Radiocarbon dating of the human eye lens crystallines reveal proteins without carbon turnover throughout life.

by Niels Lynnerup, Henrik Kjeldsen, Steffen Heegaard, Christina Jacobsen, Jan Heinemeier
Published 2008-01-01

Chemical and isotopic characteristics of a glacier-derived naled in front of Austre Grønfjordbreen, Svalbard

by Jacob C. Yde, Andy J. Hodson, Irina Solovjanova, Jørgen P. Steffensen, Per Nørnberg, Jan Heinemeier, Jesper Olsen
Published 2012-03-01