B01L2300/0838

Adapter for receiving a capillary
11738335 · 2023-08-29 · ·

An adapter assembly for receiving a capillary includes a passage, into which the capillary is or can be received. The adapter assembly has an adapter cone which is configured for being received in or on a correspondingly configured counter cone. The adapter cone, at least over a section for bringing the adapter cone into contact with the counter cone, includes an elastic material that is more elastic than the material of the counter cone. The invention further relates to a counterpart for connecting to the adapter, to an apparatus and to a method for automatically exchanging capillaries.

Microfluidic devices and method for sampling and analysis of cells using optical forces and Raman spectroscopy
11738339 · 2023-08-29 · ·

Provided are methods and devices for automated analysis of one or more samples in single or multi-well plates or vessels, wherein the process of automated analysis comprises flow and hydrodynamic, electrokinetic, and optical forces for the analysis and sorting of samples, wherein the samples comprise liquid or particles in microfluidic channels, and wherein the devices comprise an assembly of components that enable processing of a said samples for analytical assessment by fluidic and/or particle based instruments. Microfluidic structures (channels, “T's”, “Y's”, branched “Y's”, wells, and weirs) are described for facilitating sample interaction and observation, sample analysis, sorting, or isolation. Detection can be accomplished using spectroscopic methods including, but not limited to, Raman spectroscopy of single cells and bulk cellular samples (collections of cells; several individuals to hundreds or thousands of cells).

PIPETTE TIP AND PIPETTE SYSTEM FOR CAPILLARY BLOOD COLLECTION
20230264185 · 2023-08-24 · ·

The capillary blood pipette tip system of the present invention includes a pipette tip for collecting capillary blood including a sampling unit having a capillary tube having a first diameter so as to sample a capillary blood; a sample storage unit having a first extension end formed from a distal end of the capillary tube of the sampling unit so as to have a larger area than the sampling unit; a sealing unit closely adhered to a distal opening of the sample storage unit and broken by a quantitative syringe introduced from the outside; a shielding wall surrounding the sealing unit to prevent the sample from splashing from the sample storage unit to the outside when the sealing unit is broken by the quantitative syringe; and a handle unit which is held by a user to sample using the sampling unit; an immunoassay cartridge having at least one pipette tip mounting well having a plunger that presses a sample of a sampling unit of the pipette tip from the bottom to the top when the pipette tip is coupled to the top; and a quantitative syringe for quantitatively sampling the capillary blood collected in the upper part thereof by approaching through the upper part of the pipette tip, when the capillary blood from the sampling unit is collected in the upper part by the pressurization of the plunger during the coupling of the pipette tip to the immunoassay cartridge.

Paperfuge: An integrated paper-based centrifugation and microfluidics platform for low-cost diagnostics

A microfluidic centrifuge is provided that includes a microfluidic disc having a pair of through holes that include a first through hole and a second through hole, where the pair of through holes are disposed symmetric and proximal to a central axis of the microfluidics disc, where the microfluidics disc includes a sealable input port and a sealable output port, where the sealable input port and the sealable output port are connected by a microfluidics channel, and a pair of tethers disposed through the pair of through holes that are disposed to twist about each other for unwinding where the tether unwinding is disposed to interact with the through holes, where the microfluidics disc rotates about the central axis.

GLYCATED HEMOGLOBIN MEASUREMENT KIT

A glycated hemoglobin measurement kit including a reagent container, a cleaning solution, and a container holder. The reagent container has a cylindrical shape opened at opposite sides and includes a barrier membrane that blocks an opening at one side and forms a reagent storage part for a reagent for glycated hemoglobin measurement. The cleaning solution container has a cylindrical shape opened at opposite sides and includes an auxiliary barrier membrane that blocks an opening at one side and forms a cleaning solution storage part for a cleaning solution that cleans a reaction solution in which the blood and the reagent are mixed and react with each other. The container holder includes an attachment/detachment part from which a measurement strip is detachable and a measurement hole through which one area of the measurement strip attached to the attachment/detachment part is exposed.

STEP-TYPE INERTIAL FOCUSING MICROFLUIDIC CHIP
20230256443 · 2023-08-17 ·

A step-type inertial focusing microfluidic chip includes an arc-shaped channel having multiple stages connected in series. At least one stage of the arc-shaped channel is separated into a plurality of sub-channels distributed along a radial direction, one end of the multistage arc-shaped channel is provided with at least one fluid inlet and an inlet channel connecting the end of to the fluid inlet. The other end of the multistage arc-shaped channel is provided with a plurality of fluid outlets and a plurality of outlet channels connecting the other end to the fluid outlets. A radius of curvature of the arc-shaped channel is 2 to 50 mm. A cross-sectional width is 50-5000 microns, the cross-sectional height is 20-2000 microns, and a thickness of a sub-channel separation wall in the arc-shaped channel having the sub-channels is 10 to 1000 microns.

Biological fluid collection device and collection module

A biological fluid collection device that receives a sample and provides flow-through blood stabilization technology and a precise sample dispensing function for point-of-care and near patient testing applications is disclosed. A biological fluid collection device of the present disclosure is able to effectuate distributed mixing of a sample stabilizer within a blood sample and dispense the stabilized sample in a controlled manner. In this manner, a biological fluid collection device of the present disclosure enables blood micro-sample management, e.g., passive mixing with a sample stabilizer and controlled dispensing, for point-of-care and near patient testing applications.

SAMPLE TRANSPORT APPARATUS FOR MASS SPECTROMETRY
20220134343 · 2022-05-05 ·

Systems and methods are provided for high-efficiency transport of single particles for inductively coupled plasma mass spectrometry. Single particles may be delivered to the mass spectrometer for quantification of trace elements. The systems may include droplet generation, conveyance module, capillary tubing, and/or an integrated inductively coupled plasma (ICP) torch, which may allow for the sequential transportation of single particles.

SPLIT-POOL SYNTHESIS APPARATUS AND METHODS OF PERFORMING SPLIT-POOL SYNTHESIS
20230249178 · 2023-08-10 ·

Described herein are systems and methods for dividing a population of particles into two or more subpopulations, reacting each formed subpopulation of particles with a different reagent, pooling the reacted subpopulations of particles back together.

System for portable and easy-to-use detection of analytes with mobile computing device
11717822 · 2023-08-08 · ·

This system takes in raw cellular material collected using a provided swab, blood collection device, urine collection device, or other sample collection device and transforms that biological material into a digital result, identifying the presence, absence and/or quantity of nucleic acids, proteins, and/or other molecules of interest.