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DTSTART;TZID=America/New_York:20210210T120000
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SUMMARY:ChE Seminar: Organic Aqueous Flow Batteries for Massive Electrical Energy
DESCRIPTION:Michael J. Aziz\nGene and Tracy Sykes Professor of Materials and Energy Technologies\, Harvard John A. Paulson School of Engineering and Applied Sciences\nHarvard University \nOrganic Aqueous Flow Batteries for Massive Electrical Energy \nAbstract \nThe ability to store large amounts of electrical energy is of increasing importance with the growing fraction of electricity generation from intermittent renewable sources such as wind and solar. \nFlow batteries show promise because the designer can independently scale the power (electrode area) and energy (arbitrarily large storage volume) components of the system by maintaining all electro-active species in fluids. The wide-scale utilization of flow batteries is limited by the abundance and cost of these materials. \nWe have developed an approach to electricity storage in flow batteries using the aqueous redox chemistry of small\, potentially inexpensive organic and organometallic molecules. This new approach may enable massive electrical energy storage at a greatly reduced cost. \nBiography \nMichael J. Aziz has been a member of the faculty at what is now the Harvard John A. Paulson School of Engineering and Applied Sciences since he joined in 1986 and is now Gene and Tracy Sykes Professor of Materials and Energy Technologies. His recent research interests include novel materials and processes for energy technology and greenhouse gas mitigation. He is co-inventor of the organic aqueous flow battery and directs multi-investigator research programs on stationary electrical energy storage and porous electrodes. He is a Fellow of the APS\, the MRS\, and the AAAS and is the co-recipient of the 2019 Energy Frontiers Prize from Eni. \nIf you would like access to the virtual seminar\, please contact a.ramsey@northeastern.edu
URL:https://che.northeastern.edu/event/che-seminar-organic-aqueous-flow-batteries-for-massive-electrical-energy/
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DTSTART;TZID=America/New_York:20210217T120000
DTEND;TZID=America/New_York:20210217T130000
DTSTAMP:20260414T052049
CREATED:20210212T195512Z
LAST-MODIFIED:20210212T195512Z
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SUMMARY:ChE Seminar: 3D Printing End-Functionalized Polymer Conjugates to Fabricate Spatially Organized Biomaterials
DESCRIPTION:Lesley W. Chow\, Ph.D.\nDepartment of Materials Science and Engineering\nDepartment of Bioengineering\nLehigh University \n3D Printing End-Functionalized Polymer Conjugates to Fabricate Spatially Organized Biomaterials \nAbstract: Biodegradable polymer scaffolds for tissue engineering can be functionalized with specific chemistries to direct desired cellular behavior and matrix formation. These scaffolds are typically modified post-fabrication\, which can lead to undesirable changes in scaffold properties. In addition\, most functionalization strategies result in homogeneously distributed chemistries that fail to mimic the anisotropic biochemical organization found in native tissues. To address these challenges\, we developed a versatile platform where end-functionalized polymer conjugates are 3D printed into well-defined patterns. The end groups (i.e.\, peptides\, bioorthogonal chemistries) on the conjugate become displayed on the surface during fabrication to generate functionalized scaffolds in a single step without affecting scaffold architecture. This strategy also enables us to control the spatial organization of multiple chemistries within a continuous construct. This seminar will describe our platform and discuss how we are using this modular approach to fabricate scaffolds to direct osteochondral tissue regeneration. \nBiography: Dr. Lesley Chow is a Frank Hook Assistant Professor jointly appointed in the Departments of Materials Science and Engineering and Bioengineering at Lehigh University. She was recently appointed to the Harold Chambers Junior Professorship in 2019 and received the NSF CAREER Award in 2020. She joined Lehigh following her postdoctoral training at Imperial College London in the Departments of Materials and Bioengineering. She received her B.S. in Materials Science and Engineering from the University of Florida and her Ph.D. in Materials Science and Engineering from Northwestern University. \nPlease contact Alyssa Ramsey a.ramsey@northeastern.edu for the link information.
URL:https://che.northeastern.edu/event/che-seminar-3d-printing-end-functionalized-polymer-conjugates-to-fabricate-spatially-organized-biomaterials/
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DTSTART;TZID=America/New_York:20210224T120000
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DTSTAMP:20260414T052049
CREATED:20210217T192431Z
LAST-MODIFIED:20210219T022114Z
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SUMMARY:Engineers Week: A Multi-Scale Approach to Plant Specialized Metabolic Engineering
DESCRIPTION:The Chemical Engineering department is hosting Susan Roberts as a speaker for this year’s Engineers Week events. \n\nLocation: This event is virtual\, free\, and open to the public. \nRegister to join \n\nSusan RobertsWorcester Polytechnic Institute \nA Multi-Scale Approach to Plant Specialized Metabolic Engineering \nProfessor Roberts’ research is focused on cellular engineering and design of bioprocesses using plant-based systems. Plants produce sophisticated small molecules that play key roles in defense against predators and environmental elements. These natural products are synthesized through specialized metabolic pathways\, that have both shared and unique components when compared amongst plant systems. These specialized metabolites are useful in a variety of societal applications including as nutraceuticals\, flavorings\, colorings and pharmaceuticals. The supply of these compounds is often hindered due to low yields in nature and the inability to chemically synthesize at scale. She uses plant cell culture technology as both a system of study and a scalable production system due to the ability to engineer cells and the environment to optimize accumulation of products of interest. During this event she will present the story of understanding and optimizing paclitaxel production in Taxus plant cell suspension culture using a multi-pronged cellular engineering approach (intracellular\, intercellular and extracellular scales). She will focus on recent approaches and results in considering global specialized metabolism\, specialized metabolite transport and epigenetic mechanisms. Her group uses a combination of traditional bioprocess engineering techniques (e.g.\, bioreactor design\, cell culture\, cell encapsulation)\, modern molecular biology and analytical chemistry techniques (e.g.\, gene transfer\, transcriptomics analyses\, UPLC) and mathematical modeling (e.g.\, genome scale modeling\, metabolic flux analyses). Her research has been funded largely through the NSF\, NIH and industrial collaborations. \nDr. Susan Roberts is Professor and Head of Chemical Engineering at Worcester Polytechnic Institute (WPI). She received her BS degree in Chemical Engineering from WPI in 1992\, PhD in Chemical Engineering from Cornell University in 1998\, served on the faculty at UMass Amherst Chemical Engineering for 17 years and joined WPI as Professor and Head in 2015. Dr. Roberts’ research interests are in biomanufacturing\, cellular engineering and cell culture\, with a primary focus on plant-based systems for synthesis of natural products. She has received a number of awards for her research and education work including the NSF ADVANCE Program\, NIIMBL Workforce Development Award\, UMass President’s Science and Technology Fund Award\, NSF IGERT Award\, NSF CAREER Award\, and UMass Amherst College of Engineering Junior Faculty\, Teaching and Advising awards. Her research is supported by the NSF\, NIH and industry. She is passionate about faculty development\, training interdisciplinary engineers\, innovating graduate education and advocating for advancement of women and underrepresented groups in STEM fields. She is a proud mom to three children\, Justin (17)\, Benjamin (14)\, and Emmelyn (10)\, and puppy Molly. \nDownload Flyer (pdf)
URL:https://che.northeastern.edu/event/engineers-week-a-multi-scale-approach-to-plant-specialized-metabolic-engineering/
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