B01J2219/00378

CHEMICAL LIQUID DISPENSING APPARATUS AND CHEMICAL LIQUID DISCHARGING DEVICE

A liquid discharging device to be used with a liquid dispensing apparatus includes a discharging portion configured to discharge a liquid based on a control signal from the liquid dispensing apparatus on which the liquid discharging device is mounted, and a sheet material having a characteristic configured to be changed by the liquid dispensing apparatus after a discharge of the liquid by the discharging portion.

Methods and microfluidic devices for the manipulation of droplets in high fidelity polynucleotide assembly
10207240 · 2019-02-19 · ·

Methods and devices are provided for manipulating droplets on a support using surface tension properties, moving the droplets along a predetermined path and merging two droplets together enabling a number of chemical reactions. Disclosed are methods for controlling the droplets volumes. Disclosed are methods and devices for synthesizing at least one oligonucleotide having a predefined sequence. Disclosed are methods and devices for synthesizing and/or assembling at least one polynucleotide product having a predefined sequence from a plurality of different oligonucleotides having a predefined sequence. In exemplary embodiments, the methods involve synthesis and/or amplification of different oligonucleotides immobilized on a solid support, release of synthesized/amplified oligonucleotides in solution to form droplets, recognition and removal of error-containing oligonucleotides, moving or combining two droplets to allow hybridization and/or ligation between two different oligonucleotides, and further chain extension reaction following hybridization and/or ligation to hierarchically generate desired length of polynucleotide products.

Microfabricated elastomeric valve and pump systems

A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the first elastomeric layer; forming a second elastomeric layer on top of a second micromachined mold, the second micromachined mold having a second raised protrusion which forms a second recess extending along a bottom surface of the second elastomeric layer; bonding the bottom surface of the second elastomeric layer onto a top surface of the first elastomeric layer such that a control channel forms in the second recess between the first and second elastomeric layers; and positioning the first elastomeric layer on top of a planar substrate such that a flow channel forms in the first recess between the first elastomeric layer and the planar substrate.

DE NOVO SYNTHESIZED GENE LIBRARIES

De novo synthesized large libraries of nucleic acids are provided herein with low error rates. Further, devices for the manufacturing of high-quality building blocks, such as oligonucleotides, are described herein. Longer nucleic acids can be synthesized in parallel using microfluidic assemblies. Further, methods herein allow for the fast construction of large libraries of long, high-quality genes. Devices for the manufacturing of large libraries of long and high-quality nucleic acids are further described herein.

ACOUSTIC RADIATION FOR EJECTING AND MONITORING PATHOGENIC FLUIDS
20180282781 · 2018-10-04 ·

The invention relates to methods and devices that use focused radiation to handle and/or monitor pathogenic fluids. In particular, a method is provided for dispensing one or more droplets of a fluid containing a pathogen. The method involves providing the pathogen-containing fluid in a reservoir and applying focused radiation to the pathogen-containing fluid in the reservoir in a manner effective to eject a droplet of the fluid therefrom. Often, a pathogen-impermeable enclosure is used.

DE NOVO SYNTHESIZED GENE LIBRARIES

De novo synthesized large libraries of nucleic acids are provided herein with low error rates. Further, devices for the manufacturing of high-quality building blocks, such as oligonucleotides, are described herein. Longer nucleic acids can be synthesized in parallel using microfluidic assemblies. Further, methods herein allow for the fast construction of large libraries of long, high-quality genes. Devices for the manufacturing of large libraries of long and high-quality nucleic acids are further described herein.

METHODS AND DEVICES FOR HIGH FIDELITY POLYNUCLEOTIDE SYNTHESIS
20180163200 · 2018-06-14 ·

Disclosed are methods for synthesizing and/or assembling at least one polynucleotide product having a predefined sequence from a plurality of different oligonucleotides. In exemplary embodiments, the methods involve synthesis and/or amplification of different oligonucleotides immobilized on a solid support, release of synthesized/amplified oligonucleotides in solution to form droplets, recognition and removal of error-containing oligonucleotides, moving or combining two droplets to allow hybridization and/or ligation between two different oligonucleotides, and further chain extension reaction following hybridization and/or ligation to hierarchically generate desired length of polynucleotide products.

Acoustic radiation for ejecting and monitoring pathogenic fluids
09920352 · 2018-03-20 · ·

Method and system for monitoring for a change in the amount and/or concentration of a pathogen in a pathogenic fluid. The method includes providing a pathogen-impermeable enclosure enclosing the pathogenic fluid, wherein the pathogenic fluid includes a pathogen and a carrier fluid. Additionally, the method includes acoustically monitoring for a change in the amount and/or concentration of the pathogen enclosed in the pathogen-impermeable enclosure. The acoustically monitoring for a change in the amount and/or concentration of the pathogen enclosed in the pathogen-impermeable enclosure includes generating acoustic radiation directed towards the pathogen-impermeable enclosure, transmitting the acoustic radiation through the pathogen-impermeable enclosure or reflecting the acoustic radiation by the pathogenic fluid, receiving the acoustic radiation transmitted through the pathogen-impermeable enclosure or receiving the acoustic radiation reflected by the pathogenic fluid, and analyzing the received acoustic radiation.

Acoustically ejecting a droplet of fluid from a reservoir by an acoustic fluid ejection apparatus

The invention provides apparatuses and methods for acoustically ejecting the fluid from a reservoir contained in or disposed on a substrate. The reservoir has a portion adapted to contain a fluid, and an acoustic radiation generator is positioned in acoustic coupling relationship to the reservoir. Acoustic radiation generated by the acoustic radiation generator is transmitted through at least the portion of the reservoir to an analyzer. The analyzer is capable of determining the energy level of the transmitted acoustic radiation and raising the energy level of subsequent pulses to a level sufficient to eject fluid droplets from the reservoir. The invention is particularly suited for delivering fluid from a plurality of reservoirs in an accurate and efficient manner.

De novo synthesized gene libraries

De novo synthesized large libraries of nucleic acids are provided herein with low error rates. Further, devices for the manufacturing of high-quality building blocks, such as oligonucleotides, are described herein. Longer nucleic acids can be synthesized in parallel using microfluidic assemblies. Further, methods herein allow for the fast construction of large libraries of long, high-quality genes. Devices for the manufacturing of large libraries of long and high-quality nucleic acids are further described herein.