Chemical noise reduction for mass spectrometry

Details Chemical noise reduction for mass spectrometry Chemical noise reduction for mass spectrometry

H - Electricity

01

J

H01J 49/00 (2006.01) G01N 27/64 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2631515

In various aspects, the present teachings provide systems and methods for reducing chemical noise in a mass spectrometry instrument that use a neutral chemical reagent and one or more mass filters to reduce interfering chemical background ion signals that are generated by ionization sources of mass spectrometers. In various embodiments, the neutral chemical reagent belongs to the class of organic chemical species containing a disulfide functionality.

Dans divers aspects, cette invention concerne des systèmes et des procédés destinés à réduire le bruit chimique dans un spectromètre de masse qui utilise un réactif chimique neutre et un ou plusieurs filtres de masse en vue de réduire les signaux ioniques de fond chimique interférants générés par des sources d'ionisation de spectromètres de masse. Dans divers modes de réalisation, le réactif chimique neutre appartient à la classe d'espèces chimiques organiques contenant une fonctionnalité disulfure.

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