X-ray @ spectroscopyNOW

The X-ray spectrometry channel covers all aspects of research into techniques using X-ray fluorescence (XRF), X-ray diffraction (XRD) and crystallography used in material science, protein analysis, art and archaeology research, environmental analysis, biotechnology and pharmaceutical analysis. 

Monthly Highlight

Last Month's Most Accessed Feature: Arrestin development: X-ray laser signalling clues

New details of an integral component in the human body's cellular switchboard that regulates sensory and hormonal responses have been revealed by scientists using SLAC's ultrabright X-ray laser.The discovery could have broad implications on the development of more highly targeted and effective drugs with fewer side effects for high blood pressure, diabetes, depression, and even some types of cancer.

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2015 Free Sample Issues of Key Analytical Science Journals

The 2015 free sample issues of all our Analytical Chemistry journals are now available!

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Monthly Digest

thumbnail image: Download the New App: specNOW & sepNOW<br/>Monthly Digest

Download today to your smartphone or tablet and access a monthly compendium of ezine highlights from spectroscopyNOW and separationsNOW in a clear, easy-to-read format.                                             June Edition now available.

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Two evaluation functions are proposed for the reconstructed electron-density images in X-ray crystallography, the first based on the atomicity of the electron-density distribution and properties of Fourier synthesis and the second based on the positivity of electron density and constrained power spectrum entropy maximization.

Protein flexibility is essential for enzymatic turnover, signalling regulation and protein-protein interactions. Now, diffuse X-ray scattering has been used to help report correlated atomic displacements in proteins.

The crystal structure of a metal can change at linear defects and so alter its properties according to new research from scientists in Germany.

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We are proud to announce a new series of educational webinars run in collaboration with Chromedia, COAST, and SciMind, a product of the American Chemical Society. These webinars will build into a must-have set of tutorial materials for the analytical scientist.

In this article, the late Ron Jenkins, formerly of the International Center for Diffraction Data provides a brief but comprehensive overview of modern X-ray techniques.

The 1962 book, Fifty Years of X-Ray Diffraction, dedicated to the International Union of Crystallography on the occasion of the commemoration meeting in Munich, July 1962, by P.P. Ewald (editor), and numerous crystallographers has been digitized and put on the web as a free site by the ICU.

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X-Ray Spectrometry is devoted to the rapid publication of papers dealing with the theory and application of x-ray spectrometry using electron, x-ray photon, proton, γ and γ-x sources.

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There is water on Mars, beneath the surface

Steve Down

Sep 28, 2015

Scientists have confirmed that water exists on Mars, flowing under the surface in a pattern that increases during the warm season and decreases in cooler times.

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Pittcon 2014 Editors' Gold Award – Texas Instruments

Date: Mar 10, 2014

Eileen Skelly Frame talks with this year's Pittcon Editors' Award Gold winners, Texas Instruments, about their DLP NIR scan technology.

thumbnail image: Pittcon 2014 Editors' Gold Award – Texas Instruments
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