Molecular Dynamics of POPC Phospholipid Bilayers through the Gel to Fluid Phase Transition: An Incoherent Quasi-Elastic Neutron Scattering Study

<div><svg height="10.9432pt" id="M54" style="vertical-align:-2.2029pt" version="1.1" viewbox="-0.0498162 -8.7403 9.9906 10.9432" width="9.9906pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M734 -137C662 -100 567 -37 503 8C623 45 724 166 724 333C724 530 575 665 393 665C162 665 42 496 42 319C42 232 74 149 131 87C187 26 281 -9 343 -13C470 -114 547 -148 579 -156C617 -166 676 -172 726 -164L734 -137ZM358 30C254 60 195 186 195 343S263 623 372 623C491 623 571 502 571 303C571 139 512 56 466 37C458 43 449 50 440 56L358 30Z" id="g13-79"></path></g></svg>-dependence of the experimental <svg height="12.0621pt" id="M55" style="vertical-align:-3.2957pt" version="1.1" viewbox="-0.0498162 -8.7664 39.2833 12.0621" width="39.2833pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M517 162C503 123 484 88 467 68C445 42 417 34 341 34C291 34 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509V439H46L17 408L22 396H92V107C92 27 128 -12 192 -12C203 -12 218 -9 237 2L303 37Z" id="g58-114"></path></g></svg> at <svg height="9.16851pt" id="M56" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.96212 42.1252 9.16851" width="42.1252pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z" id="g113-85"></path></g><g transform="matrix(.013,0,0,-0.013,11.917,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z" id="g117-34"></path></g><g transform="matrix(.013,0,0,-0.013,23.18,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 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the data at <svg height="9.16851pt" id="M57" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.96212 42.1252 9.16851" width="42.1252pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z" id="g113-85"></path></g><g transform="matrix(.013,0,0,-0.013,11.917,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z" id="g117-34"></path></g><g transform="matrix(.013,0,0,-0.013,23.18,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 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id="g113-57"></path></g></svg> K taken from [<a href="/journals/jchem/2017/3654237/#B25">25</a>]. Solid lines are fits to the uniaxial rotation model. In the inset, the temperature dependence of the angular spreads is shown.</div>

Journal of Chemistry

fig3

Figure 3

Figure 3: Molecular Dynamics of POPC Phospholipid Bilayers through the Gel to Fluid Phase Transition: An Incoherent Quasi-Elastic Neutron Scattering Study 

Figure 3 | Molecular Dynamics of POPC Phospholipid Bilayers through the Gel to Fluid Phase Transition: An Incoherent Quasi-Elastic Neutron Scattering Study 