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30 Years of research on ESI/MS response: Trends, contradictions and applications

Analytica chimica acta, 2021-04, Vol.1152 [Peer Reviewed Journal]

ISSN: 1873-4324 ;ISSN: 0003-2670 ;EISSN: 1873-4324 ;DOI: 10.1016/j.aca.2020.11.049

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  • Title:
    30 Years of research on ESI/MS response: Trends, contradictions and applications
  • Author: Liigand, Piia ; Liigand, Jaanus ; Kaupmees, Karl ; Kruve, Anneli
  • Is Part Of: Analytica chimica acta, 2021-04, Vol.1152
  • Description: The variation of ionization efficiency for different compounds has puzzled researchers since the invention of the electrospray mass spectrometry (ESI/MS). Ionization depends on the properties of the compound, eluent, matrix, and instrument. Despite significant research, some aspects have remained unclear. For example, research groups have reached contradicting conclusions regarding the ionization processes. One of the best-known is the significance of the log P value for predicting the ionization efficiency. In this tutorial review, we analyse the methodology used for ionization efficiency measurements as well as the most important trends observed in the data. Additionally, we give suggestions regarding the measurement methodology and modelling strategies to yield meaningful and consistent ionization efficiency data. Finally, we have collected a wide range of ionization efficiency values from the literature and evaluated the consistency of these data. We also make this collection available for everyone for downloading as well as for uploading additional and new ionization efficiency data. We hope this GitHub based ionization efficiency repository will allow a joined community effort to collect and unify the current knowledge about the ionization processes.
  • Language: English
  • Identifier: ISSN: 1873-4324
    ISSN: 0003-2670
    EISSN: 1873-4324
    DOI: 10.1016/j.aca.2020.11.049
  • Source: SWEPUB Freely available online

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