Patent application number | Description | Published |
20080200349 | MICRODEVICES HAVING A PREFERENTIAL AXIS OF MAGNETIZATION AND USES THEREOF - This invention relates generally to the field of moiety or molecule isolation, detection and manipulation and library synthesis. In particular, the invention provides a microdevice, which microdevice comprises: a) a magnetizable substance; and b) a photorecognizable coding pattern, wherein said microdevice has a preferential axis of magnetization. Systems and methods for isolating, detecting and manipulating moieties and synthesizing libraries using the microdevices are also provided. | 08-21-2008 |
20080286750 | APPARATUS INCLUDING ION TRANSPORT DETECTING STRUCTURES AND METHODS OF USE - The present invention recognizes that the determination of ion transport function or properties using direct detection methods, such as whole cell recording or single channel recording, are preferable to methods that utilize indirect detection methods, such as FRET based detection system. The present invention provides biochips and other fluidic components and methods of use that allow for the direct analysis of ion transport function or properties using microfabricated structures that can allow for automated detection of ion transport function or properties. These biochips and fluidic components and methods of use thereof are particularly appropriate for automating the detection of ion transport function or properties, particularly for screening purposes. | 11-20-2008 |
20090048271 | HETEROCYCLIC COMPOUNDS AND USES AS ANTICANCER AGENTS - Novel compounds having a fused bicyclic heteroaromatic ring system substituted with a heteroaryl five-membered ring are disclosed. The compounds inhibit growth of a variety of types of cancer cells, and are thus useful for treating cancer. Efficacy of these compounds is demonstrated with a system for monitoring cell growth/migration, which shows they are potent inhibitors of growth and/or migration of cancer cells. In addition, compounds of the invention were shown to stop growth of tumors in vivo, and to reduce the size of tumors in vivo. Compositions comprising these compounds, and methods to use these compounds and compositions for treatment of cancers, are disclosed. | 02-19-2009 |
20090192146 | SUBSTITUTED ORGANOSULFUR COMPOUNDS AND METHODS OF USING THEREOF - The present invention provides substituted di-, tri-, tetra- and penta-sulfide compounds and compositions, and methods of using the same for the treatment and/or prevention of a cell proliferative disorder. The present invention also provides methods for preparing trisulfide compounds and compositions. | 07-30-2009 |
20090205201 | Impedance Based Devices and Methods for Use in Assays - A device for detecting cells and/or molecules on an electrode surface is disclosed. The device detects cells and/or molecules through measurement of impedance changes resulting from the cells and/or molecules. A disclosed embodiment of the device includes a substrate having two opposing ends along a longitudinal axis. A plurality of electrode arrays are positioned on the substrate. Each electrode array includes at least two electrodes, and each electrode is separated from at least one adjacent electrode in the electrode array by an expanse of non-conductive material. The electrode has a width at its widest point of more than about 1.5 and less than about 10 times the width of the expanse of non-conductive material. The device also includes electrically conductive traces extending substantially longitudinally to one of the two opposing ends of the substrate without intersecting another trace. Each trace is in electrical communication with at least one of the electrode arrays. | 08-20-2009 |
20090309618 | Real Time Electronic Cell Sensing System and Applications For Cytotoxicity Profiling and Compound Assays - The present invention includes devices, systems, and methods for assaying cells using cell-substrate impedance monitoring. In one aspect, the invention provides cell-substrate impedance monitoring devices that comprise electrode arrays on a nonconducting substrate, in which each of the arrays has an approximately uniform electrode resistance across the entire array. In another aspect, the invention provides cell-substrate monitoring systems comprising one or more cell-substrate monitoring devices comprising multiple wells each having an electrode array, an impedance analyzer, a device station that connects arrays of individual wells to the impedance analyzer, and software for controlling the device station and impedance analyzer. In another aspect, the invention provides cellular assays that use impedance monitoring to detect changes in cell behavior or state. The methods can be used to test the effects of compounds on cells, such as in cytotoxicity assays. Methods of cytotoxicity profiling of compounds are also provided. | 12-17-2009 |
20100029506 | Label-Free Monitoring of Excitation-Contraction Coupling and Excitable Cells Using Impedance Based Systems with Millisecond Time Resolution - Systems and methods for improved monitoring of excitation-contraction coupling and excitable cells are provided, which provide millisecond time resolution. The system is capable of continuously monitoring excitation-contraction coupling in a relatively high-throughput manner. The system includes a device for monitoring cell-substrate impedance, an impedance analyzer capable of impedance measurements at millisecond time resolution, electronic circuitry that can engage the device and selectively connect two or more electrode arrays of the device to the impedance analyzer and a software program that controls the electronic circuitry and records and analyzes data obtained from the impedance analyzer. | 02-04-2010 |
20100260984 | MICRODEVICES CONTAINING PHOTORECOGNIZABLE CODING PATTERNS AND METHODS OF USING AND PRODUCING THE SAME - This invention relates generally to the field of moiety or molecule analysis, isolation, detection and manipulation and library synthesis. In particular, the invention provides a microdevice, which microdevice comprises: a) a substrate; and b) a photorecognizable coding pattern on said substrate. Preferably, the microdevice does not comprise an anodized metal surface layer. Methods and kits for isolating, detecting and manipulating moieties, and synthesizing libraries using the microdevices are also provided. The invention further provides two-dimensional optical encoders and uses thereof. In certain embodiments, the invention provides a microdevice, which microdevice comprises: a) a magnetizable substance; and b) a photorecognizable coding pattern, wherein said microdevice has a preferential axis of magnetization. Systems and methods for isolating, detecting and manipulating moieties and synthesizing libraries using the microdevices are also provided. | 10-14-2010 |
20110039294 | SYSTEM AND METHOD FOR MONITORING CARDIOMYOCYTE BEATING, VIABILITY AND MORPHOLOGY AND FOR SCREENING FOR PHARMACOLOGICAL AGENTS WHICH MAY INDUCE CARDIOTOXICITY OR MODULATE CARDIOMYOCYTE FUNCTION - Devices and methods for performing extracellular recording of cells, such as excitable cells, cardiomyocytes, and cardiomyocyte precursor cells is provided. An exemplary device includes a nonconductive substrate forming or provided as a base of one or more wells; a recording electrode positioned on the substrate within the well, wherein the recording electrode is accessible to cells when a cell sample is added to the device; and a reference electrode positioned within the well in a cell-free zone, the cell-free zone characterized as free from contact with cells when the cell sample is added to the device, thereby preventing contact between cells and the reference electrode. | 02-17-2011 |
20110117542 | REAL TIME ELECTRONIC CELL SENSING SYSTEM AND APPLICATIONS FOR CYTOTOXICITY PROFILING AND COMPOUND ASSAYS - The invention provides methods of investigating a mechanism of action of a compound, which includes providing a device for monitoring cell-substrate impedance; attaching the device to an impedance analyzer; adding cells to two or more wells; adding a test compound to at least one of the wells and providing at least one control well; monitoring impedance of the wells to obtain a series of impedance measurements; plotting impedance measurements to obtain impedance curves and comparing the impedance curves to determine a time frame at which the test compound has a significant effect on cell growth or behavior. Determining the time frame provides information on changes in cell status in response to the test compound, including cell attachment or adhesion status, cell growth or proliferation status, the number of viable or dead cells, cytoskeletal organization or structure, and the number of cells going through apoptosis or necrosis. | 05-19-2011 |
20110207751 | HETEROCYCLIC COMPOUNDS AND USES AS ANTICANCER AGENTS - Novel compounds having a fused bicyclic heteroaromatic ring system substituted with a thiazole ring are disclosed. The compounds inhibit growth of a variety of types of cancer cells, and are thus useful for treating cancer. Efficacy of these compounds is demonstrated with a system for monitoring cell growth/migration, which shows they are potent inhibitors of growth and/or migration of cancer cells. In addition, compounds of the invention were shown to stop growth of tumors in vivo, and to reduce the size of tumors in vivo. Compositions comprising these compounds, and methods to use these compounds and compositions for treatment of cancers, are disclosed. | 08-25-2011 |
20110300569 | DATA ANALYSIS OF IMPEDANCE-BASED CARDIOMYOCYTE-BEATING SIGNALS AS DETECTED ON REAL-TIME CELL ANALYSIS (RTCA) CARDIO INSTRUMENTS - A method of determining one or more beating parameters for use in cardiomyocyte beating analysis including: providing a cell analysis device including wells, each well including a sensor capable of monitoring beating of cardiomyoctes in millisecond time resolution; adding cardiomyocytes to the wells; monitoring the beating of the cardiomyocytes in millisecond time resolution to obtain a plurality of beating measurements; and calculating one or more beating parameters from the plurality of beating measurements. | 12-08-2011 |
20120142031 | REAL TIME ELECTRONIC CELL SENSING SYSTEMS AND APPLICATIONS FOR CELL-BASED ASSAYS - The present invention includes devices, systems, and methods for assaying cells using cell-substrate impedance monitoring. In one aspect, the invention provides cell-substrate impedance monitoring devices that comprise electrode arrays on a nonconducting substrate, in which each of the arrays has an approximately uniform electrode resistance across the entire array. In another aspect, the invention provides cellular assays that use impedance monitoring to detect changes in cell behavior or state. In some preferred aspects, the assays are designed to investigate the affects of compounds on cells, such as cytotoxicity assays. | 06-07-2012 |
20120225424 | Device and Method for Electroporation-Based Delivery of Molecules Into Cells and Dynamic Monitoring of Cell Responses - The present invention includes devices and methods for transfecting a cell or cell population and dynamic monitoring of cellular events. A variety of microelectronic devices are provide that incorporate functions such as electroporation, modulation of a transmembrane potential and dynamic monitoring of cellular functions and mechanisms. | 09-06-2012 |
20120228386 | MICRODEVICES CONTAINING PHOTORECOGNIZABLE CODING PATTERNS AND METHODS OF USING AND PRODUCING THE SAME - This invention relates generally to the field of moiety or molecule analysis, isolation, detection and manipulation and library synthesis. In particular, the invention provides a microdevice, which microdevice comprises: a) a substrate; and b) a photorecognizable coding pattern on said substrate. Preferably, the microdevice does not comprise an anodized metal surface layer. Methods and kits for isolating, detecting and manipulating moieties, and synthesizing libraries using the microdevices are also provided. The invention further provides two-dimensional optical encoders and uses thereof. In certain embodiments, the invention provides a microdevice, which microdevice comprises: a) a magnetizable substance; and b) a photorecognizable coding pattern, wherein said microdevice has a preferential axis of magnetization. Systems and methods for isolating, detecting and manipulating moieties and synthesizing libraries using the microdevices are also provided. | 09-13-2012 |
20120295253 | Dynamic Monitoring of Activation of Receptor Tyrosine Kinase (RTK) in Living Cells Using Real-Time Microelectronic Cell Sensing Technology - Methods for identifying a compound capable of interacting with a Receptor Tyrosine Kinase (RTK) including providing a device capable of measuring cell-substrate impedance, adding test cells expressing a RTK to the device, measuring first impedances, adding a compound to at least one compound well and adding a vehicle control at least one control well, measuring second impedances of the compound well and the control well, determining the change in the impedance for the compound well and the one control well, comparing the change in impedance between the compound well and the control well, and identifying the compound interacts with the RTK if the comparison demonstrates a significant difference between the change in impedance. | 11-22-2012 |
20130100443 | DEVICE FOR SPLITTING LIGHT INTO COMPONENTS HAVING DIFFERENT WAVELENGTH RANGES AND METHODS OF USE - A prism including a substrate faceted to provide a plurality of flat surfaces, wherein at least two of the plurality of surfaces, each including a filter coating, form at least two filter surfaces, wherein each filter surface selectively permits passage of a predetermined wavelength and reflects remaining wavelengths along an optical path towards another of the plurality of surfaces, optionally another filter surface, wherein an angle of incidence of each of the plurality of surfaces along the optical path is equal or nearly equal. An apparatus incorporating the prism and its use for splitting a light spectrum into a plurality of wavelengths or wavelength ranges. | 04-25-2013 |
20130123136 | REAL-TIME ELECTRONIC CELL SENSING SYSTEM AND APPLICATIONS FOR CYTOTOXICITY PROFILING AND COMPOUND ASSAYS - A method of performing an assay of a response of two or more cell types to a test compound, including: providing a device for monitoring cell-substrate impedance, adding at least two different cell types to the device; adding at least one test compound to form at least two test compound wells; providing at least two control wells; monitoring impedance of the at least two test compound wells and of the at least two control wells at three or more time points after adding the at least one test compound; and analyzing measured impedance from the at least two test compound wells and from the at least two control wells at the three or more time points to obtain information on the response of the different cell types to the at least one test compound. | 05-16-2013 |
20130143254 | CO-CULTURE DEVICE ASSEMBLY - An insert device and co-culture device assembly incorporating the insert device, which includes an insert chamber with two fluid impermeable side walls that extend from a microporous bottom to an open top to form an inner cavity. The first side wall is shaped to form a convex arc that follows between about half of a circumference of the well and less than an entire circumference of the well. The second side wall joins ends of the first side wall and protrudes inward towards a center of the convex arc. A flange extends outward from or beneath the top and is notched to form a gap adjacent to the second side wall, which forms an access port allowing access to the lower chamber with a micropipette tip when the insert device is inserted into a well of a single or multi-well plate. | 06-06-2013 |
20130190320 | HETEROCYCLIC COMPOUNDS AND USES AS ANTICANCER AGENTS - The present disclosure provides pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways. | 07-25-2013 |
20130200277 | SYSTEM AND METHOD FOR DETECTING MULTIPLE-EXCITATION-INDUCED LIGHT IN A FLOW CHANNEL - A system for detecting signal components of light induced by multiple excitation sources including: a flow channel including at least two spatially separated optical interrogation zones; a non-modulating excitation source that directs a light beam of a first wavelength at a near constant intensity onto a first of the optical interrogation zones; a modulating excitation source that directs a light beam of a second wavelength with an intensity modulated over time at a modulating frequency onto a second of the optical interrogation zones; a detector subsystem comprising a set of detectors configured to detect light emitted from particles flowing through the at least two optical interrogation zones and to convert the detected light into a total electrical signal; and a processor that determines signal components from the light detected from each of the optical interrogation zones. | 08-08-2013 |
20140038940 | NOVEL EGFR MODULATORS AND USES THEREOF - The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways. | 02-06-2014 |
20140038981 | NOVEL EGFR MODULATORS AND USES THEREOF - The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways. | 02-06-2014 |
20140057283 | IMPEDANCE BASED DEVICES AND METHODS FOR USE IN ASSAYS - A method for assaying target molecules in a sample liquid, the method comprising: providing an impedance monitoring device operably connected to an impedance analyzer; adding a sample liquid suspected of having target molecules to the well thereby permitting binding of target molecules to the capture molecules; monitoring impedance of the well; and determining the presence, amount or concentration of target molecules in the liquid sample from the monitored impedance. The device includes a nonconducting substrate having a well, at least two electrodes fabricated on a bottom of the well and on a same plane, wherein the surfaces of the at least two electrodes are modified with capture molecules configured to bind target molecules in a liquid sample, and at least two connection pads electrically connected to the at least two electrodes. | 02-27-2014 |
20140073536 | METHODS AND COMPOSITIONS FOR DETECTING NON-HEMATOPOIETIC CELLS FROM A BLOOD SAMPLE - The present invention recognizes that diagnosis and prognosis of many conditions can depend on the enrichment of rare cells, especially tumor cells, from a complex fluid sample such as a blood sample. In particular, the present invention is directed to methods and compositions for detecting a non-hematopoietic cell, e.g., a non-hematopoietic tumor cell, in a blood sample via, inter alia, removing red blood cells (RBCs) from a blood sample using a non-centrifugation procedure, removing white blood cells (WBCs) from said blood sample to enrich a non-hematopoietic cell, if any, from said blood sample; and assessing the presence, absence and/or amount of said enriched non-hematopoietic cell. | 03-13-2014 |
20140203818 | SYSTEM AND METHOD FOR MONITORING CARDIOMYOCYTE BEATING, VIABILITY, MORPHOLOGY, AND ELECTROPHYSIOLOGICAL PROPERTIES - Devices, systems and methods for monitoring excitable cells, such as cardiomyocytes, on microelectrode arrays that couple the electro-stimulation of excitable cells to induce or regulate cardiomyocyte beating and the simultaneous measurement of impedance and extracellular recording to assess changes in cardiomyocyte beating, viability, morphology or electrophysical properties in response to a plurality of treatments. | 07-24-2014 |
20150079677 | METHODS AND COMPOSITIONS FOR SEPARATING RARE CELLS FROM FLUID SAMPLES - The present invention includes methods of enriching rare cells, such as cancer cells, from biological samples, such as blood samples. The methods include performing at least one debulking step on a blood sample and selectively removing at least one type undesirable component from the blood sample to obtain a blood sample that is enriched in a rare cell of interest. In some embodiments magnetic beads coupled to specific binding members are used to selectively removed components. | 03-19-2015 |