<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1400" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>
<P class=MsoNormal
style="MARGIN: 0cm -15.8pt 0pt 0cm; TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"
align=center><B><SPAN
style="FONT-SIZE: 22pt; COLOR: blue; FONT-FAMILY: Arial; mso-bidi-font-family: 'Times New Roman'">SEMINARIO
DE QUÍMICA ORGÁNICA <?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN style="COLOR: blue; FONT-FAMILY: Arial">Miércoles 28 de
marzo, 13 hs</SPAN></B><SPAN style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN style="COLOR: blue; FONT-FAMILY: Arial">Aula Dr. Venancio
Deulofeu</SPAN></B><SPAN style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN style="COLOR: blue; FONT-FAMILY: Arial">Departamento de
Química Orgánica</SPAN></B><SPAN style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN lang=ES-AR
style="COLOR: blue; FONT-FAMILY: Arial; mso-ansi-language: ES-AR">Ciudad
Universitaria, Pab. II, Piso 3</SPAN></B><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; mso-ansi-language: ES-AR"><o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"
align=center><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR; mso-bidi-font-weight: bold"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN lang=ES-AR
style="FONT-SIZE: 20pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR">Dr.
N. Gabriel Lemcoff<o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN lang=ES-AR
style="FONT-SIZE: 20pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: ES-AR"><o:p> </o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN lang=EN-US
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-US">Department
of Chemistry, <?xml:namespace prefix = st1 ns =
"urn:schemas-microsoft-com:office:smarttags" /><st1:PlaceName
w:st="on">Ben-Gurion</st1:PlaceName> <st1:PlaceType
w:st="on">University</st1:PlaceType> of the <st1:place
w:st="on">Negev</st1:place><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><st1:place w:st="on"><st1:City w:st="on"><B><SPAN lang=EN-US
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-US">Beer-Sheva</SPAN></B></st1:City><B><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-US">,
<st1:country-region
w:st="on">Israel</st1:country-region></SPAN></B></st1:place><SPAN lang=EN-US
style="FONT-SIZE: 12pt; mso-ansi-language: EN-US"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><SPAN lang=ES-AR
style="FONT-SIZE: 14pt; mso-ansi-language: ES-AR"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; mso-ansi-language: ES-AR"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=htmlbody style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><FONT face="Times New Roman"><B><SPAN lang=EN-US
style="FONT-SIZE: 16pt; mso-ansi-language: EN-US">Intramolecular Cross-links in
Dendrimers:<SPAN style="mso-spacerun: yes"> </SPAN>Creation of Rigid
Organic Nanoparticles and Insights on the Process.</SPAN></B><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 13.5pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=center><B><SPAN lang=EN-US
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; mso-ansi-language: EN-US"><FONT
face="Times New Roman">Dendrimer end-group olefin metathesis crosslinking can be
controlled and leads in a regular and predictable way to more compact and rigid
macromolecular nanoparticles.<SPAN style="mso-spacerun: yes"> </SPAN>Model
studies reveal considerably more detail about the cross-linking process. Most
significantly the relative preference observed, type <B>d </B>≥ type <B>c
</B>> type <B>b </B>>> type <B>a</B>, shows that the geometrical design
may be used to control the location of cross-linking within a macromolecular
architecture.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
style="mso-ignore: vglayout">
<TABLE cellSpacing=0 cellPadding=0 align=left>
<TBODY>
<TR>
<TD
style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent"
width=468 height=18><FONT face="Times New Roman"></FONT></TD></TR>
<TR>
<TD
style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent"><FONT
face="Times New Roman"></FONT></TD>
<TD
style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent"><FONT
face="Times New Roman"><IMG height=15
src="cid:008e01c77081$6574bd30$fc1f5c9d@Sergio" width=13
v:shapes="_x0000_s1030"></FONT></TD></TR></TBODY></TABLE></SPAN><SPAN
style="Z-INDEX: -2; LEFT: 0px; MARGIN: 14px auto auto 322px; WIDTH: 238px; POSITION: absolute; HEIGHT: 172px; mso-ignore: vglayout"><FONT
face="Times New Roman"><IMG height=172
src="cid:008f01c77081$6574bd30$fc1f5c9d@Sergio" width=238
v:shapes="_x0000_s1027 _x0000_s1028 _x0000_s1029"></FONT></SPAN><SPAN
style="Z-INDEX: -3; LEFT: 0px; MARGIN: 14px auto auto -2px; WIDTH: 287px; POSITION: absolute; HEIGHT: 171px; mso-ignore: vglayout"><FONT
face="Times New Roman"><IMG height=171
src="cid:009001c77081$6574bd30$fc1f5c9d@Sergio" width=287
v:shapes="_x0000_s1026"></FONT></SPAN><SPAN lang=EN-US
style="mso-ansi-language: EN-US"><o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US style="mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P><BR
style="mso-ignore: vglayout" clear=all>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; mso-ansi-language: EN-US"><FONT
face="Times New Roman">Tunable Organic Nanoparticles<SPAN
style="mso-tab-count: 3">
</SPAN>Cross-linking Trend <B>d </B>≥ <B>c </B>> <B>b >></B>
<B>a</B><o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><FONT
face="Times New Roman"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; mso-ansi-language: EN-US">References:
<I>J. Am. Chem. Soc.</I> <B>2004</B>, (126),<I> </I>13576-13577<I>; J. Am. Chem.
Soc.</I>, <B>2004</B>,<I> </I>(126), 11420-11421; <I>Chem. Commun.</I>
</SPAN><B><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%">2004</SPAN></B><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%">, (1), 5-14 and ref.
therein.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN
lang=EN-US
style="FONT-SIZE: 14pt; COLOR: blue; LINE-HEIGHT: 150%; mso-ansi-language: EN-US"><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P></FONT></DIV></BODY></HTML>