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A dosimeter for long wave ultraviolet radiation

B L Diffey, A Davis, M Johnson

    The British Journal of Dermatology
    |August 1, 1977
    PubMed
    Summary
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    A new polymer film using phenothiazine can measure long wave ultraviolet radiation exposure. This stable and reproducible dosimeter is ideal for monitoring patients during photochemotherapy for psoriasis.

    Area of Science:

    • Polymer Science
    • Photochemistry
    • Radiation Dosimetry

    Background:

    • Long wave ultraviolet (UV) radiation exposure requires accurate monitoring, especially in medical treatments.
    • Photochemotherapy for psoriasis involves controlled UV radiation doses.
    • Existing dosimetry methods may have limitations in stability or reproducibility.

    Purpose of the Study:

    • To develop a novel polymer film dosimeter for long wave UV radiation.
    • To assess the stability and reproducibility of the developed dosimeter.
    • To evaluate its suitability for monitoring UV doses in photochemotherapy patients.

    Main Methods:

    • Incorporation of phenothiazine as a chromophore into a polymer film.
    • Characterization of the polymer film's properties.

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  • Testing the film's response to long wave UV radiation.

    • Main Results:

    • A stable and reproducible polymer film dosimeter was successfully developed.
    • The film incorporates phenothiazine, acting as the chromophore for UV detection.
    • The dosimeter demonstrated suitability for monitoring UV doses in photochemotherapy.

    Conclusions:

    • The phenothiazine-based polymer film is an effective personnel dosimeter for long wave UV radiation.
    • This dosimeter offers a stable and reproducible solution for medical applications.
    • It is particularly well-suited for monitoring patients undergoing photochemotherapy for psoriasis.