J. Synchrotron Rad. (2009). 16, 443-454
[ doi:10.1107/S0909049509015684 ]

Surface-sensitive reflection-mode EXAFS from layered sample systems: the influence of surface and interface roughness

P. Keil and D. Lützenkirchen-Hecht

Synopsis: The influence of surface and interface roughness on grazing-incidence reflection-mode EXAFS spectra is evaluated in detail. An oxidized Cu thin film sample is discussed as an example.

Online 16 May 2009

 

J. Synchrotron Rad. (2009). 16, 455-462
[ doi:10.1107/S0909049509012291 ]

First observation of natural circular dichroism spectra in the extreme ultraviolet region using a polarizing undulator-based optical system and its polarization characteristics

M. Tanaka, K. Yagi-Watanabe, F. Kaneko and K. Nakagawa

Synopsis: Natural circular dichroism spectra in the extreme vacuum ultraviolet region down to a wavelength of 80 nm are observed for the first time using a polarizing undulator-based circular dichroism system.

Online 9 May 2009

 

J. Synchrotron Rad. (2009). 16, 463-468
[ doi:10.1107/S0909049509015519 ]

High-energy X-ray diffraction using the Pixium 4700 flat-panel detector

J. E. Daniels and M. Drakopoulos

Synopsis: The Pixium 4700 flat-panel detector has been characterized for use in high-energy X-ray diffraction experiments.

Online 12 May 2009

 

J. Synchrotron Rad. (2009). 16, 469-476
[ doi:10.1107/S090904950901886X ]

Multiple-element spectrometer for non-resonant inelastic X-ray spectroscopy of electronic excitations

R. Verbeni, T. Pylkkänen, S. Huotari, L. Simonelli, G. Vankó, K. Martel, C. Henriquet and G. Monaco

Synopsis: A multiple-analyser-crystal spectrometer for non-resonant inelastic X-ray scattering spectroscopy at beamline ID16 of the European Synchrotron Radiation Facility is presented.

Online 5 June 2009

 

J. Synchrotron Rad. (2009). 16, 477-483
[ doi:10.1107/S0909049509015428 ]

Short-term effects of synchrotron irradiation on vasculature and tissue in healthy mouse brain

C. Ricard, M. Fernández, J. Gastaldo, L. Dupin, L. Somveille, R. Farion, H. Requardt, J.-C. Vial, H. Elleaume, C. Segebarth and B. van der Sanden

Synopsis: A 15 Gy/79 keV focal synchrotron irradiation elicits no short-term modifications of the blood-brain-barrier permeability, vascular parameters and no apparition of gliosis in healthy mouse brain tissue.

Online 12 May 2009

 

J. Synchrotron Rad. (2009). 16, 484-488
[ doi:10.1107/S0909049509021384 ]

X-ray spectroscopic approaches to the investigation and characterization of photochemical processes

P. Kennepohl, E. C. Wasinger and S. DeBeer George

Synopsis: An in situ photochemical endstation for soft X-ray spectroscopy has been developed to allow for direct monitoring of photochemical processes using X-ray absorption spectroscopy.

Online 17 June 2009

 

J. Synchrotron Rad. (2009). 16, 489-493
[ doi:10.1107/S0909049509014733 ]

Synchrotron radiation hardness studies of PILATUS II

B. A. Sobott, Ch. Broennimann, E. F. Eikenberry, R. Dinapoli, P. Kraft, G. N. Taylor, P. R. Willmott, C. M. Schlepütz and R. P. Rassool

Synopsis: The radiation tolerance of a single-photon-counting hybrid pixel detector has been studied. An indicative exposure time required for radiation-induced departure from nominal behaviour is quoted in conjunction with compensation techniques.

Online 14 May 2009

 

J. Synchrotron Rad. (2009). 16, 494-497
[ doi:10.1107/S0909049509012345 ]

Local structure of uncapped and capped InGaN/GaN quantum dots

E. Piskorska-Hommel, Th. Schmidt, M. Siebert, T. Yamaguchi, D. Hommel, J. Falta and J. O. Cross

Synopsis: EXAFS studies of the local structure of as-grown and capped InGaN/GaN quantum dots.

Online 12 May 2009

 

J. Synchrotron Rad. (2009). 16, 498-504
[ doi:10.1107/S0909049509018986 ]

A new small-angle X-ray scattering set-up on the crystallography beamline I711 at MAX-lab

M. Knaapila, C. Svensson, J. Barauskas, M. Zackrisson, S. S. Nielsen, K. N. Toft, B. Vestergaard, L. Arleth, U. Olsson, J. S. Pedersen and Y. Cerenius

Synopsis: A new small-angle X-ray scattering set-up has been designed and constructed on a crystallography beamline at MAX-lab.

Online 17 June 2009

 

J. Synchrotron Rad. (2009). 16, 505-512
[ doi:10.1107/S0909049509019396 ]

A soft X-ray beamline for transmission X-ray microscopy at ALBA

E. Pereiro, J. Nicolás, S. Ferrer and M. R. Howells

Synopsis: The optical design of the soft X-ray beamline for transmission X-ray microscopy at the ALBA Light Source is presented.

Online 17 June 2009

 

J. Synchrotron Rad. (2009). 16, 513-523
[ doi:10.1107/S0909049509012928 ]

Portable multi-anvil device for in situ angle-dispersive synchrotron diffraction measurements at high pressure and temperature

Y. Le Godec, G. Hamel, V. L. Solozhenko, D. Martinez-Garcia, J. Philippe, T. Hammouda, M. Mezouar, W. A. Crichton, G. Morard and S. Klotz

Synopsis: A new portable multi-anvil device for in situ angle-dispersive synchrotron diffraction studies at pressures up to 25 GPa and temperatures up to 2000 K is described.

Online 15 May 2009

 

J. Synchrotron Rad. (2009). 16, 524-527
[ doi:10.1107/S0909049509020937 ]

A 1800 K furnace designed for in situ synchrotron microtomography

R. Grupp, F. Henkel, M. Nöthe, J. Banhart, B. Kieback and A. Haibel

Synopsis: A radiation furnace that covers the temperature range from room temperature up to 1800 K designed and constructed for in situ synchrotron microtomography is introduced. The furnace operates under a vacuum or under any inert gas atmosphere and achieves very fast heating and cooling rates.

Online 6 June 2009

 

J. Synchrotron Rad. (2009). 16, 528-532
[ doi:10.1107/S0909049509020032 ]

Speciation of zinc in secondary fly ashes of municipal solid waste at high temperatures

M. Yu, S. Tian, W. Chu, D. Chen, Q. Wang and Z. Wu

Synopsis: Components of secondary fly ashes, collected separately by heating municipal solid waste incinerators fly ashes at different high temperatures, have been characterized by different techniques. The chemical forms of zinc were investigated and compared in these fly ashes by means of X-ray absorption spectroscopy.

Online 3 June 2009

 

J. Synchrotron Rad. (2009). 16, 533-544
[ doi:10.1107/S0909049509012199 ]

Relationship between the structural distortion and the Mn electronic state in La_1-xCa_xMnO₃: a Mn K-edge XANES study

J. Chaboy

Synopsis: A critical re-examination of the Mn K-edge XANES edge-shift analyses in the intermediate La_1-xCa_xMnO₃ compounds is presented based in ab initio multiple-scattering computations.

Online 9 May 2009

 

J. Synchrotron Rad. (2009). 16, 545-552
[ doi:10.1107/S0909049509017063 ]

Impact of ketone and amino on the inner shell of guanine

Q. Zhu, F. Wang and E. Ivanova

Synopsis: Functional groups, such as ketone (C=O) and amino (NH₂), of DNA base guanine are removed one by one to give model molecules of hypoxanthine, 2-aminopurine and unsubstituted purine. The impact of the functional groups on the electronic properties, such as Hirshfeld charges, condensed Fukui functions and inner-shell ionization spectra, of the model molecules are studied and compared.

Online 19 May 2009

 

J. Synchrotron Rad. (2009). 16, 553-561
[ doi:10.1107/S0909049509012618 ]

Real-time non-invasive detection of inhalable particulates delivered into live mouse airways

M. Donnelley, K. S. Morgan, A. Fouras, W. Skinner, K. Uesugi, N. Yagi, K. K. W. Siu and D. W. Parsons

Synopsis: This study utilized synchrotron phase-contrast X-ray imaging (PCXI) to examine the in vitro detectability of a range of commonly inhaled particulates of which asbestos, fibreglass, quarry dust and the lead-containing mineral galena were found to be visible. These were then instilled into the airways of live anaesthetized mice, and their behaviour on the airway surface was analysed using PCXI.

Online 9 May 2009

 

J. Synchrotron Rad. (2009). 16, 562-572
[ doi:10.1107/S0909049509017920 ]

Advanced phase-contrast imaging using a grating interferometer

S. A. McDonald, F. Marone, C. Hintermüller, G. Mikuljan, C. David, F. Pfeiffer and M. Stampanoni

Synopsis: A grating-based differential phase-contrast (DPC) instrument has been fully integrated into the TOMCAT endstation environment of the Swiss Light Source, both in terms of fast acquisition and reconstruction. A range of imaging techniques are illustrated, from region-of-interest and widefield DPC tomography to darkfield imaging.

Online 2 June 2009

 

J. Synchrotron Rad. (2009). 16, 573-581
[ doi:10.1107/S0909049509016987 ]

Intracerebral delivery of 5-iodo-2'-deoxyuridine in combination with synchrotron stereotactic radiation for the therapy of the F98 glioma

J. Rousseau, J.-F. Adam, P. Deman, T.-D. Wu, J.-L. Guerquin-Kern, B. Gouget, R. F. Barth, F. Estève and H. Elleaume

Synopsis: Intracerebral delivery of IUdR in combination with synchrotron radiation therapy.

Online 28 May 2009

 

J. Synchrotron Rad. (2009). 16, 582-586
[ doi:10.1107/S0909049509012503 ]

A new method of creating minibeam patterns for synchrotron radiation therapy: a feasibility study

Y. Prezado, M. Renier and A. Bravin

Synopsis: A new method of creating minibeam patterns for synchrotron radiation therapy is presented. The success of the feasibility study of this method performed at the biomedical beamline at the European Synchrotron Radiation Facility opens the door to new medical research in minibeam radiation therapy.

Online 9 May 2009

 

J. Synchrotron Rad. (2009). 16, 587-590
[ doi:10.1107/S0909049509012485 ]

First trial of spatial and temporal fractionations of the delivered dose using synchrotron microbeam radiation therapy

R. Serduc, E. Bräuer-Krisch, A. Bouchet, L. Renaud, T. Brochard, A. Bravin, J. Laissue and G. Le Duc

Synopsis: Microbeam radiation therapy with synchrotron radiation for treating brain gliomas: temporal fractionation study of the delivered therapeutic dose.

Online 12 May 2009

 

J. Synchrotron Rad. (2009). 16, 591-594
[ doi:10.1107/S0909049509019839 ]

Differential EXAFS analysis using DEXA

M. P. Ruffoni

Synopsis: Differential EXAFS is a new XAS technique dedicated to directly measuring the tiny atomic displacements that arise from such strain-inducing phenomena as magnetostriction, piezoelectricity and thermal expansion. These new experiments have presented the need for new analysis tools to extract and quantify the measured atomic strains, a need that has been addressed by the development of the DEXA code.

Online 28 May 2009

 

J. Synchrotron Rad. (2009). 16, 595-596
[ doi:10.1107/S0909049509021359 ]

A video camera system for coaxial observation of a sample with an incident soft X-ray beam

T. Muro, Y. Kato, T. Kinoshita and Y. Watanabe

Synopsis: A video camera system for observing a sample from the direction of an incident soft X-ray beam has been developed for efficient positioning of samples in the beam position.

Online 17 June 2009

 

J. Synchrotron Rad. (2009). 16, 597-599
[ doi:10.1107/S0909049509021748 ]

Current events

Online 17 June 2009