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Chemometric study of kosmotropic and chaotropic ion properties related to Hofmeister effects
Author(s) -
Jakubowska Anna,
Kozik Tomasz
Publication year - 2019
Publication title -
journal of chemometrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.47
H-Index - 92
eISSN - 1099-128X
pISSN - 0886-9383
DOI - 10.1002/cem.3187
Subject(s) - chaotropic agent , chemistry , ion , hofmeister series , chemometrics , aqueous solution , principal component analysis , mass spectrometry , pulmonary surfactant , chromatography , analytical chemistry (journal) , chemical physics , organic chemistry , artificial intelligence , computer science , biochemistry
The ion specificity is ubiquitous in biological and colloidal phenomena. In this study, the Hofmeister effects have been observed in binding of univalent cations with the surfactant dimers. Chemometric analysis has also revealed that the ion specificity observed is mainly related to the effect of ions on the water structure, ie, to their kosmotropic and chaotropic properties. These ion properties, generally characteristic of aqueous solutions, are in accordance with the results of the principal component analysis (PCA) and cluster analysis (CA) used for the processing of mass spectrometric data obtained in vacuum, ie, in the medium drastically different then water. Such an application of the chemometric methods has not been presented so far.