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60 results about "Automated sequencing" patented technology

Automated Sequencing System. The massive amount of DNA sequencing necessary for the completion of the Human Genome Project and for the sequencing of other large genomes will require development of technology to increase sequencing throughput and to lower its cost.

High speed parallel molecular nucleic acid sequencing

A method and device is disclosed for high speed, automated sequencing of nucleic acid molecules. A nucleic acid molecule to be sequenced is exposed to a polymerase in the presence of nucleotides which are to be incorporated into a complementary nucleic acid strand. The polymerase carries a donor fluorophore, and each type of nucleotide (e.g. A, T/U, C and G) carries a distinguishable acceptor fluorophore characteristic of the particular type of nucleotide. As the polymerase incorporates individual nucleic acid molecules into a complementary strand, a laser continuously irradiates the donor fluorophore, at a wavelength that causes it to emit an emission signal (but the laser wavelength does not stimulate the acceptor fluorophore). In particular embodiments, no laser is needed if the donor fluorophore is a luminescent molecule or is stimulated by one. The emission signal from the polymerase is capable of stimulating any of the donor fluorophores (but not acceptor fluorophores), so that as a nucleotide is added by the polymerase, the acceptor fluorophore emits a signal associated with the type of nucleotide added to the complementary strand. The series of emission signals from the acceptor fluorophores is detected, and correlated with a sequence of nucleotides that correspond to the sequence of emission signals.
Owner:GOVERNMENT OF US SEC THE DEPT OF HEALTH & HUMAN SERVICES THE

High speed parallel molecular nucleic acid sequencing

A method and device is disclosed for high speed, automated sequencing of nucleic acid molecules. A nucleic acid molecule to be sequenced is exposed to a polymerase in the presence of nucleotides which are to be incorporated into a complementary nucleic acid strand. The polymerase carries a donor fluorophore, and each type of nucleotide (e.g. A, T / U, C and G) carries a distinguishable acceptor fluorophore characteristic of the particular type of nucleotide. As the polymerase incorporates individual nucleic acid molecules into a complementary strand, a laser continuously irradiates the donor fluorophore, at a wavelength that causes it to emit an emission signal (but the laser wavelength does not stimulate the acceptor fluorophore). In particular embodiments, no laser is needed if the donor fluorophore is a luminescent molecule or is stimulated by one. The emission signal from the polymerase is capable of stimulating any of the donor fluorophores (but not acceptor fluorophores), so that as a nucleotide is added by the polymerase, the acceptor fluorophore emits a signal associated with the type of nucleotide added to the complementary strand. The series of emission signals from the acceptor fluorophores is detected, and correlated with a sequence of nucleotides that correspond to the sequence of emission signals.
Owner:THE GOVERNMENT OF US REPRESENTED BY THE SEC OF THE DEPT OF HEALTH & HUMAN SERVICES

Reagents, methods, and libraries for bead-based sequencing

The present invention provides a method for determining the sequence of a nucleic acid by successive cycles of duplex extension along a single-stranded template. This cycle includes the steps of: extension, ligation, preferably cleavage. In certain embodiments, the method utilizes an extension probe containing a phosphorothioate linkage and utilizes a substance suitable for cleaving such linkage. In certain embodiments, the method utilizes extension probes containing abasic residues or damaged bases, and utilizes substances suitable for cleaving linkages between nucleosides and abasic residues and/or suitable for Removes substances that damage bases in nucleic acids. The present invention provides methods for determining sequence information using at least two differentially labeled probe families. In certain embodiments, the method obtains less than 2 bits of information per cycle from each of the plurality of nucleotides of the template. In certain embodiments, the sequencing reaction is performed on templates attached to beads immobilized in or on a semi-solid support. The invention also provides labeled extension probe sets containing phosphorothioate linking or priming residues suitable for use in this method. In addition, the present invention includes removing the starting oligonucleotide and the extending strand and performing subsequent reactions with different starting oligonucleotides, thereby performing multiple sequencing reactions on one template. The invention also provides an effective method for preparing templates, especially for parallel sequencing of multiple different templates. The invention also provides methods for performing ligation and cleavage. The invention also provides novel libraries of nucleic acid fragments containing paired tags, methods for preparing microparticles to which multiple different templates (eg, containing paired tags) are attached, and for individually sequencing these templates. The invention also provides automated sequencing systems, flow chambers, image processing methods, and computer-readable media storing computer-executable instructions (such as performing image processing methods) and/or sequence information. In certain embodiments, sequence information is stored in a database.
Owner:ADVANCED GENETIC ANALYSIS CORP

Elevator

The invention provides an elevator, and belongs to the technical field of machining and manufacturing equipment. The problems that an existing elevator cannot achieve automatic sequencing and is low in feeding efficiency are solved. The elevator comprises a shell with a material groove, a step-shaped base is arranged in the material groove, a guide rail is arranged at the top of the base and distributed in the length direction of the top face, a through groove with an upward notch and penetrating through the two ends of the guide rail is formed in the guide rail in the length direction, the long edge of the lowest position of the base is close to the notch of the through groove, and one end of the guide rail is connected to the shell in a hinged mode, and the other end can be lifted when the guide rail rotates. When workpieces fall into the guide rail, the smaller-diameter ends of the workpieces can fall into the through groove, the larger-diameter ends of the workpieces can be clamped at the notch positions of the through groove, automatic sorting of the workpieces is achieved, the guide rail can rotate around a hinge point under the ejecting pressure of an air cylinder, the workpieces clamped on the guide rail can slide towards the lower side along with rotation of the guide rail, the workpieces can be conveniently taken down by people, and the feeding efficiency is further improved.
Owner:浙江云强智能装备有限公司

Multi-stage self-sequencing liquid-controlled fracturing ball throwing device

ActiveCN107476795AGuarantee continuous fracturing constructionImprove the efficiency of fracturing constructionFluid removalWell/borehole valve arrangementsSequence controlElectric machinery
The invention relates to a multi-stage self-sequencing liquid-controlled fracturing ball throwing device. The device includes a cover plate, a base, a seal cover, a rotary disk and a motor. The cover plate and the base are internally provided with conductive circuits, small fracturing balls are put in from the top, the weight of the balls are tested through a gravity sensor, a second hydraulic push mechanism pushes the balls to a ball delivery channel, the balls are sequentially located at the position of a baffle arranged in the radial direction of the rotary disk and located on the upper portion of a ball-throwing guide channel, according to the weight of the small fracturing balls, sequencing is conducted through the recursive algorithm, according to the sequence, the rotation angle of the motor is controlled so as to make the ball-throwing guide channel coincided with the axis of a ball throwing channel, and the small fracturing balls are pushed to the ball throwing channel through a first hydraulic push mechanism and enter a fracturing channel under the combined action of the high-pressure fluid negative pressure effect and the self gravity. According to the device, the several small fracturing balls can be automatically and sequentially thrown after being loaded at a time, the single-well multi-section continuous fracturing construction is effectively ensured, the safety risk of fracturing construction is reduced, and great engineering and economic benefits are generated.
Owner:SOUTHWEST PETROLEUM UNIV

Automatic sequencing device for cut-off valves

The invention provides an automatic sequencing device for cut-off valves. The automatic sequencing device comprises a vibrating disc. The vibrating disc is internally provided with a helical materialconveying way. The tail end of the helical material conveying way is provided with a plurality of sets of sliding ways. The tail end of the vibrating disc is provided with a feeding way. The tail endsof the sliding ways are provided with material passing ways. The tail ends of the material passing ways are provided with original material dosing ways. Screening openings are formed in the rear halfends of the original material dosing ways. The outer sides of the original material dosing ways are provided with steering material ways. The lower ends of the steering material ways are provided with overturning material ways. The material passing ways are provided with material passing rods and material passing openings. The material passing rods are arranged at the upper ends of the material passing openings, and a 35-degree angle is formed between the material passing rods and the material passing ways. The height of the lowest point of the material passing rods and the height of the material passing ways are 2mm higher than the height of the cut-off valves. The outer sides of the original material dosing ways are provided with original dosing sliding guiding rods. The original dosingsliding guiding rods are fixed on supporting rods. According to the automatic sequencing device for the cut-off valves, multiple direction decomposing and sorting and filtering are conducted on the material ways, sequencing and feeding of the cut-off valves are completed finally, and an on-line work original end is formed, so that smooth carrying out of automatic assembling equipment is facilitated, and the production efficiency is greatly improved.
Owner:YANTAI KAIBO AUTOMATION TECH

Automatic identification machine for image recognition spring, and working method thereof

The invention discloses an automatic identification machine for image recognition spring, and a working method thereof. The automatic identification machine is composed of a spring density ring automatic sequencing unit, a spring translation unit, a spring end face automatic locating unit, a spring automatic identification unit, a spring drying unit and a spring conveying unit. Springs are input through the spring density ring automatic sequencing unit, the front and back positions of spring density rings are judged through a pitch measuring camera, and the springs which do not meet the requirements are turned over through a spring density ring turnover mechanism; the sequenced springs are conveyed to the spring end face automatic locating unit through the spring translation unit; the position of an end face notch is measured through an end face notch measuring camera, and the springs are conveyed to the spring automatic identification unit through a spring pushing mechanism for identification; and the spring drying unit is used for drying, and the marked springs are conveyed through the spring conveying unit. According to the automatic identification machine, the problems that manual identification is slow, low in efficiency, prone to making mistakes, and not standard are solved, the cost is reduced, and the efficiency and quality are improved.
Owner:北京金维畅想科技有限公司
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