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Characterisation and evaluation of a miniaturised polyphenylene oxide dosimeter for ultraviolet exposures

Paper ID Volume ID Publish Year Pages File Format Full-Text
30634 44494 2013 6 PDF Available
Title
Characterisation and evaluation of a miniaturised polyphenylene oxide dosimeter for ultraviolet exposures
Abstract

Dosimeters are used in measuring received ultraviolet (UV) radiation by humans and plants. Previously dosimeters 3.0 cm × 3.0 cm weighing 0.6 g, using poly(2,6-dimethyl-1,4-phenylene oxide) (PPO)1 as the photoactive material have been used. A smaller 1.0 cm × 1.5 cm flexible PPO dosimeter weighing 0.05 g has been developed and characterised in this research. Laboratory and field studies show that the miniaturised dosimeter measures comparative results to the larger dosimeters for cosine response, dark reaction and dose response. The smaller, flexible dosimeters are also more applicable for use on curved surfaces and have less impact on the orientation of plant leaves due to their decreased mass. This research has also shown that miniaturised PPO dosimeters can be successfully employed on plant and human subjects to accurately determine biologically active UV distributions. The miniaturised PPO dosimeters allow for more measurements over an exposed area and the PPO film allows for measurements to be made for periods longer than 1 day. The combination of smaller size and longevity of the photoactive material allows for more flexibility in future UV field research resulting in an increase in the potential number of environments where UV dosimeters can be deployed.

► Successful characterisation of miniaturised PPO dosimeters. ► Results in field research were consistent with large PPO dosimeters. ► Can be used to determine biologically effective UV on both plant and human subjects.

Keywords
Dosimeter; Erythemal; UV; UVB; Polyphenylene oxide (PPO)
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Characterisation and evaluation of a miniaturised polyphenylene oxide dosimeter for ultraviolet exposures
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 120, 5 March 2013, Pages 98–103
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us