharging a cell suspension in the form of a liquid droplet with a liquid droplet discharging unit onto a base including at least one cell contained region; a cell number counting step of counting a number of cells contained in the liquid droplet with a plurality of sensors from two or more directions while the liquid droplet is flying into the cell contained region; and a liquid droplet landing step of landing the liquid droplet in the at least one cell contained region in a manner that a predetermined number of cells are located in the at least one cell contained region.

CELL CULTURE APPARATUS
20230023499 · 2023-01-26 ·

A cell culture apparatus includes: a substrate having a first surface; a pair of structures each having a wall surface intersecting the first surface, the wall surfaces facing each other; and an electrode disposed on the first surface and traversing a space between the wall surfaces, the electrode and each of the wail surfaces forming an angle other than 90 degrees.

Cell treatment apparatus and method for treating cells with lasers
11560540 · 2023-01-24 · ·

The present invention is intended to provide a cell treatment apparatus and a method for treating cells that can suppress a variation of a treatment time of treating cells using laser light. The cell treatment apparatus of the present invention includes: a cell treatment chamber in which cells in a cell culture vessel are treated; an observation unit that can observe the cells; a laser projection unit that can project a laser image onto the cells; a laser moving unit that can move the laser projection unit; and a control unit. The laser projection unit includes: a laser light source; and a laser image generation portion that generates the laser image to be projected onto the cells from laser light oscillated from the laser light source. The control unit controls generation of the laser image by the laser image generation portion. By moving the laser moving unit from a projection start position of the laser image at one end of the cell culture vessel to a projection end position of the laser image at the other end of the cell culture vessel, the laser projection unit projects the laser image from the projection start position of the laser image at one end of the cell culture vessel to the projection end position of the laser image at the other end of the cell culture vessel.

Regulated storage capacitor charging device and method

A device and method are disclosed for regulated storage capacitor charging to high voltage. The device comprises an AC source configured to output an AC voltage, a voltage multiplier that constitutes a charging unit and a control unit. The control unit is configured to constantly sense the voltage on the storage capacitor and upon detecting that a predefined maximum charging voltage has been reached to react in at least one of the following ways: stop charging the storage capacitor, and closing an output switch so as to discharge of the storage capacitor through some load. The capacitance of each capacitor in the charging unit is substantially smaller than that of the storage capacitor so as achieve accurate maximum charging voltage as well as limited charging current.

Fluid connector

Disclosed herein are cell processing systems, devices, and methods thereof. A system for cell processing may comprise a plurality of instruments each independently configured to perform one or more cell processing operations upon a cartridge, and a robot capable of moving the cartridge between each of the plurality of instruments.

DETERMINISTIC HYBRIDOMA GENERATION VIA MICROFLUIDICS
20230016357 · 2023-01-19 ·

The present invention provides compositions, systems, kits, and methods for combining a. single myeloma cell and a single B-cell (e.g., from an animal exposed to a desired antigen) via discrete entity (e.g., droplet) microfluidics. In certain embodiments, a microfluidic device is used to merge a discrete entity containing a B-cell, and a discrete entity containing a myeloma cell, and a discrete entity containing gellable material, at a merger region via a trapping element in order to generate a combined discrete entity. In further embodiments, the combined discrete entity is treated such that a gelled discrete entity is formed.

METHOD TO INCREASE THE PERMEABILITY OF THE PLASMA MEMBRANE OF CELLS AND A STRUCTURE SUITABLE FOR USE IN SUCH METHOD
20220403317 · 2022-12-22 ·

The invention relates to a method to increase the permeability of the plasma membrane of cells by introducing at least one cell on or near a structure comprising particles able to absorb electromagnetic radiation. The particles, present in a concentration ranging between 0.001 vol % and 20 vol %, are embedded in the material of the structure. At least 60% of the particles present in the structure are embedded in the material in such a way that the shortest distance L between these particles and the free area surface S of the structure ranges between 1 nm and 500 nm.

The invention further relates to a structure suitable for use in a photothermal process to permeabilize cells and to the use of such structure.

BIOREACTOR APPARATUS AND METHOD FOR IN-VITRO HEART SIMULATION

An apparatus comprising an actuator for moving an actuator rod and a bioreactor vessel is disclosed herein. The bioreactor vessel comprises a container for holding a liquid, a mounting for mounting a tissue sample in the container, and, an actuator coupling to enable the actuator rod to be connected for applying mechanical force to the tissue sample. The apparatus also comprises a seat, fixed with respect to the actuator and configured for locating the reactor vessel in a location selected so that the actuator can be connected for applying said force via the actuator coupling. The reactor vessel is removable from the apparatus.

Systems and Devices for Delivering Cargo Material and Methods of Delivering Cargo Materials
20220396811 · 2022-12-15 ·

The present disclosure provides for methods of delivering cargo material to a cell(s) in vivo or in vitro, devices configured to deliver cargo material to the cell, systems configured to deliver cargo material to the cell, and the like. The present disclosure can synergistically combine multiple technologies to improve the rate of cargo material introduction and utility of physical cellular modification in a transformative way compared to the current microinjection state-of-the art.

Electric pulse generation system using capacitive coupling

In accordance with the present disclosure, exposure of a sample to one or more electric pulses via capacitive coupling is described. In certain embodiments, the sample may be a biological sample to be treated or modified using the pulsed electric fields. In certain embodiments, the electric pulses may be delivered to a load using capacitive coupling. In other embodiments, the electric pulses may be bipolar pulses.