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Neutron activation analysis of trace elements in Japanese hormesis cosmetics

  • Biochemistry and Biomedicine
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Abstract

In Japan, cosmetics claiming hormesis effect are available through Internet. Although these cosmetics show the contents, they never mention the minor elements and radioactive sources. The existence of radioisotopes, however, was observed by measurements of the gamma-rays with a HPGe detector. In this study, in order to clarify the contents of trace elements, the hormesis cosmetics including radioactive sources were analyzed using INAA, PGAA and NAA with multiple gamma-ray detection (NAAMG). Nineteen elements were analyzed quantitatively in hormesis cosmetics by INAA, PGAA and NAAMG and 16 elements were detected qualitatively by SEM-EPMA.

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Authors and Affiliations

  1. Ochanomizu University, 2-1-1 Ohtsuka, Bunkyo-ku, Tokyo, 112-8610, Japan

    E. Furuta

  2. Tokyo Metropolitan University, 1-1 Minamiohsawa, Hachioji-shi, Tokyo, 192-0397, Japan

    H. Nakahara

  3. Japan Atomic Energy Agency, 2-4 Shirakata shirane, Tokaimura, Ibaraki, 319-1195, Japan

    Y. Hatsukawa & H. Matsue

  4. SHI Examination and Inspection, Ltd., 1501 Imazaike, Saizyo-shi, Ehime, 799-1393, Japan

    H. Sakane

Authors
  1. E. Furuta
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  2. H. Nakahara
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  3. Y. Hatsukawa
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  4. H. Matsue
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  5. H. Sakane
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Correspondence to E. Furuta.

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Furuta, E., Nakahara, H., Hatsukawa, Y. et al. Neutron activation analysis of trace elements in Japanese hormesis cosmetics. J Radioanal Nucl Chem 278, 553–557 (2008). https://doi.org/10.1007/s10967-008-1004-0

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  • DOI: https://doi.org/10.1007/s10967-008-1004-0

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