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Thermo Finnigan Llc patents


Recent patent applications related to Thermo Finnigan Llc. Thermo Finnigan Llc is listed as an Agent/Assignee. Note: Thermo Finnigan Llc may have other listings under different names/spellings. We're not affiliated with Thermo Finnigan Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Thermo Finnigan Llc-related inventors


Ion transfer tube flow and pumping system load

A mass spectrometer system can include an ion source, a vacuum chamber; a mass analyzer within the vacuum chamber, a transfer tube between the ion source and the vacuum chamber, a transfer tube heater, and a vacuum pump. The mass spectrometer system can be configured to reduce the pump speed... Thermo Finnigan Llc

Methods for transferring ions in a mass spectrometer

A method for transporting ions includes: providing an ion transfer tube having an axis and an internal bore having a width and a height less than the width; and providing an apparatus comprising a plurality of electrodes, each having a respective ion aperture having an aperture center, the apertures defining... Thermo Finnigan Llc

Methods for optimizing mass spectrometer parameters

A method for determining optimal values of a mass spectral operating parameter for mass spectral analysis of each of a plurality of compounds comprises: acquiring a plurality of mass spectral measurements of each of at least one characteristic ion species of each respective compound during its introduction into a mass... Thermo Finnigan Llc

Systems and methods for improving loading capacity of a segmented reaction cell by utilizing all available segments

A method for analyzing a sample includes trapping a first ion packet in a first segment of a multi-segment reaction cell; trapping a second ion packet in a second segment of the multi-segment reaction cell; and trapping a third ion packet in a third segment of the multi-segment reaction cell.... Thermo Finnigan Llc

Methods of performing ion-ion reactions in mass spectrometry

A method is described that produces product ions for mass analysis, the method comprising the steps of: introducing precursor ions into an RF electric field ion containment device, introducing reagent ions into the RF electric field ion containment device and performing an ion-ion interaction in the RF electric field ion... Thermo Finnigan Llc

Mass spectrometry analysis of biomolecules by multiple charge state selection using a concurrent precursor isolation technique

A method is described for the analysis of biological polymers, for example, intact proteins or oligonucleotides, by mass spectrometry. This method produces sample ions from a sample containing biological polymers, and ion species are selected that correspond to different charge states of a biological polymer molecule. The ion species are... Thermo Finnigan Llc

Systems and methods for grouping ms/ms transitions

A method for analyzing a sample includes identifying a plurality of precursors for analysis and grouping the precursors into two or more groups. The precursors are grouped such that for the precursors within a group the masses of ions of the precursors in the group are within a first mass... Thermo Finnigan Llc

Analyzing a complex sample by ms/ms using isotopically-labeled standards

A method and corresponding apparatus are disclosed for analysis of a peptide-containing sample. The sample is prepared by adding isotopically-labeled peptides corresponding to endogenous peptides of interest, and the prepared sample is analyzed by liquid chromatography-mass spectrometry (LCMS). Detection in a high-resolution, accurate mass (HRAM) MS1 spectrum of a precursor... Thermo Finnigan Llc

Systems and methods for reducing the kinetic energy spread of ions radially ejected from a linear ion trap

A system for analyzing a sample includes a linear ion trap, an insert DC electrode, a voltage controller, and an RF control circuitry. The linear ion trap includes a first pair of trap electrodes and a second pair of trap electrodes spaced apart from each other and surrounding a trap... Thermo Finnigan Llc

Systems and methods for sample comparison and classification

A system includes a database server and a plurality of processing nodes. The plurality of processing nodes are configured to receive mass spectrometry data from a plurality of samples; align the mass spectrometry data to correct for changes in retention time to generate a reference alignment; cluster compounds across the... Thermo Finnigan Llc

Gas chromatography columns with integrated ferrules

A capillary column includes a fused silica tubing and a polyimide coating over the fusing silica tubing. Additionally, the capillary column further includes a first plurality of integrated ferrules positioned along at least a first portion of the fused silica tubing and spaced apart from one another by a first... Thermo Finnigan Llc

Data independent acquisition with variable multiplexing degree

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)... Thermo Finnigan Llc

Ion beam mass pre-separator

An apparatus for separating ions includes an electrode arrangement having a length extending between first and second ends. The first end is configured to introduce a beam of ions into an ion transmission space of the arrangement. An electronic controller applies an RF potential and a DC potential to an... Thermo Finnigan Llc

Apparatus and coupling tubing to chromatographic column

A method for coupling a tubing to a liquid chromatography column comprises: passing an end of the tubing through a coupling apparatus comprising: (i) at least one chamber; (ii) a first spring within the at least one chamber configured to transmit a spring force to the tubing; (iii) a second... Thermo Finnigan Llc

Ion separation and storage system

Ions provided from an ion source are separated ions into a plurality of different ion groups according to at least one ion property. At least some of the different ion groups are stored in an ion storage array, which comprises a plurality of independently operable storage cells, each storage cell... Thermo Finnigan Llc

Methods for mass spectrometric based characterization of biological molecules

Applications of ion-ion reaction chemistry are disclosed in which proton transfer reactions (PTR) combined with higher-collision-energy dissociation (HCD) are used to (1) simplify complex mixture analysis of samples introduced into a mass spectrometer, and (2) improve resolution and sensitivity for the analysis of large proteins in excess of 50 kDa... Thermo Finnigan Llc

Methods for top-down multiplexed mass spectral analysis of mixtures of proteins or polypeptides

Applications of ion-ion reaction chemistry are disclosed in which proton transfer reactions (PTR) and real-time data analysis methods are used to (1) simplify complex mixture analysis of samples introduced into a mass spectrometer, and (2) improve resolution and sensitivity for the analysis of large proteins in excess of 50 kDa... Thermo Finnigan Llc

Rapid mass spectrometry methods for antimicrobial susceptibility testing using top-down mass spectrometry

Methods and systems for rapid prediction and/or confirmation of antimicrobial susceptibility of a microorganism using top-down mass spectrometry, ion-ion chemistry, and a database with susceptibility, pathogenicity and antimicrobial resistance markers for sample characterization.... Thermo Finnigan Llc

Ion transfer tube flow and pumping system load

A mass spectrometer system can include an ion source, a vacuum chamber; a mass analyzer within the vacuum chamber, a transfer tube between the ion source and the vacuum chamber, a transfer tube heater, and a vacuum pump. The mass spectrometer system can be configured to reduce the pump speed... Thermo Finnigan Llc

Methods and tandem collision-induced dissociation cells

A method for operating a mass spectrometer so as to detect or quantify analytes, comprises: (a) identifying a selected-reaction-monitoring (SRM) transition to be used for each respective analyte; (b) determining a time duration required for a fragmentation reaction corresponding to each identified transition to proceed to a threshold percentage of... Thermo Finnigan Llc

Methods for mass spectrometry of mixtures of protein or polypeptides using proton transfer reaction

Applications of ion-ion reaction chemistry are disclosed in which proton transfer reactions (PTR) are used to (1) simplify complex mixture analysis of samples introduced into a mass spectrometer, and (2) improve resolution and sensitivity for the analysis of large proteins in excess of 50 kDa by removing charge and reducing... Thermo Finnigan Llc

Strong field photoionization ion source for a mass spectrometer

An ion source for a mass spectrometer comprises: an evacuated chamber having an interior receiving a gaseous sample effluent stream; a source of light pulses of pulse width 150 femtoseconds or less; a window of the evacuated chamber through which the light pulses pass into the evacuated chamber interior; one... Thermo Finnigan Llc

Systems and methods for ionization

A system for analyzing a sample includes a chromatographic device, an electrospray source, and a mass resolving device. The chromatographic device is configured to separate components of the sample as a function of retention time within a chromatographic column. The electrospray source is configured to direct a first portion of... Thermo Finnigan Llc

Minimal spanning trees for extracted ion chromatograms

A method for generating an extracted ion chromatogram (XIC) from mass spectrometry data is disclosed. Mass spectrometry data are received comprised of a plurality of data points, each data point representing a measured ion intensity at a mass to charge ratio at a chromatographic retention time and these data are... Thermo Finnigan Llc

High-resolution ion trap mass spectrometer

Techniques can increase the resolution and accuracy of mass spectra obtained using ion traps through the use of the actual shape of the ion trap peaks, which is a series of smaller ion ejection events. The peak shapes are identified as changing over a common period of the trapping signal... Thermo Finnigan Llc

Systems and methods for multipole operation

A method for identifying components of a sample includes providing a sample to an ion source and generating a plurality of ions from constituent components of the sample, applying a first RF waveform at a first RF amplitude to an ion trap with field resonances while directing the plurality of... Thermo Finnigan Llc

Methods for operating a system comprising a coupled mass spectrometer and ion mobility spectrometer

A method of operating a system comprising a chromatograph, an ion source, a mass spectrometer having a mass analyzer and an ion mobility spectrometer interposed between the ion source and the mass analyzer, comprising: performing a first chromatographic and mass analysis of a sample while operating the ion mobility spectrometer... Thermo Finnigan Llc

Systems and methods for ion separation

A system for analyzing a sample includes a source configured to generate ions from constituent components of the sample; a mobility separation device, a plurality of ion channels, and a mass analyzer configured to determine the mass-to-charge ratio of the ions. The mobility device is configured to separate ions received... Thermo Finnigan Llc

Systems and methods for targeted top down discovery

A system for analyzing a sample includes a chromatographic device, a mass resolving device, and a data processor. The chromatographic device is configured to separate components of the sample using a chromatographic column. The mass resolving device is configured to characterize mass spectrographic properties of the separated components in an... Thermo Finnigan Llc

Systems and methods for conserving carrier gas

A device for a gas chromatograph system includes an injector, a conduit assembly, a flow restrictor, and a pressure controller. The injector is connected to a carrier gas source and an auxiliary gas source. The conduit assembly surrounds the input end of an analytical column. A carrier gas is supplied... Thermo Finnigan Llc

Modular multiple-column chromatography cartridge

A method for liquid chromatography comprises steps of: mixing a sample comprising a plurality of chemical constituents with a first solvent; transferring the solvent and the plurality of constituents to a first chromatographic column housed in a cartridge; chromatographically separating a sub-group of the plurality of constituents from unwanted constituents... Thermo Finnigan Llc

Method and system for decoupling a capillary column from a gas chromatography-mass spectrometry (gc-ms) system

A column-sealing tool is provided for use during decoupling of a capillary column from a gas chromatography-mass spectrometry (GC-MS) system. The column-sealing tool includes an engagement structure for removably securing the column-sealing tool within a high vacuum enclosure of the GC-MS system, at a location between a high vacuum end... Thermo Finnigan Llc








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