Patent application number | Description | Published |
20120160681 | NANOPORE-BASED SINGLE DNA MOLECULE CHARACTERIZATION, IDENTIFICATION AND ISOLATION USING SPEED BUMPS - The present invention relates to a method of using nanopores to obtain sequence information of sample DNAs in ss test DNAs. The method comprises using speed bumps to stall the ss test DNAs in the nanopores at random positions of the ss test DNAs to obtain sequence information of each and every nucleotides of the sample DNAs, and to construct the whole sequences of the sample DNAs. The present invention also relates to identification and/or isolation of test DNAs having desired sequence(s) using nanopore detectors facilitated by speed bump. | 06-28-2012 |
20120160688 | NANOPORE-BASED SINGLE DNA MOLECULE CHARACTERIZATION USING SPEED BUMPS - The present invention relates to a method of using nanopore to obtain sequence information of an unknown structure (unknown DNA) in a ss test DNA. The method comprises using speed bump to stall the ss test DNA in the nanopore at random positions of the ss test DNA to obtain sequence information of each and every nucleotides of the unknown DNA, and to construct the whole sequence of the unknown DNA. The present invention also relates to a novel method of trapping a ss test DNA in a nanopore using two bulky structures formed under different conditions (e.g. different temperature), and the bulky structures are able to keep the ss test DNA trapped in a nanopore at a working temperature. | 06-28-2012 |
20130237460 | SENSOR CIRCUIT FOR CONTROLLING, DETECTING, AND MEASURING A MOLECULAR COMPLEX - A device for controlling, detecting, and measuring a molecular complex is disclosed. The device comprises a common electrode. The device further comprises a plurality of measurement cells. Each measurement cell includes a cell electrode and an integrator electronically coupled to the cell electrode. The integrator measures the current flowing between the common electrode and the cell electrode. The device further comprises a plurality of analog-to-digital converters, wherein an integrator from the plurality of measurement cells is electrically coupled to one analog-to-digital converter of the plurality of analog-to-digital converters. | 09-12-2013 |
20140014513 | SYSTEMS AND METHODS FOR CHARACTERIZING A MOLECULE - Techniques for characterizing a molecule are described herein. In one example, a portion of the molecule is trapped in a nanopore, a variable voltage is applied across the nanopore until the trapped portion of molecule is moved within the nanopore, and the molecule is characterized based on the electrical stimulus required to affect movement of at least a portion of the trapped portion of the molecule within the nanopore. | 01-16-2014 |
20140027866 | NOISE SHIELDING TECHNIQUES FOR ULTRA LOW CURRENT MEASUREMENTS IN BIOCHEMICAL APPLICATIONS - A device having an integrated noise shield is disclosed. The device includes a plurality of vertical shielding structures substantially surrounding a semiconductor device. The device further includes an opening above the semiconductor device substantially filled with a conductive fluid, wherein the plurality of vertical shielding structures and the conductive fluid shield the semiconductor device from ambient radiation. In some embodiments, the device further includes a conductive bottom shield below the semiconductor device shielding the semiconductor device from ambient radiation. In some embodiments, the opening is configured to allow a biological sample to be introduced into the semiconductor device. In some embodiments, the vertical shielding structures comprise a plurality of vias, wherein each of the plurality of vias connects more than one conductive layers together. In some embodiments, the device comprises a nanopore device, and wherein the nanopore device comprises a single cell of a nanopore array. | 01-30-2014 |
20140203464 | SYSTEMS AND METHODS FOR FORMING A NANOPORE IN A LIPID BILAYER - A method of forming a nanopore in a lipid bilayer is disclosed. A nanopore forming solution is deposited over a lipid bilayer. The nanopore forming solution has a concentration level and a corresponding activity level of pore molecules such that nanopores are substantially not formed un-stimulated in the lipid bilayer. Formation of a nanopore in the lipid bilayer is initiated by applying an agitation stimulus level to the lipid bilayer. In some embodiments, the concentration level and the corresponding activity level of pore molecules are at levels such that less than 30 percent of a plurality of available lipid bilayers have nanopores formed un-stimulated therein. | 07-24-2014 |
20140221249 | NANOPORE ARRAYS - A method of analyzing molecules using a nanopore array including a plurality of cells included on a chip is disclosed. Nanopores are caused to be formed in at least a portion of the plurality of the cells. A first physical measurement of the nanopores is evaluated. It is determined whether to cause the molecules to interact with the nanopores. At least a portion of the nanopores is caused to interact with the molecules. A second physical measurement of the nanopores that indicates a property of the molecules is evaluated. It is determined whether to cause the nanopores to be reformed so that the cells may be reused to interact with additional molecules. | 08-07-2014 |
20140374252 | SYSTEMS AND METHODS FOR FORMING A NANOPORE IN A LIPID BILAYER - Techniques for forming a nanopore in a lipid bilayer are described herein. In one example, an agitation stimulus level such as an electrical agitation stimulus is applied to a lipid bilayer wherein the agitation stimulus level tends to facilitate the formation of nanopores in the lipid bilayer. In some embodiments, a change in an electrical property of the lipid bilayer resulting from the formation of the nanopore in the lipid bilayer is detected, and a nanopore has formed in the lipid bilayer is determined based on the detected change in the lipid bilayer electrical property. | 12-25-2014 |
20140374253 | SYSTEMS AND METHODS FOR MANIPULATING A MOLECULE IN A NANOPORE - Techniques for manipulating a molecule in a nanopore embedded in a lipid bilayer are described. In one example, an acquiring electrical stimulus level is applied across a lipid bilayer wherein a region of the lipid bilayer containing the nanopore is characterized by a resistance and wherein the acquiring electrical stimulus level tends to draw the molecule from a surrounding fluid into the nanopore, a change in the resistance of the lipid bilayer resulting from the acquisition of at least a portion of a molecule into the nanopore is detected, the acquiring electrical stimulus level is changed to a holding electrical stimulus level wherein the portion of the molecule remains in the nanopore upon the changing of the acquiring electrical stimulus level to the holding electrical stimulus level. | 12-25-2014 |
20150056364 | SYSTEMS AND METHODS FOR ASSEMBLING A LIPID BILAYER ON A SUBSTANTIALLY PLANAR SOLID SURFACE - Techniques for assembling a lipid bilayer on a substantially planar solid surface are described herein. In one example, a lipid material such as a lipid suspension is deposited on a substantially planar solid surface, a bubble filled with fast diffusing gas molecules is formed on the solid surface, and the gas molecules are allowed to diffuse out of the bubble to form a lipid bilayer on the solid surface. | 02-26-2015 |