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https://hdl.handle.net/10316/105437
Title: | The impact of moderate heating on human bones: an infrared and neutron spectroscopy study | Authors: | Marques, Maria P. M. Batista de Carvalho, L. A. E. Gonçalves, D. Cunha, E. Parker, S. F. |
Keywords: | human bones; moderate heating; aerobic versus anaerobic heating; FTIR-ATR; INS; forensic and archaeological sciences | Issue Date: | Oct-2021 | Publisher: | The Royal Society | Project: | UIDB/00070/2020 The STFC Rutherford Appleton Laboratory is thanked for access to neutron beam facilities (TOSCA/RB2010012 and MAPS/RB2010018, DOIs 10.5286/ISIS.E.RB2010012 and 10.5286/ISIS.E.RB2010018) |
Serial title, monograph or event: | Royal Society Open Science | Volume: | 8 | Issue: | 10 | Abstract: | This study aims to analyse human bones exposed to low/medium temperatures (200-650°C) under experimentally controlled conditions, both oxidizing and reducing, using complementary optical and neutron vibrational spectroscopy techniques. Clear differences were observed between the aerobically and anaerobically heated bones. The organic constituents disappeared at lower temperatures for the former (ca 300°C), while they lingered for higher temperatures in anaerobic environments (ca 450-550°C). Unsaturated non-graphitizing carbon species (chars) were detected mainly for anaerobically heated samples, and cyanamide formation occurred only at 650°C in reducing settings. Overall, the main changes were observed from 300 to 400°C in anaerobic conditions and from 450 to 500°C in aerobic environments. The present results enabled the identification of specific spectroscopic biomarkers of the effect of moderate temperatures (less than or equal to 650°C) on human bone, thus contributing to a better characterization of forensic and archaeological skeletal remains subject to heating under distinct environmental settings. In particular, these data may provide information regarding cannibalism or ancient bone boiling and defleshing rituals. | URI: | https://hdl.handle.net/10316/105437 | ISSN: | 2054-5703 | DOI: | 10.1098/rsos.210774 | Rights: | openAccess |
Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais I&D CFE - Artigos em Revistas Internacionais FCTUC Ciências da Vida - Artigos em Revistas Internacionais I&D CIAS - Artigos em Revistas Internacionais |
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