Additionally, the laminar structure coating of the phosphate treatment contributed to increase the surface roughness, which can benefit the interfacial bonding of the magnesium matrix. The corrosion current density of Mg-PA (4.413 × 10−7 A·cm−2) was three orders of magnitude lower than ...
The higher [M + H]+ signals were linked to increased proton affinity (PA) and reduced hydrogen bonding to the FAB matrix [50,51]. The FAB spectra of acetylated peptides provided low-mass amino acid fragments, allowing the estimation of peptides’ amino acid composition [52]. Acetylation ...
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Under these conditions, the hydrophilic carboxylic groups are involved in hydrogen bonding with water and builds ion pairs with dissolved multivalent cations, whereas the non-polar aliphatic chain interacts with the organic phase. Formation of these ion pairs is fast, quantitative and yields non-...
hydrophobic bonding. Consequently, the development of any solvent based extraction process must comprise a choice of solvent (or co-solvent mixture) that yields a set of chemical interactions between the analyte and solvent molecules that is more favorable than the chemical interactions between (i) ...