B01L2400/0478

Blood metering device with desiccant and support for storage media and inlay with flange
11484877 · 2022-11-01 · ·

A blood sample collection and/or storage device includes a two-piece housing that encompasses a port at which a fingertip blood sample is collected at a sample port. After the sample is taken, the two-piece housing is moved to a closed position deposit the sample onto a storage membrane Embodiments of the device include a one or more capillaries with movable plungers that dispense fluid from the sample port onto the membrane as the housing is closed. A desiccant, which may be held in place by a backbone structure within the housing, is positioned adjacent the membrane. The housing may also be opened to access the stored sample for further processing.

PINCH TO OPEN SAMPLE COLLECTION DEVICE
20230092271 · 2023-03-23 ·

A blood sample collection and/or storage device includes a two-piece housing that encompasses a port at which a fingertip blood sample is collected. After the sample is taken, the two-piece housing is moved to a closed position to protect the sample for storage and optionally process the sample within the housing. The housing may also be opened to access the stored sample for further processing.

METHODS AND SYSTEMS TO COLLECT A BIOLOGICAL SAMPLE

Sample processing methods and systems to collect a biological sample. A device may be configured collect a predetermined volume of a sample in sample chamber, and seal the chamber upon activation. The device may be further configured to mix the mix the sample with a predetermined volume of a reagent and/or mix the sample and the reagent in a pre-determined ration.

Electrophoretic chip for electrophoretic applications

The present invention discloses an electrophoretic chip comprising: (a) a non-conductive substrate designed to support elements of said electrophoretic chip; (b) an electrode structure for conducting current through said electrophoretic chip, printed on said non-conductive substrate and comprising a counter electrode and at least one working electrode, each electrode comprising a conductive low-resistance ink layer printed on the non-conductive substrate, and a carbon ink layer printed on top of and fully or partially covering said conductive low-resistance ink layer; (c) a dielectric ink insulator layer placed on top of, and covering, said electrode structure, said dielectric ink insulator layer having at least one opening above the counter electrode and at least one opening above said at least one working electrode, thereby forming at least one addressable location; and (d) a molecule capturing matrix spotted on and covering said at least one addressable location, thereby creating at least one microgel region.

Piston of nucleic acid extracting cartridge

There is provided a piston of a cartridge for extracting nucleic acids comprising: a cylindrical upper body having a hollow; a lower body having two ports; a control rod module combined to the other end of the upper body to seal the other end and move up and down along the hollow; and a rotation control module that is combined to the shaft of the lower body to transmit a driving force to the lower body.

Semiconductor-sensor based near-patient diagnostic system and methods
11480543 · 2022-10-25 · ·

A semiconductor sensor-based near-patient diagnostic system and related methods.

Apparatus and methods for separating blood components

Apparatus and methods for separating blood components are disclosed in which an apparatus for separating blood generally includes a tube defining a channel and configured for receiving a quantity of blood and a float contained within the tube and having a density which is predefined so that the float is maintained at equilibrium between a first layer formed from a first fractional component of the blood and a second layer formed from a second fractional component of the blood. Upon completion of the centrifugation, the first layer may be removed from the tube while the float isolates the second layer from the first layer.

DEVICE FOR TESTING A ANALYTE IN A LIQUID SAMPLE
20230128976 · 2023-04-27 ·

The invention provides a device for detecting an analyte in a liquid sample. The device comprises a receiving chamber for receiving an absorbent element, wherein the absorbent element is used for collecting a liquid sample; and a detection chamber configured to receive a testing element, wherein the testing element is set to test an analyte in a liquid sample, the receiving chamber is provided with a first position and a second position, when the receiving chamber is located at the first position, the receiving chamber is not in fluid communication with the detection chamber, and when the receiving chamber is located at the second position, the receiving chamber is in fluid communication with the detection chamber.

DEVICE FOR TESTING AN ANALYTE IN A LIQUID SAMPLE
20230129323 · 2023-04-27 ·

The present invention provides a device for detecting whether an analyte is contained in a fluid sample; the device includes an absorbing element used for absorbing the fluid sample and a testing element, and fluidic communication between the testing element and the absorbing element may be controlled. By means of such a test device, quantitative detection can be achieved, and the liquid sample on the absorbing element can be prevented from flowing onto the testing element in advance to start test at the same time.

AUTOMATED SOLID PHASE EXTRACTION USING FILTER TIPS

Devices and methods for performing pre-analysis sample processing of biological and chemical samples using robotic liquid handlers are disclosed. Methods for solid phase extraction, protein precipitation and filtration of biological and chemical samples using automation and the devices in a rapid and convenient way are described.