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X-ORIGINAL-URL:https://unam.bilkent.edu.tr/en
X-WR-CALDESC:Events for UNAM Nanoteknoloji Araştırma Merkezi
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TZID:Europe/Moscow
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TZOFFSETFROM:+0300
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DTSTART:20210101T000000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20220121T160000
DTEND;TZID=Europe/Moscow:20220121T170000
DTSTAMP:20260905T175046
CREATED:20220118T113120Z
LAST-MODIFIED:20220118T113120Z
UID:6242-1642780800-1642784400@unam.bilkent.edu.tr
SUMMARY:What can we learn from computational cell models?
DESCRIPTION:Aykut Erbaş\nMSN Graduate Program and UNAM \n\nThere are over 40 million cells in our body. Despite carrying an identical genome\, these cells are specialized into 200 different types to undertake particular biological tasks in various tissues. The main factor determining a cell’s biological identity is the type and amount of cell-specific proteins. In turn\, these cell-specific proteins somewhat determine how\, when\, where\, and which part of genetic information encoded in our DNA will be read to sustain the dynamic complexity of cellular activity. One of the questions that we ask in our research group: can we use minimal computational models to reveal certain parts of this complexity? By considering the kinetics and organizational properties of DNA-binding proteins\, in this talk\, I will present a couple of examples to convince you that computer simulations can be used\, along with biomolecular experiments\, to elucidate the dynamic and organizational properties of the genome. Together we will see that well-designed molecular models can replicate experimental findings and encourage us to reconsider even re-write certain parts of our text-books. \n \n  \n  \nAbout Speaker\nDr. Aykut Erbaş completed his Ph.D. in Physics at Technical University Munich (TUM)\, Germany\, in 2011. His Ph.D. thesis contributed to the understanding of biomolecular mobility\, specifically\, of disordered protein structures. Later he moved to the Chemistry Department at the University of North Carolina – Chapel Hill to research polymer dynamics. Between 2014 and 2018\, Dr. Erbas was a research fellow at the Material Science & Engineering Department at Northwestern University under various centers dedicated to designing bio-inspired energy systems. He also researched the interaction kinetics of biomolecular systems and molecular self-assembly in collaboration with Northwestern Biomolecular Sciences and Chemistry Departments. Dr. Erbas has been actively working on various soft-matter systems in close collaboration with experimental and engineering groups. He is currently interested in the kinetics aspects of protein-DNA interactions and 3d genome organization in his lab. Dr. Erbas has been an assistant professor at UNAM since September 2018 \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/what-can-we-learn-from-computational-cell-models/
CATEGORIES:UNAM PI Seminars
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20220107T160000
DTEND;TZID=Europe/Moscow:20220107T170000
DTSTAMP:20260905T175046
CREATED:20220110T065229Z
LAST-MODIFIED:20220110T065229Z
UID:6178-1641571200-1641574800@unam.bilkent.edu.tr
SUMMARY:Fishes\, worms\, and human aging
DESCRIPTION:Ayça Arslan Ergül\nMSN Graduate Program and UNAM \n\nIn this talk I will not focus on one research\, but instead I will try to give glimpses of all the topics that we work on or ideas that we nourish. In this way you may also join or contribute to one of the projects\, if you get interested. Arslan-Ergul lab has been founded in January 2021 in UNAM\, so we are celebrating our first year. Our research interest can be summarized in one word as aging\, in several words as brain aging\, neurodegeneration\, adaptation\, genetics\, and behavior. \n \n  \nAbout Speaker\nAyça Arslan Ergül was graduated from Boğaziçi University\, department of Molecular Biology and Genetics. She did her PhD in Bilkent University Molecular Biology and Genetics department\, on liver cancer and cellular senescence. In Scotland\, Glasgow\, she worked on cell-targeted therapies. For five years\, she worked in Bilkent University UNAM\, on brain aging and new cell formations and taught for the Neuroscience program. She was nominated as Changemaker by Sabancı Foundation for running the Friends\, lets do science project as a volunteer. On her YouTube channel she is teaching molecular biology. She is living with her husband Özgür Ergül and three cats. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/fishes-worms-and-human-aging/
ATTACH;FMTTYPE=image/jpeg:https://unam.bilkent.edu.tr/en/wp-content/uploads/2022/01/asdasd-1.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20211224T160000
DTEND;TZID=Europe/Moscow:20211224T170000
DTSTAMP:20260905T175046
CREATED:20211221T101709Z
LAST-MODIFIED:20211221T101709Z
UID:6149-1640361600-1640365200@unam.bilkent.edu.tr
SUMMARY:Control of Static Electricity By Light and Polymer Mechanochemistry
DESCRIPTION:Bilge Baytekin\nMSN Graduate Program and UNAM \n\nThe mechanism of static electricity generation and mitigation on insulator surfaces upon rubbing/contact is one of the few scientific questions that have remained unanswered for millennia. Static charging (tribocharging) of insulators is not just a scientific mystery – it is also a significant problem\, especially critical for various industries\, e.g.\, polymer\, pharmaceuticals\, electronics\, and space. Several methods of tribocharge mitigation exist in practice; however\, none can reach the practicality of using light in the process. Here I will present light-controlled mitigation of triboelectric charges on common polymers. The tribocharged polymers are discharged upon illumination with appropriate wavelengths of light in the presence of a mediator organic dye. Our method provides spatial and temporal control on mitigation of static charges on common polymer surfaces by a mechanism that involves photoexcitation of organic dyes\, allowing an additional ‘wavelength control’. \nMechanochemistry of organics and polymers has long been studied\, but the link between the static electricity of polymers and mechanochemistry – despite its obvious presence – is still overlooked. In this talk\, I present this chemical link and show how the mechanochemical pathways and the generated mechanospecies can be used to make composites in a green chemistry way. \n \nKonuşmacı hakkında\nBilge Baytekin is an Assistant Professor in the Chemistry Department of Bilkent University. She received her Ph.D. from Freie Universitat Berlin and pursued her postdoctoral studies (2009-2014) at Northwestern University and Harvard University. Her research interests include static electricity\, organic and polymer mechanochemistry\, smart materials\, and soft robotics. She is the recipient of the Loreal Unesco for Women in Science\, TÜBA GEBIP\, BAGEP\, Mustafa Parlar Vakfı\, TÜBİTAK Teşvik Awards\, and 2019 Rising Star Award from the Electrostatics Society of America (ESA). She likes poetry and tea. She has a lovely daughter. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/control-of-static-electricity-by-light-and-polymer-mechanochemistry/
CATEGORIES:UNAM PI Seminars
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20211217T160000
DTEND;TZID=Europe/Moscow:20211217T170000
DTSTAMP:20260905T175046
CREATED:20211213T074324Z
LAST-MODIFIED:20211213T074324Z
UID:6119-1639756800-1639760400@unam.bilkent.edu.tr
SUMMARY:Plasmon-Enhanced Light-Matter Interactions at the Nanoscale
DESCRIPTION:Wonmi Ahn\nMSN Graduate Program and UNAM \n\nNoble metal nanoparticles supporting collective oscillations of conduction electrons\, i.e.\, surface plasmon resonances\, exhibit excellent light-focusing ability and high spectral sensitivity to changes in the surrounding medium. These capabilities explain the increasing role of plasmonic nanomaterials in nanoimaging\, sensing\, energy\, and biomedical applications. However\, high dissipative losses in plasmonic metals and the lack of mass-production methods have been severe bottlenecks preventing their practical use in many applications. In this seminar\, I will show some of the approaches we have taken in the past to overcome the challenges in the field of plasmonics\, which have eventually led to the development of new classes of optoplasmonic materials and bottom-up nanofabrication methods. I will also show how we exploited the dissipative plasmonic loss\, which has been a significant drawback\, to generate hot carriers that drive chemical reactions. Beyond plasmonics\, I will also discuss light-matter interactions in the strong coupling regime (for both excitonic and vibrational absorbers)\, which have great potential to modify materials’ physical and chemical properties by light. The talk will conclude with future research directions that may spark interdisciplinary collaboration within the UNAM community. \n \nKonuşmacı hakkında\nWonmi Ahn obtained a Bachelor of Engineering degree in Chemical Engineering from Soongsil University in South Korea and a Ph.D. degree in Materials Science and Engineering from the University of Utah in the United States. She undertook postdoctoral research at Boston University in the United States and continued her research at the U.S. Naval Research Laboratory as a National Research Council postdoctoral fellow of the United States and later worked as a Materials Research Scientist. She has published more than 21 research papers\, including one U.S. Patent on a nanofabrication method based on electroless metal plating technique. Her research interests include light-matter interactions in the strong coupling regime\, plasmonic nanomaterials for photocatalysis\, plasmon-enhanced photoelectrochemistry\, and photonic-plasmonic hybrid materials for sensing applications. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/plasmon-enhanced-light-matter-interactions-at-the-nanoscale/
CATEGORIES:UNAM PI Seminars
ATTACH;FMTTYPE=image/png:https://unam.bilkent.edu.tr/en/wp-content/uploads/2021/12/21Sep2021_Wonmi_Ahn.png
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20211119T160000
DTEND;TZID=Europe/Moscow:20211119T170000
DTSTAMP:20260905T175046
CREATED:20211115T112644Z
LAST-MODIFIED:20211115T122531Z
UID:6030-1637337600-1637341200@unam.bilkent.edu.tr
SUMMARY:Exploring electronic correlations in low dimensional materials
DESCRIPTION:T. SERKAN KASIRGA\nMSN Graduate Program and UNAM \n\nStrong electronic correlations among various degrees of freedoms in solids result in the emergence of fascinating phenomena. To name a few we can list metal-insulator transitions\, charge density wave transitions and superconductivity. However\, these phenomena are notoriously difficult to study experimentally as they are typically associated with phase transitions that are extremely sensitive to the defects and impurities in the materials. In this talk\, I will present our efforts to understand the phase transitions in some exemplary materials and present a journey from materials synthesis to characterization of the properties via electrical\, mechanical and optical methods. First\, I will talk about how we synthesize the materials in a unique setup that allows real-time optical observation of the crystal synthesis. Then\, I will talk about the effect of thickness on the phase transitions and how we use light to measure certain properties of the correlated materials. Overall\, I will try to give a general perspective on our efforts and conclude with open questions. \n \nAbout The Speaker\nDr. Kasırga got his bachelor’s degree from Bilkent University in physics in 2009. Then\, he moved to the University of Washington\, Seattle for his Ph.D. in physics. After completing his Ph.D. in 2013\, he moved to Bilkent University as a principal investigator at the National Nanotechnology Research Center (UNAM) and established a research program. Since 2015\, he has been serving as the associate director of UNAM and since 2016 he is co-affiliated with the department of physics. His research has appeared in prestigious journals in his field such as Nature\, Nature Nanotechnology\, Nano Letters and 2D Materials. For these research efforts\, the Academy of Science awarded him the Young Scientist Award (GEBİP) in 2021. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/exploring-electronic-correlations-in-low-dimensional-materials/
CATEGORIES:UNAM PI Seminars
ATTACH;FMTTYPE=image/jpeg:https://unam.bilkent.edu.tr/en/wp-content/uploads/2021/11/t-serkan-kasirga.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20211112T160000
DTEND;TZID=Europe/Moscow:20211112T170000
DTSTAMP:20260905T175046
CREATED:20211115T122209Z
LAST-MODIFIED:20211115T132854Z
UID:6052-1636732800-1636736400@unam.bilkent.edu.tr
SUMMARY:How does self-organization reduce entropy?
DESCRIPTION:ÖMER İLDAY\nMSN Graduate Program and UNAM \n\nSelf-organization is the spontaneous emergence of an ordered state. Despite its ubiquity\, how self-organization reduces entropy was never clarified. In this talk\, we present a new theoretical framework\, whereby we decompose a self-organized system into two parts\, one that gets ordered and another that reduces the entropy of the former by mutual information generated through a feedback process. We show that the combined system simply evolves to higher total entropy\, which inadvertently reduces the entropy of the organized part. \nSelf-organization is notoriously difficult to direct to a specific pattern. Our new framework suggests a route. We need to ensure that the desired pattern has higher feedback gain than the competing ones. We also introduce stimulated symmetry breaking as means to reshape the feedback gain landscape. As a proof of concept\, we experimentally demonstrate directing a self-organization process\, namely\, nonlinear laser lithography\, to create all 2D Bravais lattices. \n \n  \nAbout The Speaker\nDr. F. Ömer Ilday studied theoretical physics at Boğaziçi University\, Istanbul\, Turkey\, graduating valedictorian in 1998. He took his Ph.D. in applied physics from Cornell University\, USA\, in 2003. He worked at MIT from 2003 to 2006. In 2006\, he joined Bilkent University as a faculty member. He was awarded the European Research Council’s prestigious Consolidator Grant in 2013\, the first ERC grant on basic science in Turkey\, and the ERC Proof of Concept Grant in 2021. He has published ten articles in Nature\, Nature Photonics\, Nature Physics\, and Nature Communications. His contributions to science have been generously recognized through the Findlay Award\, TÜBA-GEBIP Award\, Teşvik Award (TÜBİTAK)\, Engin Arık Science Award from the Turkish Physical Society\, and the top award in science in Turkey\, the Science Award of TÜBİTAK. He has been elected as a member of the Science Academy of Turkey and Academia Europaea. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217
URL:https://unam.bilkent.edu.tr/en/event/how-does-self-organization-reduce-entropy/
CATEGORIES:UNAM PI Seminars
ATTACH;FMTTYPE=image/jpeg:https://unam.bilkent.edu.tr/en/wp-content/uploads/2021/11/omer-ilday.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Moscow:20211105T160000
DTEND;TZID=Europe/Moscow:20211105T170000
DTSTAMP:20260905T175046
CREATED:20211115T132640Z
LAST-MODIFIED:20211115T134414Z
UID:6096-1636128000-1636131600@unam.bilkent.edu.tr
SUMMARY:The birth\, life\, and death of dissipative colloidal crystals
DESCRIPTION:SERİM İLDAY\nMSN Graduate Program and UNAM \n\nIn 1994 Erwin Schrödinger published an inspiring book titled “What Is Life? The Physical Aspect of the Living Cell.” Using only physical and mathematical reasoning\, he concluded that the information necessary to replicate the living is most likely stored in an aperiodic crystal before the discovery of DNA. This provoked -at the time- the radical idea that\, despite its complexity\, life can be described by mathematical rules governing physical processes. Since then\, the idea has been explored theoretically with simple models such as cellular automata\, originally introduced by von Neumann\, or with highly complex biochemical experiments. There is a lack of the experimental counterpart of the simple theoretical models. \nSeveral years ago\, we designed the simplest experimental system that can still manifest the key characteristics of living organisms. Our system does not involve any biochemical interactions but only purely physical effects. We showed that artificial atoms (strongly Brownian polystyrene spheres sustained in water) can form autocatalytic\, dynamic adaptive crystals with a garden variety of patterns (Nature Commun. 2017). We further formulated the physical processes of their emergence and uncovered universality (Nature Phys. 2020). Understanding the rules behind their “birth” and “life” motivated us to study their “death\,” which led to the discovery that one-time-only energy delivery may be enough to form connections between initially uncorrelated and spatially distant atoms (JPCM 2021). In this talk\, I will walk you through this journey and explore the possibility of approaching life from first principles. \n \nAbout The Speaker\nSerim’s research is at the intersection of soft condensed matter\, active matter\, self-assembly\, complexity\, nonequilibrium statistical physics\, and nonlinear dynamics. She is an Assistant Professor at the Institute of Materials Science and Nanotechnology & National Nanotechnology Research Center (UNAM) at Bilkent University\, Ankara\, Turkey\, which she joined in December 2017. Before that\, she was a postdoctoral researcher and later a research scientist at the Physics Department at Bilkent University. She received her Ph.D. from Middle East Technical University\, Ankara\, Turkey\, in 2014. She is the recipient of prestigious awards and recognitions\, including the L’Oreal-UNESCO For Women in Science (FWIS) in 2018 and European Research Council Starting Grant (ERC-StG) in 2019. She has been a Fellow of the Young Academy of Europe (YAE) since 2020 and was elected as an ‘Emerging Leader’ in condensed matter physics by the Editorial Board of the Journal of Physics: Condensed Matter the same year. Her research has been published in renowned journals\, including Nature Physics\, Nature Photonics\, Nature Communications\, and Nano Letters. \n\nJoin Zoom Meeting\nhttps://zoom.us/j/95581724217 \n\n 
URL:https://unam.bilkent.edu.tr/en/event/the-birth-life-and-death-of-dissipative-colloidal-crystals/
ATTACH;FMTTYPE=image/jpeg:https://unam.bilkent.edu.tr/en/wp-content/uploads/2021/11/SERIM-ILDAY.jpg
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