B01J2219/00689

Methods for biological sample processing and analysis

Provided are methods for biological sample processing and analysis. A method can comprise providing a substrate configured to rotate. The substrate can comprise an array having immobilized thereto a biological analyte. A solution comprising a plurality of probes may be directed, via centrifugal force, across the substrate during rotation of the substrate, to couple at least one of the plurality of probes with the biological analyte. A detector can be configured to detect a signal from the at least one probe coupled to the biological analyte, thereby analyzing the biological analyte.

Integrated circuit with sequentially-coupled charge storage and associated techniques comprising a photodetection region and charge storage regions to induce an intrinsic electric field

Described herein are techniques that improve the collection and readout of charge carriers in an integrated circuit. Some aspects of the present disclosure relate to integrated circuits having pixels with a plurality of charge storage regions. Some aspects of the present disclosure relate to integrated circuits configured to substantially simultaneously collect and read out charge carriers, at least in part. Some aspects of the present disclosure relate to integrated circuits having a plurality of pixels configured to transfer charge carriers between charge storage regions within each pixel substantially at the same time. Some aspects of the present disclosure relate to integrated circuits having three or more sequentially coupled charge storage regions. Some aspects of the present disclosure relate to integrated circuits capable of increased charge transfer rates. Some aspects of the present disclosure relate to techniques for manufacturing and operating integrated circuits according to the other techniques described herein.

REACTOR SYSTEM AND METHODS FOR USING THEREOF

Disclosed herein are systems, methods and devices for the continuous production and processing of compounds, including biopharmaceutical compounds. The system and devices are operated in an automated manner and capable of operation under Good Manufacturing Practice (GMP)-compliant conditions.

Flow cell with selective deposition or activation of nucleotides

An apparatus includes a flow cell body, a plurality of electrodes, an integrated circuit, and an imaging assembly. The flow cell body defines one or more flow channels and a plurality of wells. Each flow channel is configured to receive a flow of fluid. Each well is fluidically coupled with the corresponding flow channel. Each well is configured to contain at least one polynucleotide. Each electrode is positioned in a corresponding well of the plurality of wells. The electrodes are operable to effect writing of polynucleotides in the corresponding wells. The integrated circuit is operable to drive selective deposition or activation of selected nucleotides to attach to polynucleotides in the wells to thereby generate polynucleotides representing machine-written data in the wells. The imaging assembly is operable to capture images indicative of one or more nucleotides in a polynucleotide.

HIGH THROUGHPUT RADIOCHEMISTRY SYSTEM

A radiosynthesis system is disclosed that leverages droplet microfluidic radiosynthesis and its inherent advantages including reduction of reagent consumption and the ability to achieve high molar activity even when using low starting radioactivity. The radiosynthesis system enables the parallel synthesis of radiolabeled compounds using droplet-sized reaction volumes. In some embodiments, a single heater is used to create multiple reaction or synthesis sites. In other embodiments, separate heaters are used to create independently-controlled heating conditions at the multiple reaction or synthesis sites. In one embodiment, a four-heater setup was developed that utilizes a multi-reaction microfluidic chip and was assessed for the suitability with high-throughput radiosynthesis optimization. Replicates of several radiochemical operations including the full synthesis of various PET tracers revealed the platform to have high repeatability (e.g., consistent fluorination efficiency). The system may also be used for synthesis optimization.

Methods for biological sample processing and analysis

Provided are methods for biological sample processing and analysis. A method can comprise providing a substrate configured to rotate. The substrate can comprise an array having immobilized thereto a biological analyte. A solution comprising a plurality of probes may be directed, via centrifugal force, across the substrate during rotation of the substrate, to couple at least one of the plurality of probes with the biological analyte. A detector can be configured to detect a signal from the at least one probe coupled to the biological analyte, thereby analyzing the biological analyte.

Devices and methods of use thereof

Described herein are devices and methods of use thereof, the devices comprising: a sample conduit providing a path for fluid flow extending from a sample inlet to a sample outlet; a thermal housing enclosing the sample conduit, the thermal housing comprising a plurality of measurement regions; and a motorized stage translatable along the thermal housing so as to align a detector with one or more of the plurality of measurement regions. The devices can continuously flow a fluid precursor sample from the sample inlet to the sample outlet, the fluid precursor sample comprising a first precursor and a second precursor, such that the first precursor reacts with the second precursor as the fluid precursor sample continuously flows from the sample inlet to the sample outlet to form the sample before reaching the sample outlet, wherein the sample comprises a plurality of particles or an organic molecule.

Device for synthesizing oligonucleotides

The invention relates to a device for synthesising oligonucleotides, comprising: a reagent container receptacle (1) for holding a reagent container support (17) comprising multiple reagent containers (18); an exchangeable microfluid chip (10) comprising a synthesis chamber, fluid connectors and microfluid valves; a control device (5); fluid connecting means (2); wherein the device can be loaded with the microfluid chip (10) and the reagent container support (17) when in a loading position; a chip receptacle (3). To allow cost-effective and prompt synthesis even of small amounts of oligonucleotides, the invention provides for an actuator device (6) to be provided, with which the reagent container receptacle (1), the microfluid chip (10) and the fluid connecting means (2) can be brought from the loading position to an operating position, in which operating position the reagent container receptacle (1), the chip receptacle (3) and the fluid connecting means (2) are positioned relative to each other such that reagents can be conveyed out of the reagent containers (18) towards the synthesis chamber (14) depending on the valve position of the microfluid valves.

Bioassay carrier and preparation thereof
11679384 · 2023-06-20 · ·

Embodiments are directed towards methods and systems of depositing a uniform test-pathogen mixture onto a test article for testing the sterilization efficacy of an electromagnetic radiation or other sterilization process. The system includes a holding mechanism configured to removably secure the test article to the system. The system also includes a test-pathogen dispenser configured to uniformly deposit the test-pathogen mixture onto a reference surface of the test article. The system is structured so that at least one of the test article and the test-pathogen dispenser moves relative to the other. A plurality of test-pathogen mixture droplets or lines is deposited onto the reference surface in a predetermined test-pathogen pattern, such as, for example, a plurality of rows and columns of droplets. A distance from a dispenser tip of the test-pathogen dispenser to the reference surface of the test article may be determined to help maintain consistency between test-pathogen mixture droplets or lines.

REACTION CIRCUIT DESIGN IN MICROFLUIDIC CIRCUITS

The microfluidic devices and systems disclosed herein reduce sample loss and help decrease sample processing bottlenecks for applications such as next generation sequencing (NGS). The microfluidic devices include a plurality of reaction modules. Each reaction module may comprise one or more reaction circuits. Each reaction circuit may comprise a single reaction flow channel with each reaction circuit connected by a bridge flow channel. Alternatively, each reaction circuit may comprise two or more reaction flow channels connected by two or more bridge flow channels. The combination of any two bridge flow channels and a portion of the two or more reaction flow channels between the any two bridge flow channels defining may define the reaction circuit. The reaction module may be arranged as nodes connected by bridge flow channels or each reaction module may be arranged in a parallel fashion on the microfluidic device.