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Ultrafast dynamics of phospholipid-w...

Costard, Rene.

Ultrafast dynamics of phospholipid-water interfacesstudied by nonlinear time-resolved vibrational spectroscopy /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ultrafast dynamics of phospholipid-water interfacesby Rene Costard.
Reminder of title:	studied by nonlinear time-resolved vibrational spectroscopy /
Author:	Costard, Rene.
Published:	Cham :Springer International Publishing :2015.
Description:	x, 103 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Phospholipids.
Online resource:	http://dx.doi.org/10.1007/978-3-319-22066-6
ISBN:	9783319220666$q(electronic bk.)

Ultrafast dynamics of phospholipid-water interfacesstudied by nonlinear time-resolved vibrational spectroscopy /
Costard, Rene.

Ultrafast dynamics of phospholipid-water interfacesstudied by nonlinear time-resolved vibrational spectroscopy /[electronic resource] :by Rene Costard. - Cham :Springer International Publishing :2015. - x, 103 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Vibrational Spectroscopy -- Ultrafast Vibrational Dynamics of Phospholipid Hydration Sites -- Ultrafast Vibrational Dynamics of Phospholipid Hydration Shells -- Conclusions -- Appendix: Experimental Pulse Parameters.

This thesis presents a highly innovative study of the ultrafast structural and vibrational dynamics of hydrated phospholipids, the basic constituents of cell membranes. As a novel approach to the water-phospholipid interface, the author studies phosphate vibrations using the most advanced methods of nonlinear vibrational spectroscopy, including femtosecond two-dimensional infrared spectroscopy. He shows for the first time that the structure of interfacial water undergoes very limited fluctuations on a 300 fs time scale and that the lifetimes of hydrogen bonds with the phospholipid are typically longer than 10 ps. Such properties originate from the steric hindrance of water fluctuations at the interface and the orienting action of strong electric fields from the phospholipid head group dipoles. In an extensive series of additional experiments, the vibrational lifetimes of the different vibrations and the processes of energy dissipation are elucidated in detail.

ISBN: 9783319220666$q(electronic bk.)

Standard No.: 10.1007/978-3-319-22066-6doiSubjects--Topical Terms:

243495
Phospholipids.

LC Class. No.: QP752.P53

Dewey Class. No.: 572.57

Ultrafast dynamics of phospholipid-water interfacesstudied by nonlinear time-resolved vibrational spectroscopy /
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520 $a This thesis presents a highly innovative study of the ultrafast structural and vibrational dynamics of hydrated phospholipids, the basic constituents of cell membranes. As a novel approach to the water-phospholipid interface, the author studies phosphate vibrations using the most advanced methods of nonlinear vibrational spectroscopy, including femtosecond two-dimensional infrared spectroscopy. He shows for the first time that the structure of interfacial water undergoes very limited fluctuations on a 300 fs time scale and that the lifetimes of hydrogen bonds with the phospholipid are typically longer than 10 ps. Such properties originate from the steric hindrance of water fluctuations at the interface and the orienting action of strong electric fields from the phospholipid head group dipoles. In an extensive series of additional experiments, the vibrational lifetimes of the different vibrations and the processes of energy dissipation are elucidated in detail.
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