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Eur J Mass Spectrom (Chichester). 2017 Dec;23(6):411-416. doi: 10.1177/1469066717726485. Epub 2017 Aug 16.

Basic poly(propylene glycols) as reference compounds for internal mass calibration in positive-ion matrix-assisted laser desorption/ionization mass spectrometry.

European journal of mass spectrometry (Chichester, England)

Jürgen H Gross

Affiliations

  1. Institute of Organic Chemistry, Heidelberg University, Heidelberg, Germany.

PMID: 29183190 DOI: 10.1177/1469066717726485

Abstract

Basic poly(propylene glycols), commercially available under the trade name Jeffamine, are evaluated for their potential use as internal mass calibrants in matrix-assisted laser desorption/ionization-time-of-flight-mass spectrometry. Due to their basic amino endgroups Jeffamines are expected to deliver [M+H]

Keywords: Jeffamine; Matrix-assisted laser desorption/ionization; accurate mass; internal mass calibration; mass spectrometry; poly(propylene glycol); small molecules; time of flight

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