Fourier transform infrared study on the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-y)decanoyl]- sn-glycero-3-phosphatidylcholine

Fourier transform infrared (FTIR) spectroscopy was used to study the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-yl)-decanoyl]- sn-glycero-3-phosphatidylcholine (PPDPC) in the temperature range of 3–30°C. Several changes in the spectral features of PPDPC were observed. Major...

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Veröffentlicht in:	Chemistry and physics of lipids 1988, Vol.46 (1), p.13-23
Hauptverfasser:	Lotta, Timo I., Virtanen, Jorma A., Kinnunen, Paavo K.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Colloidal state and disperse state Exact sciences and technology Fourier Analysis Fourier transform infrared spectroscopy General and physical chemistry Liposomes Micelles. Thin films Models, Biological Phosphatidylcholines phospholipids Spectrophotometry, Infrared Thermodynamics thermotropic behaviour
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creator	Lotta, Timo I. Virtanen, Jorma A. Kinnunen, Paavo K.J.
description	Fourier transform infrared (FTIR) spectroscopy was used to study the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-yl)-decanoyl]- sn-glycero-3-phosphatidylcholine (PPDPC) in the temperature range of 3–30°C. Several changes in the spectral features of PPDPC were observed. Major alterations analogous to the gel-to-liquid crystalline phase transition of saturated phosphatidylcholines were evident at approximately 16°C in both the wavenumbers and the halfbandwidths of five different vibrational modes of PPDPC, viz. asymmetric and symmetric CH 2 stretching, CO stretching, and CH 2 bending. Also the pyrene ring deformation mode changed at this temperature. Using Fourier self-deconvolution technique we resolved the carbonyl stretching mode into two bands at approx. 1741 and 1726 cm −1. These bands are due to conformational differences in the ester linkages of the two acyl chains, and are further assigned on the basis of literature data to the sn-1 and sn-2 carbonyl groups, respectively. The ratio of the relative intensities of these two bands is shown to depend on the phase state of the phospholipid.
doi_str_mv	10.1016/0009-3084(88)90108-9
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Several changes in the spectral features of PPDPC were observed. Major alterations analogous to the gel-to-liquid crystalline phase transition of saturated phosphatidylcholines were evident at approximately 16°C in both the wavenumbers and the halfbandwidths of five different vibrational modes of PPDPC, viz. asymmetric and symmetric CH 2 stretching, CO stretching, and CH 2 bending. Also the pyrene ring deformation mode changed at this temperature. Using Fourier self-deconvolution technique we resolved the carbonyl stretching mode into two bands at approx. 1741 and 1726 cm −1. These bands are due to conformational differences in the ester linkages of the two acyl chains, and are further assigned on the basis of literature data to the sn-1 and sn-2 carbonyl groups, respectively. The ratio of the relative intensities of these two bands is shown to depend on the phase state of the phospholipid.</description><identifier>ISSN: 0009-3084</identifier><identifier>EISSN: 1873-2941</identifier><identifier>DOI: 10.1016/0009-3084(88)90108-9</identifier><identifier>PMID: 3338098</identifier><identifier>CODEN: CPLIA4</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Chemistry ; Colloidal state and disperse state ; Exact sciences and technology ; Fourier Analysis ; Fourier transform infrared spectroscopy ; General and physical chemistry ; Liposomes ; Micelles. 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Several changes in the spectral features of PPDPC were observed. Major alterations analogous to the gel-to-liquid crystalline phase transition of saturated phosphatidylcholines were evident at approximately 16°C in both the wavenumbers and the halfbandwidths of five different vibrational modes of PPDPC, viz. asymmetric and symmetric CH 2 stretching, CO stretching, and CH 2 bending. Also the pyrene ring deformation mode changed at this temperature. Using Fourier self-deconvolution technique we resolved the carbonyl stretching mode into two bands at approx. 1741 and 1726 cm −1. These bands are due to conformational differences in the ester linkages of the two acyl chains, and are further assigned on the basis of literature data to the sn-1 and sn-2 carbonyl groups, respectively. The ratio of the relative intensities of these two bands is shown to depend on the phase state of the phospholipid.</description><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Exact sciences and technology</subject><subject>Fourier Analysis</subject><subject>Fourier transform infrared spectroscopy</subject><subject>General and physical chemistry</subject><subject>Liposomes</subject><subject>Micelles. Thin films</subject><subject>Models, Biological</subject><subject>Phosphatidylcholines</subject><subject>phospholipids</subject><subject>Spectrophotometry, Infrared</subject><subject>Thermodynamics</subject><subject>thermotropic behaviour</subject><issn>0009-3084</issn><issn>1873-2941</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUGL1TAUhYso43P0HyhkITKziN407Wu6GZDBUWHAja5EQpre2Eia1CQd6E_x35rne7yli0u4nO9cwjlV9ZLBWwZs_w4AespBNFdCXPfAQND-UbVjouO07hv2uNqdkafVs5R-lRXall1UF5xzAb3YVX_uwhotRpKj8smEOBPrTVQRR5LyOm4keJInPEycQ45hsZoMOKkHW5wkGGJW5zYybWNUubgYXZSbbQ6bozX9zoBeLVtETxndrkfUyhflByXJ059u0xgD5XSZQlomle24OT0FZz0-r54Y5RK-OL2X1be7D19vP9H7Lx8_376_p5qLfaamhhoapZiBmjHeYs27bhAAymilUbWD6dq6bhhjgwLTc93iyNt90xS8ZYZfVm-Od5cYfq-Yspxt0uic8hjWJDsBggF0BWyOoI4hpYhGLtHOKm6SgTw0Ig9xy0PcUgj5rxHZF9ur0_11mHE8m04VFP31SVdJK1ey99qmM9Y1gtd7KNjNEcOSxUNpTCZt0WscbUSd5Rjs___xF3AGqPM</recordid><startdate>1988</startdate><enddate>1988</enddate><creator>Lotta, Timo I.</creator><creator>Virtanen, Jorma A.</creator><creator>Kinnunen, Paavo K.J.</creator><general>Elsevier Ireland Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><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>1988</creationdate><title>Fourier transform infrared study on the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-y)decanoyl]- sn-glycero-3-phosphatidylcholine</title><author>Lotta, Timo I. ; Virtanen, Jorma A. ; Kinnunen, Paavo K.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-f20204aa1f021135e2377b800afcacea5bf75224111ba0f93c5ed3564421151f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Exact sciences and technology</topic><topic>Fourier Analysis</topic><topic>Fourier transform infrared spectroscopy</topic><topic>General and physical chemistry</topic><topic>Liposomes</topic><topic>Micelles. Thin films</topic><topic>Models, Biological</topic><topic>Phosphatidylcholines</topic><topic>phospholipids</topic><topic>Spectrophotometry, Infrared</topic><topic>Thermodynamics</topic><topic>thermotropic behaviour</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lotta, Timo I.</creatorcontrib><creatorcontrib>Virtanen, Jorma A.</creatorcontrib><creatorcontrib>Kinnunen, Paavo K.J.</creatorcontrib><collection>Pascal-Francis</collection><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>Lotta, Timo I.</au><au>Virtanen, Jorma A.</au><au>Kinnunen, Paavo K.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fourier transform infrared study on the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-y)decanoyl]- sn-glycero-3-phosphatidylcholine</atitle><jtitle>Chemistry and physics of lipids</jtitle><addtitle>Chem Phys Lipids</addtitle><date>1988</date><risdate>1988</risdate><volume>46</volume><issue>1</issue><spage>13</spage><epage>23</epage><pages>13-23</pages><issn>0009-3084</issn><eissn>1873-2941</eissn><coden>CPLIA4</coden><abstract>Fourier transform infrared (FTIR) spectroscopy was used to study the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-yl)-decanoyl]- sn-glycero-3-phosphatidylcholine (PPDPC) in the temperature range of 3–30°C. Several changes in the spectral features of PPDPC were observed. Major alterations analogous to the gel-to-liquid crystalline phase transition of saturated phosphatidylcholines were evident at approximately 16°C in both the wavenumbers and the halfbandwidths of five different vibrational modes of PPDPC, viz. asymmetric and symmetric CH 2 stretching, CO stretching, and CH 2 bending. Also the pyrene ring deformation mode changed at this temperature. Using Fourier self-deconvolution technique we resolved the carbonyl stretching mode into two bands at approx. 1741 and 1726 cm −1. These bands are due to conformational differences in the ester linkages of the two acyl chains, and are further assigned on the basis of literature data to the sn-1 and sn-2 carbonyl groups, respectively. The ratio of the relative intensities of these two bands is shown to depend on the phase state of the phospholipid.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>3338098</pmid><doi>10.1016/0009-3084(88)90108-9</doi><tpages>11</tpages></addata></record>
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subjects	Chemistry Colloidal state and disperse state Exact sciences and technology Fourier Analysis Fourier transform infrared spectroscopy General and physical chemistry Liposomes Micelles. Thin films Models, Biological Phosphatidylcholines phospholipids Spectrophotometry, Infrared Thermodynamics thermotropic behaviour
title	Fourier transform infrared study on the thermotropic behaviour of fully hydrated 1-palmitoyl-2-[10-(pyren-1-y)decanoyl]- sn-glycero-3-phosphatidylcholine
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