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ForMAX - a beamline for multiscale and multimodal structural characterization of hierarchical materials

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Benign synthesis of quinolinecarboxamide ligands, H(2)bqbenzo and H(2)bqb and their Pd(II) complexes: X-ray crystal structure, electrochemical and antibacterial studies

Farzaneh Fadaei Tirani, Maryam Bagheri

Two carboxamide ligands, H(2)bqbenzo {3,4-bis(2-quinolinecarboxamido)benzophenone} and H(2)bqb {N,N-bis[(2-quinolinecarboxamide)-1,2-benzene]}, have been prepared using tetrabutylammonium bromide as an environmentally benign reaction medium. Two new Pd(II) ...

Taylor & Francis Ltd2017

X‑ray and Neutron Scattering of Water

Livia Eleonora Bove Kado

This review article focuses on the most recent advances in X-ray and neutron scattering studies of water structure, from ambient temperature to the deeply supercooled and amorphous states, and of water diffusive and collective dynamics, in disparate thermo ...

American Chemical Society2016

Crystalline and Soft Materials Based on Dative Boron-Nitrogen Bonds

Nicolas Luisier

The thesis describes the utilization of dative boron-nitrogen bond is used for the construction of new materials. In chapter 2.1, the synthesis of new organogels based on bisimidazolyl ligands and diboronate esters is described. Gels with a critical gel co ...

EPFL2016

Virtual reading of a large ancient handwritten science book

Giorgio Margaritondo, Frédéric Kaplan, Alessandra Patera, Fauzia Albertin, Marco Stampanoni

We present a fundamental development step of a new technique to read and digitize ancient handwritten documents. Chemical analysis by x-ray fluorescence and x-ray tomography enabled us to decipher words and drawings from inside a closed, 200-pages 18 th ce ...

Elsevier2016

Syntheses, characterizations, X-ray crystal structures, and antibacterial activities of Co( II), Ni( II), and Zn( II) complexes of the Schiff base derived from 5-nitro-2hydroxybenzaldehyde and benzylamine

Kurt Schenk

Three new complexes, [(CoL2)-L-II(bzln)(2)] (1), [(NiL2)-L-II(DMF)(2)] (2), and [(ZnL2)-L-II] (3), with the bidentate (NO) Schiff base HL=2-((E)-(benzylimino)methyl)-4-nitrophenol have been synthesized and characterized. [(CoL2)-L-II(bzln)(2)] (1) was init ...

Taylor & Francis Ltd2015

Total Syntheses of (−)-Mersicarpine, (−)-Scholarisine G, (+)-Melodinine E, (−)-Leuconoxine, (−)-Leuconolam, (−)-Leuconodine A, (+)-Leuconodine F, and (−)-Leuconodine C: Self-Induced Diastereomeric Anisochronism (SIDA) Phenomenon for Scholarisine G and Leuconodines A and C

Qian Wang, Jieping Zhu, Zhengren Xu

Enantioselective total syntheses of title natural products from a common cyclohexenone derivative (S)-18 were reported. Ozonolysis of (S)-18 afforded a stable diketo ester (R)-17 that was subsequently converted to two skeletally different natural products, ...

Amer Chemical Soc2015

Lattice dynamics and antiferroelectricity in PbZrO3 tested by x-ray and Brillouin light scattering

Nava Setter, Alexander Tagantsev, Kaushik Vaideeswaran

We report the results of a comprehensive study of the critical dynamics of the classical perovskite antiferroelectric PbZrO3. The combination of inelastic x-ray and diffuse x-ray scattering techniques and Brillouin light scattering was used. It is found th ...

American Physical Society2014

'Seeing' Atoms: The Crystallographic Revolution

Dieter Schwarzenbach

Laue's experiment in 1912 of the diffraction of X-rays by crystals led to one of the most influential discoveries in the history of science: the first determinations of crystal structures, NaCl and diamond in particular, by W. L. Bragg in 1913. For the fir ...

Swiss Chemical Soc2014

Optical microscopy for imaging through scattering media

Xin Yang

Optical microscopy has been widely used in the life sciences and biological research for several decades. It possesses many advantages over x-ray radiography, computed tomography, ultrasound imaging and magnetic resonance imaging, in terms of being low cos ...

EPFL2014

X-ray micro-diffraction studies of heterogeneous interfaces between cementitious materials and geological formations

Philip Pattison

In the present study the challenge of analyzing complex micro X-ray diffraction (microXRD) patterns from cement clay interfaces has been addressed. In order to extract the maximum information concerning both the spatial distribution and the crystal structu ...

Pergamon-Elsevier Science Ltd2014

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