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<P class=MsoNormal style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center"
align=center><A name=OLE_LINK2><STRONG><SPAN lang=ES-AR
style="COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR"><FONT
size=3>Seminarios del Dpto. de Química Inorgánica, Analítica y Química Física /
INQUIMAE</FONT></SPAN></STRONG></A><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><FONT size=3><SPAN style="mso-bookmark: OLE_LINK2"><STRONG><SPAN
lang=ES-AR
style="COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR">FCEyN -
Universidad de Buenos Aires</SPAN></STRONG></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-FAMILY: Arial"><o:p></o:p></SPAN></SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"></SPAN><A
href="http://www.qi.fcen.uba.ar/es"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><B><SPAN lang=ES-AR
style="FONT-FAMILY: Arial; mso-ansi-language: ES-AR">http://www.qi.fcen.uba.ar/es</SPAN></B></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-FAMILY: Arial"><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-FAMILY: Arial"><FONT
size=3> <o:p></o:p></FONT></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><FONT size=3><SPAN style="mso-bookmark: OLE_LINK2"><STRONG><SPAN
lang=PT-BR
style="COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: PT-BR">2do.
Cuatrimestre, 2006</SPAN></STRONG></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=PT-BR
style="FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><o:p></o:p></SPAN></SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=PT-BR
style="FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><o:p><FONT
size=3> </FONT></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=PT-BR
style="FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><o:p><FONT
size=3> </FONT></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=PT-BR
style="FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><FONT
size=3> <o:p></o:p></FONT></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><STRONG><SPAN lang=PT-BR
style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><FONT
color=#800080>Miercoles <FONT color=#ff0000>16</FONT> de Agosto, </FONT><FONT
color=#ff0000>16.00h</FONT></SPAN></STRONG></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><B><SPAN lang=PT-BR
style="COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: PT-BR"><BR><STRONG><SPAN
style="FONT-FAMILY: Arial"><FONT size=3>Aula Seminarios, DQIAyQF-
INQUIMAE<o:p></o:p></FONT></SPAN></STRONG></SPAN></B></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center; mso-outline-level: 2"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><STRONG><SPAN lang=ES-AR
style="COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR"><FONT
size=3>Ciudad Universitaria, Pab. II, Piso 3</FONT></SPAN></STRONG></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=ES-AR
style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR">
<BR></SPAN></SPAN><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-FAMILY: Arial"><BR></SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial"><SPAN
style="mso-spacerun: yes"> </SPAN><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 12pt; TEXT-ALIGN: center"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-GB
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Prof.
Fraser Armstrong, FRSC<o:p></o:p></SPAN></B></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 12pt; TEXT-ALIGN: center"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Universidad
de Oxford, Laboratorios de Quimica Inorganica</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial"> </SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 12pt; TEXT-ALIGN: center"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial">Enzimas Hidrogenasas para bioceldas
de combustible</SPAN></B></SPAN><SPAN style="mso-bookmark: OLE_LINK2"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-GB
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></B></SPAN></P>
<UL type=disc>
<LI class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><B><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">The bio-fuel cell
project:</SPAN></B></SPAN><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"> Hydrogen is
the transportable fuel of the future, offering clean and renewable energy. In
this research, our studies on hydrogenases (NiFe) and laccases (Cu) are being
applied with the aim of producing a </SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.chem.ox.ac.uk/icl/faagroup/fuelcell.html"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">fuel
cell</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"> that is 100% derived
from biological catalysts, and does not include any expensive chemicals or
rare elements as redox mediators. We are working closely with
</SPAN></SPAN><SPAN style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.biologie.hu-berlin.de/microbio/"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Prof. Bärbel
Friedrich</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">, of the
</SPAN></SPAN><?xml:namespace prefix = st1 ns =
"urn:schemas-microsoft-com:office:smarttags" /><st1:place><st1:PlaceName><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Humboldt</SPAN></SPAN></st1:PlaceName><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">
</SPAN></SPAN><st1:PlaceType><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">University</SPAN></SPAN></st1:PlaceType></st1:place><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"> in
</SPAN></SPAN><st1:State><st1:place><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Berlin</SPAN></SPAN></st1:place></st1:State><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">, who is investigating
the molecular biology of hydrogenases that can tolerate oxygen.
<o:p></o:p></SPAN></SPAN></FONT></LI>
<LI class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><B><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">The biohydrogen
production project:</SPAN></B></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"> In this project we are
elucidating the mechanistic principles of hydrogen production by
</SPAN></SPAN><SPAN style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.chem.ox.ac.uk/icl/faagroup/hydrogenase.html"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">hydrogenases</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT size=3>. Many
groups worldwide are now interested in ‘Bio Hydrogen’. This process occurs
mainly in strictly anaerobic microbes and these enzymes (FeFe hydrogenases)
are usually very O<SUB>2</SUB>-sensitive. We are studying the basis for
O<SUB>2</SUB> sensitivity to establish how this might be removed.
<o:p></o:p></FONT></SPAN></SPAN></LI>
<LI class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><B><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Both the bio-fuel cell
project and biohydrogen production</SPAN></B></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"> projects involve
fundamental studies of the unusual NiFe and FeFe active sites of hydrogenases
from throughout the microbial world. Not only is this of importance to
microbial enzymology, but it is highly desirable to determine the principles
that will lead to the production of stable, synthetic hydrogen-cycling
catalysts for future energy technologies. Collaborations are in place with
</SPAN></SPAN><SPAN style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.biologie.hu-berlin.de/microbio/"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Prof. Bärbel
Friedrich</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">
(</SPAN></SPAN><st1:State><st1:place><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Berlin</SPAN></SPAN></st1:place></st1:State><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">), </SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.ibs.fr/content/ibs_eng/presentation/lab/lccp/"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Juan
Fontecilla-Camps</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">
(</SPAN></SPAN><st1:City><st1:place><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Grenoble</SPAN></SPAN></st1:place></st1:City><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">), </SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://www.chemistry.montana.edu/peters.html"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">John
Peters</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">
(</SPAN></SPAN><st1:State><st1:place><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Utah</SPAN></SPAN></st1:place></st1:State><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">), </SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT><A
href="http://ewww.mpi-muelheim.mpg.de/bac/mitarbeiter/lubitz/lubitz_en.php"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Wolfgang
Lubitz</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT size=3> (Max Planck
Institute-Mülheim). <o:p></o:p></FONT></SPAN></SPAN></LI>
<LI class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><BR><FONT
size=3>Links:<BR></FONT></SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN><A
href="http://www.chem.ox.ac.uk/researchguide/faarmstrong.html"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">http://www.chem.ox.ac.uk/researchguide/faarmstrong.html<BR></SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><A
href="http://www.chem.ox.ac.uk/icl/faagroup/fuelcell.html"><FONT size=3><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">http://www.chem.ox.ac.uk/icl/faagroup/fuelcell.html</SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><BR></SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN><A
href="http://www.chem.ox.ac.uk/icl/faagroup/hydrogenase.html"><FONT
size=3><SPAN style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">http://www.chem.ox.ac.uk/icl/faagroup/hydrogenase.html<BR></SPAN></SPAN><SPAN
style="mso-bookmark: OLE_LINK2"></SPAN></FONT></A><SPAN
style="mso-bookmark: OLE_LINK2"><SPAN lang=EN-GB
style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></SPAN></LI></UL>
<P class=MsoNormal style="MARGIN: 0cm -4.05pt 0pt 0cm; TEXT-ALIGN: center"
align=center><SPAN style="mso-bookmark: OLE_LINK2"><SPAN
style="FONT-FAMILY: 'ITC Zapf Dingbats'; mso-bidi-font-family: Arial"><FONT
size=3>iiiii</FONT></SPAN></SPAN><SPAN
style="FONT-FAMILY: 'ITC Zapf Dingbats'; mso-bidi-font-family: Arial"><o:p></o:p></SPAN></P></FONT></DIV></BODY></HTML>