Journal
CHEMICAL PHYSICS LETTERS
Volume 663, Issue -, Pages 1-12Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.08.001
Keywords
Stability of charged droplets; Rayleigh limit; Dielectrics; Taylor cone; Electrospray ionization; Ejection of macroions; Charge residue model; Ion evaporation mechanism; Modeling of ejection mechanisms
Funding
- Marie Curie International Incoming Fellowship
- European Commission
- NSERC-Discovery grant
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Molecular modeling has revealed that the presence of charged macromolecules (macroions) in liquid droplets dramatically changes the pathways of droplet fission. These mechanisms are not captured by the traditional theories such as ion-evaporation and charge-residue models. We review the general mechanisms by which macroions emerge from droplets and the factors that determine the droplet fission. These mechanisms include counter-intuitive star droplet formations and extrusion of linear macroions from droplets. These findings may play a direct role in determining macromolecule charge states in electrospray mass spectrometry experiments. (C) 2016 Elsevier B.V. All rights reserved.
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