A new liquid surface neutron reflectometer and its application to the study of DPPC in a monolayer at the air/water interface

D. Vaknin; K. Kjær; J. Als-Nielsen; M. Lösche

doi:10.1002/masy.19910460155

A new liquid surface neutron reflectometer and its application to the study of DPPC in a monolayer at the air/water interface

D. Vaknin, K. Kjær, J. Als-Nielsen, M. Lösche

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Abstract

A constant wavelength neutron reflectometer is described. Using this reflectometer, the neutron reflectivities from phosphatidylcholine monolayers in the highly condensed LC phase on ultra pure H2O and D2O have been measured on a Wilhelmy film balance. The neutron reflectivities have been carefully compared with those obtained by the X‐ray method applied to the same monolayer under similar conditions. A new approach to analyzing a combined set of data composed of X‐ray and neutron reflectivities has been used. From the analysis it is concluded that despite their limited qz range neutron reflectivities are as essential as X‐ray reflectivities for the unique determination of the monolayer structure.

Original language	English
Journal	Makromolekulare Chemie. Macromolecular Symposia
Volume	46
Issue number	1
Pages (from-to)	383-388
ISSN	0258-0322
DOIs	https://doi.org/10.1002/masy.19910460155
Publication status	Published - 1991

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title = "A new liquid surface neutron reflectometer and its application to the study of DPPC in a monolayer at the air/water interface",

abstract = "A constant wavelength neutron reflectometer is described. Using this reflectometer, the neutron reflectivities from phosphatidylcholine monolayers in the highly condensed LC phase on ultra pure H2O and D2O have been measured on a Wilhelmy film balance. The neutron reflectivities have been carefully compared with those obtained by the X‐ray method applied to the same monolayer under similar conditions. A new approach to analyzing a combined set of data composed of X‐ray and neutron reflectivities has been used. From the analysis it is concluded that despite their limited qz range neutron reflectivities are as essential as X‐ray reflectivities for the unique determination of the monolayer structure.",

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year = "1991",

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T1 - A new liquid surface neutron reflectometer and its application to the study of DPPC in a monolayer at the air/water interface

AU - Vaknin, D.

AU - Kjær, K.

AU - Als-Nielsen, J.

AU - Lösche, M.

PY - 1991

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N2 - A constant wavelength neutron reflectometer is described. Using this reflectometer, the neutron reflectivities from phosphatidylcholine monolayers in the highly condensed LC phase on ultra pure H2O and D2O have been measured on a Wilhelmy film balance. The neutron reflectivities have been carefully compared with those obtained by the X‐ray method applied to the same monolayer under similar conditions. A new approach to analyzing a combined set of data composed of X‐ray and neutron reflectivities has been used. From the analysis it is concluded that despite their limited qz range neutron reflectivities are as essential as X‐ray reflectivities for the unique determination of the monolayer structure.

AB - A constant wavelength neutron reflectometer is described. Using this reflectometer, the neutron reflectivities from phosphatidylcholine monolayers in the highly condensed LC phase on ultra pure H2O and D2O have been measured on a Wilhelmy film balance. The neutron reflectivities have been carefully compared with those obtained by the X‐ray method applied to the same monolayer under similar conditions. A new approach to analyzing a combined set of data composed of X‐ray and neutron reflectivities has been used. From the analysis it is concluded that despite their limited qz range neutron reflectivities are as essential as X‐ray reflectivities for the unique determination of the monolayer structure.

KW - Materialers atomare struktur og egenskaber

U2 - 10.1002/masy.19910460155

DO - 10.1002/masy.19910460155

M3 - Journal article

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EP - 388

JO - Makromolekulare Chemie. Macromolecular Symposia

JF - Makromolekulare Chemie. Macromolecular Symposia

IS - 1

ER -

A new liquid surface neutron reflectometer and its application to the study of DPPC in a monolayer at the air/water interface

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