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Radiocarbon Map of a Bomb-Peak Labeled Human Eye

Published online by Cambridge University Press:  25 July 2019

Laszlo Rinyu ,
Robert Janovics ,
Mihaly Molnar ,
Zoltan Kisvarday  and
Adam Kemeny-Beke
Laszlo Rinyu*
Affiliation:
Isotope Climatology and Environmental Research Centre (ICER), Institute for Nuclear Research (ATOMKI), Hungarian Academy of Sciences, Bem ter 18/c, 4026 Debrecen, Hungary
Robert Janovics
Affiliation:
Isotope Climatology and Environmental Research Centre (ICER), Institute for Nuclear Research (ATOMKI), Hungarian Academy of Sciences, Bem ter 18/c, 4026 Debrecen, Hungary
Mihaly Molnar
Affiliation:
Isotope Climatology and Environmental Research Centre (ICER), Institute for Nuclear Research (ATOMKI), Hungarian Academy of Sciences, Bem ter 18/c, 4026 Debrecen, Hungary
Zoltan Kisvarday
Affiliation:
MTA-Debreceni Egyetem Neuroscience Research Group, Nagyerdei krt. 98, 4032 Debrecen, Hungary
Adam Kemeny-Beke
Affiliation:
Department of Ophthalmology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, 4032 Debrecen, Hungary
*
*Corresponding author. Email: rinyu.laszlo@atomki.mta.hu.
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Abstract

The 14C/12C ratio of living organisms is largely determined by the 14C/12C ratio of consumed diet as well as by the atmospheric 14C concentration together with the body’s metabolic processes. The measured 14C content of living matter compared to the atmospheric radiocarbon level can provide invaluable information about developmental processes. Our aim was to determine the 14C content of ten different tissues of the human eye using the 14C bomb-pulse dating signature. The 14C content of the atmosphere, so called 14C “bomb-pulse” has labeled humanity offering an opportunity to determine these special formation, turnover and substitution courses in biology. The results allowed us to construct a 14C map of the bomb-peak labeled human eye. According to the anatomical location of the tissues, an unexpected picture emerged as in moving from the outer parts towards the inner parts of the eye, the 14C content of each tissue decreased. The data presented here are compatible with the view that the oldest parts of the eye are the sclera, the limbus and the cornea, in this order, and moving further inside, the youngest tissue of the eye is the retina.

Keywords

bomb-peak datinghuman eyeisotope analysisradiocarbon datingtissue development
Type
Research Article
Information
Radiocarbon , Volume 62 , Issue 1 , February 2020 , pp. 189 - 196
Copyright
© 2019 by the Arizona Board of Regents on behalf of the University of Arizona 

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