Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

New Developments in Instrumentation for X-ray and Neutron Fibre Diffraction Experiments

Shotton, M. W., Pope, L. H., Forsyth, V. T., Denny, R. C., Archer, J., Langan, P., Ye, H. and Boote, Craig 1998. New Developments in Instrumentation for X-ray and Neutron Fibre Diffraction Experiments. Journal of Applied Crystallography 31 (5) , pp. 758-766. 10.1107/S0021889898005287

Full text not available from this repository.

Abstract

New instrumentation has been developed for use in X-ray and neutron fibre diffraction studies to provide automated control of sample position, orientation and ambient relative humidity. A sample mount system has been constructed for the Keele fibre diffraction camera on beamline 7.2 at the Daresbury Laboratory synchrotron radiation source. This allows the sample position and orientation to be controlled remotely, without disturbing the sample environment or the detector, and permits the implementation of efficient data-collection strategies. The system can be used to record entire datasets without incurring any loss of data in the meridional region of the diffraction pattern and has also been used to record three-dimensional datasets from fibres exhibiting `double orientation'. The design incorporates a translation feature so that the effects of radiation damage during data collection can be minimized. An automated humidity control system has also been constructed and can be used in either X-ray or neutron fibre diffraction studies where the water content of samples is a critical parameter and careful control of the relative humidity of the sample environment is required. This system allows the relative humidity to be controlled according to a pre-programmed set of instructions and alleviates some of the common problems that are encountered with conventional methods that require the use of saturated salt solutions. The system is currently installed on instrument D19 at the Institut Laue-Langevin, Grenoble. Results illustrating the application of these facilities in high-angle fibre diffraction studies of DNA are presented.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Optometry and Vision Sciences
Subjects: R Medicine > R Medicine (General)
Publisher: International Union of Crystallography
ISSN: 0021-8898
Last Modified: 04 Jun 2017 05:05
URI: http://orca.cf.ac.uk/id/eprint/48273

Citation Data

Cited 26 times in Google Scholar. View in Google Scholar

Cited 14 times in Scopus. View in Scopus. Powered By Scopus® Data

Actions (repository staff only)

Edit Item Edit Item