<div dir="ltr">Hi,<div><br></div><div>I would like to email Dr. Andriy Goychuck. He requested a reference paper from me. Do you know his email?</div><div><br></div><div>Susan</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jan 29, 2023 at 2:22 PM SLAAM Distribution List <<a href="mailto:slaam@lists.ucmerced.edu">slaam@lists.ucmerced.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg-5395999862983838500">




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<span style="color:black;font-size:12pt">Dear enthusiasts of the SLAAM seminars,</span></div>
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<span style="color:black;font-size:12pt">This is a reminder that we are resuming the SLAAM seminars tomorrow Monday. </span></div>
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<span style="color:black;font-size:12pt">We invite you to join us for the spring semester’s first
</span><a href="https://physics.ucmerced.edu/slaam" style="font-size:12pt" target="_blank">Soft Living Active and Adaptive Matter (SLAAM)</a><span style="color:black;font-size:12pt"> seminar, to be given by </span><b style="color:black;font-family:inherit;font-size:12pt;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit">Dr.
 Andriy Goychuk </b><span style="color:black;font-size:12pt">(MIT) on </span><b style="color:black;font-family:inherit;font-size:12pt;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit">Monday, January 30,<span> </span></b><span style="color:black;font-size:12pt">at </span><b style="color:black;font-family:inherit;font-size:12pt;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit">9am
 Pacific/11am Central/12 noon Eastern time</b><span style="color:black;font-size:12pt">, with the title
</span><span style="color:black;font-size:12pt"><b><a href="https://physics.ucmerced.edu/sites/physics.ucmerced.edu/files/page/documents/andriy_goychuk_slaam.pdf" target="_blank">Folding patterns
 in heterogeneous active polymers</a>.</b></span></p>
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<span style="font-size:12pt;color:black"><a href="https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09" title="https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09" target="_blank"><span style="color:rgb(5,99,193)">https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09</span></a></span></p>
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<span style="font-size:12pt;color:black">Zoom Meeting ID: 926 9360 7475   |   Passcode: 223642</span></p>
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<span style="font-size:12pt;color:black">As usual, there will be a 15 min informal Q&A at the end of the hour. Graduate students will have an opportunity to interact with the speaker in an informal setting during the "Meet the speaker" timeslot just after
 the talk. Please join if the time works for you. </span></p>
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<b><span style="font-size:12pt;color:black">Abstract:</span></b></p>
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<span style="font-size:12pt;color:black">The folding of various biopolymers, ranging from proteins to chromosomes, into specific conformations is vital for cellular function. Longstanding research has elucidated basic principles of polymer folding with equilibrium
 thermodynamics. However, thermodynamic constraints such as the fluctuation-dissipation relation can cease to hold in cells, whose organization and regulation involve active processes that provide local excitations. Here, by using analytical theory, we investigate
 the response of a polymer’s conformation to excitations that are heterogeneous in magnitude, correlated along the polymer sequence or, at local hot spots, exhibit temporal patterns that can represent protein (un)binding cycles on chromatin. We characterize
 how these different types of excitations can lead to specific folding patterns, by eliciting effective long-ranged attraction or repulsion. However, we also find that the folding patterns of an active polymer cannot be distinguished from a passive polymer
 through structural data, such as contact probability maps, alone. Therefore, in closing, we discuss the different fluctuation properties, such as coherent motion, that can be expected to arise in such systems.</span></p>
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<b>About the speaker:</b></span></p>
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<span style="font-size:12pt;color:black">Dr. Andriy Goychuk is a postdoctoral associate at the Massachusetts Institute of Technology, where he will transition to an EMBO Long-Term postdoctoral fellowship in February 2023. He is broadly interested in applying
 the methods and tools of theoretical biophysics, statistical mechanics and nonlinear dynamics to biological phenomena. Together with Professor Arup K. Chakraborty and Professor Mehran Kardar, he is currently investigating the formation of transcriptional condensates
 on chromatin and the conformational dynamics of actively driven polymers.</span></p>
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<span style="font-size:12pt;color:black">Dr. Goychuk has studied Physics at the Ludwig-Maximilians-University of Munich. Together with Professor Erwin Frey, he investigated different biological systems, ranging from the scale of proteins to the scale of
 cell dynamics, which have mechanochemical couplings. His thesis was honored with the Arnold Sommerfeld PhD prize. </span></p>
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<span style="font-size:12pt;color:black">See you there!<span> </span></span></p>
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<span style="font-size:12pt;color:black">Best regards,</span></p>
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<span style="font-size:12pt;color:black">Dan Beller</span></p>
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<span style="font-size:12pt;color:black">on behalf of the SLAAM organizing team</span></p>
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<i><span style="font-size:12pt;color:black">To join the SLAAM mailing list, please sign up <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_forms_d_e_1FAIpQLScTyzEuuE7TfrrapgP4tzN-5FoPSqbBhURUxa9-2Dzc8USnY1IPzA_viewform&d=DwMFAw&c=WO-RGvefibhHBZq3fL85hQ&r=6T170XR90Za4-nl9r1e8-WfEJbvH5g5hJbA9UumqfWQ&m=NK4EGo1VvrDiYSxdvOUJXgCkEAzTrQzNpQi-P59LZiKL_lMA3briJm9KQh9Y3suN&s=3hc1lEhiJwBLtMEr12Z9K5XtZaVlEfOZKYXGtXCjRDg&e=" title="https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_forms_d_e_1FAIpQLScTyzEuuE7TfrrapgP4tzN-5FoPSqbBhURUxa9-2Dzc8USnY1IPzA_viewform&d=DwMFAw&c=WO-RGvefibhHBZq3fL85hQ&r=6T170XR90Za4-nl9r1e8-WfEJbvH5g5hJbA9UumqfWQ&m=NK4EGo1VvrDiYSxdvOUJXgCk" target="_blank"><span style="color:rgb(5,99,193)">here</span></a>. If
 you’re a postdoc interested in giving a SLAAM talk, we invite you to register your interest on that webform.
</span></i></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black">Daniel Beller</span></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black">Assistant Professor</span></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black">Department of Physics and Astronomy</span></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black">Johns Hopkins University</span></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black"><a href="http://pages.jh.edu/dbeller3" target="_blank">pages.jh.edu/dbeller3</a></span></p>
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<span style="font-size:9pt;font-family:Helvetica;color:black">(he/him/his)</span><span style="font-size:12pt"></span></p>
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