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9048072 Method of mass spectrometry and a mass spectrometer  
The present invention relates to a method of mass spectrometry, an apparatus adapted to perform the method and a mass spectrometer. More particularly, but not exclusively, the present invention...
9040902 Atmospheric pressure ionization mass spectrometer  
In an atmospheric pressure ionization source using an ESI or the like having a desolvation pipe with one end opening serving as an ion-drawing port, a drying-gas supplying port for supplying a...
9035246 Ion guide with orthogonal sampling  
A mass spectrometer is disclosed comprising a RF ion guide wherein in a mode of operation a continuous, quasi-continuous or pulsed beam of ions is orthogonally sampled from the ion guide and...
9035239 Mass spectrometry analysis of microorganisms in samples  
The invention generally relates to systems and methods for mass spectrometry analysis of microorganisms in samples.
9035243 Method and a device for early detection of fires  
A method and device for early detection of fires is based on the detection of volatile thermolysis products which are characteristic of the material to be monitored, ambient air being aspirated...
9029763 Ion deflection in time-of-flight mass spectrometry  
A time-of-flight mass spectrometry (TOF MS) system includes an ion deflector, ion extractor, a flight tube, and a detector. The deflector may be disposed in the flight tube or outside the flight...
9006650 Direct measurements of nanoparticles and virus by virus mass spectrometry  
Apparatus and methods for performing mass spectrometry of a nanoparticle or virus analyte. Apparatus may include a laser desorption plate, a mass analyzer configured to measure mass over the range...
8987661 Mass spectrometer  
A mass spectrometer is disclosed comprising a quadrupole rod set ion trap wherein a potential field is created at the exit of the ion trap which decreases with increasing radius in one radial...
8987662 System and method for performing tandem mass spectrometry analysis  
A system for performing tandem mass spectrometry (MS/MS) analysis of a sample includes a mass spectrometer and a processor. The mass spectrometer is configured to perform a mass spectrometry (MS)...
8981287 Ion analysis apparatus and method  
The present invention is concerned with an ion analysis apparatus comprising an ion guide having an ion optical axis extending from an ion inlet to an ion outlet, the ion guide being configured to...
8975580 Orthogonal acceleration system for time-of-flight mass spectrometer  
An orthogonal pulse accelerator for a Time-of-Flight mass analyzer includes an electrically-conductive first plate extending in a first plane, and a second plate spaced from the first plate. The...
8975577 System and method for grouping precursor and fragment ions using selected ion chromatograms  
LC/MS data generated by an LC/MS system is analyzed to determine groupings of ions associated with originating molecules. Ions are grouped initially according to retention time, for example, using...
8969791 Quantitative analysis method using mass spectrometer  
In an MS unit, both an intensity of an ion having the highest intensity among the ions originating from a compound as the target of quantitative determination and an intensity of an isotopic ion...
8969798 Abridged ion trap-time of flight mass spectrometer  
An improved trap-TOF mass spectrometer has a set of electrodes arranged to produce both a quadrupolar RF confining field and a substantially homogeneous dipole field. In operation, ions are first...
8969794 Mass dependent automatic gain control for mass spectrometer  
Systems and methods for automatic gain control in mass spectrometers are disclosed. An exemplary system may include a mass spectrometer, comprising a lens configured to receive a supply of ions,...
8969799 Mass spectrometer  
A mass spectrometer is disclosed comprising a time of flight mass analyzer. The time of flight mass analyzer comprises an ion guide comprising a plurality of electrodes which are interconnected by...
8969796 Timing device and method  
The present invention provides a timing device, especially a timing device for use in mass spectrometers, for example TOF mass spectrometers, for processing trigger signal data containing a...
RE45386 Means for removing unwanted ions from an ion transport system and mass spectrometer  
The present invention relates to inductively coupled plasma mass spectrometry (ICPMS) in which a collision cell is employed to selectively remove unwanted artefact ions from an ion beam by causing...
8963076 Sample transferring apparatus for mass cytometry  
In a mass cytometer or mass spectrometer, a sample of elemental tagged particles is transferred from a dispersion to a gas flow through a carrier aerosol spray for atomization and ionization by...
8963079 Systems and methods for transfer of ions for analysis  
The invention generally relates to systems and methods for transferring ions for analysis. In certain embodiments, the invention provides a system for analyzing a sample including an ionizing...
8963081 Mass selector, and ion gun, ion irradiation apparatus and mass microscope  
When a time-of-flight mass selector having a chopper using a deflector selects the masses of the ions, an ion beam is deflected. As a result, at least a part of the ion beams diagonally pass...
8957369 Targeted analysis for tandem mass spectrometry  
A tandem mass spectrometer and method are described. Precursor ions are generated in an ion source (10) and an ion injector (21, 23) injects ions towards a downstream ion guide (50, 60) via a...
8952325 Co-axial time-of-flight mass spectrometer  
A co-axial time-of-flight mass spectrometer having a longitudinal axis and first and second ion mirrors at opposite ends of the longitudinal axis. Ions enter the spectrometer along an input...
8941056 Mass spectrometer  
A mass spectrometer is disclosed wherein an ion signal is split into a first and second signal. The first and second signals are multiplied by different gains and are digitized. Arrival time and...
8933397 Ion trap mass analyzer apparatus, methods, and systems utilizing one or more multiple potential ion guide (MPIG) electrodes  
In one aspect of the invention, an ion trap mass analyzer includes a variable- or multi-potential type ion guide (MPIG) assembly which has been pre-configured to produce a parabolic-type potential...
8927926 Mass spectrometry method, ion production device, and mass spectrometry system  
A mass spectrometry method of the present invention is such that a sample is heated to generate a gas and an ion that is produced from the gas is introduced into a mass spectrometer by using DART...
8927928 Method for operating a time-of-flight mass spectrometer with orthogonal ion pulsing  
Methods are provided for acquiring sum spectra in a time-of-flight mass spectrometer with orthogonal pulsed acceleration, where each of the sum spectra is obtained from a plurality of summed...
8921771 Corona discharge device and ion mobility spectrometer having corona discharge device  
The present invention provides a corona discharge device, comprising a first electrode including: a first substantially cylindrical inner chamber portion and a second substantially conical inner...
8921772 Ion mobility spectrometer  
A method and apparatus are disclosed for improving ion mobility spectrometry by using a fast and spatially wide ion gate based on local RF field barrier opposed to a switching DC field. The...
8921778 Detection apparatus  
An ion mobility spectrometer has a pair of electrodes and midway along the drill chamber. A high field is applied between the electrodes and sufficient to modify ions in the region of the...
8921775 Electrostatic gimbal for correction of errors in time of flight mass spectrometers  
A Time of Flight mass analyser is disclosed comprising one or more devices arranged and adapted to correct for tilt in an isochronous plane of ions and to adjust the isochronous plane of the ions...
8916820 Mass spectrometer with beam expander  
A mass spectrometer is disclosed comprising a RF confinement device, a beam expander and a Time of Flight mass analyzer. The beam expander is arranged to expand an ion beam emerging from the RF...
8916822 Dual-detection residual gas analyzer  
A detector in a residual gas analyzer (RGA) is configured to receive ions traveling in a downstream direction along a beamline and includes a steering electrode offset from the beamline. A first...
8912486 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Elemental flow cytometer
 
An elemental flow cytometer includes a device to vaporize, atomize, and ionize material and an introduction system for introducing packets of discrete entities into said device to vaporize,...
8907275 Method and apparatus to improve the separation capacity in a sequence of ion filters incorporating at least two ion mobility analyzers  
A method and an apparatus are described to improve the separation capacity of an ion analyzer incorporating at least two stages of ion mobility analysis. The new invention utilizes possible use of...
8901491 Ejection of ion clouds from 3D RF ion traps  
The invention proposes a method for the collective ejection of ions from a 3D RF ion trap with a ring electrode and two end cap electrodes, which comprises the following steps: (a) the RF voltage...
8901489 Looped ionization source  
Looped ionization sources for ion mobility spectrometers are described. The ionization sources can be used to ionize molecules from a sample of interest in order to identify the molecules based on...
8901486 Performance improvements for RF-only quadrupole mass filters and linear quadrupole ion traps with axial ejection  
A RF only quadrupole rod set mass filter or mass analyzer and a linear quadrupole ion trap with axial ejection are disclosed comprising a first pair of rod electrodes, a second pair of rod...
8895920 Mass spectrometer with beam expander  
A mass spectrometer is disclosed comprising a RF confinement device, a beam expander and a Time of Flight mass analyzer. The beam expander is arranged to expand an ion beam emerging from the RF...
8895917 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Method of mass spectrometry and a mass spectrometer
 
The present invention relates to a method of mass spectrometry, an apparatus adapted to perform the method and a mass spectrometer. More particularly, but not exclusively, the present invention...
8884219 Differential mobility spectrometer with asymmetrically oscillating driving electrical field  
A method of operating a differential mobility spectrometer includes an ionization chamber, a filter channel and a detection region. In the ionization chamber, analyte ions are produced from a...
8884220 Multiple channel detection for time of flight mass spectrometer  
An ion detector for a Time of Flight mass spectrometer is disclosed comprising a single Microchannel Plate 1 which is arranged to receive ions 2 and output electrons 3. The electrons 3 are...
8872103 Laser spot control in maldi mass spectrometers  
Mass spectrometers ionize samples by matrix-assisted laser desorption (MALDI). The samples are located on a moveable support plate, and irradiated by a pulsed laser. A fast positional control of...
8872104 Segmented planar calibration for correction of errors in time of flight mass spectrometers  
An ion detector system for a mass spectrometer is disclosed comprising an ion detector comprising an array of detector elements. The ion detector system is arranged to correct for tilt and...
8866074 Tandem mass spectrometer and mass spectrometric method  
An ion trap is provided between a collision cell and a time-of-flight mass separator. During a time period in which precursor ions derived from the same compound are selected with a quadrupole...
8859955 Function switching with fast asynchronous acquisition  
A method of analyzing a sample is disclosed comprising transmitting a first population of ions through a mass spectrometer and switching a state or mode of the mass spectrometer to produce a...
8853623 Electrostatic mass spectrometer with encoded frequent pulses  
A method, apparatus and algorithms are disclosed for operating an open electrostatic trap (E-trap) or a multi-pass TOF mass spectrometer with an extended flight path. A string of start pulses with...
8853625 Method for the detection of incorrect deposition on a MALDI sample support  
The invention relates to a method for the detection of incorrect deposition on a MALDI sample support with several separate sample sites, where after the preparation on the sample support, an area...
8853624 Single and multiple operating mode ion sources with atmospheric pressure chemical ionization  
An Atmospheric Pressure Chemical Ionization (APCI) source interfaced to a mass spectrometer is configured with a corona discharge needle positioned inside an APCI inlet probe assembly. Liquid...
8853621 Systems and methods extending the laserspray ionization mass spectrometry concept from atmospheric pressure to vacuum  
Disclosed herein are systems and methods that allow analysis of macromolecular structures using laserspray ionization at intermediate pressure or high vacuum using commercially available mass...