Production and Basic Application of Uracil Dosimeters for Measuring
the Biologically Effective UV Dose*
Tibor Kerékgyártó, Pál Gróf and Györgyi
Rontó
Institute of Biophysics, Semmelweis University of Medicine, Budapest, Hungary
Corresponding author: T. Kerékgyártó
Institute of Biophysics,
H-1444, Budapest
PO Box 263
Hungary
CEJOEM 1997, 3:143-152
*This research was sponsored by grants from
the European Community, “BIODOS”, ENV4-CT95-0044, “UVB CELLS”, ENV4-CT95-0174,
OMFB, EU-96-C6-005, PHARE, HU-9305-02/1084, the European Community Research
and Development grant No.: EV5VCT910034, and by a grant from the Hungarian
Ministry of Welfare (ETT, T-08 328/93). The financial support and the thorough
installation work of the Edwards Auto 306 Vacuum Coating are gratefully
acknowledged to the personnel of the Edwards Ltd.
Key words:
Uracil thin layer, vacuum evaporation, UV dosimetry, biologically effective
UV radiation
Abbreviations:
CIE: Committee International de l’Éclairage;
DMSO: dimethyl-sulfoxide;
EL: Exposure Limit;
IRPA/INIRC: International Radiation Protection Association/International
Non-Ionizing Radiation Committee;
MED: Minimal Erythemal Dose;
RB: Robertson-Berger type UV-meter;
UV: ultraviolet.
Abstract:
The uracil dosimeter developed earlier in our institute has been found
to be suitable for the long-term monitoring of the environmental UV-B radiation.
For network monitoring, the production of a large number of sensors with
good quality became necessary. A vacuum coating device, the Auto 306 Vacuum
Coater from Edwards Ltd. West Sussex, with appropriate technical modification
in source-heating and target arrangement was used to increase the number
and quality of the uracil dosimeters. The improvements introduced by us
resulted in higher reproducability and accuracy of the uracil thin layer
parameters. Examples of application in outdoor and laboratory measurements
are presented.
Received: 13 February 1997
Accepted: 08 May 1997
Posted: 29 November 1998 |
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