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Big molecule ejection—SIMS vs. MALDI

Abstract : Using the results of molecular dynamics (MD) simulations, we discuss the question of whether the observed difference in mass limits in secondary ion mass spectrometry (SIMS) and matrix assisted laser desorption ionization (MALDI) are inherently related to the underlying physics of ejection or rather insufficient experimentation. The simulations show clearly that the physics of large molecule emission in SIMS and MALDI is very different. Consequently, we conclude that larger molecules can be ejected in MALDI than in SIMS.
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Contributor : Tatiana Itina Connect in order to contact the contributor
Submitted on : Wednesday, April 22, 2009 - 3:05:28 PM
Last modification on : Tuesday, October 19, 2021 - 11:00:06 PM

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Barbara J. Garrison, Tatiana Itina, Leonid V. Zhigilei, Arnaud Delcorte, K. Krantzman, et al.. Big molecule ejection—SIMS vs. MALDI. Applied Surface Science, 2003, 203-204 (15), pp.69-71. ⟨10.1016/S0169-4332(02)00661-X⟩. ⟨ujm-00377617⟩



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