Mediating relaxation and polarization of hydrogen-bonds in water by NaCl salting and heating
Infrared spectroscopy and contact-angle measurements revealed that NaCl salting has the same effect as heating on O:H phonon softening and H–O phonon stiffening, but has the opposite effect on skin polarization of liquid water. The mechanics of thermal modulation of O–O Coulomb repulsion [Sun, et al...
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| Main Authors: | , , , , , , |
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| 格式: | Article |
| 語言: | English |
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2014
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/103411 http://hdl.handle.net/10220/24508 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | Infrared spectroscopy and contact-angle measurements revealed that NaCl salting has the same effect as heating on O:H phonon softening and H–O phonon stiffening, but has the opposite effect on skin polarization of liquid water. The mechanics of thermal modulation of O–O Coulomb repulsion [Sun, et al., J. Phys. Chem. Lett., 2013, 4, 3238] may suggest a possible mechanism for this NaCl involved Hofmeister effect, aqueous solution modulated surface tension and its abilities in protein dissolution, from the perspective of Coulomb mediation of interaction within the O:H–O bond. |
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