Because of its high sensitivity for light elements and the scattering contrast manipulation via isotopic substitutions, neutron reflectometry (NR) is an excellent tool for studying the structure of soft-condensed material. These materials include model biophysical systems as well as in situ living tissue at the solid–liquid interface. The penetrability of neutrons makes NR suitable for probing thin films with thicknesses of 5–5000 Å at various buried, for example, solid–liquid, interfaces [J. Daillant and A. Gibaud, Lect. Notes Phys. 770, 133 (2009); G. Fragneto-Cusani, J. Phys.: Condens. Matter 13, 4973 (2001); J. Penfold, Curr. Opin. Colloid Interface Sci. 7, 139 (2002)]. Over the past two decades, NR has evolved to become a key tool in the characterization of biological and biomimetic thin films. In the current report, the authors would like to highlight some of our recent accomplishments in utilizing NR to study highly complex systems, including in-situ experiments. Such studies will result in a much better understanding of complex biological problems, have significant medical impact by suggesting innovative treatment, and advance the development of highly functionalized biomimetic materials.
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March 2015
Research Article|
March 16 2015
Analysis of biosurfaces by neutron reflectometry: From simple to complex interfaces
Ann Junghans;
Ann Junghans
MPA-CINT/Lujan Neutron Scattering Center, Los Alamos Neutron Science Center, Los Alamos National Laboratory
, Los Alamos, New Mexico 87545
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Erik B. Watkins;
Erik B. Watkins
MPA-11/Lujan Neutron Scattering Center, Los Alamos Neutron Science Center, Los Alamos National Laboratory
, Los Alamos, New Mexico 87545 and Institut Laue Langevin
, 71 Avenue des Martyrs, CS 20156, 38042 Grenoble Cedex 9, France
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Robert D. Barker;
Robert D. Barker
Institut Laue Langevin
, 71 Avenue des Martyrs, CS 20156, 38042 Grenoble Cedex 9, France
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Saurabh Singh;
Saurabh Singh
MPA-CINT/Lujan Neutron Scattering Center
, Los Alamos Neutron Science Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Mary Jo Waltman;
Mary Jo Waltman
Biosciences Division, Bioenergy and Biome Sciences,
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545
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Hillary L. Smith;
Hillary L. Smith
Department of Applied Physics and Materials Science,
California Institute of Technology
, Pasadena, California 91125
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Luka Pocivavsek;
Luka Pocivavsek
Department of Surgery,
University of Pittsburgh Medical Center
, Pittsburgh, Pennsylvania 15213
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Jaroslaw Majewski
Jaroslaw Majewski
a)
MPA-CINT/Lujan Neutron Scattering Center, Los Alamos Neutron Science Center, Los Alamos National Laboratory
, Los Alamos, New Mexico 87545
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a)
Electronic mail: jarek@lanl.gov
Biointerphases 10, 019014 (2015)
Article history
Received:
December 15 2014
Accepted:
February 05 2015
Citation
Ann Junghans, Erik B. Watkins, Robert D. Barker, Saurabh Singh, Mary Jo Waltman, Hillary L. Smith, Luka Pocivavsek, Jaroslaw Majewski; Analysis of biosurfaces by neutron reflectometry: From simple to complex interfaces. Biointerphases 1 March 2015; 10 (1): 019014. https://doi.org/10.1116/1.4914948
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