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| http://dx.doi.org/10.3238/arztebl.m2021.0174 | DOI Listing |
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Department of Functional Biology, Faculty of Medicine, University of Oviedo, Oviedo, Spain.
Hybridization is relatively common between closely related species that share part of their distribution. Understanding its dynamics is important both for conservation purposes and to determine its role as an evolutionary mechanism. Here we have studied the case of black hakes (Merluccius polli and Merluccius senegalensis) in its contact zone.
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Department of Physics and Biophysics, University of Warmia and Mazury in Olsztyn, Oczapowskiego 4, Olsztyn 10-719, Poland.
H and F spin-lattice relaxation experiments have been performed for a series of ionic liquids: [HMIM][TFSI], [OMIM][TFSI], and [DMIM][TFSI] including the same anion and cations with progressively longer alkyl chains. The experiments were performed in a wide frequency range from 10 kHz to 10 MHz (referring to the H resonance frequency) versus temperature. This extensive data set has been analyzed in terms of a theoretical model including all relevant homonuclear (H-H and F-F) and heteronuclear (H-F) relaxation pathways and linking the relaxation features to the relative translational diffusion between the ion pairs (cation-cation, cation-anion, and anion-anion).
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