Non-exchangeable organically bound tritium (OBT): Its real nature

F. Baumgärtner, W. Donhaerl

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

35 Zitate (Scopus)


Denaturation experiments show that the larger part of organically bound tritium (OBT) consists of "buried tritium" and is not bound to carbon, as has been traditionally assumed. The logistical growth analysis of hydrogen isotopes in dry plant matter reveals a larger rate of increase of OBT than organically bound hydrogen (OBH). This is reflected by tritium accumulation for 1.4 and 2 in the primary hydration shell and in the base-pairing hydrogens of DNA respectively. If tritons and protons are considered as quantum mechanical entities, the accumulative tritium transfer from water to the hydrogen bonds of biopolymers is generally valid. Growth experiments confirm the assumed rapid isotope exchange "in vivo", which is not observed "in vitro" by denaturation.

Seiten (von - bis)204-209
FachzeitschriftAnalytical and Bioanalytical Chemistry
PublikationsstatusVeröffentlicht - Mai 2004


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