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- Title
QUANTITATIVE AND QUALITATIVE ANALYSIS OF FLUORIDE AND MULTI ELEMENTS OF SHARK TEETH BY PIXE.
- Authors
SAKURAI, S.; ASAKAWA, R.; HIROTA, F.; SATO, T.; SERA, K.; ITOH, J.
- Abstract
Biomineralization has two types, biologically induced mineralization (BIM) and biologically controlled mineralization (BCM). Shark teeth is a typical representative of BCM. We have measured concentrations of fluorine and multi elements in shark teeth collected in the south of Japan. As a result, it was confirmed that the sample preparation method, which was established for the biological samples, is applicable to the shark teeth samples and the elemental concentration was obtained in good accuracy and reproducibility. Moreover, we clarified that the shark teeth is composed of Fluorapatite by the combination with X-ray Diffraction. Fluorine concentration is found to be 5500 µg/g in the shark teeth. We have 100 samples of Shark teeth and are planning on reporting the findings of a study with larger samples in the near future.
- Subjects
BIOMINERALIZATION; MINERALS in the body; PROTON-induced X-ray emission; QUANTITATIVE research; QUALITATIVE chemical analysis; PHYSIOLOGICAL effects of fluorides
- Publication
International Journal of PIXE, 2008, Vol 18, Issue 3/4, p123
- ISSN
0129-0835
- Publication type
Article
- DOI
10.1142/S0129083508001466