8:30 AM
() Chair's Introduction. (Abstract )

8:40 AM
(S8D-1) Chemistry and the iron only hydrogenases. (Abstract 167)
Christopher Pickett^*,1, Cedric Tard¹, Liu Xiaoming¹, Saad Ibrahim¹, ¹ Dept of Biological Chemistry, Norwich, Norfolk, UK

9:10 AM
(S8D-2) Biomimetic models of the iron hydrogenase active site as proton reduction catalysts in light-driven supramolecular systems. (Abstract 168)
Sascha Ott^*,1, Reiner Lomoth², Björn Åkermark¹, Licheng Sun¹, ¹ Department of Organic Chemistry, Stockholm, Sweden² Department of Physical Chemistry, Uppsala, Sweden

9:30 AM
(S8D-3) Photobiological hydrogen production of hydrogenase mutants of heterocystous cyanobacteria. (Abstract 169)
Fuminori Yoshino¹, Muneto Wakai¹, Hajime Masukawa³, Mari Mochimaru^{3, 4}, Hidehiro Sakurai^{*,1, 3}, ¹ Grad. Sch. Sci. & Engineer., Waseda Univ., Tokyo, Japan³ Dept. Biol., Sch. Education & RIAST, Waseda Univ., Tokyo, Japan⁴ Natural Sci. Fac, Fac. Lett., Komazawa Univ., Tokyo, Japan

9:50 AM
(S8D-4) Porphyrins and chlorins tailored for self-assembled artificial antennas. (Abstract 170)
Teodor Silviu Balaban^{*,1, 2}, ¹ Forschungszentrum Karlsruhe, Karlsruhe, Germany² Center for Functional Nanostructures, Karlsruhe, Germany

10:10 AM
(S8D-5) Tetrapyrrole singlet excited state quenching by covalently linked carotenoids of different conjugation length. (Abstract 171)
Rudi Berera¹, Rodrigo Palacios², Mikas Vengris¹, Gerdenis Kodis², Rienk van Grondelle¹, Herbert van Amerongen³, Devens Gust², Thomas A. Moore², Ana L. Moore², John Kennis^*,1, ¹ Department of Biophysics, Division of Physics and Astronomy, Faculty of Sciences, Amsterdam, The Netherlands² Department of Chemistry and Biochemistry and the, Tempe, Arizona, USA³ Laboratory for Biophysics, Wageningen, The Netherlands