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SUMMARY:Chemical Engineering Fall Seminar Series: Sujit Datta
DESCRIPTION:Life in a tight spot: Spying on bacteria in complex spaces \nLocation: Snell Engineering Center 168 \nAbstract: Bacteria are arguably the simplest form of life; and yet\, as multi-cellular collectives\, they perform complex functions critical to environment\, food\, health\, and industry. What principles govern how complex behaviors emerge in bacterial collectives? And how can we harness them to control bacterial behavior? In this talk\, I will describe my group’s work addressing this question using tools from soft matter engineering\, 3D imaging\, and biophysical modeling. We have developed the ability to (i) directly visualize bacteria from the scale of a single cell to that of an entire multi-cellular collective\, (ii) 3D-print precisely structured collectives\, and (iii) model their large-scale motion and growth in complex environments. I will describe how\, using this approach\, we are developing new ways to predict and control how bacterial collectives — and potentially other forms of “active matter” — spread large distances\, adapt shape to resist perturbations\, and self-regulate growth to access more space by processing chemical information in their local environments. \n\nSujit Datta is a Professor of Chemical Engineering\, Bioengineering\, and Biophysics at Caltech. Prior\, he was at Princeton University\, where he started his faculty career in 2017 and was promoted to Associate Professor of Chemical and Biological Engineering in 2022. \nSujit earned a BA in Mathematics and Physics and an MS in Physics in 2008 from the University of Pennsylvania\, and then a PhD in Physics in 2013 from Harvard\, where he studied fluid dynamics and instabilities in soft and disordered media with Dave Weitz. His postdoctoral training was in Chemical Engineering at Caltech\, where he studied the biophysics of the gut with Rustem Ismagilov. \nThe Datta Lab studies the dynamics\, self-organization\, and applications of complex\, soft (“squishy”)\, and living systems\, with a focus on complex fluids\, gels\, and bacterial communities/active matter\, motivated by challenges in biotechnology\, energy\, environment\, and medicine. Their work integrates microscopy\, microfluidics\, materials science\, and biophysical characterization with theoretical & computational modeling\, applying ideas from fluid and solid mechanics\, colloidal science\, polymer physics\, statistical mechanics\, and network science. Altogether\, this research program has revealed and shed new light on the fascinating behaviors manifested by complex fluids and bacterial populations in complex environments\, guiding the development of new approaches to environmental remediation\, energy production\, agriculture\, water security\, and biotechnology. \nSujit’s scholarship has been recognized by awards from a broad range of different communities\, reflecting its multidisciplinary nature\, including through the AIChE Allan P. Colburn and 35 Under 35 Awards\, three awards from the APS (Early Career Award in Biological Physics\, Andreas Acrivos Award in Fluid Dynamics\, and Apker Award)\, Pew Biomedical Scholar Award\, Society of Rheology Arthur Metzner Award\, ACS Unilever Award\, Camille Dreyfus Teacher-Scholar Award\, NSF CAREER Award\, and multiple commendations for teaching. In addition to leading professional activities for a number of scientific societies and agencies\, Sujit serves on the editorial boards of Annual Reviews of Condensed Matter Physics and the Journal of Non-Newtonian Fluid Mechanics.
URL:https://che.northeastern.edu/event/chemical-engineering-fall-seminar-series-sujit-datta/
LOCATION:305 Shillman\, 360 Huntington Ave\, 305 Shillman\, Boston\, MA\, 02115\, United States
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DTSTART;TZID=America/New_York:20241009T120000
DTEND;TZID=America/New_York:20241009T130000
DTSTAMP:20260523T101101
CREATED:20240806T211835Z
LAST-MODIFIED:20240916T185711Z
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SUMMARY:Chemical Engineering Fall Seminar Series: William Tisdale
DESCRIPTION:Hybrid Semiconductor Nanomaterials \nLocation: 305 Shillman Hall \nAbstract: Hybrid organic-inorganic semiconductor nanomaterials – including colloidal quantum dots (QDs)\, 2D halide perovskites\, and metal-organic chalcogenolates (MOCs) – are excitonic materials with applications ranging from solar cells to light-emitting devices to quantum computing and quantum cryptography. In these emerging materials\, the combination of quantum and dielectric confinement\, strong exciton-phonon coupling\, and dimensionality reduction offer unprecedented opportunities for controlling light-matter-charge interactions through chemistry. In this talk\, I will describe recent work from my lab on the synthesis of hybrid semiconductor nanomaterials and our evolving understanding of how structure and chemical functionalization influence excited state dynamics. Using a combination of ultrafast laser spectroscopy\, time-resolved optical microscopy\, and kinetic modeling\, we will explore the impact of nonequilibrium population dynamics on excited state transport phenomena and the emergence of unique electronic and vibrational phenomena. \n\nWill Tisdale is the Warren K. Lewis Professor of Chemical Engineering at MIT\, where he has been teaching and leading a research team since 2012. His research program is focused on the discovery of hybrid organic-inorganic nanomaterials capable of transporting energy in new ways\, and on the use and development of ultrafast laser spectroscopy methods and advanced optical microscopy techniques for probing dynamics at the nanoscale. Will’s contributions to research have been recognized by the Presidential Early Career Award for Scientists and Engineers (PECASE)\, an Alfred P. Sloan Fellowship\, the Camille Dreyfus Teacher-Scholar Award\, the DOE Early Career Award\, the NSF CAREER Award\, the AIChE NSEF Young Investigator Award\, and a 3M Non-Tenured Faculty Award. \nFor his dedication to undergraduate teaching Will has received MIT’s highest honor\, the MacVicar Fellowship\, as well as the student-selected Baker Award\, the School of Engineering’s Amare Bose Award\, and he is a 7-time recipient of the C. Michael Mohr Undergraduate Teaching Award\, which is voted annually by the Chemical Engineering undergraduate students at MIT. Will graduated magna cum laude from the University of Delaware in 2005\, earning an Honors B.S. in Chemical Engineering\, with Distinction\, and minoring in Economics. He earned a Ph.D. in Chemical Engineering at the University of Minnesota in 2010\, then studied as a postdoctoral associate in the Research Laboratory of Electronics at MIT before joining the faculty in Chemical Engineering in 2012. \n 
URL:https://che.northeastern.edu/event/chemical-engineering-fall-seminar-series-william-tisdale/
LOCATION:305 Shillman\, 360 Huntington Ave\, 305 Shillman\, Boston\, MA\, 02115\, United States
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DTSTART;TZID=America/New_York:20241010T170000
DTEND;TZID=America/New_York:20241010T190000
DTSTAMP:20260523T101101
CREATED:20240806T175016Z
LAST-MODIFIED:20240806T175016Z
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SUMMARY:SOURCE\, the Showcase of Opportunities for Undergraduate Research and Creative Endeavor
DESCRIPTION:Learn more about what cutting-edge research and creative endeavors look like at Northeastern. Talk one-on-one with faculty from across the colleges about their work – and learn how you can get involved in projects during your time at Northeastern. \nSOURCE is a collaboration between Bouvé College of Health Sciences; College of Arts\, Media and Design; College of Engineering; College of Science; College of Social Sciences and Humanities; D’Amore-McKim School of Business; and Khoury College of Computer Science. It is coordinated by Undergraduate Research and Fellowships on behalf of the Office of the Chancellor. \nPlease write to URF@Northeastern.edu with any questions.
URL:https://che.northeastern.edu/event/source-the-showcase-of-opportunities-for-undergraduate-research-and-creative-endeavor-2/
LOCATION:Curry Student Center\, 360 Huntington Ave.\, Boston\, MA\, 02115\, United States
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DTSTART;TZID=America/New_York:20241016T120000
DTEND;TZID=America/New_York:20241016T130000
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SUMMARY:Chemical Engineering Fall Seminar Series: Niya Sa
DESCRIPTION:Probe the Dynamic Interfaces of Beyond Lithium-ion Energy Storage Systems \nLocation: 305 Shillman Hall \nAbstract: Rapid growth of technology in the past few decades has spurred a demand for advanced energy storage devices. The invention of a more advanced battery system with higher levels of performance will be a groundbreaking discovery in the rechargeable battery field. Multivalent chemistry offers promising benefits in the development of beyond lithium-ion technologies. The direct usage of the multivalent metal anode is essential to enhance the energy density of the multivalent ion battery. For instance\, Magnesium\, Calcium and Zinc offer an immense alternative to the existing Li-ion batteries due to their multivalent nature and vast abundance in the Earth’s crust. However\, possible film formation at the solid/liquid interface complicates the electrochemical properties of such systems. The least understood solid electrolyte interphase (SEI)\, its formation and dynamic evolution has not been extensively explored for multivalent battery systems with many unknowns remain to be answered. We aim to use electroanalytical tools to probe the dynamic evolution of the solid electrolyte interface in-situ for multivalent systems and investigate its correlation with the electrochemical processes. This presentation focuses on some very recent research findings from our team for understanding the interfacial chemistry\, evolution\, and stability for different multivalent battery systems. \n\nProfessor Niya Sa is an Associate Professor in the Department of Chemistry at the University of Massachusetts Boston. She received her Ph.D. from the Analytical Chemistry (Electroanalytical Chemistry) program at Indiana University-Bloomington\, where she worked with Professor Lane A. Baker on understanding fundamental ion transport phenomena in confined regime. She extended her training working as a postdoc research fellow at the Electrochemical Energy Storage Division at Argonne National Lab. Her research focus at Argonne was to develop beyond lithium-ion battery materials. She joined the University of Massachusetts in 2017 as an Assistant Professor\, and her current research interests include probing the electrochemical interfaces for energy materials\, development of new electrolytes for next-generation energy storage systems. Niya is a recipient of the NSF CAREER Award. She also received the Endowed Faculty Career Development Award\, Joseph P. Healey Award\, and the Early Career Research Excellence Award from University of Massachusetts.
URL:https://che.northeastern.edu/event/chemical-engineering-fall-seminar-series-niya-sa/
LOCATION:305 Shillman\, 360 Huntington Ave\, 305 Shillman\, Boston\, MA\, 02115\, United States
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