Patent application number | Description | Published |
20100108877 | ION MOBILITY BASED SEPARATION METHODS AND APPARATUS - The present invention describes separating components in a sample in an ion mobility based spectrometer using at least one matching property of the components other than the molecular properties in conventional ion mobility measurements in noble drift gases to enhance separation and resolution of the sample. Separation based on the matching property is realized by altering the drift media of the IMS. Besides altering drift media, energy level of ions and/or drift media are also controlled during the separation process. This invention describes an ion mobility apparatus wherein an energy source is added to the IMS that provides additional energy to the ions and/or drift media and tuning methods that involve selecting drift media and optimizing the energy level in order to achieve optimal performance. | 05-06-2010 |
20100127166 | METHOD AND APPARATUS FOR CHEMICAL AND BIOLOGICAL SAMPLE SEPARATION - The present invention involves a series of shifting reagents that selectively interact with a targeted functional group of biological molecules, pharmaceutical drugs, small molecules, chemicals, chemical agents, or explosives resulting in a structure selective based drift time shift in the IMS. The invention allows detecting and confirming samples using one or more ion mobility based spectrometers. | 05-27-2010 |
20100148058 | METHOD AND APPARATUS FOR CHEMICAL AND BIOLOGICAL SAMPLE SEPARATION - The present invention describes a method and apparatus for separating chemical and/or biological samples based on selective ion-molecular interactions in the gas phase. A chemical modifier is added to the drift gas that interacts selectively with a targeted molecule in at least one component of the sample in a drift tube. The component may be impurities and/or interferences in the sample whereby the chemical modifier enhances sample resolution by shifting the components drift times. In addition, reagents can be added to the sample prior to, during, or after ionization to form a complex with selected components in the sample. In addition, one or more internal and/or external standard can also be added to the sample as a calibration for the measurement. | 06-17-2010 |
20120228490 | APPARATUS AND METHOD FOR ION MOBILITY SPECTROMETRY AND SAMPLE INTRODUCTION - The IMS apparatus and methods described in this invention involve setting the ion detector at the highest potential of the drift tube and setting the ionization source at ground or near ground potential. The methods allow significantly simple sample introduction without the limitation of the high potential (voltage) concern of the front end sample delivery. The invention also describes bringing samples directly into the ion mobility drift tube. The invention further describes using single syringe for sample introduction via an electrospray ionization method. | 09-13-2012 |
20120228491 | HIGH PERFORMANCE ION MOBILITY SPECTROMETER APPARATUS AND METHODS - An ion mobility spectrometer wherein ions are separated along a drift axis while providing a drift gas flow in a direction that is substantially neither in the direction of the drift axis nor opposite to the drift axis. An ion mobility spectrometer and operation methods use a cross-directional gas flow in a drift tube and/or a segmented drift tube for pre-separation. | 09-13-2012 |
20120273667 | METHOD AND APPARATUS FOR CHEMICAL AND BIOLOGICAL SAMPLE SEPARATION - The present invention describes a method and apparatus for separating chemical and/or biological samples based on selective ion-molecular interactions in the gas phase. A chemical modifier is added to the drift gas that interacts selectively with a targeted molecule in at least one component of the sample in a drift tube. The component may be impurities and/or interferences in the sample whereby the chemical modifier enhances sample resolution by shifting the components drift times. In addition, reagents can be added to the sample prior to, during, or after ionization to form a complex with selected components in the sample. In addition, one or more internal and/or external standard can also be added to the sample as a calibration for the measurement. | 11-01-2012 |
20120305761 | METHOD AND APPARATUS FOR CHEMICAL AND BIOLOGICAL SAMPLE SEPARATION - The present invention involves a series of shifting reagents that selectively interact with a targeted functional group of biological molecules, pharmaceutical drugs, small molecules, chemicals, chemical agents, or explosives resulting in a structure selective based drift time shift in the IMS. Additional energy is used to enhance the mobility based separation; in particular, the energy level can be tuned. | 12-06-2012 |
20130187037 | PARALLEL ION MASS AND ION MOBILITY ANALYSIS - The present invention relates to a parallel IMS and MS measurement method where a sample flow is split and delivered to an IMS and a MS in parallel. A parallel acquisition MS/IMS method is used to supplement LC-MS and or MS data by using a synchronized MS/IMS acquisition. | 07-25-2013 |
20140367567 | PARALLEL ION MASS AND ION MOBILITY ANALYSIS - The present invention relates to a parallel IMS and MS measurement method where a sample flow is split and delivered to an IMS and a MS in parallel. A parallel acquisition MS/IMS method is used to supplement LC-MS and or MS data by using a synchronized MS/IMS acquisition. | 12-18-2014 |
20150069227 | HIGH PERFORMANCE ION MOBILITY SPECTROMETER APPARATUS AND METHODS - An ion mobility spectrometry method wherein ions are separated along a drift axis while providing a drift gas flow in a direction that is substantially neither in the direction of the drift axis nor opposite to the drift axis. Ion mobility spectrometer operation methods use a cross-directional gas flow in a drift tube and/or a segmented drift tube for pre-separation. | 03-12-2015 |
Patent application number | Description | Published |
20100144732 | PYRIMIDINE KINASE INHIBITORS - The invention provides novel kinase inhibitors that are useful as therapeutic agents for example in the treatment malignancies where the compounds have the general formula I wherein Q, X, Y, Z, R | 06-10-2010 |
20120039849 | TETRAHYDROTHIAZOLOPYRIDINE INHIBITORS OF PHOSPHATIDYLINOSITOL 3-KINASE - The present invention relates to compounds useful as inhibitors of PI3K, particularly of PI3Kγ. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. | 02-16-2012 |
20120040950 | ISOINDOLINONE INHIBITORS OF PHOSPHATIDYLINOSITOL 3-KINASE - The present invention relates to compounds useful as inhibitors of PI3K, particularly of PI3Kγ. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. | 02-16-2012 |
20120202784 | ISOINDOLINONE INHIBITORS OF PHOSPHATIDYLINOSITOL 3-KINASE - The present invention relates to compounds useful as inhibitors of PI3K, particularly of PI3Kγ. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. | 08-09-2012 |
Patent application number | Description | Published |
20080220422 | RARE CELL ANALYSIS USING SAMPLE SPLITTING AND DNA TAGS - The present invention provides systems, apparatuses, and methods to detect the presence of fetal cells when mixed with a population of maternal cells in a sample and to test fetal abnormalities, e.g. aneuploidy. The present invention involves labeling regions of genomic DNA in each cell in said mixed sample with different labels wherein each label is specific to each cell and quantifying the labeled regions of genomic DNA from each cell in the mixed sample. More particularly the invention involves quantifying labeled DNA polymorphisms from each cell in the mixed sample. | 09-11-2008 |
20100136529 | Rare cell analysis using sample splitting and DNA tags - The present invention provides systems, apparatuses, and methods to detect the presence of fetal cells when mixed with a population of maternal cells in a sample and to test fetal abnormalities, e.g. aneuploidy. The present invention involves labeling regions of genomic DNA in each cell in said mixed sample with different labels wherein each label is specific to each cell and quantifying the labeled regions of genomic DNA from each cell in the mixed sample. More particularly the invention involves quantifying labeled DNA polymorphisms from each cell in the mixed sample. | 06-03-2010 |
20110306043 | DEVICES AND METHODS FOR ENRICHMENT AND ALTERATION OF CIRCULATING TUMOR CELLS AND OTHER PARTICLES - The invention features devices and methods for detecting, enriching, and analyzing circulating tumor cells and other particles. The invention further features methods of diagnosing a condition, e.g., cancer, in a subject by analyzing a cellular sample from the subject. | 12-15-2011 |
20120171666 | Rare Cell Analysis Using Sample Splitting And DNA Tags - The present invention provides systems, apparatuses, and methods to detect the presence of fetal cells when mixed with a population of maternal cells in a sample and to test fetal abnormalities, e.g. aneuploidy. The present invention involves labeling regions of genomic DNA in each cell in said mixed sample with different labels wherein each label is specific to each cell and quantifying the labeled regions of genomic DNA from each cell in the mixed sample. More particularly the invention involves quantifying labeled DNA polymorphisms from each cell in the mixed sample. | 07-05-2012 |
20120171667 | Rare Cell Analysis Using Sample Splitting And DNA Tags - The present invention provides systems, apparatuses, and methods to detect the presence of fetal cells when mixed with a population of maternal cells in a sample and to test fetal abnormalities, e.g. aneuploidy. The present invention involves labeling regions of genomic DNA in each cell in said mixed sample with different labels wherein each label is specific to each cell and quantifying the labeled regions of genomic DNA from each cell in the mixed sample. More particularly the invention involves quantifying labeled DNA polymorphisms from each cell in the mixed sample. | 07-05-2012 |
20130244258 | Sensitive and Specific Assay for Babesia spp. - The invention is directed to methods of using novel | 09-19-2013 |
20140329304 | RAPID PEPTIDOGLYCAN-BASED ASSAY FOR DETECTION OF BACTERIAL CONTAMINATION - The invention relates to a colorimetric method for detecting bacterial or fungal pathogens by detecting peptidoglycan or (1-3)-β-D-glucan in a sample. | 11-06-2014 |
20150185208 | LED ASSAY READER WITH TOUCHSCREEN CONTROL AND BARCODE SAMPLE ID - Assay devices, assay detection systems, and methods comprising same for analytical tests, medical assays, diagnostic tests, medical diagnosis, risk assessment, or quality control purposes are provided. These devices, systems, and methods are designed to be employed at the point of care, such as in emergency rooms, operating rooms, hospital laboratories and other clinical laboratories, doctor's offices, in the field, or in any situation in which a rapid and accurate result is desired. The systems and methods process samples, such as clinical, biological, or blood sample, and read data from colorimetric based biochemical assays to provide an indication of the presence or absence of a bacterial, fungal, or viral contaminants therein. The assay devices include an optical reader apparatus and barcode scanner for reading and matching the test results to identification information provided by the barcodes to facilitate ease of tracking compliant and noncompliant samples. | 07-02-2015 |