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Mass Spectrometry

Mass Spectrometry-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Methods and devices for parallel analysis of ion mobility spectrum and mass spectrum
Shimadzu Corporation
October 12, 2017 - N°20170294295

A method for parallel analysis in mass spectrometry and ion mobility spectrometry includes enabling a sample to be subjected to a chromatography separation; ionizing the chromatography separated sample and then feeding the sample into a succeeding stage device for analysis, comprising: analyzing at least part of the ionized sample through an ion mobility spectrometer to obtain an ion mobility spectrum, ...
Mass spectrometry for determining if a mutated variant of a target protein is present in ...
Micromass Uk Limited
October 12, 2017 - N°20170292960

A method of mass spectrometry is disclosed for determining if a mutated variant of a target protein is present in a sample. The method comprises subjecting the sample to fragmentation so as to cause said target protein to fragment to form second generation fragment ions, and then mass analysing these fragment ions to obtain spectral data. The method determines if ...
N-nitrosamine determination in aqueous samples with sonication and microextraction
King Fahd University Of Petroleum And Minerals
October 12, 2017 - N°20170292939

An automated dispersive liquid-liquid microextraction method of detecting and quantifying n-nitrosamines in an aqueous sample. The method includes (a) extracting an aqueous solution comprising the n-nitrosamines by mixing an extraction solvent and a dispersive solvent with the aqueous solution, such that the n-nitrosamines, or a portion thereof, re-distribute from the aqueous solution to the extraction solvent, (b) permitting the resulting ...
Mass Spectrometry Patent Pack
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Mass Spectrometry Patent Applications
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  • 279+ full patent PDF documents of Mass Spectrometry-related inventions.
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Methods of detecting reverse triiodothyronine by mass spectrometry
Quest Diagnostics Investments Incorporated
October 05, 2017 - N°20170287688

Provided are methods for determining the amount of reverse t3 in a sample using mass spectrometry. The methods generally involve ionizing reverse t3 in a sample and detecting and quantifying the amount of the ion to determine the amount of reverse t3 in the sample.
Data independent acquisition with variable multiplexing degree
Thermo Finnigan Llc
October 05, 2017 - N°20170287687

A method is disclosed for analyzing ions by mass spectrometry by repeatedly executing a data acquisition cycle to acquire product ion data across a precursor mass range of interest. The data acquisition cycle comprises performing, for each of a plurality of isolation windows having different mass ranges, steps of (i) isolating precursor ions within the mass range of the isolation ...
Gas-phase purification for accurate isobaric tag-based quantification
Wisconsin Alumni Research Foundation
October 05, 2017 - N°20170285042

Described herein are mass spectrometry systems and methods which improve the accuracy of isobaric tag-based quantification by alleviating the pervasive problem of precursor interference and co-isolation of impurities through gas-phase purification. During the gas-phase purification, the mass-to-charge ratios of precursor ions within at least a selected range are selectively changed allowing ions having similar unmodified mass-to-charge ratios to be separated ...
Mass Spectrometry Patent Pack
Download 279+ patent application PDFs
Mass Spectrometry Patent Applications
Download 279+ Mass Spectrometry-related PDFs
For professional research & prior art discovery
inventor
  • 279+ full patent PDF documents of Mass Spectrometry-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method and system for detecting pesticide residue in argicultural products using mass spectrometry imaging analysis
Agricultural Chemicals And Toxic Substances Research Institute, Council Of Agriculture, Execut
October 05, 2017 - N°20170284984

A method and system for detecting pesticide residue in agricultural products. The system includes a chromatographic and mass-spectrometric system and a computer. The system inspects first and second sample solutions prepared from two identical extracts of an agricultural product. The first sample solution includes no additives while the second sample is added with a pesticide standard which is intended to ...
Multi-capillary column pre-concentration system for enhanced sensitivity in gas chromatography (gc) and gas chromatography-mass spectrometry (...
Entech Instruments Inc.
October 05, 2017 - N°20170284978

A multi-capillary column pre-concentration trap for use in various chromatography techniques (e. G., gas chromatography (gc) or gas chromatography-mass spectrometry (gcms)) is disclosed. In some examples, the trap can include a plurality of capillary columns connected in series in order of increasing strength (i. E., increasing chemical affinity for one or more sample compounds). A sample can enter the trap, ...
Photocurable composition, method for forming a pattern, and method for producing a photocured product
Canon Kabushiki Kaisha
September 28, 2017 - N°20170278704

It is intended to provide a photocured product that is prepared using the photo-imprint method and has favorable pattern precision and improvement in pattern defects. The present invention provides a photocured product obtained by irradiating a coating film in contact with a mold with light, the photocured product containing a fluorine atom-containing surfactant, wherein of secondary ion signals obtained by ...
Systems and methods for the measurement of tacrolimus in oral fluids by liquid chromatography tandem ...
Rhode Island Council On Postsecondary Education, Statutory Board Of Education, And Rhode Island Boa
September 28, 2017 - N°20170276693

Disclosed is a method of measuring tacrolimus levels in a subject. In exemplary embodiments, the method comprises the steps of: collecting oral fluid from the subject; homogenizing the oral fluid; combining the homogenized oral fluid with a precipitating solvent; separating oral fluid components on a liquid chromatography column by gradient elution with a mixture of a solvent a and a ...
Anti-himf antibodies to treat lung diseases
The Johns Hopkins University
September 28, 2017 - N°20170276688

Hypoxia induced mitogenic factor (himf) is a member of the “found in inflammatory zone” (fizz)/resistin family of proteins and has potent mitogenic, angiogenic, and vasoconstrictive effects in the lung vasculature. The receptor/binding partners for this family of proteins have been largely unknown. We identified bruton's tyrosine kinase (btk) as a functional himf binding partner ...
Precise estimation of glomerular filtration rate from multiple biomarkers
Tufts Medical Center, Inc.
September 28, 2017 - N°20170276669

The present invention relates to the field of nephrology. More specifically, the present invention provides methods and compositions useful for more precisely estimating glomerular filtration rate (gfr). In a specific embodiment, a method for calculating the estimated glomerular filtration rate (egfr) in a patient comprises the steps of (a) measuring the level of one or more metabolites using mass spectrometry ...
Accurate mobility chromatograms
Micromass Uk Limited
September 28, 2017 - N°20170276645

A method of mass spectrometry is disclosed comprising: a) separating first ions or components of an analyte sample according to a physicochemical property other than ion mobility; b) separating said first ions or second ions formed from said components according to ion mobility; c) detecting the intensities of said first ions, or detecting the intensities of second ions formed from ...
Mass Spectrometry Patent Pack
Download 279+ patent application PDFs
Mass Spectrometry Patent Applications
Download 279+ Mass Spectrometry-related PDFs
For professional research & prior art discovery
inventor
  • 279+ full patent PDF documents of Mass Spectrometry-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method for quantifying at least one microorganism group via mass spectrometry
BiomÉrieux
September 28, 2017 - N°20170275667

A method for quantifying at least one microorganism group via at least one mass spectrometry analysis. The method includes at least one separation and fragmentation step. The method moreover includes a step that involves measuring the amount of at least one representative peptide or at least one protein representing the microorganism group. The at least one representative peptide or the ...
Fast modulation with downstream homogenisation
Micromass Uk Limited
September 21, 2017 - N°20170271141

A method of mass spectrometry is disclosed involving scanning a parameter of a first device through which a mixture of components is passed. Different components are transmitted through or produced in the first device at different values of the parameter and hence scanning the device parameter introduces a temporal modulation or profile to the components. This temporal variation is then ...
Mass spectrometry systems with convective flow of buffer gas for enhanced signals and related methods
The University Of North Carolina At Chapel Hill
September 21, 2017 - N°20170271139

Mass spectrometry systems include an ionizer, mass analyzer and the detector, with a high pressure chamber holding the mass analyzer and a separate chamber holding the detector to allow for differential background pressures where p2<p1 which generates gas flow through an unsealed, sealed or partially sealed ion trap and enhances detected signal relative to when p2=p1.
Mass-spectral method for selection, and de-selection, of cancer patients for treatment with immune response generating ...
Globeimmune Inc.
September 21, 2017 - N°20170271136

A method and system for predicting in advance of treatment whether a cancer patient is likely, or not likely, to obtain benefit from administration of a yeast-based immune response generating therapy, which may be yeast-based immunotherapy for mutated ras-based cancer, alone or in combination with another anti-cancer therapy. The method uses mass spectrometry of a blood-derived patient sample and a ...
Multidimensional mass spectrometry data processing device
Shimadzu Corporation
September 21, 2017 - N°20170271135

For a sample whose components are separated from each other, an ms2 analysis is repeatedly performed by an ms/ms unit to obtain ms2 spectra. Peak information is collected from the ms2 spectrum acquired for each micro area on a two-dimensional chromatogram. A principal component analysis processor performs a principal component analysis on the collected peak information to determine a ...
Methods for detecting estrone by mass spectrometry
Quest Diagnostics Investments Incorporated
September 21, 2017 - N°20170269107

Provided are methods for determining the amount of estrone in a sample using mass spectrometry. The methods generally involve ionizing estrone in a sample and detecting and quantifying the amount of the ion to determine the amount of estrone in the sample.
Miniature charged particle trap with elongated trapping region for mass spectrometry
The University Of North Carolina At Chapel Hill
September 14, 2017 - N°20170263432

A miniature electrode apparatus is disclosed for trapping charged particles, the apparatus including, along a longitudinal direction: a first end cap electrode; a central electrode having an aperture; and a second end cap electrode. The aperture is elongated in the lateral plane and extends through the central electrode along the longitudinal direction and the central electrode surrounds the aperture in ...
Mass spectrometry of steroidal compounds in multiplexed patient samples
Quest Diagnostics Investments Incorporated
September 14, 2017 - N°20170261523

The invention relates to the quantitative measurement of steroidal compounds by mass spectrometry. In a particular aspect, the invention relates to methods for quantitative measurement of steroidal compounds from multiple samples by mass spectrometry.
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