Recent developments in using the molecular decay dating method: a review.
Amber
/ chemistry
Animals
Archaeology
/ methods
Bone and Bones
/ chemistry
Charcoal
/ chemistry
Hair
/ chemistry
History, Ancient
Humans
Organic Chemicals
/ analysis
Paper
Plant Bark
/ chemistry
Preservation, Biological
Radiometric Dating
/ methods
Skin
/ chemistry
Spectroscopy, Fourier Transform Infrared
Time Factors
Wood
/ chemistry
FTIR spectroscopy
archaeometry
organic matter
taphonomy
Journal
Annals of the New York Academy of Sciences
ISSN: 1749-6632
Titre abrégé: Ann N Y Acad Sci
Pays: United States
ID NLM: 7506858
Informations de publication
Date de publication:
06 2021
06 2021
Historique:
revised:
09
12
2020
received:
23
09
2020
accepted:
18
12
2020
pubmed:
15
1
2021
medline:
31
7
2021
entrez:
14
1
2021
Statut:
ppublish
Résumé
The dating of organic findings is a fundamental task for many scientific fields. Radiocarbon dating is currently the most commonly used method. For wood, dendrochronology is another state-of-the-art method. Both methods suffer from systematic restrictions, leading to samples that have not yet been able to be dated. Molecular changes over time are reported for many materials under different preservation conditions. Many of them are intrinsically monotonous. These monotonous molecular decay (MD) patterns can be understood as clocks that start at the time when a given molecule was formed. Factors that influence these clocks include input material composition and preservation conditions. Different wood species, degrees of pyrolysis, and pretreatments lead to different prediction models. Preservation conditions might change the speed of a given clock and lead to different prediction models. Currently published models for predicting the age of wood, paper, and parchment depend on infrared spectroscopy. In contrast to radiocarbon dating, dating via MD does not comprise a single methodology. Some clocks may deliver less precise results than the others. Ultimately, developing a completely different, new dating strategy-such as MD dating-will help to bring to light a treasure trove of information hidden in the darkness of organic findings.
Identifiants
pubmed: 33442875
doi: 10.1111/nyas.14560
pmc: PMC8247969
doi:
Substances chimiques
Amber
0
Organic Chemicals
0
Charcoal
16291-96-6
Types de publication
Historical Article
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
29-40Informations de copyright
© 2021 The Authors. Annals of the New York Academy of Sciences published by Wiley Periodicals LLC on behalf of New York Academy of Sciences.
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