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Göran Skog

Göran Skog

Senior lecturer

Göran Skog

Bomb-pulse (14)C analysis combined with (13)C and (15)N measurements in blood serum from residents of Malmö, Sweden.

Author

  • Elisavet Georgiadou
  • Kristina Stenström
  • Cintia Bertacchi Uvo
  • Peter Nilsson
  • Göran Skog
  • Sören Mattsson

Summary, in English

The (14)C content of 60 human blood serum samples from residents of Malmö (Sweden) in 1978, obtained from a biobank, has been measured to estimate the accuracy of (14)C bomb-pulse dating. The difference between the date estimated using the Calibomb software and sampling date varied between -3 ± 0.4 and +0.2 ± 0.5 years. The average age deviation of all samples was -1.5 ± 0.7 years, with the delay between production and consumption of foodstuffs being probably the dominating cause. The potential influence of food habits on the (14)C date has been evaluated using stable isotope δ(13)C and δ(15)N analysis and information about the dietary habits of the investigated individuals. Although the group consisting of lacto-ovo vegetarians and vegans (pooled group) was not completely separated from the omnivores in a stable isotopic trophic level diagram, this analysis proved to add valuable information on probable dietary habits. The age deviation of the sampling date from the respective Calibomb date was found strongly correlated with the δ(13)C values, probably due to influence from marine diet components. For the omnivore individuals, there were indications of seasonal effects on δ(13)C and the age deviation. No significant correlation was found between the age deviation and the δ(15)N values of any dietary group. No influence of sex or year of birth was found on neither the (14)C nor the δ(13)C and δ(15)N values of the serum samples. The data were also divided into two groups (omnivores and pooled group), based on the level of δ(15)N in the samples. The consumption of high δ(15)N-valued fish and birds can be responsible for this clustering.

Department/s

  • Nuclear physics
  • Division of Water Resources Engineering
  • Quaternary Sciences
  • Medical Radiation Physics, Malmö
  • MERGE: ModElling the Regional and Global Earth system

Publishing year

2013

Language

English

Pages

175-187

Publication/Series

Radiation and Environmental Biophysics

Volume

52

Issue

2

Document type

Journal article review

Publisher

Springer

Topic

  • Radiology, Nuclear Medicine and Medical Imaging

Status

Published

Research group

  • Medical Radiation Physics, Malmö

ISBN/ISSN/Other

  • ISSN: 1432-2099