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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>Från:</b> jeremy vachier <jeremy.vachier@su.se><br>
<b>Skickat:</b> den 25 februari 2022 13:27<br>
<b>Till:</b> postdocs@nordita.org; students@nordita.org; okc-all@albanova.se<br>
<b>Kopia:</b> Nadia Flodgren; Guilherme Franzmann<br>
<b>Ämne:</b> Kindly reminder Scientific Fika - Today 4:00pm Hybrid Room Mega – Jeremy ‘Active matter in ice: how tiny active particles lead to huge changes?’</font>
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<p style="margin-bottom:0in; line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3">Dear Juniors,<br>
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Just a kindly reminder about our today session </font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><b>Friday, February</b></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3">
</font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><b>25</b></font></font></font><font color="#000000"><sup><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><b>th</b></font></font></sup></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3">
</font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><b>at 4:00pm</b></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">,
</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">Jeremy</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3">
</font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">will talk</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3">
</font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">about "</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">Active
matter in ice: how tiny active particles lead to huge changes?</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal">"</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><br>
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</font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal"><br>
</span></font></font></font><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><b>Abstract:
</b></font></font></font><span style="font-variant:normal"><font color="#000000"><span style="text-decoration:none"><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><span style="font-style:normal"><span style="font-weight:normal"><span style="background:transparent">Multitudes
of living microorganisms are found in glaciers, ice sheets and permafrost. These active</span></span></span></font></font></span></font></span><span style="font-variant:normal"><font color="#000000"><span style="text-decoration:none"><font face="Liberation Serif,
serif"><font style="font-size:12pt" size="3"><span style="font-weight:normal"><span style="background:transparent">
</span></span></font></font></span></font></span><span style="font-variant:normal"><font color="#000000"><span style="text-decoration:none"><font face="Liberation Serif,
serif"><font style="font-size:12pt" size="3"><span style="font-style:normal"><span style="font-weight:normal"><span style="background:transparent">bioparticles
evolve in complex environments under elaborated motions due to a range of bulk and surface interactions. Under a temperature gradient, the particle is driven toward regions of higher temperatures in a process called thermal regelation. Thermal regelation and
activity control the redistribution of bioparticles in the ice core, playing a major role in paleoclimatology and climate change. Re-casting this class of regelation phenomena in the stochastic framework of active Ornstein-Uhlenbeck dynamics, we find that
the activity influences particle dynamics during thermal regelation by enhancing the effective diffusion coefficient.</span></span></span></font></font></span></font></span><font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><br>
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Zoom link:<br>
<a href="https://stockholmuniversity.zoom.us/j/68149127828" class="moz-txt-link-freetext" id="LPlnk117614" previewremoved="true">https://stockholmuniversity.zoom.us/j/68149127828</a>
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<a id="LPUrlAnchor_16457964618110.9869373116371531" style="text-decoration: none;" href="https://stockholmuniversity.zoom.us/j/68149127828" target="_blank">Launch Meeting - Zoom</a></div>
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stockholmuniversity.zoom.us</div>
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</font></font><font color="#000000"><font face="Liberation
Serif, serif"><font style="font-size:12pt" size="3">Place: NORDITA Floor 6 - Room Mega
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<font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><font color="#000000">See you later,<br>
Best regards,</font></font></font><br>
<font face="Liberation Serif, serif"><font style="font-size:12pt" size="3"><font color="#000000"><font face="Liberation Serif,
serif"><font color="#000000"><font style="font-size:12pt" size="3">Nadia, Jeremy and Guilherme</font></font></font></font></font></font><br>
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