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Matches 1 - 50 out of 16,657

Document Document Title
WO/2019/092750A1
: A laser assisted paper spray ionization mass spectrometry (LAPSI MS) method for detecting saturated and unsaturated hydrocarbons, by including a simple 532 nm, ≤10 mW green pointer laser to effect ionization. The said method enhances...  
WO/2019/092640A1
A device for providing analyte to an analyzer is described. In some examples, the device comprises a substrate comprising a plurality of wells formed therein at predetermined locations. Each of the wells can be capable of containing an a...  
WO/2019/088403A1
Embodiments of the present invention provide a filter for an ion trap device and a designing method therefor, wherein, a conventional RC filter is used, in which an electric field decreases in inverse proportion to the magnitude of capac...  
WO/2019/090170A1
An ion mobility mass spectrometry (IMMS) method is disclosed for evaluating petroleum feedstock compositions. The method is useful to determine, e.g., nitrogen speciation in chemical components of a petroleum composition and may be used ...  
WO/2019/087347A1
In this invention, an acceleration voltage generation unit (7) causes a MOSFET (741) in a switch circuit (74) to drive on and off a direct current high-voltage generated by a high-voltage power source unit, thereby generating a high-volt...  
WO/2019/082351A1
Disclosed is a tandem-type mass analysis device which switches a DC offset voltage to be applied to a lens electrode (17) to 0 V so as to give collision energy to an ion (S1), when a cation measurement mode and an anion measurement mode ...  
WO/2019/084547A1
The present invention is directed to a mass spectrometry approach to identifying carcinomas or tissue abnormalities, and distinguishing carcinomas or tissue abnormalities.  
WO/2019/081952A1
An electron source in a gas-source mass spectrometer the electron source comprising: an electron emitter cathode presenting a thermionic electron emitter surface in communication with a gas-source chamber of the gas-source mass spectrome...  
WO/2019/082374A1
An electro-spray ionization (ESI) sprayer tube 10 is characterized by comprising: a first tube 11 having an opening side; a second tube 12 that has an inner diameter which is larger than the outer diameter of the first tube 11, and that ...  
WO/2019/082294A1
Provided is a mass spectrometry in which ions generated by an ion source 2 are transported to a mass separation unit 4 via an ion optical system 3 having a plurality of ion lenses 31, 32, 33, and are detected through mass separation, whe...  
WO/2019/077137A1
An ion molecule reactor for generating analyte ions from analytes comprises: a) a reaction volume in which reagent ions can interact with the analytes in order to form analyte ions; b) at least one analyte inlet for introducing the analy...  
WO/2019/077138A1
An ion molecule reactor for generating analyte ions from analytes comprises: a) a reaction volume in which reagent ions can interact with the analytes in order to form analyte ions; b) at least one analyte inlet for introducing the analy...  
WO/2019/078377A1
Provided in embodiments of the present invention are an ion trap electrode forming method, and a device using the same, the method being capable of: using an entire electrode region as an object to be optimized since the number of outerm...  
WO/2019/076490A1
An ion molecule reactor for generating analyte ions from analytes comprises: • a) a reaction volume in which reagent ions can interact with the analytes in order to form analyte ions; • b) at least one analyte inlet for introducing t...  
WO/2019/079492A1
Source identification for unknown molecules using mass spectral matching. In an embodiment, a representation of a query mass spectrum is received in a spectrum query. A repository is searched for the query mass spectrum by, for each of a...  
WO/2019/079814A1
Aspects of the present disclosure describe systems, methods, and structures for compound-specific coding mass spectrometry wherein compound-specific masks/codes are positioned between an ion source and detector of a mass spectrometer.  
WO/2019/072148A1
Provided is a mass spectrometer (100) for gas pressure control and ion dissociation, comprising: a vacuum chamber (81) having an inlet, wherein a trapping region (21) and a collision region (22) are arranged in the vacuum chamber (81); a...  
WO/2019/074212A1
The present invention provides a method enabling a quantitative analysis of a polymer by MALDI mass spectrometry, and a method for manufacturing a sample for MALDI mass spectrometry for a quantitative analysis of a polymer. To that end, ...  
WO/2019/070324A1
A switch for coupling a first ion manipulation device to a second ion manipulation device comprises a first surface and a second surface, at least one first electrode coupled to each of the first and second surface and configured to rece...  
WO/2019/069089A1
An Ion mobility filter (20) is disclosed. The present invention relates to but not exclusively a field asymmetric ion spectrometry filter. For example, we describe an ion filter for filtering ions in a gas sample. The ion filter is compr...  
WO/2019/064285A1
An ion source comprising a chamber and an electron collector is described. In one configuration, the chamber comprises a sample inlet and an ion outlet. The chamber may also include an electron inlet configured to receive electrons from ...  
WO/2019/064173A1
An interference in a first MRM transition measurement for a compound of interest is determined by using a second MRM transition that includes an isotope of the precursor ion in the first MRM transition. Both transitions include the same ...  
WO/2019/058226A1
One or more ions are received along a central axis through a first set of reflectron plates of an ELIT. Voltages are applied to the first set of plates and to a second set of reflectron plates in order to trap and oscillate the one or mo...  
WO/2019/058790A1
A laser desorption/ionization method comprising: a first step in which a sample support body (1) is prepared that comprises a substrate (2) having a plurality of through-holes formed therein that open to a first surface (2a) and a second...  
WO/2019/058768A1
A laser desorption/ionization method comprising: a first step in which a sample support body (1) is prepared that comprises a substrate (2) having a plurality of through-holes formed therein and a conductive layer provided on a first sur...  
WO/2019/057961A1
The invention relates to a method for determining the dipole moment of a macromolecule with a mass of more than l ku, having the steps of exciting a self-rotation of the macromolecule by means of an interaction between the dipole moment ...  
WO/2019/058783A1
A sample support body 1 comprising a substrate 2 and an ionization substrate 3. The ionization substrate 3 has a measurement region R for dropping a sample, on a second surface 3b. A plurality of through-holes 3c that open on to a first ...  
WO/2019/058786A1
A sample support body (1) comprising a substrate (2), and an ionization substrate (3), and a support section (5). The ionization substrate (3) has a plurality of measurement regions (R) for dropping a sample, on a second surface (3b). A ...  
WO/2019/058784A1
This laser desorption/ionization method comprises a first step for preparing a sample support body (1). The sample support body (1) includes: a substrate (2); an ionization substrate (3); and a support part (5) that supports the ionizati...  
WO/2019/058791A1
This laser desorption/ionization method comprises: a first step for preparing a sample support body (1) including a substrate (2) and an electroconductive layer, the substrate having a plurality of through holes opened in a first surface...  
WO/2019/058767A1
A mass spectrometer comprising: a support section that supports at least a sample and a sample support body, in a space inside a chamber, in a state in which a second surface of the sample support body comes in contact with the sample, s...  
WO/2019/058857A1
A sample support body (1A) comprising a substrate (2), an ionization substrate (3), a support section (5), and a frame (7). The ionization substrate (3) has a plurality of measurement regions (R) for dropping a sample, on a second surfac...  
WO/2019/057379A1
The invention relates to a device for detection and chemical analysis of particles, in particular nanoparticles, in suspension in an aerosol, comprising: - a first aerosol inlet, in particular ambient-air inlet, - at least one device for...  
WO/2019/056778A1
An automatic calibration device that is used with an ion mobility spectrometer and an ion mobility spectrometer. The ion mobility spectrometer comprises an automatic calibration device (10), the automatic calibration device (10) comprisi...  
WO/2019/053849A1
Provided is a pipe fitting (14) used to connect a first pipe (11) and a second pipe (12), the fitting being characterized in that: a through-hole (14a, 14b) having an inner diameter that corresponds to the outer diameter of the first pip...  
WO/2019/054325A1
Provided is a mass spectrometry device whereby target ions and interfering ions having substantially the same mass-to-charge ratio m/z can easily be separated. The mass spectrometry device according to the present invention has: a QMS 1 ...  
WO/2019/053847A1
In a jig for connecting an ionization probe used to connect an outlet-side flow path of a column 113 and an inlet-side flow path of an ionization probe 211 in a liquid chromatograph, provided are: a first element fixture 10 fixed to a fi...  
WO/2019/053851A1
Provided is an ESI sprayer 211 to be used by being mounted to a first hole 51 formed in a housing 50 of an ionization device and a second hole 52 formed at a distal end of the first hole 51, having an inner diameter smaller than that of ...  
WO/2019/053850A1
This liquid chromatograph comprises: a column 13; a liquid delivery part 11 that delivers a mobile phase to the column 13 at a pressure higher than atmospheric pressure; a first pipe 201a that has one end thereof connected to an outlet o...  
WO/2019/048886A1
An ion filter (120) for filtering ions in a gas sample. The ion filter (120) has a first ion channel (132) for filtering ions from a target chemical in the gas sample. The ion filter (120) has a second ion channel (134) for filtering ion...  
WO/2019/049271A1
In the present invention, a duct holding part (221) for holding a PEEK relay tube (25) connected to a capillary (23) is fastened to a rotation locking part (222). The rotation locking part (222) can move freely in relation to a probe bod...  
WO/2019/049272A1
In the present invention, a screw receiving part (41) that an adjustment screw (42) is screwed into and a shaft support (46) are provided on the outside of an ionization chamber (21) wall surface (21a) at positions having an ionization p...  
WO/2019/043650A1
Dynamic skimmer pulsing and dynamic equilibration times are used for MS and MS/MS scans. A target percentage transmission of the ion beam is calculated based on a previous percentage transmission and a previous TIC or a previous highest ...  
WO/2019/043647A1
Certain configurations described herein are directed to mass spectrometer systems that can use a gas mixture to select and/or detect ions. In some instances, the gas mixture can be used in both a collision mode and in a reaction mode to ...  
WO/2019/043943A1
According to the present invention, while SW elements (4a-4n) are turned on, other SW elements (3a-3n, 17a, 18a) are turned off, a negative DC voltage is applied from a negative-voltage generation unit (2) to a flight tube (5), and a mea...  
WO/2019/038245A1
The invention relates to a method for providing a substance amount of a thin layer plate (2) sample to be analyzed in a thin layer chromatography process. The substance amount is removed from the surface (10) of the thin layer plate (2) ...  
WO/2019/035521A1
The present invention provides a method for analyzing the structure of an insoluble pigment compound through: pretreatment through degradation using ultrasonication on an insoluble pigment compound solution; or pretreatment, through frag...  
WO/2019/034978A1
Systems and methods for atmospheric pressure chemical ionization are provided herein. In various aspects, the APCI apparatus, systems, and methods can provide an asymmetric sample spray into a vaporization chamber asymmetrically (e.g., o...  
WO/2019/036497A1
An ion manipulation device comprises a plurality of electrode rings arranged longitudinally adjacent to each other and defining a central axis therethrough. At least one electrode ring comprises a plurality of electrodes arranged in a fi...  
WO/2019/030886A1
One sub-port (f) of a valve (415) for selecting one standard sample fed to an ESI probe (207) is connected to one end of an individual sample liquid feed path (413), another end of which is connected to a gas buffering container (421), w...  

Matches 1 - 50 out of 16,657