Effect of water polyamorphism on the molecular vibrations of glycerol in its glassy aqueous solutions
A glassy dilute glycerol-water solution undergoes a mutual polyamorphic transition relating to the transition between high- and low-density amorphous ices of solvent water. The polyamorphic transition behavior depends on the glycerol concentration, indicating that the glycerol affects the water poly...
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Veröffentlicht in: | The Journal of chemical physics 2016-07, Vol.145 (2), p.024501-024501 |
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description | A glassy dilute glycerol-water solution undergoes a mutual polyamorphic transition relating to the transition between high- and low-density amorphous ices of solvent water. The polyamorphic transition behavior depends on the glycerol concentration, indicating that the glycerol affects the water polyamorphism. Here, we used the glassy dilute glycerol-water solution of the solute molar fraction of 0.07 and examined the effect of the polyamorphic change in solvent water on the molecular vibrations of glycerol via Raman spectroscopy. It is found that the molecular vibration of glycerol in high-density liquid like solvent water is different from that in the low-density liquid like solvent water and that the change in the molecular vibration of glycerol is synchronized with the polyamorphic transition of solvent water. The dynamical change of the solute molecule relates to the polyamorphic state of solvent water. This result suggests that the polyamorphic fluctuation of water structure emanated from the presumed liquid-liquid critical point plays an important role for the function of aqueous solution under an ambient condition such as the conformational stability of solute, the functional expression of solute, and so on. |
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The polyamorphic transition behavior depends on the glycerol concentration, indicating that the glycerol affects the water polyamorphism. Here, we used the glassy dilute glycerol-water solution of the solute molar fraction of 0.07 and examined the effect of the polyamorphic change in solvent water on the molecular vibrations of glycerol via Raman spectroscopy. It is found that the molecular vibration of glycerol in high-density liquid like solvent water is different from that in the low-density liquid like solvent water and that the change in the molecular vibration of glycerol is synchronized with the polyamorphic transition of solvent water. The dynamical change of the solute molecule relates to the polyamorphic state of solvent water. This result suggests that the polyamorphic fluctuation of water structure emanated from the presumed liquid-liquid critical point plays an important role for the function of aqueous solution under an ambient condition such as the conformational stability of solute, the functional expression of solute, and so on.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4955318</identifier><identifier>PMID: 27421414</identifier><identifier>CODEN: JCPSA6</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>Aqueous solutions ; Critical point ; Density ; Dilution ; Glycerol ; Glycerol-Water ; Physics ; Raman spectroscopy ; Solvents ; Variation</subject><ispartof>The Journal of chemical physics, 2016-07, Vol.145 (2), p.024501-024501</ispartof><rights>Author(s)</rights><rights>2016 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c449t-8ef5b060c21e938c766c5c68fd00e93a3d1136dd0603a729c44cff616d6349be3</citedby><cites>FETCH-LOGICAL-c449t-8ef5b060c21e938c766c5c68fd00e93a3d1136dd0603a729c44cff616d6349be3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jcp/article-lookup/doi/10.1063/1.4955318$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,4498,27901,27902,76127</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27421414$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suzuki, Yoshiharu</creatorcontrib><creatorcontrib>Mishima, Osamu</creatorcontrib><title>Effect of water polyamorphism on the molecular vibrations of glycerol in its glassy aqueous solutions</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>A glassy dilute glycerol-water solution undergoes a mutual polyamorphic transition relating to the transition between high- and low-density amorphous ices of solvent water. The polyamorphic transition behavior depends on the glycerol concentration, indicating that the glycerol affects the water polyamorphism. Here, we used the glassy dilute glycerol-water solution of the solute molar fraction of 0.07 and examined the effect of the polyamorphic change in solvent water on the molecular vibrations of glycerol via Raman spectroscopy. It is found that the molecular vibration of glycerol in high-density liquid like solvent water is different from that in the low-density liquid like solvent water and that the change in the molecular vibration of glycerol is synchronized with the polyamorphic transition of solvent water. The dynamical change of the solute molecule relates to the polyamorphic state of solvent water. This result suggests that the polyamorphic fluctuation of water structure emanated from the presumed liquid-liquid critical point plays an important role for the function of aqueous solution under an ambient condition such as the conformational stability of solute, the functional expression of solute, and so on.</description><subject>Aqueous solutions</subject><subject>Critical point</subject><subject>Density</subject><subject>Dilution</subject><subject>Glycerol</subject><subject>Glycerol-Water</subject><subject>Physics</subject><subject>Raman spectroscopy</subject><subject>Solvents</subject><subject>Variation</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90F1LBCEUBmCJoraPi_5ACN1UMOVR13EuI_qCoJu6FtfRmnDGSWeK_fe57VZQ0JUozzm-vAjtAzkFItgZnPJqOmUg19AEiKyKUlRkHU0IoVBUgogttJ3SCyEESso30RYtOQUOfILspXPWDDg4_K4HG3Ef_Fy3IfbPTWpx6PDwbHEbvDWj1xG_NbOohyZ0aTHy5OfGxuBx0-FmSPmuU5pj_TraMCacgh8_7S7acNonu7c6d9Dj1eXDxU1xd399e3F-VxjOq6GQ1k1nRBBDwVZMmlIIMzVCupqQ_KBZDcBEXWfCdEmrPGWcEyBqwXg1s2wHHS339jHkDGlQbZOM9V53i0AKJOFSlEzITA9_0Zcwxi6nUxQoCFkyyrI6XioTQ0rROtXHptVxroCoRfcK1Kr7bA9WG8dZa-tv-VV2BidLkEwzfJb4bd5C_Nmk-tr9h_9-_QExT5rE</recordid><startdate>20160714</startdate><enddate>20160714</enddate><creator>Suzuki, Yoshiharu</creator><creator>Mishima, Osamu</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20160714</creationdate><title>Effect of water polyamorphism on the molecular vibrations of glycerol in its glassy aqueous solutions</title><author>Suzuki, Yoshiharu ; Mishima, Osamu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c449t-8ef5b060c21e938c766c5c68fd00e93a3d1136dd0603a729c44cff616d6349be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Aqueous solutions</topic><topic>Critical point</topic><topic>Density</topic><topic>Dilution</topic><topic>Glycerol</topic><topic>Glycerol-Water</topic><topic>Physics</topic><topic>Raman spectroscopy</topic><topic>Solvents</topic><topic>Variation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suzuki, Yoshiharu</creatorcontrib><creatorcontrib>Mishima, Osamu</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suzuki, Yoshiharu</au><au>Mishima, Osamu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of water polyamorphism on the molecular vibrations of glycerol in its glassy aqueous solutions</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2016-07-14</date><risdate>2016</risdate><volume>145</volume><issue>2</issue><spage>024501</spage><epage>024501</epage><pages>024501-024501</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>A glassy dilute glycerol-water solution undergoes a mutual polyamorphic transition relating to the transition between high- and low-density amorphous ices of solvent water. The polyamorphic transition behavior depends on the glycerol concentration, indicating that the glycerol affects the water polyamorphism. Here, we used the glassy dilute glycerol-water solution of the solute molar fraction of 0.07 and examined the effect of the polyamorphic change in solvent water on the molecular vibrations of glycerol via Raman spectroscopy. It is found that the molecular vibration of glycerol in high-density liquid like solvent water is different from that in the low-density liquid like solvent water and that the change in the molecular vibration of glycerol is synchronized with the polyamorphic transition of solvent water. The dynamical change of the solute molecule relates to the polyamorphic state of solvent water. This result suggests that the polyamorphic fluctuation of water structure emanated from the presumed liquid-liquid critical point plays an important role for the function of aqueous solution under an ambient condition such as the conformational stability of solute, the functional expression of solute, and so on.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>27421414</pmid><doi>10.1063/1.4955318</doi><tpages>8</tpages></addata></record> |
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subjects | Aqueous solutions Critical point Density Dilution Glycerol Glycerol-Water Physics Raman spectroscopy Solvents Variation |
title | Effect of water polyamorphism on the molecular vibrations of glycerol in its glassy aqueous solutions |
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