B01L2300/0803

SAMPLE ANALYSIS DEVICE
20230047389 · 2023-02-16 ·

A sample analysis substrate mountable and detachable to a sample analysis device and includes: a plate-shaped base substrate; and a chamber, the chamber being a space in which to cause a binding reaction, The sample analysis device includes: a motor to rotate the sample analysis substrate; a first magnet unit to attract the magnetic particles; a first actuator to move the first magnet unit to change relative positions of the first magnet unit and the sample analysis substrate; and a control circuit to control the motor, the drive circuit, and the first actuator. The first magnet unit shaped as a whole shape or a partial shape of a circle or a ring. During a B/F separation for separating reacted substance from unreacted substance, the first actuator moves the first magnet unit to a position where the magnetic particles in the chamber are attracted by the first magnet unit.

CARTRIDGE AND BIOLOGICAL DETECTION SYSTEM
20230050554 · 2023-02-16 · ·

A cartridge is for a detection of a sample or a first component, wherein the sample includes the first component and a second component. The cartridge includes a first injection chamber, a second injection chamber, a separation chamber, a collection chamber and a first detection chamber. The first injection chamber and the second injection chamber are adapted for injecting the sample or the first component. The separation chamber is connected to the first injection chamber, and the sample injected from the first injection chamber is adapted to be separated into the first component and the second component in the separation chamber. The collection chamber is connected to the separation chamber and the second injection chamber. The first detection chamber is connected to the collection chamber. A biological detection system is further provided.

Liquid storage and controlled-release device and biological detection chip

A liquid storage and controlled-release device and a biological detection chip. The liquid storage and controlled-release device comprises a liquid storage capsule with a liquid storage body which is deformable under a pressure, and a sealing layer for sealing the liquid storage body. A support platform is provided right below the liquid storage capsule and tightly connected with the liquid storage capsule, wherein, a directional release chamber is provided at the middle of the support platform, and the directional release chamber is provided with a guiding chamber for collecting the liquid and a sharp edge for inducing break. Compared with the conventional technology, the opening for liquid release is at the end far away from the rotation center, so that the liquid can be released completely by the centrifugal force, ensuring the quantitative release of stored liquid and reducing the influence on the accuracy of the subsequent detection.

TISSUE HOLDER ASSEMBLY AND COMPONENTS THEREOF
20230012310 · 2023-01-12 ·

A tissue holder cap for covering a tissue holder includes a cover having a perimeter, the cover having an outer surface and an inner surface opposite from the outer surface. The cover includes a central portion having an opening configured for receiving a central post of the tissue holder, a first latch extending from the perimeter of the cover, and a second latch extending from the perimeter of the cover, circumferentially spaced apart from the first latch. The cover also includes a first protrusion configured to engage the post of the tissue holder. When the first protrusion engages with the post, each of the first latch and the second latch automatically aligns with one or more of a plurality of tabs on located on a circumferential sidewall of the tissue holder to thereby securely fasten the tissue holder cap onto the tissue holder.

DETECTION APPARATUS AND DETECTION METHOD

Disclosed is a detection apparatus that transfers magnetic particles through a plurality of chambers in a cartridge which includes the plurality of chambers and a channel connecting between the plurality of chambers, and that causes the magnetic particles to carry a complex of a test substance and a labelling substance, to detect the test substance on the basis of the labelling substance in the complex. The detection apparatus includes: a rotation mechanism configured to rotate the cartridge about a rotation shaft; a magnet configured to collect the magnetic particles in the chambers; a movement mechanism configured to move the magnet in a direction different from a circumferential direction of a circle in which the rotation shaft is centered; a detector configured to detect the test substance; and a controller programmed to control the rotation mechanism and the movement mechanism so as to transfer the magnetic particles from one of the chambers to another one of the chambers.

BACTERIAL ENDOTOXIN READER VERIFICATION PLATES AND METHODS OF USE
20230001409 · 2023-01-05 ·

Verification plates for a bacterial endotoxin reader are provided, namely a temperature verification plate (TVP) and optical verification plate (OVP). The TVP has a body configured to be placed on a spindle of said reader and rotated by said spindle. The body has a temperature verification circuit with a temperature sensor and a temperature indicator. The temperature sensor is configured to measure a temperature of the body rotated by the spindle of the reader. The temperature indicator optically represents a value of the temperature measured by the temperature sensor. The temperature indicator is readable by an optical bench of the reader. The OVP has a body with a plurality of apertures located along a periphery that line up with an optical bench of the reader. Light produced by a light source of the reader can pass through the aperture and an intensity measured by a photodetector of the reader.

FLUIDIC DEVICE, APPARATUS COMPRISING FLUIDIC DEVICE AND METHOD OF USING SAME FOR FLUIDIC MANIPULATION
20230234049 · 2023-07-27 · ·

A fluidic device having first side and second side. The fluidic device includes first latch mechanism and second latch mechanism for receiving connector, arranged on first side; and a first fluidic chip holder and second fluidic chip holder, arranged on first side in alignment with first latch mechanism and second latch mechanism, for holding first fluidic chip and second fluidic chip, respectively. The fluidic device includes a traction surface to couple the fluidic device with an actuator to move the fluidic device to select which of first or second fluidic chip is to be used. Disclosed is an apparatus with a container, tubular material feeding line, tubular printing composition feeding line, and actuator.

Valve system for driving fluid and method for using the same

A valve system for driving fluid and a method for using the same are provided. The valve system includes a fluid unit far away from the rotation center, a fluid unit close to the rotation center, a fluid transferring unit and a gas path pipeline for communicating the fluid unit close to the rotation center with the fluid unit far away from the rotation center. A rotation radius of a fluid outlet of the fluid unit far away from the rotation center is greater than that of a fluid inlet of the fluid unit close to the rotation center. The fluid outlet of the fluid unit far away from the rotation center is located at an end thereof away from the rotation center, and the fluid inlet of the fluid unit close to the rotation center is located at an end thereof close to the rotation center.

Systems and Methods for Multianalyte Detection
20230228674 · 2023-07-20 ·

Provided herein are systems, devices and methods for performing multianalyte detection in a biological sample, such as a human blood sample. Multiwell plates useful for performing multianalyte detection are also provided. The systems, devices and methods provided herein relate to the field of direct-to-consumer diagnostics (DTC diagnostics) and are useful, e.g., for facilitating consumer access to consumer healthcare and consumer wellness information. Other uses of the systems, devices and methods provided herein relate to the fields of medical research and drug discovery.

SAMPLE CARRIER, ROTATION APPARATUS AND METHODS OF USING THE SAMPLE CARRIER AND ROTATION APPARATUS

A sample carrier is used in a rotation-based method for reproducing or detecting DNA. The sample carrier has a disc-like main part and a plurality of cavities formed in the main part, in which cavities, a sample fluid at least potentially containing DNA is received. A disc side of the main part forms a heat entry side and the flat side facing away therefrom forms a heat discharge side. The cavity or one of a plurality of cavities, as applicable, is formed by an annular channel having a first and a second channel portion, which are fluidically connected at both longitudinal ends by a connection portion in each case. The first channel portion is arranged offset relative to the second channel portion in the thickness direction of the main part.