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MALDI TOF mass spectrometer. In mass spectrometry, matrix-assisted laser desorption/ionization (MALDI) is an ionization technique that uses a laser energy-absorbing matrix to create ions from large molecules with minimal fragmentation. [1]
Laboratory information management software for mass spectrometry information management and data analysis. OpenChrom: Open source: Chromatography and mass spectrometry software that can be extended using plug-ins and can run on several operating systems (Microsoft Windows, Linux, Unix, Mac OS X) and processor architectures (x86, x86_64, ppc).
While the first generation of MALDESI system was coupled to Fourier transform (FT) ion cyclotron resonance mass spectrometer, [3] the current source is interfaced with a Thermo Exploris 240 or a Q Exactive Plus mass spectrometer equipped with an Orbitrap mass analyzer. These mass analyzers offer equally accurate mass measurements but generally ...
MALDI mass spectrometry imaging (MALDI-MSI) is the use of matrix-assisted laser desorption ionization as a mass spectrometry imaging [2] technique in which the sample, often a thin tissue section, is moved in two dimensions while the mass spectrum is recorded. [3]
Ion mobility spectrometry-mass spectrometry (IMS/MS or IMMS) is a technique where ions are first separated by drift time through some neutral gas under an applied electrical potential gradient before being introduced into a mass spectrometer. [43] Drift time is a measure of the collisional cross section relative to the charge of the ion.
MS 2 – Mass spectrometry/mass spectrometry, i.e. tandem mass spectrometry; MS/MS – Mass spectrometry/mass spectrometry, i.e. tandem mass spectrometry; MALDESI – Matrix-assisted laser desorption electrospray ionization; MALDI – Matrix-assisted laser desorption/ionization; MAII – Matrix-assisted inlet ionization; MAIV – Matrix ...
A reflectron (mass reflectron) is a type of time-of-flight mass spectrometer (TOF MS) that comprises a pulsed ion source, field-free region, ion mirror, and ion detector and uses a static or time dependent electric field in the ion mirror to reverse the direction of travel of the ions entering it.
In mass spectrometry, a matrix is a compound that promotes the formation of ions. Matrix compounds are used in matrix-assisted laser desorption/ionization (MALDI), matrix-assisted ionization (MAI), and fast atom bombardment (FAB).
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