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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rivera, T. Correcher, V. Roman-Lopez, J. Garcia-Guinea, J. Lozano, I. B. |
| Description | Author Affiliation: Roman-Lopez J ( CICATA-IPN, Legaria 694, 11500 México D.F., México); Correcher V ( CIEMAT, Av. Complutense 22, 28040 Madrid, Spain.); Garcia-Guinea J ( Museo Nacional de Ciencias Naturales (CSIC), Jose Gutierrez Abascal 2, 28006 Madrid, Spain.); Rivera T ( CICATA-IPN, Legaria 694, 11500 México D.F., México.); Lozano IB ( CICATA-IPN, Legaria 694, 11500 México D.F., México.) |
| Abstract | The luminescence (cathodoluminescence and thermoluminescence) properties of natural bones (Siberian mammoth and adult elephant), commercial hydroxyapatite and collagen were analyzed. Chemical analyses of the natural bones were determined using by Electron Probe Micro-Analysis (EMPA). Structural, molecular and thermal characteristics were determined by X-ray Diffraction (XRD), Raman spectroscopy and Differential Thermal and Thermogravimetric analysis (DTA-TG). Cathodoluminescence (CL) spectra of natural bones and collagen showed similar intense broad bands at 440 and 490 nm related to luminescence of the tetrahedral anion [Formula: see text] or structural defects. A weaker luminescence exhibited at 310 nm could be attributed to small amount of rare earth elements (REEs). Four luminescent bands at 378, 424, 468 and 576 nm were observed in the commercial hydroxyapatite (HAP). Both natural bones and collagen samples exhibited natural thermoluminescence (NTL) with well-defined glow curves whereas that the induced thermoluminescence (ITL) only appears in the samples of commercial hydroxyapatite and collagen. Additional explanations for the TL anomalous fading of apatite, as a crucial difficulty performing dosimetry and dating, are also considered. |
| ISSN | 13861425 |
| Volume Number | 120 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bone And Bones Chemistry Collagen Durapatite Animals Cattle Elephants Luminescence Luminescent Measurements Mammoths Spectrum Analysis, Raman X-ray Diffraction Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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