Journal ArticleDOI
Small‐Angle Scattering of X‐Rays
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This article is published in Physics Today.The article was published on 1956-08-01. It has received 4612 citations till now. The article focuses on the topics: Biological small-angle scattering & Scattering.read more
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Universality of scaled structure functions in quenched systems undergoing phase separation
Peter Fratzl,Joel L. Lebowitz +1 more
TL;DR: In this article, a novel heuristic formula for the scaled structure function following a quench into the miscibility gap is presented, which gives very good fits to a variety of experimental observations.
Journal ArticleDOI
The molecular basis of aging of aqueous silica gel
Peter W.J.G. Wijnen,Theo P. M. Beelen,Kees P.J. Rummens,Han C.P.L Saeijs,Jan W. de Haan,Leo J. M. van de Ven,Rutger A. van Santen +6 more
TL;DR: In this paper, the influence of aging on the local structure of aqueous silica gels has been investigated using small angle X-ray scattering (SAXS), solid state nuclear magnetic resonance (NMR), and nitrogen sorption techniques (BET).
Journal ArticleDOI
Complementary methods for cluster size distribution measurements: supported platinum nanoclusters in methane reforming catalysts
José M. Ramallo-López,Félix G. Requejo,Aldo F. Craievich,Junmei Wei,Miguel Avalos-Borja,Enrique Iglesia +5 more
TL;DR: In this article, X-ray absorption and small angle Xray scattering techniques were used to measure the size of Pt metal nanoclusters and the results were compared with H2 chemisorption and transmission electron microscopy data, suggesting that catalytic consequences of cluster size arise from surface structure changes leading to coordinative unsaturation of surface atoms.
Journal ArticleDOI
Docking and small angle X-ray scattering studies of purine nucleoside phosphorylase.
Walter Filgueira de Azevedo,Giovanni César Santos,Denis Marangoni dos Santos,J.R. Olivieri,J.R. Olivieri,Fernanda Canduri,Fernanda Canduri,Rafael G. Silva,Luiz Augusto Basso,Gaby Renard,Isabel Da Fonseca,Maria Anita Mendes,Maria Anita Mendes,Mário Sérgio Palma,Mário Sérgio Palma,Diógenes Santiago Santos +15 more
TL;DR: The integration of geometric docking with SAXS is described to investigate the quaternary structure of recombinant human purine nucleoside phosphorylase (PNP), which confirms the trimeric structure observed in the crystal.
Journal ArticleDOI
Structural meta-analysis of regular human insulin in pharmaceutical formulations.
Maely P. Fávero-Retto,Leonardo C. Palmieri,Tatiana de Arruda Campos Brasil de Souza,Fabio C. L. Almeida,Fabio C. L. Almeida,Luís Maurício T.R. Lima,Luís Maurício T.R. Lima +6 more
TL;DR: Meta-analysis of the 24 crystal structures solved from the four distinct insulin products revealed close similarity between them regardless of variables such as biological origin, product batch, country origin of the product, and analytical approach, revealing a low conformational variability for the converging insulin structural ensemble.
References
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Statistical Mechanics of Fluid Mixtures
TL;DR: In this paper, the chemical potentials of the components of gas mixtures and liquid solutions are obtained in terms of relatively simple integrals in the configuration spaces of molecular pairs, and the molecular pair distribution functions appearing in these integrals are investigated in some detail, in their dependence upon the composition and density of the fluid.
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The optical principles of the diffraction of x-rays.
TL;DR: In this paper, Bragg et al. describe the Optik der R6ntgenstrahlen in Raumgitter and leitet damit fiber zu den experimentellen Methoden and Ergebn]ssen, die den folgenden B~nden vorbehalten bleiben.
Journal ArticleDOI
Small-Angle X-Ray Scattering
W. Ehrenberg,A. Franks +1 more
TL;DR: The neighbourhood of the direct beam is, for a variety of reasons, easily obscured by scattered radiation and insufficient collimation, so that special measures such as very long film-specimen distances or focusing crystal monochromators have been used for obtaining satisfactory photographs.