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Title: Analysis of biosurfaces by neutron reflectometry: From simple to complex interfaces

Journal Article · · Biointerphases
DOI:https://doi.org/10.1116/1.4914948· OSTI ID:1248580
 [1];  [2];  [3];  [1];  [4];  [5];  [6];  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States) Center for Integrated Nanotechnologies (MPA-CINT), Lujan Neutron Scattering Center
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Los Alamos Neutron Science Center (LANSCE), Lujan Neutron Scattering Center; Inst. Laue-Langevin (ILL), Grenoble (France)
  3. Inst. Laue-Langevin (ILL), Grenoble (France)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Biosciences Division, Bioenergy and Biome Sciences
  5. California Inst. of Technology (CalTech), Pasadena, CA (United States). Dept. of Applied Physics
  6. Univ. of Pittsburgh, PA (United States). Department of Surgery

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. Highlighted In the current report are some of the authors' 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.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1248580
Report Number(s):
LA-UR-14-29503; BJIOBN
Journal Information:
Biointerphases, Vol. 10, Issue 1; ISSN 1934-8630
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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Accurate background correction in neutron reflectometry studies of soft condensed matter films in contact with fluid reservoirs journal February 2020
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