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Summary: Concentration of Simple Aldehydes by Sulfite-Containing Double-Layer
Hydroxide Minerals: Implications for Biopoesis
by Stefan Pitscha
), Ramanarayanan Krishnamurthyb
), and Gustaf Arrheniusc
)*
a
) Laboratorium für Organische Chemie, ETH-Zürich, Universitätstrasse 16, CH-8092 Zürich
b
) The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road,
La Jolla, CA 92037, USA
c
) Scripps Institution of Oceanography, University of California, San Diego; La Jolla, CA 92093-0236, USA
(e-mail: arrhenius@ucsd.edu)
Dedicated to our great teacher and friend Albert Eschenmoser on the occasion of his 75th birthday. We hope that
our joint exploration of mineral assistance In der Welt von Gestern will carry over also into the Brave New
World.
Environmental conditions play an important role in conceptual studies of prebiotically relevant chemical
reactions that could have led to functional biomolecules. The necessary source compounds are likely to have
been present in dilute solution, raising the question of how to achieve selective concentration and to reach
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