Results 11 to 20 of about 21,282 (312)

HERMES – a GUI-based software tool for pre-processing of X-ray absorption spectroscopy data from laboratory Rowland circle spectrometers

Journal of Synchrotron Radiation, 2022
HERMES, a graphical user interface software tool, is presented, for pre-processing X-ray absorption spectroscopy (XAS) data from laboratory Rowland circle spectrometers, to meet the data handling needs of a growing community of practice.
Marco E. Seddon-Ferretti, Lucy M. Mottram, Martin C. Stennett, Claire L. Corkhill, Neil C. Hyatt   +4 more
doaj   +1 more source

Synchrotron-Based Nano-XANES Reveals Intracellular Heterogeneity of Iron Species in Magnetotactic Bacteria

, 2021
This report demonstrates how scanning X-ray fluorescence microscopy (SXFM) and nanoscale X-ray absorption near-edge structure (nano-XANES) can spatially and chemically identify intracellular iron species at the single-cell level, creating an opportunity ...
Yeseul, Park, René, Uebe, Damien, Faivre, Daniel M, Chevrier, Elisa, Cerdá-Doñate, Miguel, Gomez-Gonzalez, Fernando, Cacho-Nerin   +6 more
core   +1 more source

Titanium substitution mechanisms in forsterite [PDF]

, 2007
Ti K-edge X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectra, together with atomic scale calculations, indicate that Ti occupies the Si site in anhydrous forsterite.
Herman, J., Walker, Andrew M., Hermann, Joerg, Walker, A., Gale, Julian D., Walker, A. M., Gale, J. D., Foran, Garry J, Berry, A. J., Berry, AJ, Foran, Garry J., Hermann, J, Foran, G., Hermann, J., Foran, G. J., O'Neill, HStC, Walker, AM, Foran, GJ, O'Neill, Hugh, Berry, A., Gale, Julian, Berry, Andrew John, Gale, Julian D, Walker, Andrew, Berry, Andrew J., O'Neill, Hugh St.C., O'Neil, H., Hermann, Jörg, O'Neill, HSt.C, Gale, JD, O'Neill, H. S.   +30 more
core   +1 more source

Manifold Projection Image Segmentation for Nano-XANES Imaging

, 2023
As spectral imaging techniques are becoming more prominent in science, advanced image segmentation algorithms are required to identify appropriate domains in these images.
Samantha, Tetef, Yong, Chu, Maria, Chan, Ajith, Pattammattel, Gerald, Seidler   +4 more
core   +1 more source

Pb speciation and elemental distribution in leeks by micro X-ray fluorescence and X-ray absorption near-edge structure

Journal of Synchrotron Radiation, 2023
Vegetables are crucial to a human diet as they supply the body with essential vitamins, minerals, etc. Heavy metals that accumulate in plants consequently enter the food chain and endanger people's health.
Jianling Sun, Yongqiang Yang, Liqiang Luo   +2 more
doaj   +1 more source

Pressure-induced coordination change of Ti in silicate glass: a XANES study [PDF]

, 1993
The effect of pressure on titanium coordination in glasses, with composition K2TiSi4O11, quenched isobarically from liquids equilibrated at high pressure (5, 10, 15, 20, 25, 30 kbar respectively) and T=1600° C has been investigated by X-ray absorption ...
DINGWELL D. B, C. Romano, A. Mottana, Dingwell, Donald B., E. Paris, Seifert, Friedrich, Mottana, Annibale, Romano, Claudia, PARIS E, Paris, Eleonora, D. B. Dingwell, SEIFERT F. A, F. A. Seifert   +12 more
core   +1 more source

Ultrafast X-ray Photochemistry at European XFEL: Capabilities of the Femtosecond X-ray Experiments (FXE) Instrument

Applied Sciences, 2020
Time-resolved X-ray methods are widely used for monitoring transient intermediates over the course of photochemical reactions. Ultrafast X-ray absorption and emission spectroscopies as well as elastic X-ray scattering deliver detailed electronic and ...
Dmitry Khakhulin, Florian Otte, Mykola Biednov, Christina Bömer, Tae-Kyu Choi, Michael Diez, Andreas Galler, Yifeng Jiang, Katharina Kubicek, Frederico Alves Lima, Angel Rodriguez-Fernandez, Peter Zalden, Wojciech Gawelda, Christian Bressler   +13 more
doaj   +1 more source

Coupling between γ-irradiation and synchrotron-radiation-based XAFS techniques for studying Mn-doped ZnO nanoparticles

Journal of Synchrotron Radiation, 2022
γ-Irradiation and synchrotron-radiation-based X-ray absorption fine-structure (XAFS) spectroscopy have been used to induce structure disorder through the interaction of γ-rays (200 kGy) with fabricated Mn-doped ZnO nanoparticles (NPs) and then to examine
N. G. Imam, Messaoud Harfouche, A. A. Azab, S. Solyman   +3 more
doaj   +1 more source

Accelerating Nano-XANES Imaging via Feature Selection

, 2023
We investigate feature selection algorithms to reduce experimental time of nanoscale imaging via X-ray Absorption Fine Structure spectroscopy (nano-XANES imaging).
Samantha, Tetef, Yong, Chu, Maria, Chan, Ajith, Pattammattel, Gerald, Seidler   +4 more
core   +1 more source

Synchrotron radiation Ca K-edge 2D-XANES spectroscopy for studying the stratigraphic distribution of calcium-based consolidants applied in limestones

Scientific Reports, 2020
In Heritage Science, the evaluation of stone consolidation treatments by investigating the nature of in situ newly formed products and their penetration depth within the consolidated matrix is a grand challenge.
Letizia Monico, Laura Cartechini, Francesca Rosi, Wout De Nolf, Marine Cotte, Riccardo Vivani, Celeste Maurich, Costanza Miliani   +7 more
doaj   +1 more source