B01J2219/00576

High-throughput single cell barcoding

Methods and compositions for high-throughput, single cell analyses are provided. The methods and compositions can be used for analysis of genomes and transcriptomes, as well as antibody discovery, HLA typing, haplotyping and drug discovery.

MICROBEADS FOR TAGLESS ENCODED CHEMICAL LIBRARY SCREENING

Disclosed is an encoded chemical library microbead, which microbead has immobilized thereon and/or therein: (i) an encoding tag; and (ii) a target assay system reporter moiety, wherein the reporter moiety exists in a first state in the absence of activity against the target and in a second state in the presence of said activity, and wherein said microbead further comprises a clonal population of one or more chemical structure(s) releasably linked thereto and encoded by said tag.

Flow cell array and uses thereof

Systems and methods for using a flow cell array are provided herein. A system includes at least one processor coupled to a memory and configured for determining placement of one or more reaction sites on a first component; providing a material for the one or more reaction sites in one or more surface channels of the first component; connecting the first component to a second component to form an array, wherein the one or more surface channels of the first component connect the one or more reaction sites with one or more vias, and wherein the second component comprises the one or more vias connected to multiple sub-surface channels; and aligning the one or more surface channels of the first component with the one or more vias of the second component to form a connection between the first component and the second component.

Microfluidic devices, solid supports for reagents and related methods

A microfluidic device includes a plurality of reaction wells; and a plurality of solid supports, and each of the solid supports has a reagent attached thereto. The reagent is attached to the solid support via a labile reagent/support bond such that the reagent is configured to be cleaved from the support via a cleaving operation.

SURFACE LINKER OF SEMICONDUCTOR CHIP, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention relates to the field of biochips, and provides a surface linker for a semiconductor chip, a preparation method therefor and an application thereof. The chip surface linker reacts with a chip surface by means of using silanized molecules as a solute and toluene as a solvent so as to form bonding molecules connected to the chip surface, and is prepared by reacting with functionalized molecules to modify a hydroxyl group and an ester group. The chip surface linker obtained by the present invention may be stably bonded to the chip surface, is stable under acidic and alkaline conditions, has good electrical conductivity, electrical stability and resistance to organic solvents required for nucleic acid synthesis, and is extremely advantageous for subsequent nucleic acid.

INTEGRATED CIRCUIT WITH SEQUENTIALLY-COUPLED CHARGE STORAGE AND ASSOCIATED TECHNIQUES
20220128403 · 2022-04-28 ·

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.

Flow cell array and uses thereof

Systems, computer program products, and methods for using a flow cell array are provided herein. A computer program product includes a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a device to cause the device to deliver multiple items of chemical matter independently to multiple reaction sites of a flow cell array across multiple distinct instances of time; image multiple parallel chemical reactions at the multiple reaction sites of the flow cell array; and record an emission from each of the multiple chemical reactions site.

Neutralization and containment of redox species produced by circumferential electrodes

There is disclosed an electrode array architecture employing continuous and discontinuous circumferential electrodes. There is further disclosed a process for the neutralization of acid generated at anode(s) by base generated at cathode(s) circumferentially located to each other so as to confine a region of pH change. The cathodes can be displayed as concentric rings (continuous) or as counter electrodes in a cross pattern (discontinuous). In this way reagents, such as acid, generated in a center electrode are countered (neutralized) by reagents, such as base, generated at the corners or at the outer ring.

Enzyme quantification

The invention generally relates to methods for quantifying an amount of enzyme molecules. Systems and methods of the invention are provided for measuring an amount of target by forming a plurality of fluid partitions, a subset of which include the target, performing an enzyme-catalyzed reaction in the subset, and detecting the number of partitions in the subset. The amount of target can be determined based on the detected number.

Vitro evolution in microfluidic systems

The invention describes a method for isolating one or more genetic elements encoding a gene product having a desired activity, comprising the steps of: (a) compartmentalising genetic elements into microcapsules; and (b) sorting the genetic elements which express the gene product having the desired activity; wherein at least one step is under microfluidic control. The invention enables the in vitro evolution of nucleic acids and proteins by repeated mutagenesis and iterative applications of the method of the invention.