B01L2300/14

Melting device and melting method
11571699 · 2023-02-07 · ·

A melting device is provided that melts a bio-derived frozen product contained in a container including a heat transfer section comprising at least two heating bags, each of which is filled with a heating liquid and is capable of sandwiching the container between the at least two heating bags and a suction mechanism that sucks air from a space between the at least two heating bags and surrounding the container.

Devices, systems, and methods for quantitation of insulin

Devices that may couple two or more apparatuses, such as an organ-on-a-chip device and a microfluidic device. Devices that include an organ-on-a-chip device, a microfluidic device, and a cap that couples the organ-on-a-chip device and the microfluidic device. Systems that include the devices and a detection unit. Methods for quantitation of insulin.

SYSTEMS AND DEVICES FOR MICROFLUIDIC INSTRUMENTATION

Various embodiments herein disclose a device, comprising one or more fluid interfacing components and a cartridge holder, wherein the one or more fluid interfacing components are fixed while the cartridge holder moves along a linear guide. Also disclosed herein are methods of using the device to analyze a sample containing particles, and methods of diagnosing a disease in a subject by using the device.

Microfluidic cartridge for processing and detecting nucleic acids

A system, configured to facilitate processing and detection of nucleic acids, the system comprising a process fluid container and a cartridge comprising: a top layer, a set of sample port-reagent port pairs, a shared fluid port, a vent region, a heating region, and a set of detection chambers; an intermediate substrate, coupled to the top layer comprising a waste chamber; an elastomeric layer, partially situated on the intermediate substrate; and a set of fluidic pathways, each formed by at least a portion of the top layer and a portion of the elastomeric layer, wherein each fluidic pathway is fluidically coupled to a sample port-reagent port pair, the shared fluid port, and a detection chamber, comprises a portion passing through the heating region, and is configured to be occluded upon deformation of the elastomeric layer, to transfer a waste fluid to the waste chamber, and to pass through the vent region.

Methods and Devices for Analyzing Particles

Methods, devices and systems for analyzing precious samples of cells, including single cells are provided. The methods, devices, and systems in various embodiments of the invention are used to assess genomic heterogeneity, which has been recognized as a central feature of many cancers and plays a critical role in disease initiation, progression, and response to treatment. The methods devices and systems are also used to analyze embryonic biopsies for preimplantation genetic diagnosis (PGD). In one embodiment, the devices, systems and methods provided herein allow for the construction of genomic and RNA-seq libraries without a pre-amplification step.

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.

Gradient elution moving boundary electrophoresis for use with complex samples and detection of toxins

Methods of detecting the presence of toxins in a sample using electrophoretic separations and of performing electrophoretic separation of complex samples are provided. The method of detecting the presence of toxins includes reacting a sample and a substrate with a signaling enzyme which converts the substrate to the product in a reaction medium, introducing a run buffer into a separation channel having an inlet end, selectively introducing at least one of the substrate and the product of the reaction medium into the inlet end of the separation channel, electrophoretically separating the substrate and the product, and determining the rate of conversion of the substrate to the product, wherein a change in the rate of conversion is indicative of the presence of toxins. The method of performing electrophoretic separations of complex samples having charged particulates and oppositely charged analytes comprising introducing a run buffer into a separation channel having an inlet end, selectively introducing the oppositely charged analytes in the complex sample into the separation channel, and electrophoretically separating the charged particulates and the oppositely charged analytes. Additionally, a device for varying with respect to time the bulk flow of a fluid in a separation channel of an electrophoretic device having a buffer reservoir in fluid contact with the separation channel is provided. The device includes a pressure sensor in fluid contact with a buffer reservoir, a high pressure reservoir in selective fluidic communication with the buffer reservoir, a low pressure reservoir in selective fluidic communication with the buffer reservoir and in fluidic communication with the high pressure reservoir, and a pumping device for pumping a gas from the low pressure reservoir to the high pressure reservoir.

Microfluidic device
11596940 · 2023-03-07 · ·

A microfluidic device comprises: a sensor provided in a sensing chamber; a liquid inlet and liquid outlet connecting to the sensor chamber for respectively passing liquid into and out of the sensing chamber and; a sample input port in fluid communication with the liquid inlet; a liquid collection channel downstream of the sensing chamber outlet; a flow path interruption between the liquid outlet and the liquid collection channel, preventing liquid from flowing into the liquid collection channel from upstream; a buffer liquid filling from the sample input port to the sensing chamber, and filling the sensing chamber and filing from the liquid outlet to the flow path interruption; an activation system operable to complete the flow path between the liquid outlet and the liquid collection channel such that the sensor remains unexposed to gas or a gas/liquid interface.

FLUID SYSTEM AND SAMPLE PROCESSOR INCLUDING FLUID SYSTEM

The present disclosure relates to a fluid system for a sample processor and a sample processor including the fluid system. The fluid system includes a sample line, a processing fluid line, a vacuum line, and an air pump. The sample line communicates a sample container with a sample port of a flow cell unit. The processing fluid line communicates a sheath fluid container with a processing fluid port of the flow cell unit. The vacuum line is in communication with the flow cell unit. The air pump includes a first output port and a second output port. Pressurized gas is generated at the first output port, and the first output port is in communication with the sample container and the sheath fluid container. A vacuum is generated at the second output port, and the second output port is in communication with a vacuum port of the flow cell unit through the vacuum line.

Microfluidic devices and methods for delivering solutions to biological material

Disclosed herein are microfluidic devices and methods to deliver concentration gradients to biological material such as oocytes and embryos for the purpose of cryopreparation, cryopreservation, or thawing. Cryopreservation methods, such as vitrification, involve the use of cryoprotectants to reduce formation of damaging ice crystals in cells during freezing. Microfluidic devices and methods described herein improve cell viability and efficiency during handling and cryopreservation of biological materials.