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Poštovani, ljubazno sam zamoljen da oglasim seminar Thorstena Autha
(iduci utorak):<br>
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<p class="Default" style="text-align:center" align="center"><b><span
style="font-size:16.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:
Arial">ZAJEDNIČKI SEMINAR<o:p></o:p></span></b></p>
<p class="Default" style="text-align:center" align="center"><b><span
style="font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial">11.
ožujak 2014. (utorak) </span></b><b
style="mso-bidi-font-weight:normal"><span
style="font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial">u
11:00 sati (točno)<o:p></o:p></span></b></p>
<p class="Default" style="text-align:center" align="center"><span
style="font-family:
"Calibri","sans-serif";mso-bidi-font-family:Arial">Institut
za fiziku, Bijenička cesta 46, Predavaonica III krilo<o:p></o:p></span></p>
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style="font-family:
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<p class="Default" style="text-align:center" align="center"><b><span
style="font-size:16.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:
Arial">Thorsten Auth<o:p></o:p></span></b></p>
<p class="Default" style="text-align:center" align="center"><span
style="font-family:
"Calibri","sans-serif";mso-bidi-font-family:Arial">Forschungszentrum
Jülich<o:p></o:p></span></p>
<p class="Default" style="text-align:center" align="center"><span
style="mso-bidi-font-size:
16.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial">Institute
of
Complex Systems (ICS)<o:p></o:p></span></p>
<p class="Default" style="text-align:center" align="center"><span
style="mso-bidi-font-size:
16.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial">Theorie
der
Weichen Materie und Biophysik<o:p></o:p></span></p>
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style="font-size:
11.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial"><o:p> </o:p></span></p>
<p class="Default" style="text-align:center" align="center"><span
style="font-size:
11.0pt;font-family:"Calibri","sans-serif";mso-bidi-font-family:Arial"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:center" align="center"><strong><span
style="font-size:16.0pt;font-family:"Calibri","sans-serif";
mso-bidi-font-family:"Times
New Roman"" lang="EN-US">Cellular uptake of
nanoparticles by wrapping<o:p></o:p></span></strong></p>
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style="text-align:justify;text-justify:inter-ideograph"><span
style="font-family:"Calibri","sans-serif";mso-bidi-font-family:"Times
New Roman"; mso-fareast-language:HR" lang="EN-US">Nanoparticles
have recently attracted increased interest due to a variety of
potential applications. However, not much is known about their
interaction with biological cells. Cellular uptake of
particles, viruses, and parasites is a complex biological
process: particles with sizes comparable to the thickness of
the lipid bilayer enter by penetration, while particles with
sizes of 20nm or larger get wrapped by the membrane. We
calculate the energies for wrapping and characterize particle
uptake analogously to thermodynamic phase transitions. We
present wrapping phase diagrams for various curvature-elastic
properties of the membrane, membrane-particle interaction
strengths, and particle sizes and shapes. The transitions
between unbound, partially-wrapped, and completely-wrapped
states can be continuous or discontinuous and may involve
reorientation of the particle. By systematic studies for the
particle shape, we find that in particular elongated particles
show reduced complete wrapping, but enhanced binding to the
cell membrane. </span><span
style="mso-fareast-font-family:"MS
Mincho";mso-fareast-language: JA" lang="EN-US"><o:p></o:p></span></p>
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style="font-size:11.0pt;font-family:"Calibri","sans-serif";mso-fareast-font-family:"TimesNewRoman\,Bold";color:black"
lang="EN-US">* * *<o:p></o:p></span></p>
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style="font-size:11.0pt;font-family:"Calibri","sans-serif";mso-fareast-font-family:"TimesNewRoman\,Bold";color:black"
lang="EN-US">Thorsten Auth studied physics at <st1:place
w:st="on"><st1:placename w:st="on">Frankfurt</st1:placename>
<st1:placetype w:st="on">University</st1:placetype></st1:place>
where he graduated in 2000. He moved to Forschungszentrum
Jülich in 2001 and worked with Prof. Gerhard Gompper on
simulations of polymer-membrane interactions, closely
connected to experimental studies on oil-water microemulsions.
Thorsten received his Ph.D. from <st1:place w:st="on"><st1:placetype
w:st="on">University</st1:placetype> of <st1:placename
w:st="on">Cologne</st1:placename></st1:place> in 2004.
From 2005 to 2007, he spent 2.5 years at the Weizmann
Institute as a Minerva fellow, where worked with Prof. Nir Gov
and Prof. Sam Safran on active fluctuations of red blood
cells. After his return to Jülich, he works mainly on
nanoparticle wrapping by lipid bilayer membranes and on
collective behavior of self-propelled particles. <o:p></o:p></span></p>
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lang="EN-US"><a href="mailto:t.auth@fz-juelich.de">t.auth@fz-juelich.de</a><o:p></o:p></span></p>
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lang="EN-US"><a href="http://www.fz-juelich.de/ics/ics-2/">www.fz-juelich.de/ics/ics-2/</a><o:p></o:p></span></p>
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lang="EN-US"><a
href="http://www.fz-juelich.de/SharedDocs/Personen/ICS/ICS-2/EN/Auth_T.html?nn=539250">http://www.fz-juelich.de/SharedDocs/Personen/ICS/ICS-2/EN/Auth_T.html?nn=539250</a><o:p></o:p></span></p>
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