Behavior of specific natural lecithins and cholesterol at the air water-interface
Individual molecular species of lecithins were mixed with cholesterol and their pressure-area curves were measured at the air-water interface at 22±1°. The lecithins investigated were: L-16:0-16:0-, D-16:0-16:0-, L-16:0-18:3-, L-18:0-18:3-, L-16:0-20:4-, L-18:0-20:4- and L-18:0-18:0-lecithins. All o...
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| Veröffentlicht in: | Chemistry and physics of lipids 1971-11, Vol.7 (3), p.173-184 |
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| container_title | Chemistry and physics of lipids |
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| creator | Ghosh, Dolly Lyman, Richard L. Tinoco, J. |
| description | Individual molecular species of lecithins were mixed with cholesterol and their pressure-area curves were measured at the air-water interface at 22±1°. The lecithins investigated were: L-16:0-16:0-, D-16:0-16:0-, L-16:0-18:3-, L-18:0-18:3-, L-16:0-20:4-, L-18:0-20:4- and L-18:0-18:0-lecithins. All of these except the D-16:0-16:0- and L-18:0-18:0-lecithins have been found in nature. Considerable condensation of monolayers with cholesterol was observed in all cases except that of 18:0-18:0-lecithin, in which there was little condensation. The naturally-occurring structure of lecithins, that is, 1-saturated-2-unsaturated, leads to large condensations in mixed monolayers. This geometrical fit between cholesterol and lecithins may be of importance in enzyme reactions involving cholesterol or lecithins. |
| doi_str_mv | 10.1016/0009-3084(71)90030-2 |
| format | Article |
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The lecithins investigated were: L-16:0-16:0-, D-16:0-16:0-, L-16:0-18:3-, L-18:0-18:3-, L-16:0-20:4-, L-18:0-20:4- and L-18:0-18:0-lecithins. All of these except the D-16:0-16:0- and L-18:0-18:0-lecithins have been found in nature. Considerable condensation of monolayers with cholesterol was observed in all cases except that of 18:0-18:0-lecithin, in which there was little condensation. The naturally-occurring structure of lecithins, that is, 1-saturated-2-unsaturated, leads to large condensations in mixed monolayers. This geometrical fit between cholesterol and lecithins may be of importance in enzyme reactions involving cholesterol or lecithins.</description><identifier>ISSN: 0009-3084</identifier><identifier>EISSN: 1873-2941</identifier><identifier>DOI: 10.1016/0009-3084(71)90030-2</identifier><identifier>PMID: 5124466</identifier><language>eng</language><publisher>Ireland: Elsevier Ireland Ltd</publisher><subject>Chemical Phenomena ; Chemistry ; Cholesterol - chemical synthesis ; Chromatography, Gas ; Fatty Acids - analysis ; Membranes, Artificial ; Phosphatidylcholines - analysis ; Phosphatidylcholines - chemical synthesis ; Pressure ; Surface Properties ; Surface Tension</subject><ispartof>Chemistry and physics of lipids, 1971-11, Vol.7 (3), p.173-184</ispartof><rights>1971</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-faa777f0d268890977ad3edcf05bd35137d5d3f17d8708d4de9558c54f9d16273</citedby><cites>FETCH-LOGICAL-c357t-faa777f0d268890977ad3edcf05bd35137d5d3f17d8708d4de9558c54f9d16273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0009-3084(71)90030-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/5124466$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ghosh, Dolly</creatorcontrib><creatorcontrib>Lyman, Richard L.</creatorcontrib><creatorcontrib>Tinoco, J.</creatorcontrib><title>Behavior of specific natural lecithins and cholesterol at the air water-interface</title><title>Chemistry and physics of lipids</title><addtitle>Chem Phys Lipids</addtitle><description>Individual molecular species of lecithins were mixed with cholesterol and their pressure-area curves were measured at the air-water interface at 22±1°. The lecithins investigated were: L-16:0-16:0-, D-16:0-16:0-, L-16:0-18:3-, L-18:0-18:3-, L-16:0-20:4-, L-18:0-20:4- and L-18:0-18:0-lecithins. All of these except the D-16:0-16:0- and L-18:0-18:0-lecithins have been found in nature. Considerable condensation of monolayers with cholesterol was observed in all cases except that of 18:0-18:0-lecithin, in which there was little condensation. The naturally-occurring structure of lecithins, that is, 1-saturated-2-unsaturated, leads to large condensations in mixed monolayers. This geometrical fit between cholesterol and lecithins may be of importance in enzyme reactions involving cholesterol or lecithins.</description><subject>Chemical Phenomena</subject><subject>Chemistry</subject><subject>Cholesterol - chemical synthesis</subject><subject>Chromatography, Gas</subject><subject>Fatty Acids - analysis</subject><subject>Membranes, Artificial</subject><subject>Phosphatidylcholines - analysis</subject><subject>Phosphatidylcholines - chemical synthesis</subject><subject>Pressure</subject><subject>Surface Properties</subject><subject>Surface Tension</subject><issn>0009-3084</issn><issn>1873-2941</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1971</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1LAzEQhoMotVb_gUJOoofVZJNsshdBi19QEEHPIU0mNLLdrcluxX9vaotHLzPMzDtfD0KnlFxRQqtrQkhdMKL4haSXNSGMFOUeGlMlWVHWnO6j8Z_kEB2l9JFDIgQdoZGgJedVNUavd7Aw69BF3HmcVmCDDxa3ph-iaXCT434R2oRN67BddA2kHmLXYNPjfgHYhIi_TE4Voc3WGwvH6MCbJsHJzk_Q-8P92_SpmL08Pk9vZ4VlQvaFN0ZK6YkrK6VqUktpHANnPRFzxwRl0gnHPJVOSaIcd1ALoazgvna0KiWboPPt3FXsPod8l16GZKFpTAvdkLSitKa8UlnIt0Ibu5QieL2KYWnit6ZEb0jqDSa9waQl1b8kdZnbznbzh_kS3F_TDl2u32zrkJ9cB4g62QCtBRci2F67Lvy_4Aek_II5</recordid><startdate>197111</startdate><enddate>197111</enddate><creator>Ghosh, Dolly</creator><creator>Lyman, Richard L.</creator><creator>Tinoco, J.</creator><general>Elsevier Ireland Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>197111</creationdate><title>Behavior of specific natural lecithins and cholesterol at the air water-interface</title><author>Ghosh, Dolly ; Lyman, Richard L. ; Tinoco, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-faa777f0d268890977ad3edcf05bd35137d5d3f17d8708d4de9558c54f9d16273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1971</creationdate><topic>Chemical Phenomena</topic><topic>Chemistry</topic><topic>Cholesterol - chemical synthesis</topic><topic>Chromatography, Gas</topic><topic>Fatty Acids - analysis</topic><topic>Membranes, Artificial</topic><topic>Phosphatidylcholines - analysis</topic><topic>Phosphatidylcholines - chemical synthesis</topic><topic>Pressure</topic><topic>Surface Properties</topic><topic>Surface Tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ghosh, Dolly</creatorcontrib><creatorcontrib>Lyman, Richard L.</creatorcontrib><creatorcontrib>Tinoco, J.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Chemistry and physics of lipids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ghosh, Dolly</au><au>Lyman, Richard L.</au><au>Tinoco, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Behavior of specific natural lecithins and cholesterol at the air water-interface</atitle><jtitle>Chemistry and physics of lipids</jtitle><addtitle>Chem Phys Lipids</addtitle><date>1971-11</date><risdate>1971</risdate><volume>7</volume><issue>3</issue><spage>173</spage><epage>184</epage><pages>173-184</pages><issn>0009-3084</issn><eissn>1873-2941</eissn><abstract>Individual molecular species of lecithins were mixed with cholesterol and their pressure-area curves were measured at the air-water interface at 22±1°. The lecithins investigated were: L-16:0-16:0-, D-16:0-16:0-, L-16:0-18:3-, L-18:0-18:3-, L-16:0-20:4-, L-18:0-20:4- and L-18:0-18:0-lecithins. All of these except the D-16:0-16:0- and L-18:0-18:0-lecithins have been found in nature. Considerable condensation of monolayers with cholesterol was observed in all cases except that of 18:0-18:0-lecithin, in which there was little condensation. The naturally-occurring structure of lecithins, that is, 1-saturated-2-unsaturated, leads to large condensations in mixed monolayers. This geometrical fit between cholesterol and lecithins may be of importance in enzyme reactions involving cholesterol or lecithins.</abstract><cop>Ireland</cop><pub>Elsevier Ireland Ltd</pub><pmid>5124466</pmid><doi>10.1016/0009-3084(71)90030-2</doi><tpages>12</tpages></addata></record> |
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| ispartof | Chemistry and physics of lipids, 1971-11, Vol.7 (3), p.173-184 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Chemical Phenomena Chemistry Cholesterol - chemical synthesis Chromatography, Gas Fatty Acids - analysis Membranes, Artificial Phosphatidylcholines - analysis Phosphatidylcholines - chemical synthesis Pressure Surface Properties Surface Tension |
| title | Behavior of specific natural lecithins and cholesterol at the air water-interface |
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