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Quantitative electrospray ionization efficiency scale: 10 years after
Rapid Communications in Mass Spectrometry  (IF2.419),  Pub Date : 2021-08-06, DOI: 10.1002/rcm.9178
Merit Oss, Sofja Tshepelevitsh, Anneli Kruve, Piia Liigand, Jaanus Liigand, Riin Rebane, Sigrid Selberg, Kristel Ets, Koit Herodes, Ivo Leito

The first comprehensive quantitative scale of the efficiency of electrospray ionization (ESI) in the positive mode by monoprotonation, containing 62 compounds, was published in 2010. Several trends were found between the compound structure and ionization efficiency (IE) but, possibly because of the limited diversity of the compounds, some questions remained. This work undertakes to align the new data with the originally published IE scale and carry out statistical analysis of the resulting more extensive and diverse data set to derive more grounded relationships and offer a possibility of predicting logIE values.