X-ray Spectrometry / Ezine
Comparisons of ancient mortars and hydraulic cements through in situ analyses by portable X-ray fluorescence spectrometry
Date: Apr 12, 2010
Author:
A portable X-ray fluorescence spectrometer was used to collect elemental data on various mortars and hydraulic cements at an excavation site near Orvieto, Italy.
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Filling in the gaps in toxic dentistry
Date: Apr 1, 2010
Author: David Bradley
A new X-ray study on the chemistry of the common silver-coloured, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought.
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Feverish New World X-ray
Date: Mar 15, 2010
Author: David Bradley
X-ray crystallography has allowed US researchers to discover exactly how one type of New World haemorrhagic fever virus latches on to and infects human cells. The work offers a much-needed lead for new treatments.
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Flight feather shaft structure of two warbler species with different moult schedules: a study using high-resolution X-ray imaging
Date: Mar 8, 2010
Author:
Micro-computed tomography imaging was used to study the second moment of area, a structural parameter that is one determinant of bending stiffness and the cortex volume of flight feather shafts of two related warbler species
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Bucky eggs cracked
Date: Mar 1, 2010
Author: David Bradley
Unusual egg-shaped fullerene molecules are rulebreakers because they do what no other fullerenes seem to do - fuse three pentagons of carbon atoms, according to chemists in China. The discovery of these molecules could lead to new insights into fullerene chemistry as well as offering new opportunities for synthesising novel materials.
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Twenty-year old HIV problem solved
Date: Feb 15, 2010
Author: David Bradley
X-ray diffraction has led to a breakthrough in our understanding of an important aspect of the human immunodeficiency virus (HIV). The structural results lay bare a problem a solution to which had eluded scientists for more than two decades. It has the potential to one day produce better treatments for HIV/AIDS.
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Advisability of X-ray fluorescence analysis of dry residue of cow milk applied to monitor environment
Date: Feb 8, 2010
Author:
An X-ray fluorescence procedure was employed to determine the contents of 17 elements in a dry residue of cow milk.
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A metal sponge for cleaning up nuclear waste
Date: Feb 1, 2010
Author: David Bradley
An inorganic complex with an open framework can selectively trap caesium ions, including its 137 isotope, one of the most significant radioactive isotopes left behind after the Chernobyl nuclear reactor fire and a residual source of lethal radiation in the nuclear industry.
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Chaperone protects the heart
Date: Jan 15, 2010
Author: David Bradley
The protein Alda-1 repairs a common enzyme mutation. Without this repair those affected by the mutation can have a debilitating reaction to alcohol that increases their risk of certain types of cancer and may even promote some neurodegenerative diseases. Now, X-ray crystallography has revealed important details about its form and function.
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Microstructural parameters in electron-irradiated C108 silk fibers by wide-angle X-ray scattering studies
Date: Jan 11, 2010
Author:
The present study looks into the microstructural changes in C108 (Bombyx mori) silk fibers, induced by electron irradiation.
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