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105results about How to "High-throughput screening" patented technology

Electrical field stimulation of eukaryotic cells

Methods of identifying activators and inhibitors of voltage-gated ion channels are provided in which the methods employ electrical field stimulation of the cells in order to manipulate the open / close state transition of the voltage-gated ion channels. This allows for more convenient, more precise experimental manipulation of these transitions, and, coupled with efficient methods of detecting the result of ion flux through the channels, provides methods that are especially suitable for high throughput screening.
Owner:MERCK SHARP & DOHME CORP

Microfluidic protein crystallography

The use of microfluidic structures enables high throughput screening of protein crystallization. In one embodiment, an integrated combinatoric mixing chip allows for precise metering of reagents to rapidly create a large number of potential crystallization conditions, with possible crystal formations observed on chip. In an alternative embodiment, the microfluidic structures may be utilized to explore phase space conditions of a particular protein crystallizing agent combination, thereby identifying promising conditions and allowing for subsequent focused attempts to obtain crystal growth.
Owner:CALIFORNIA INST OF TECH

Label-free sensor

InactiveUS20100237885A1Cost reductionInstant and quick and rapid and sensitive detectionResistance/reactance/impedenceCurrent/voltage measurementFluorescenceLabel free
A label-free sensor is disclosed. The label-free sensor comprises a substrate, a first electrode formed on the substrate, a second electrode formed on the substrate and spaced away from the first electrode, and a semiconductor layer formed on the substrate and is in contact with the first electrode and the second electrode, wherein the semiconductor layer has a plurality of probe groups, which are bonded to the semiconductor layer by functionalization, for sensing a coupling-specific substance, which has bonding specificity with the probe groups. The semiconductor layer of the label-free sensor of the present invention is bonded with probe groups, and the detection of detected object is performed in instant, quick, rapid, and sensitive manner by measuring variation in electric current, thereby avoiding the use of the fluorescent reading equipment for reading fluorescent signals.
Owner:NATIONAL CHIAO TUNG UNIVERSITY

Novel high-throughput screening method of drug for bioactive protein

The present invention is intended to provide a safe and quick means for screening a drug to a bioactive protein, in particular, an inhibitor, using a cell-free protein synthesis system with the use of a wheat embryo extract solution. The present inventors have strenuously studied to solve the matters above and finally completed the present invention by, in a system with the use of a wheat embryo, among cell-free protein synthesis means, constructing a synthesis system of a bioactive protein while sustaining its activities, and constructing a system for screening an inhibitor candidate to SARS 3CLpro, as an example using the synthesis system.
Owner:CELLFREE SCI

Method of producing short hairpin library

Described herein is a method of cloning synthetic oligos (including in situ synthesized oligos) into an (one or more) expression vector for library (e.g., shRNA library) production. The oligos are synthesized with one portion of the first stem of the hairpin, followed by a first loop sequence, the complete second stem, a second loop sequence, and finished with the remaining portion of the first stem of the hairpin. The two portions of the first stem anneal to the second stem, juxtaposing the 5′ end close to the 3′ end of the oligo. The methods described herein selected for hairpins with perfectly base-paired stems. After annealing, a ligase is added to the annealed oligos and the base-paired hairpins are preferentially annealed, and ligated, creating closed circular oligos. The now circularized hairpins served as templates for rolling circle amplification using a polymerase with high processivity. One or more primers complementary to the two strands of the amplified double stranded circular hairpins initiate the rolling circle amplification in the presence of a polymerase. Using primers (e.g., a sense and antisense primer), the rolling circle amplification yields double stranded hairpin sequences. These can be digested (e.g., using restriction enzymes) to produce a double-stranded hairpin fragment encoding a single hairpin. The fragment can be cloned into an appropriately digested vector for a variety of uses including expression.
Owner:DANA FARBER CANCER INST INC +1
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