Relevant bibliographies by topics / Small-Angle X-Ray and neutron scattering (SAXS/SANS)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Small-Angle X-Ray and neutron scattering (SAXS/SANS)'

Author: Grafiati
Published: 2 November 2024

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Journal articles on the topic "Small-Angle X-Ray and neutron scattering (SAXS/SANS)"

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GOYAL, P. S., and V. K. ASWAL. "USE OF SANS AND SAXS IN STUDY OF NANOPARTICLES." International Journal of Nanoscience 04, no. 05n06 (2005): 987–94. http://dx.doi.org/10.1142/s0219581x05003954.

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Small Angle Neutron Scattering (SANS) and Small Angle X-ray Scattering (SAXS), anong other available techniques, are the nost sought after techniques for studying the sizes and shapes of nanoparticles. The contrast between particle and its surrounding is different for X-rays and neutrons. Thus a combined SANS and SAXS study, at times, provides information about the core and the shell structure of nanoparticles. This paper gives an introduction to the techniques of SANS and SAXS and shows results of a study of core-shell structure for a micelle (nanaoparticle of organic material).
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Härk, Eneli, and Matthias Ballauff. "Carbonaceous Materials Investigated by Small-Angle X-ray and Neutron Scattering." C 6, no. 4 (2020): 82. http://dx.doi.org/10.3390/c6040082.

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Carbonaceous nanomaterials have become important materials with widespread applications in battery systems and supercapacitors. The application of these materials requires precise knowledge of their nanostructure. In particular, the porosity of the materials together with the shape of the pores and the total internal surface must be known accurately. Small-angle X-ray scattering (SAXS) and small-angle neutron scattering (SANS) present the methods of choice for this purpose. Here we review our recent investigations using SAXS and SANS. We first describe the theoretical basis of the analysis of
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Allen, Andrew J., Fan Zhang, R. Joseph Kline, William F. Guthrie, and Jan Ilavsky. "NIST Standard Reference Material 3600: Absolute Intensity Calibration Standard for Small-Angle X-ray Scattering." Journal of Applied Crystallography 50, no. 2 (2017): 462–74. http://dx.doi.org/10.1107/s1600576717001972.

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The certification of a new standard reference material for small-angle scattering [NIST Standard Reference Material (SRM) 3600: Absolute Intensity Calibration Standard for Small-Angle X-ray Scattering (SAXS)], based on glassy carbon, is presented. Creation of this SRM relies on the intrinsic primary calibration capabilities of the ultra-small-angle X-ray scattering technique. This article describes how the intensity calibration has been achieved and validated in the certifiedQrange,Q= 0.008–0.25 Å−1, together with the purpose, use and availability of the SRM. The intensity calibration afforded
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Sreij, Ramsia, Carina Dargel, Philippe Geisler, et al. "DMPC vesicle structure and dynamics in the presence of low amounts of the saponin aescin." Physical Chemistry Chemical Physics 20, no. 14 (2018): 9070–83. http://dx.doi.org/10.1039/c7cp08027a.

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Vesicle shape and bilayer parameters are studied by small-angle X-ray (SAXS) and small-angle neutron (SANS) scattering in the presence of the saponin aescin. Bilayer dynamics is studied by neutron spin-echo (NSE) spectroscopy.
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Allen, Andrew J. "Selected advances in small-angle scattering and applications they serve in manufacturing, energy and climate change." Journal of Applied Crystallography 56, no. 3 (2023): 787–800. http://dx.doi.org/10.1107/s1600576723003898.

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Innovations in small-angle X-ray and neutron scattering (SAXS and SANS) at major X-ray and neutron facilities offer new characterization tools for researching materials phenomena relevant to advanced applications. For SAXS, the new generation of diffraction-limited storage rings, incorporating multi-bend achromat concepts, dramatically decrease electron beam emittance and significantly increase X-ray brilliance over previous third-generation sources. This results in intense X-ray incident beams that are more compact in the horizontal plane, allowing significantly improved spatial resolution, b
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Murthy, N. Sanjeeva, Zheng Zhang, Siddharth Borsadia, and Joachim Kohn. "Nanospheres with a smectic hydrophobic core and an amorphous PEG hydrophilic shell: structural changes and implications for drug delivery." Soft Matter 14, no. 8 (2018): 1327–35. http://dx.doi.org/10.1039/c7sm02472j.

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The structural changes in nanospheres with a crystalline core and an amorphous diffuse shell were investigated by small-angle neutron scattering (SANS), small-, medium-, and wide-angle X-ray scattering (SAXS, MAXS and WAXS), and differential scanning calorimetry (DSC).
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Lamparter, P., and B. Boucher. "Small Angle Neutron Scattering with Hydrogenated Amorphous Cu50 Ti50 and Ni-Ti-Si Alloys." Zeitschrift für Naturforschung A 48, no. 11 (1993): 1086–92. http://dx.doi.org/10.1515/zna-1993-1105.

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Abstract The metallic glasses Cu50Ti50, Ni30Ti60Si10, Ni32Ti52Si16 , Ni16Ti68Si16 and Ti84Si16 were produced by melt spinning. The alloys in the blank state as well as after loading with hydrogen or deuterium were investigated by small angle neutron (SANS) and X-ray (SAXS) scattering. The scattering of the different amorphous alloys exhibited common features. SANS follows a power-law with exponent of the scattering vector between -3 and -4. The melt-spun glasses contain extended structural inhomogeneities which are associated rather with the local composition than with the local density. SAXS
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Kalus, J., and U. Schmelzer. "Small angle neutron (SANS) and x-ray (SAXS) scattering on micellar systems." Physica Scripta T49B (January 1, 1993): 629–35. http://dx.doi.org/10.1088/0031-8949/1993/t49b/042.

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Metwalli, Ezzeldin, Klaus Götz, Sebastian Lages, et al. "A novel experimental approach for nanostructure analysis: simultaneous small-angle X-ray and neutron scattering." Journal of Applied Crystallography 53, no. 3 (2020): 722–33. http://dx.doi.org/10.1107/s1600576720005208.

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Exploiting small-angle X-ray and neutron scattering (SAXS/SANS) on the same sample volume at the same time provides complementary nanoscale structural information in two different contrast situations. Unlike an independent experimental approach, the truly combined SAXS/SANS experimental approach ensures the exactness of the probed samples, particularly for in situ studies. Here, an advanced portable SAXS system that is dimensionally suitable for installation in the D22 zone of ILL is introduced. The SAXS apparatus is based on a Rigaku switchable copper/molybdenum microfocus rotating-anode X-ra
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Mahieu, Emilie, and Frank Gabel. "Biological small-angle neutron scattering: recent results and development." Acta Crystallographica Section D Structural Biology 74, no. 8 (2018): 715–26. http://dx.doi.org/10.1107/s2059798318005016.

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Small-angle neutron scattering (SANS) has increasingly been used by the structural biology community in recent years to obtain low-resolution information on solubilized biomacromolecular complexes in solution. In combination with deuterium labelling and solvent-contrast variation (H2O/D2O exchange), SANS provides unique information on individual components in large heterogeneous complexes that is perfectly complementary to the structural restraints provided by crystallography, nuclear magnetic resonance and electron microscopy. Typical systems studied include multi-protein or protein–DNA/RNA c
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Dissertations / Theses on the topic "Small-Angle X-Ray and neutron scattering (SAXS/SANS)"

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Rath, Emma. "Structural characterisation of BAMLET-like anti-cancer complexes and investigation of their potential for treating mesothelioma." Thesis, The University of Sydney, 2018. https://hdl.handle.net/2123/21797.

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BAMLET and related compounds are a family of protein-oleic acid complexes that are cytotoxic towards a range of cancer cells and some bacteria, and for which no evidence of similar toxicity towards healthy tissue has yet been presented. This thesis determines the structure of BAMLET-like complexes, revealing that they belong to a new type of lipid-binding protein structure family consisting of the distinctive features of protein located on the periphery encapsulating a drop of oleic acid in the centre. This work is the first to reveal these distinctive structural features of what is now called
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Saade, Christelle. "Structure and function in solution of the transmembrane protein mTSPO in different amphiphilic systems : from detergents to biomimetic environments." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASF038.

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TSPO est une petite protéine membranaire translocatrice, ubiquitaire, composée de cinq hélices-α transmembranaires. Chez les mammifères, elle est principalement localisée dans la membrane externe des mitochondries, où elle jouerait un rôle dans le transport du cholestérol et la voie de synthèse des stéroïdes. Cette protéine présente un intérêt pharmacologique majeur en raison de sa forte affinité pour de nombreux ligands utilisés comme marqueurs de l'inflammation en neuro-imagerie. La seule structure atomique connue des TSPOs de mammifères est la structure RMN (2MGY.PDB) de la TSPO de souris (
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Ouali, Chakib. "Caractérisation multi-échelle de l’écoulement de mousses en milieux poreux en contexte EOR." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS001/document.

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L’utilisation de la mousse en récupération assistée du pétrole (Enhanced Oil Recovery, EOR) présente un avantage indéniable par rapport à l’injection du gaz seul pour pallier les problèmes de ségrégation gravitaire et de digitations visqueuses. Son utilisation systématique en ingénierie du réservoir nécessite des connaissances plus approfondies sur son comportement en milieu poreux. La littérature montre deux types d’approches expérimentales basées soit sur des études pétrophysiques effectuées sur des systèmes poreux 3D et basées sur des mesures de pressions intégrées sur l’ensemble du milieu
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Ouali, Chakib. "Caractérisation multi-échelle de l’écoulement de mousses en milieux poreux en contexte EOR." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS001.

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L’utilisation de la mousse en récupération assistée du pétrole (Enhanced Oil Recovery, EOR) présente un avantage indéniable par rapport à l’injection du gaz seul pour pallier les problèmes de ségrégation gravitaire et de digitations visqueuses. Son utilisation systématique en ingénierie du réservoir nécessite des connaissances plus approfondies sur son comportement en milieu poreux. La littérature montre deux types d’approches expérimentales basées soit sur des études pétrophysiques effectuées sur des systèmes poreux 3D et basées sur des mesures de pressions intégrées sur l’ensemble du milieu
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Delisavva, Foteini. "Asociace polymerů s amfifilními sloučeninami (surfaktanty) ve vodných roztocích." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-371354.

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Title: Self-assembly of polymers with amphiphilic compounds (surfactants) in aqueous solutions Abstract: This PhD Thesis is devoted to the co-assembly in systems containing electrically charged polymers (polyelectrolytes and block copolymers containing polyelectrolyte sequences). I studied the interactions between block copolymers and oppositely charged surfactants in aqueous solutions, and the structure and properties of co-assembled nanoparticles by a combination of several experimental methods. I found that the spontaneous formation, solubility and stability of complex nanoparticles depend
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Book chapters on the topic "Small-Angle X-Ray and neutron scattering (SAXS/SANS)"

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Barré, Loïc. "Contribution of Small-Angle X-Ray and Neutron Scattering (SAXS and SANS) to the Characterization of Natural Nanomaterials." In X-ray and Neutron Techniques for Nanomaterials Characterization. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48606-1_12.

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Bauer, B. J., and E. J. Amis. "Characterization of Dendritically Branched Polymers by Small Angle Neutron Scattering (SANS), Small Angle X-Ray Scattering (SAXS) and Transmission Electron Microscopy (TEM)." In Dendrimers and Other Dendritic Polymers. John Wiley & Sons, Ltd, 2002. http://dx.doi.org/10.1002/0470845821.ch11.

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Willis, B. T. M., and C. J. Carlile. "Small-angle neutron scattering." In Experimental Neutron Scattering. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780198519706.003.0010.

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Abstract The theory and practice of small-angle X-ray scattering (SAXS) dates back to the 1930s and is well described in the classic book of Guinier and Fournet (1955). Small-angle neutron scattering (SANS) came much later. It was not until the early 1970s, when position-sensitive detectors on cold neutron guides became available, that systematic studies began using small-angle neutron scattering, but after this relatively late start the technique rapidly became one of the most popular and productive of all neutron scattering methods. SANS has been applied to a very wide range of problems, including the study of polymer conformations and morphology, the study of biological structures, the characterization of voids and precipitates in alloys, and the study of flux-line lattices in superconducting materials. The technique of ‘contrast variation’ is largely responsible for the success of SANS, especially in the study of soft condensed matter and biological systems. There are over 30 SANS instruments in operation worldwide at both reactor and spallation sources. In spite of an apparent wealth of instruments, the demand for beam time considerably outstrips the time available.
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Vachette, Patrice, and Dmitri Svergun. "Small-angle X-ray scattering by solutions of biological macromolecules." In Structure and Dynamics of Biomolecules: Neutron and Synchrotron Radiation for Condensed Matter Studies. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198504535.003.0011.

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Abstract This chapter on the application of Small-angle X-ray scattering (SAXS) to biological macromolecules can be read independently from other contributions in the series of volumes of Hercules lectures but it does not ignore them. The general considerations on the phenomenon of light scattering by matter are kept to a minimum and focused on the case of particles in solution. The reader is referred to the contributions by Geissler (1994) and Williams (1993) for further developments presented from a different standpoint. The section on data analysis and the formalism of spherical harmonics can be complemented by reading the contribution by Stuhrmann (1994). The question of interactions between particles is barely touched upon since it has been dealt with byTardieu (1994). Finally this chapter is obviously not the place for an exhaustive presentation of the theory of SAXS. Beyond the other contributions already mentioned, the interested reader is referred to the textbooks listed in the bibliography.
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Veesler, S., and R. Boistelle. "Diagnostic of Pre-Nucleation and Nucleation By Spectroscopic Methods and Background on the Physics of Crystal Growth." In Crystallization of Nucleic Acids and Proteins. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780199636792.003.0015.

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Unlike the crystallization of small inorganic molecules, the problem of protein crystallization was first approached by trial and error methods without any theoretical background. A physico-chemical approach was chosen because crystallographers and biochemists needed criteria to rationally select crystallization conditions. In fact, the problem of the production of homogeneous and structurally perfect protein crystals is set the same as the production of high-quality crystals for opto-electronic applications, because, in both cases, the crystal growth mechanisms are the same. Biological macromolecules and small organic molecules follow the same rules concerning crystallization even if each material exhibits specific characteristics. This chapter introduces the fundamentals of crystallization: supersaturation, nucleation, and crystal growth mechanisms. Phase diagrams are presented in Chapter 10. Special attention will be paid to the behaviour of the macromolecules in solution and to the techniques used for their analysis: light scattering (LS), small angle X-ray scattering (SAXS), small angle neutron scattering (SANS), and osmotic pressure (OP). Before obtaining any nucleation or growth, it is necessary to dissolve the biological macromolecules under consideration in some good solvent. However, it may immediately be asked whether a good solvent is a solvent in which the material is highly soluble, or in which nucleation is easily controlled, or in which growth is fast, or solvent in which the crystals exhibit the appropriate morphology. In practice, the choice of the solvent often depends on the nature of the material to be dissolved, taking into account the well known rule which says that ‘like dissolves like’. This means that, for dissolution to occur, it is necessary that the solute and the solvent exchange bonds: between an ion and a dipole, a dipole and another dipole, hydrogen bonds, and/or Van der Waals bonds. Therefore, the nature of the bonds depends on both the nature of the solute and the solvent which can be dipolar protic, dipolar aprotic, or completely apolar. Once the material has dissolved, the solution must be supersaturated in order to observe nucleation or growth. The solution is supersaturated when the solute concentration exceeds its solubility. There are several ways to achieve supersaturation.
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Han, Chang Dae. "Rheology of Block Copolymers." In Rheology and Processing of Polymeric Materials: Volume 1: Polymer Rheology. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195187823.003.0014.

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Block copolymer consists of two or more long blocks with dissimilar chemical structures which are chemically connected. There are different architectures of block copolymers, namely, AB-type diblock, ABA-type triblock, ABC-type triblock, and AmBn radial or star-shaped block copolymers, as shown schematically in Figure 8.1. The majority of block copolymers has long been synthesized by sequential anionic polymerization, which gives rise to narrow molecular weight distribution, although other synthesis methods (e.g., cationic polymerization, atom transfer radical polymerization) have also been developed in the more recent past. Owing to immiscibility between the constituent blocks, block copolymers above a certain threshold molecular weight form microdomains (10–50 nm in size), the structure of which depends primarily on block composition (or block length ratio). The presence of microdomains confers unique mechanical properties to block copolymers. There are many papers that have dealt with the synthesis and physical/mechanical properties of block copolymers, too many to cite them all here. There are monographs describing the synthesis and physical properties of block copolymers (Aggarwal 1970; Burke and Weiss 1973; Hamley 1998; Holden et al. 1996; Hsieh and Quirk 1996; Noshay and McGrath 1977). Figure 8.2 shows schematically four types of equilibrium microdomain structures observed in block copolymers. Referring to Figure 8.2, it is well established (Helfand and Wasserman 1982; Leibler 1980) that in microphase-separated block copolymers, spherical microdomains are observed when the volume fraction f of one of the blocks is less than approximately 0.15, hexagonally packed cylindrical microdomains are observed when the value of f is between approximately 0.15 and 0.44, and lamellar microdomains are observed when the value of f is between approximately 0.44 and 0.50. Some investigators have observed ordered bicontinuous double-diamonds (OBDD) (Thomas et al. 1986; Hasegawa et al. 1987) or bicontinuous gyroids (Hajduk et al. 1994) at a very narrow range of f (say, between approximately 0.35 and 0.40) for certain block copolymers. Figure 8.2 shows only one half of the symmetricity about f = 0.5. Transmission electron microscopy (TEM), small-angle X-ray scattering (SAXS), and small-angle neutron scattering (SANS) have long been used to investigate the types of microdomain structures in block copolymers.
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Erman, Burak, and James E. Mark. "Small-Angle Neutron Scattering." In Structures and Properties of Rubberlike Networks. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195082371.003.0016.

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Small-angle neutron scattering (SANS) experiments from networks were initiated by Benoit and collaborators in the mid-1970s. Currently, SANS is an important major technique used in studying network structure and behavior. Its importance lies in its being a direct method with which observations may be made at the molecular-length scale without the need for a theoretical model for interpreting the data. This feature makes neutron scattering a valuable tool for testing various molecular theories on which current understanding of elastomeric networks is based. The general features of the technique are explained in section 14.1, followed in section 14.2 by a review of relevant experimental work. Section 14.3 then describes different theories of neutron scattering from networks, and compares them with experimental results. The technique of neutron scattering and its application to polymers in the dilute and bulk states, to blends, and to networks are described in several review articles and a book. The reader is referred to this literature for a more comprehensive understanding of the technique and the underlying theory. The neutrons incident on a sample during a typical experiment are from a nuclear reactor. Neutrons leaving the source are first collimated so that they arrive at the sample in the form of plane waves. Figure 14.1 shows such an incident neutron wave on two scattering centers i and j. After interacting with the scattering centers, the neutrons move in various directions. In a neutron scattering experiment, the intensity of the scattered neutron wave is measured as a function of the angle θ shown in the figure, in which the vectors k0 and k are the wave propagation vectors for incident and scattered neutron rays, respectively. In general, the magnitudes of k0 and k differ if there is energy change upon scattering, and in this case the scattering is called inelastic. Inelastic scattering experiments are particularly useful in studying the dynamics of a system, such as relaxation or diffusion.
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Winter, Roland, and Anne Landwehr. "High-Pressure Effects on the Structure and Phase Behavior of Model Membrane Systems." In High Pressure Effects in Molecular Biophysics and Enzymology. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195097221.003.0021.

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Phospholipids, which provide valuable model systems for lipid membranes, display a variety of polymorphic phases, depending on their molecular structure and on environmental conditions. High hydrostatic pressure has been used as a physical parameter to study the thermodynamic properties and phase behavior of these systems. High pressure is also a characteristic feature of certain natural membrane environments. In the first part of this article, we review our recent work on the temperature- and pressure-dependent phase behavior of phospholipid systems differing in lipid conformation and headgroup structure. In the second part, we report on the determination of the (T, x, p) phase diagrams of binary phospholipid mixtures. An additional section deals with effects of incorporating ions, small amphiphilic molecules, and steroids into the bilayer on the experimental temperature- and pressure-dependent phase behavior of lipid systems. Finally, we discuss lamellar to nonlamellar thermotropic and barotropic phase transformations, which occur for a number of lipids, such as phosphatidylethanolamines, monoacylglycerides, and lipid mixtures. It has been suggested that nonlamellar lipid structures might play an important role as transient and local intermediates in a number of biochemical processes. High-pressure smallangle x-ray (SAXS) and neutron (SANS) scattering, differential scanning calorimetry (DSC), high-pressure differential thermal analysis (DTA), and p, V, T measurements have been used as experimental methods for the investigation of these systems. Lipid bilayer dispersions, in particular the phosphatidylcholines and phosphatidylethanolamines, are the workhorses for the investigation of biophysical properties of membrane lipids because they constitute the basic structural component of biological membranes. They exhibit a rich lyotropic and thermotropic phase behavior (Cevc & Marsh, 1987; Marsh, 1991; Yeagle, 1992). Most fully hydrated saturated phospholipid bilayers exhibit two principal thermotropic lamellar phase transitions, corresponding to a gel to gel (Lβ′–Pβ′) transition and a gel to liquid-crystalline (Pβ′–Lα) main transition at a temperature Tm. In the fluid-like La phase, the hydrocarbon chains of the lipid bilayers are conformationally disordered, whereas in the gel phases the hydrocarbon chains are more extended and relatively ordered.
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Conference papers on the topic "Small-Angle X-Ray and neutron scattering (SAXS/SANS)"

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Knott, R. B., Abarrul Ikram, Agus Purwanto, et al. "Membrane Structure Studies by Means of Small-Angle Neutron Scattering (SANS)." In NEUTRON AND X-RAY SCATTERING 2007: The International Conference. AIP, 2008. http://dx.doi.org/10.1063/1.2906088.

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Chu, Benjamin. "Laser Light Scattering of Polymer Solutions." In Photon Correlation and Scattering. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/pcs.1996.wb.1.

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Laser light scattering (LLS), small angle x-ray scattering (SAXS) and small angle neutron scattering (SANS) are complementary techniques.1 Together they become unmatched among the physical methods which can investigate the structure and dynamics of polymeric materials over a large range of length and time scales. The unique features of LLS are its ability to determine not only molecular weight, size and internal motions of polymers in solution or of colloids in suspension, but also the size distribution. The applications of LLS to polymer physics and colloid science have been extensive and not
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Putra, E. Giri Rachman, and Abdul Aziz Bin Mohamed. "Small-Angle Neutron Scattering (SANS) Facility at BATAN for Nanostructure Studies in Materials Science and Biology." In NEUTRON AND X-RAY SCATTERING IN ADVANCING MATERIALS RESEARCH: Proceedings of the International Conference on Neutron and X-Ray Scattering—2009. AIP, 2010. http://dx.doi.org/10.1063/1.3295588.

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Garvey, C. J., I. H. Parker, G. P. Simon, A. K. Whittaker, and R. B. Knott. "An Experimental Study by NMR and SANS of the Ambient Hydration of Paper." In The Science of Papermaking, edited by C. F. Baker. Fundamental Research Committee (FRC), Manchester, 2001. http://dx.doi.org/10.15376/frc.2001.1.359.

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The structural changes in fibre polymers and dispersion of water in the polymer have been studied at length scales less than 400 Å with contrast variation small angle neutron scattering (SANS) and solid state nuclear magnetic resonance (NMR). The SANS of hydrating paper samples is discussed in different angular regions in terms of a scattering wavenumber vector, q (q = 4π/λ . sin θ/2 where λ is the wavelength of the neutrons and θ is the scattering angle). At low q close to the neutron beam, the Guinier region, voids in the structure are found to disappear as the microfibrils swell with water.
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