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DTSTART;TZID=America/Los_Angeles:20220216T170000
DTEND;TZID=America/Los_Angeles:20220216T180000
DTSTAMP:20260423T173242
CREATED:20211205T043656Z
LAST-MODIFIED:20220206T131237Z
UID:17874-1645030800-1645034400@www.siliconvalleyacs.org
SUMMARY:Applications of Coupled Rheology–FTIR to Polymer Analyses
DESCRIPTION:Dr. Sara Reynard\, Arkema (& President-elect of NATAS (North American Thermal Analysis Society) and Dr. Dana Garcia\, consultant (& Arkema retired)\nSponsored by the Golden Gate Polymer Forum\n5-6pm\, Online via Zoom\, Free/$5 Donation\, Registration required (Registration Deadline: Tuesday\, February 15\, 1:00 pm)\n\nAbstract\nThe advancement of coupled rheological spectroscopic techniques opens wide opportunities to study in situ structure-property-processing-performance relationships of polymers under dynamic conditions. At Arkema\, we explored the use of combined Rheo-IR in the attempt to understand the mechanisms behind phenomena such as shear instability\, preferential crystallization pathways\, structural changes under processing conditions\, and more. This presentation summarizes our initial feasibility studies on temperature-dependent structural transitions in Styrene-Butadiene Copolymers and Polymethylmethacrylate-Polylactic acid (PMMA-PLA) blends. The collection of real time IR spectra allows identification of chemical changes within the polybutadiene blocks during isothermal rheological experiments. The partial irreversibility of the chemical changes indicates a possible crosslinking of the copolymer when processed at high temperatures. In the case of PMMA-PLA blends\, the variation of the IR spectra suggests the formation of a metastable morphology formed at high temperatures\, which was difficult to detect by the rheology alone. \nIn a more recent study\, we describe the mechanisms of internal lubrication due to the addition of polymer process aids (PPAs) to polyethylene. In particular\, we will focus on commercial fluoropolymer-based polymer processing additives\, Kynar® PPAs\, used to help melt fracture during film extrusion. We show that addition of ppm levels of Kynar® PPAs into PE drastically improves the quality of extrusion. The lubrication phenomenon is due to the migration of PPA particles to the metal surface of the die\, which promotes wall slippage. Although the PPA migration mechanism at high shear rates is well understood in the industry\, very little is known about the effect of PPA on the flow behavior of the molten polymer when processed at relatively low shear rates. Our Rheo-IR findings indicate a good correlation between the transient viscosity and the evolution of the CH2 band in presence of PPA. Based on the conformational changes and the increase in PE mobility observed in the IR spectra when shearing PE with Kynar® PPA\, we suggest a new internal lubrication mechanism that involves the diffusion of PPA droplets across the polymer matrix instead of migrating to surface. This work explains why a small amount of Kynar® PPA is also beneficial for low shear rate processing such as pipe and cable extrusion. Further experiments are undergoing to investigate lubrication and migration phenomena in other commercial systems. \nSpeaker Background\nDr. Sara Reynaud joined Arkema in 2012\, where she is a Senior Research Scientist. She leads research projects on rheological behavior and mechanical properties of polymers\, and works on the implementation of new analytical methodologies. Sara is a co-author of 30+ technical publications including a highly cited review paper on boron carbide\, a book chapter on carbon nanotubes; and 3 patents. Prior to joining Arkema\, Sara was a postdoctoral associate at the Center for Ceramic Research at Rutgers University. She holds a Ph.D. degree in Material Science and Engineering from Rutgers and a combined BS/MS degree from the University of Naples in Italy. She has been actively involved with ASTM International where she is second vice-chairman of E37. Dr. Reynaud is a NATAS Fellow\, and she is currently serving as NATAS President for 2022. \nDr. Dana Garcia received her BS degree in chemistry from Stockton State University (NJ) and her Ph.D. in physical-organic chemistry from Brandeis University (MA). Dana retired in Dec. 2021 from Arkema Inc.\, where she was a Principal Scientist at the Arkema King of Prussia (Pa.) Research Center\, responsible for the vibrational spectroscopy laboratory. Prior to joining Arkema in 1987 she held industrial positions in the areas of polymer crystallization & nucleation and adhesive & composite characterization using FTIR\, thermal\, and rheological techniques. Dr. Garcia is a Fellow of the American Chemical Society and a Fellow of the American Chemical Society\, POLY Division.
URL:https://www.siliconvalleyacs.org/event/applications-of-coupled-rheology-ftir-to-polymer-analyses/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Golden-Gate-Polymer-Forum.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20220118T023000
DTEND;TZID=America/Los_Angeles:20220118T033000
DTSTAMP:20260423T173242
CREATED:20211205T042241Z
LAST-MODIFIED:20211205T042241Z
UID:17871-1642473000-1642476600@www.siliconvalleyacs.org
SUMMARY:Chemical Recycling of Mechanically Robust Polyacetals Synthesized by Living Cationic Ring-Opening Polymerization
DESCRIPTION:Prof. Brooks Abel\, UC Berkeley Chemistry Dept.\nSponsored by the Golden Gate Polymer Forum\nDetails TBA soon on the Golden Gate Polymer Forum’s website\n\nAbout the speaker:\n \nResearch Interests\nPolymer chemistry\, organic chemistry\, stereoselective catalysis\, and polymer recycling. \nThe Abel group conducts research at the interfaces of polymer organic chemistry\, catalysis\, and materials science. We develop new living polymerization reactions\, with an emphasis on stereoselective and scalable catalysis\, guided by the growing energetic\, environmental\, and economic concerns associated with the production and end-of-life fates of synthetic materials. We pursue application-driven polymer chemistry\, where the desired chemical identity\, thermomechanical properties\, and end-use of the polymer materials are used to guide the development of new polymerization methods. We also take a methodology approach to discovering new polymerization reactions to push the field of polymer chemistry towards previously unobtainable control over polymer microstructure\, architecture\, and functionality. \nBiography\n\nAssistant Professor\, Department of Chemistry\, University of California Berkeley (since 2021)\nPostdoctoral Researcher\, Cornell University (2017-2021)\nPh.D.  Polymer Science\, The University of Southern Mississippi (2016)\nNational Science Foundation Graduate Research Fellowship (2010)\nInternship at the National Institute of Standards and Technology\, Gaithersburg\, MD  (2009)\nB. S. Polymer Science\, The University of Southern Mississippi (2009)\nA. A. Southwest Mississippi Community College (2006)
URL:https://www.siliconvalleyacs.org/event/chemical-recycling-of-mechanically-robust-polyacetals-synthesized-by-living-cationic-ring-opening-polymerization/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Golden-Gate-Polymer-Forum.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211208T023000
DTEND;TZID=America/Los_Angeles:20211208T033000
DTSTAMP:20260423T173242
CREATED:20211107T224829Z
LAST-MODIFIED:20211108T153936Z
UID:17795-1638930600-1638934200@www.siliconvalleyacs.org
SUMMARY:Plastic Upcycling in the BOTTLE™ Consortium
DESCRIPTION:Dr. Kat Knauer\, Research Program Manager\, National Renewable Energy Laboratory\, & the BOTTLE Consortium\nSponsored by the Golden Gate Polymer Forum\nOnline via Zoom\, $5 donation/free\, Registration required (registration deadline is Dec. 6th at 1pm)\n\nAbstract: Bio-Optimized Technologies to keep Thermoplastics out of Landfills and the Environment (BOTTLE™) is a U.S. Department of Energy multi-organization consortium focused on developing new chemical upcycling strategies for today’s plastics and redesigning tomorrow’s plastics to be recyclable-by-design. This talk introduces the BOTTLE Consortium and presents several research highlights from efforts to date including:· \n\nCatalytic hydrogenation of polyolefins\nEnzymatic hydrolysis of PET\nUpcycling PET monomers into new high-performance thermosets\nCircular\, biodegradable polyhydroxyalkanoates\n\nTechno-economic analysis\, life cycle assessment\, and supply chain modeling will also be highlighted as critical tools to facilitate the development of economical and sustainable approaches for recycling and redesigning plastics. Insight into consumer actions to grow the circular economy will be presented and discussed. \nBio: Dr. Kat Knauer is a polymer scientist who has dedicated her scientific career to solving the plastic waste problem. She has a PhD in Polymer Science and Engineering from the University of Southern Mississippi. She completed the BASF Leadership Development Program (LDP) in 2018 and assumed a Senior Scientist role in BASF’s Plastics Division. Her research efforts in advanced recycling technologies led her to leading the Materials Innovation R&D team at Novoloop (formerly BioCellection)\, a San Francisco Bay Area chemical recycling startup. At Novoloop she helped develop a technology to convert post-consumer polyethylene waste into valuable chemical building blocks for upcycling into new high-performing polymer applications. Recently\, Dr. Knauer joined the National Renewable Energy Laboratory (NREL) and the BOTTLE Consortium where she is developing sustainable technologies to chemically upcycle today’s existing plastic waste streams and develop new plastics for the future that are recyclable by design.
URL:https://www.siliconvalleyacs.org/event/plastic-upcycling-in-the-bottle-consortium/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/11/Graphic-BOTTLE-Research_GGPF-Dec2021.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211207T190000
DTEND;TZID=America/Los_Angeles:20211207T200000
DTSTAMP:20260423T173242
CREATED:20210909T134309Z
LAST-MODIFIED:20211117T205736Z
UID:17541-1638903600-1638907200@www.siliconvalleyacs.org
SUMMARY:Checkerspot: From Molecule to Material to Mountain & Beyond
DESCRIPTION:Download and share the flyer! \n\nCharles Rand\, Ph.D.\, Manager of Materials Science\, Checkerspot\nSponsored by Silicon Valley ACS\nOnline via Zoom\, Free\, Registration required\n\nAbstract: The world needs new\, high-performance materials that are less toxic and safe for the environment. The field of materials science is running short of molecular building blocks\, having exhausted the permutations available from petrochemical and commodity vegetable oil monomers. A wealth of alternatives\, however\, are available through pathways that nature has developed over billions of years. \nCheckerspot is a materials company that creates new high-performance materials by leveraging biotechnology. We do this by optimizing microbes to biomanufacture oils (and derivative fatty acids) that have\, up until now\, not been accessible commercially. Our first materials applications that demonstrate our approach are next generation polyurethanes\, which are designed for the improved performance of skis and snowboards as animated through the WNDR Alpine outdoor brand. Our Vision is one of empowerment: to deliver unique\, inspiring technologies and materials into the creative hands of fabricators and designers\, the makers that conceive the next generation of high-performance products. This talk will discuss the structural organization of Checkerspot\, the potential of Checkerspot’s Molecular Foundry\, and some of the challenges and approaches of animating Checkerspot’s new materials into skis and snowboards through the WNDR Alpine outdoor brand. \nBio: \nDr. Charles Rand is the Manager of Material Science and Application Development for Checkerspot. The material science group at Checkerspot is focused on developing materials made from Checkerspot’s algal oils including the algal derived polyols used to make polyurethanes. This includes cast and rigid foam polyurethanes used in WNDR Alpine skis. Charles received his PhD in Polymer Science and Engineering from the University of Massachusetts\, Amherst. After completing his PhD\, Charles joined Rohm & Haas which was acquired by Dow Chemical. Charles has 13 granted patents and has developed materials for photovoltaic applications\, roof coatings\, concrete\, and insulation binders for the construction industry as well as binders for the acquisition layer in diapers.
URL:https://www.siliconvalleyacs.org/event/charles-rand/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/11/Checkerspot_7Dec2021_SVACS-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211112T183000
DTEND;TZID=America/Los_Angeles:20211112T200000
DTSTAMP:20260423T173242
CREATED:20211018T225826Z
LAST-MODIFIED:20211018T230209Z
UID:17724-1636741800-1636747200@www.siliconvalleyacs.org
SUMMARY:A Career Journey in the field of Environmental Toxicology
DESCRIPTION:November 13\, 2021 from 10:30-Noon\nOnline via Zoom\, Free\, Register by Nov. 11th at Noon\nSponsored by the ACS California Section’s Women Chemists Committee\nDownload Flyer\n\nAbstract: Dr. Taylor will cover her early education\, what drew her to environmental chemistry\, and in particular\, environmental toxicology. She will share some tips for early career scientists on how to network\, specifically on how to prepare for conference networking and the importance of volunteering in expanding one’s network. She will give examples from her own participation in the CA section ACS. Dr. Taylor can be contacted via her LinkedIn. \nBio: Dr. Alicia Taylor is an environmental toxicologist and will share her career path (academia\, consulting\, government) with audience members. Dr. Taylor studied environmental toxicology\, which included water chemistry\, for her PhD at the University of California at Riverside.\nShe completed a postdoc at UC Berkeley\, and then was an environmental science consultant for five years. During the pandemic\, Dr. Taylor took a new job\, and now holds a government scientist position at the California Department of Toxic Substances Control. Within the Safer Consumer Products Program\, Dr. Taylor helps to reduce potentially toxic chemicals in consumer products. \nTime\n10:30 – 11:00 a.m. Chatting\n11:00 a.m. Talk and Discussion \nReservation:\nPlease visit the CalACS website www.calacs.org to register for this meeting or use Brown Papers Tickets. Please register before Thursday\, November 11\, 2021\, 12 PM. Your email address is needed to send the ZOOM link\, which will be shared with attendees on or before the day of the event via Brown Paper Tickets. \nQuestions: Please contact Elaine Yamaguchi
URL:https://www.siliconvalleyacs.org/event/a-career-journey-in-the-field-of-environmental-toxicology/
LOCATION:Virtual
CATEGORIES:Dinner Meeting,Careers
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/10/Alicia-Taylor.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211021T040000
DTEND;TZID=America/Los_Angeles:20211021T050000
DTSTAMP:20260423T173242
CREATED:20210909T130815Z
LAST-MODIFIED:20211001T125649Z
UID:17527-1634788800-1634792400@www.siliconvalleyacs.org
SUMMARY:Polymers in Coatings\, Inks\, and 3D Printing: The Basics of UV and EB Curing
DESCRIPTION:Dr. Mike Idacavage\, Radical Curing\nSponsored by the ACS Silicon Valley Section\n7-8pm\, Online via Zoom\, Free\, Registration required\nDownload flyer\n\nAbstract:\nThe Energy Curable industry has grown tremendously since its beginnings in the early 1970s. The use of light or low energy electrons as the energy source for curing coatings is very attractive from a sustainability point of view. However\, the main driving force for this technology has been the ability to lower process time and costs along with the ability to prepare coatings with unique properties. This seminar will present an introduction to photopolymerizations\, otherwise known as UV and EB curing. In addition to the basic chemistry\, an overview of various aspects of applications for UV coatings along with the equipment that is used will be covered. \nBio:\n \nDr. Mike J. Idacavage received his B.S. (Chemistry) from Drexel University in 1975 and his Ph.D. from Syracuse University in 1979 (Organometallic Chemistry). He joined Eastman Chemicals in 1979\, serving at different times as Development Chemist\, Manufacturing Support and Technical Service for Coatings. Mike’s work in the area of energy curing started at Eastman Chemicals with the establishment of a photopolymer lab in 1985. From 1986 to 1996\, he held the position initially of Technical Manager and then Research Director at NAPP Systems\, a major supplier of photopolymer printing plates. In 1996\, he left NAPP to join UCB Chemicals\, a supplier of Radiation Curable Monomers and Oligomers\, as the Global R&D Director followed by the VP of Global R&D. Mike was the Principal Research Fellow in Cytec with a focus on global research in UV/EB curable and Electronics Materials from 2007 to 2011. \n  \nIn 2003\, Mike received the President’s Award for Outstanding Achievements to the Radiation Curing Industry from RadTech North America. Active in RadTech North America\, the leading industrial Association for Energy Curing\, Mike was Editor in Chief for the RadTech Report from 2002 to 2006 followed by election in 2006 as Secretary on the RadTech North America Executive Board of Directors. Mike has served as President of RadTech North America for the 2009 to 2010 term. Mike has also served on the FlexTech Alliance Technology Council for 2009 – 2011 and served as chair for the Council in 2011. In addition\, Mike has served as a co-chair for the FlexTech Flexible Electronics conference from 2009 to 2015 and as conference advisor for the 2016 FlexTech conference. \nMike became the Vice President of Business Development in 2011 with a focus on UV Curable industrial coatings\, 3D Printing resins and adhesives for PL Industries\, a division of Esstech Inc.  Mike moved in 2015 to the position as the Vice President of Business Development for CPS. In this role\, Mike worked as the liaison between customers and CPS in addition to serving as a technical advisor on a wide range of UV and EB curing projects. Currently\, Mike is serving as an advisor and consultant to RadTech and multiple established and start-up companies in the UV and EB curable market.  Mike is also an Adjunct Associate Professor at SUNY-ESF in Syracuse\, NY teaching courses in UV and EB curing technology and UV Curable 3D Printing.
URL:https://www.siliconvalleyacs.org/event/photopolymers-used-in-coatings-inks-and-3d-printing-materials/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/photopolymers_18Sept21_v4_outline-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211021T033000
DTEND;TZID=America/Los_Angeles:20211021T043000
DTSTAMP:20260423T173242
CREATED:20210928T142042Z
LAST-MODIFIED:20210928T142356Z
UID:17702-1634787000-1634790600@www.siliconvalleyacs.org
SUMMARY:Rheological Characterization of Respiratory Secretions in Severe SARS-CoV-2 (COVID-19) Infections
DESCRIPTION:Prof. Andrew J. Spakowitz\, Depts. of Chemical Engineering and Materials Science & Engineering\, Stanford University\nSponsored by the Golden Gate Polymer Forum\nOctober 21st\, 6:30-7:30 pm\, Online via Zoom\, $5 donation/Free\, Registration required (registration deadline Oct. 19th @ 1pm)\n\nAbstract: Thick\, viscous respiratory secretions are common in severe cases of COVID-19 disease and greatly contribute to breathing difficulty. Understanding the polymeric composition and the rheological properties of these secretions can inform the development of treatments to improve the respiratory function of these patients. After measuring the composition of respiratory secretions collected from intubated COVID-19 patients and controls\, we found that DNA content and hyaluronan content were greatly elevated in COVID-19 sputum. Across all patients\, COVID-19 sputum exhibited a wide distribution in rheological properties\, which were measured using dynamic light scattering microrheology. Respiratory secretions from COVID-19 patients had a statistically significant increase in storage moduli compared to healthy controls. We explored the possibility of reducing sputum viscosity by treating the aspirates enzymatically with hyaluronidase or DNase\, which degrade hyaluronan and DNA\, respectively. Interestingly\, there was a strong positive correlation between the shear modulus of COVID-19 sputum and the effect of these enzymes. These results suggest that DNA and hyaluronan may be viable therapeutic targets in COVID-19 infection and could be targeted with FDA-approved enzymes already clinically used for other indications. \nBio: Prof. Spakowitz received his Ph.D. from CalTech\, and is a Professor in both departments of Chemical Engineering and Materials Science & Engineering at Stanford University. The Spakowitz research group is engaged in projects that address fundamental chemical and physical phenomena underlying a range of biological processes and soft-material applications. Current research in his research group focuses on four main research themes: chromosomal organization and dynamics\, protein self-assembly\, polymer membranes\, and charge transport in conducting polymers. These broad research areas offer complementary perspectives on chemical and physical processes\, and they leverage this complementarity throughout their research. This approach draws from a diverse range of theoretical and computational methods\, including analytical theory of semiflexible polymers\, polymer field theory\, continuum elastic mechanics\, Brownian dynamics simulation\, equilibrium and dynamic Monte Carlo simulations\, and analytical theory and numerical simulations of reaction-diffusion phenomena. A common thread in the work is the need to capture phenomena over many length and time scales\, and flexibility in research methodologies provides them with the critical tools to address these complex multidisciplinary problems. \nhttp://web.stanford.edu/~ajspakow/ \n 
URL:https://www.siliconvalleyacs.org/event/rheological-characterization-of-respiratory-secretions-in-severe-sars-cov-2-covid-19-infections/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Golden-Gate-Polymer-Forum.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210930T033000
DTEND;TZID=America/Los_Angeles:20210930T043000
DTSTAMP:20260423T173242
CREATED:20210901T223711Z
LAST-MODIFIED:20210901T223923Z
UID:17463-1632972600-1632976200@www.siliconvalleyacs.org
SUMMARY:Folding Sequence-Defined Peptoid Polymers into Protein Mimetic Nanostructures
DESCRIPTION:Dr. Ronald Zuckermann\, Biological Nanostructures Facility\, The Molecular Foundry\, Lawrence Berkeley National Laboratory\nSponsored by the Golden Gate Polymer Forum\n6:30-7:30pm\, Online via Zoom\, $5 donation/Free\, Registration required (registration deadline is Sept. 28th at 1pm)\n\nAbstract: \nA longstanding challenge in molecular biomimicry is to build synthetic nanostructures with the same architectural sophistication as proteins. One of the most promising ways to do this is to synthesize sequence-defined\, non-natural polymer chains that\, like in nature\, spontaneously fold and assemble into precise three-dimensional structures. This was originally a synthesis problem\, but the automated solid-phase submonomer synthesis method now allows one to efficiently synthesize high-purity\, sequence-defined peptoid polymers up to 50 monomers in length. The method uses readily available primary amine synthons\, allowing hundreds of chemically diverse side chains to be cheaply introduced. \nThis remarkable synthetic capability raised the next problem: which chemical sequences in a chain encode for precise folding into a 3D structure? This is essentially the protein folding problem extended to the non-natural world. Using results from our synthetic capabilities in concert with computational modeling and high-resolution characterization techniques\, we will discuss the design\, synthesis\, assembly\, and engineering of a variety of protein-mimetic nanostructures. We show by direct cryo-TEM imaging\, AFM\, NMR\, and x-ray scattering\, that all known crystalline peptoid assemblies share a universal secondary structure motif\, the cis-Sigma strand\, based on a backbone fold containing all cis-amide bonds. The unexpected universality of peptoid backbone folding offers a unique opportunity to rationally design and engineer these materials to create robust nanomaterials capable of protein-like functions\, such as specific molecular recognition and catalysis. \nBio: \nRonald Zuckermann is a Sr. Research Advisor at the Molecular Foundry at the Lawrence Berkeley National Laboratory\, where he studies the mimicry of biological architectures using bio-inspired polymers. He received his BS in Chemistry in 1984 from Harvey Mudd College where he did undergraduate research in synthetic organic chemistry. He then went on to UC Berkeley to study Bioorganic Chemistry with Prof. Peter Schultz. His thesis work was on the synthesis of semi-synthetic nucleases capable of the sequence-specific cleavage of RNA. After receiving the first Schultz group PhD in 1989\, he became one of the founding chemists at Protos Corp.\, a combinatorial drug discovery start-up in Emeryville\, CA. There he helped develop several key drug discovery technologies such as robotic combinatorial library synthesizers\, affinity selection methods\, and a novel class of heteropolymers called “Peptoids”. Chiron Corp. acquired Protos in 1991 where this work continued and was applied to small molecule drug discovery\, new biomaterials\, and nucleic acid delivery. Dr. Zuckermann was promoted to Research Fellow in 2003. In early 2006\, he left Chiron to direct the Biological Nanostructures Facility of the Molecular Foundry at Lawrence Berkeley National Laboratory to do research at the interface of chemistry\, biology and nanoscience. There he pioneered the field of peptoid nanostructure\, folding sequence-defined peptoid polymer chains into protein-like nanoarchitectures. He has published over 180 papers and is co-inventor on 38 patents.
URL:https://www.siliconvalleyacs.org/event/folding-sequence-defined-peptoid-polymers-into-protein-mimetic-nanostructures/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Golden-Gate-Polymer-Forum.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210924T230000
DTEND;TZID=America/Los_Angeles:20210925T010000
DTSTAMP:20260423T173242
CREATED:20210901T215148Z
LAST-MODIFIED:20210901T215306Z
UID:17452-1632524400-1632531600@www.siliconvalleyacs.org
SUMMARY:7th Annual Flavors of Chemistry - Complex Flavor Creation: Eliciting Emotion with Chemicals
DESCRIPTION:Dr. Sean LaFond\, Director of Flavor for Verofolia and Consultant for Edible Odessy\nSponsored by the ACS Sacramento Section\n2-4pm (Presentation is from 3-4pm)\, In-person with Livestream\,  Free\, Learn more and register\, Download flyer\n\n \nThe ACS Sacramento Section is pleased to announce that our 7th Annual Flavors of Chemistry will be occurring in-person at UC Davis with a live-stream on Saturday\, September 25th. The presentation will be from 2:30–4 PM\, with a networking social starting at 2 PM. This free event will feature Dr. Sean LaFond talking about flavor creation.  You will receive the Zoom link in the confirmation email after you register.   Download flyer. \nThis event will follow the UC Davis’ COVID-19 safety protocols. As the event gets closer\, please check the registration page for updates on any changes. \nTentative Schedule: \n\n2-2:30 pm Networking and coffee\n2:30-3 pm Welcome\n3-4 pm Presentation: Complex Flavor Creation: Eliciting Emotion with Chemicals\n\nAbstract: \nThe food we eat\, the beverages we drink\, and the environment we live in are filled with a vast array of volatile chemical compounds. Despite the chemical complexity in the world around us\, we are capable of perceiving complex mixtures as single percepts: a strawberry tastes like strawberry; an egg tastes like an egg; a bourbon whiskey tastes like bourbon whiskey. Join me for a discussion about the psychophysical underpinnings of complex flavor perception and how to leverage them to build flavors from their molecular components. \nBio: \nSean LaFond is the Director of Flavor for Verofolia\, located in Healdsburg\, CA\, as well as a scientific consultant for Edible Odyssey in Davis\, CA. During the past fifteen years\, Dr. LaFond has worked on numerous projects in the food industry and academia. His research interests encompass the creation of complex flavors and the sensory methods to evaluate them. He holds a MS in Food Science from the University of Illinois at Urbana-Champaign where he studied lipid oxidation in frying oils\, and a PhD in Food Science from the University of California at Davis where he studied the sensory perception of flavor blending.
URL:https://www.siliconvalleyacs.org/event/7th-annual-flavors-of-chemistry-complex-flavor-creation-eliciting-emotion-with-chemicals/
LOCATION:Hybrid event – Michael’s at Shoreline\, 2960 N. Shoreline Blvd.\, Mountain View\, CA\, 94043\, United States
CATEGORIES:Dinner Meeting,Networking
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210922T040000
DTEND;TZID=America/Los_Angeles:20210922T050000
DTSTAMP:20260423T173242
CREATED:20210901T213751Z
LAST-MODIFIED:20210901T213901Z
UID:17449-1632283200-1632286800@www.siliconvalleyacs.org
SUMMARY:Improved Energy and Information Collection from Light with Nanomaterials
DESCRIPTION:Professor Oscar Vazquez-Mena\, University of California at San Diego\nSponsored by the ACS San Diego Section\n7pm-8pm\, Online via Zoom\, Free\, Learn more and register\n\nAbstract:  \nLight carries vital energy and information for life. It is the key for photosynthesis\, and the reason for one of our key senses: sight. A key challenge to achieve sustainable development is the efficient use of sun light energy to replace carbon fuels. At the same time\, light encodes critical information from our surroundings that sometimes goes beyond the visual range of our eyes. Information on biomolecules\, toxic gases and night vision capabilities can be found in the infrared\, which our eyes are not capable to detect. In this talk\, Prof. Vazquez will present a novel architecture based on two important nanomaterials to improve both energy extraction and information collection from light beyond the visible range. His goal is to bring energy and information harvest capabilities into the hands of human beings\, enabling individual sto extend their perception and interactions with their surroundings via efficient energy and information collection from light surrounding us. \nBio: \nDr. Oscar Vazquez Mena received his Ph.D. from the Swiss Federal Institute of Technology of Lausanne (EPFL) in Switzerland. He did postdoctoral research stages at the University of California\, Berkeley in the Department of Physics from 2011 to 2014\, and at the Institute of Photonic Sciences in Barcelona in 2015 with a Marie Sklodowska-Curie fellowship. Before his Ph.D.\, he obtained his  B.S. in Physics Engineering from the Monterrey Institute of Technology in 2000 in Mexico\, and then his M.S. degree from Chalmers University of Technology in Sweden\, realizing  his thesis at Delft University of Technology.  He is a recipient of the DARPA Young Faculty Award\, the DARPA’s Director Fellowship\, and the NSF CAREER award. He has also done extensive outreach to promote higher education among underserved communities\, receiving the UC San Diego Cesar Chavez faculty award and the Outstanding Engineering Educator from the SD County Engineering Council.
URL:https://www.siliconvalleyacs.org/event/improved-energy-and-information-collection-from-light-with-nanomaterials/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/png:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Oscar_Vazquez-Mena.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210917T193000
DTEND;TZID=America/Los_Angeles:20210917T210000
DTSTAMP:20260423T173242
CREATED:20210901T225958Z
LAST-MODIFIED:20210901T225958Z
UID:17445-1631907000-1631912400@www.siliconvalleyacs.org
SUMMARY:Air Pollution in High Definition: Building Low-Cost Sensor Networks & Community Partnerships
DESCRIPTION:Dr. Alexis Shusterman and Dr. Chelsea Preble\, University of California at Berkeley\nSponsored by the ACS California Section\, Women Chemists Committee\n10:30am-Noon\, Online via Zoom\, Free\, Learn more and register (Please register no later than Friday\, Sept. 17\, 2021 before 10:30 am)\n\nAbstract: \nMeasuring atmospheric pollutants at high spatiotemporal resolution has the potential to help identify problematic sources as well as pinpoint communities facing disproportionate risks. Most traditional air quality monitoring campaigns\, however\, have been necessarily sparse in their resolution owing to the significant upfront and operational costs of high-precision and high-accuracy instrumentation. We explore the intersection of this measurement challenge with the issue of environmental justice in the United States and make an argument for the benefits of tracking air pollution at the neighborhood scale using low-cost monitoring techniques. We also present initial results from community air quality studies in West Oakland and Richmond\, two San Francisco Bay Area communities that are burdened by diesel particulate matter pollution. In these studies\, we deployed custom-built\, low-cost black carbon (BC)—or soot—sensors outside of community members’ homes and businesses. These dense networks captured seasonal trends in ambient BC on a block-by-block basis and found that the spatiotemporal patterns in BC concentrations were driven by truck activity. Through meaningful partnerships between researchers and key community stakeholders\, these collaborations created actionable datasets that advance both science and advocacy goals as part of broader Community Air Protection Program monitoring efforts (AB 617). \nAbout the Speakers: \n  \nDr. Alexis Shusterman completed her PhD in atmospheric chemistry at the University of California\, Berkeley while working with Prof. Ronald Cohen. Her graduate work centered around the construction of BEACO2N\, a high-density network of more than three dozen low-cost sensors capable of providing community-level air quality reports throughout the San Francisco Bay Area. During graduate school\, Alexis worked with science communication and outreach organizations nationwide to spread climate change and environmental justice awareness\, winning recognition in the UC Berkeley Grad Slam\, the University of California Carbon Slam\, and the American Chemical Society Chemistry Champions competitions. Now a lecturer in the UC Berkeley College of Chemistry\, Alexis (or “Dr. S” to her students) now dedicates herself to delivering high quality chemical education full time. \n  \nDr. Chelsea Preble earned her PhD in Environmental Engineering from UC Berkeley in 2017\, and is now an Assistant Research Engineer in the Department of Civil and Environmental Engineering at UC Berkeley and affiliate of the Energy Technologies Area at Berkeley Lab. In her work\, she seeks to better understand air pollution trends\, sources\, and controls in impacted communities and to evaluate the real-world emissions impacts of new regulations and alternative energy technologies. Her research includes characterizing in-use emissions from heavy-duty diesel trucks and commercial harbor craft\, developing community-based air quality sensor networks\, and quantifying emissions from organic waste diversion systems.
URL:https://www.siliconvalleyacs.org/event/air-pollution-in-high-definition-building-low-cost-sensor-networks-community-partnerships/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/CALACS.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210916T020000
DTEND;TZID=America/Los_Angeles:20210916T033000
DTSTAMP:20260423T173242
CREATED:20210909T122204Z
LAST-MODIFIED:20210909T122204Z
UID:17516-1631757600-1631763000@www.siliconvalleyacs.org
SUMMARY:Seven Months of Perseverance on Mars
DESCRIPTION:Thursday\, September 16\, 2021 from 5:00-6:00 PM PDT Presentation\, 6:00-6:30 PM PDT Q&A\nOnline via Zoom\, Free\, Registration required\n\nAbstract: \nFebruary 18\, 2021 marked a momentous occasion in space exploration: after a six-month journey\, the Perseverance rover landed in Mars’s Jezero Crater. Thus began a mission that has promised to yield novel insights into the geology\, astrobiology\, and habitability of one of our closest planetary neighbors\, paving the path for possible manned missions in the future.  \nFor our next virtual Café Scientifique: Silicon Valley\, we are honored to have with us Dr. Ken Farley\, Professor of Geochemistry at Caltech and Project Scientist for the Mars 2020 mission. Please join us on Thursday\, September 16\, 2021 to hear Dr. Farley discuss the exciting work that Perseverance has been conducting ever since its historic landing. \nBio: \nKen Farley is the W.M. Keck Foundation Professor of Geochemistry in the Division of Geological and Planetary Sciences at the California Institute of Technology. His research centers on development and application of geochemistry techniques\, especially involving isotopes of the noble gases\, to a wide range of terrestrial and solar system questions. Specific areas of interest include geochronology of both Earth and Mars\, the geochemical evolution of the Earth\, and the behavior of noble gases in minerals. He is currently Project Scientist for the Mars 2020 Perseverance mission. He received a Bachelor of Science degree in chemistry from Yale University in 1986 and a doctorate in Earth Science from the Scripps Institution of Oceanography\, University of California San Diego in 1991. He began his professorial career at Caltech in 1993. \nAbout Café Scientifique: \nCafé Scientifique is a place where anyone can come to explore the latest ideas in science and technology. The Café provides a forum for debating science issues outside a traditional academic context. We are committed to promoting public engagement with science and to making science accountable – all spoken in plain English. There is no admission charge to attend our events. Building on its great success outside the United States\, Café Scientifique Silicon Valley is the first such Café on the West Coast. We meet monthly to discuss a variety of science topics. \n  \n 
URL:https://www.siliconvalleyacs.org/event/seven-months-of-perseverance-on-mars/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Ken-Farley-Cafe-Scientific-Speaker-e1631136247532.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210909T030000
DTEND;TZID=America/Los_Angeles:20210909T050000
DTSTAMP:20260423T173242
CREATED:20210901T205359Z
LAST-MODIFIED:20210901T230159Z
UID:17430-1631156400-1631163600@www.siliconvalleyacs.org
SUMMARY:Ladies in Waiting AND Still Waiting for the Nobel Prize
DESCRIPTION:Professor Mary Virginia Orna\, College of New Rochelle\nSponsored by the ACS San Diego Section\n6pm-8pm\, Online via Zoom\, Free\, Learn more and register\n\nAbstract \nThat there is a gender imbalance in the list of Nobel laureates is unambiguous. There are many reasons for this situation\, among which one may cite the very small pool of women scientists. While that may have been true in the past\, the number of women who are active in scientific research has grown exponentially\, and yet we had to wait until 2020 for two women to join the other five women chemistry laureates (3.76% in the Nobel’s 120-year history). This talk will highlight an outstanding group of women\, some of whom were nominated unsuccessfully for the prize many times\, and some who were never nominated at all\, but perhaps should have been. While we will discuss only the tip of the iceberg\, there will be many more references suggested for further research and reading. \nBio \nMary Virginia Orna is Professor of Chemistry\, Emerita\, at The College of New Rochelle. She received her Ph.D. in analytical chemistry from Fordham University. Orna has lectured and published widely in the areas of color chemistry and archaeological chemistry. In 2010 Mary was chosen as an ACS Fellow and has received many other awards including the Chemical Manufacturing Association’s Catalyst Award for excellence in college chemistry teaching\, the CASE (Council for the Advancement and Support of Education) New York State Professor of the Year\, the Merck Innovation Award\, the Western Connecticut ACS Section’s Visiting Scientist Award\, the James Flack Norris Award for Outstanding Achievement in the Teaching of Chemistry\, and the American Chemical Society’s 1999 George C. Pimentel Award in Chemical Education. She has presented over a dozen plenary lectures and named lectureships. She was a Fulbright Fellow in Israel (1994-95) where she lectured at The Hebrew University. Professor Orna was a major contributor to the ACS symposium series on The Posthumous Nobel Prize in Chemistry\, Volume 2\, Ladies in Waiting for the Nobel Prize (2018).
URL:https://www.siliconvalleyacs.org/event/ladies-in-waiting-and-still-waiting-for-the-nobel-prize/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/09/Mary-Virginia-Orna.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210617T180000
DTEND;TZID=America/Los_Angeles:20210617T190000
DTSTAMP:20260423T173242
CREATED:20210204T153344Z
LAST-MODIFIED:20210618T092550Z
UID:15273-1623952800-1623956400@www.siliconvalleyacs.org
SUMMARY:A Muggle’s Guide to Harry Potter’s Chemistry
DESCRIPTION:  \nDownload Harry Potter’s Chemistry poster to share! \nIn 2011\, University of Nebraska–Lincoln chemistry professor Rebecca Lai was contemplating how to attract more students to the sciences. She had just reread the entire Harry Potter series and it occurred to her: What if she designed a course around the books’ potions and spells?  \nThus was born the honors class — A Muggle’s Guide to Harry Potter’s Chemistry. This presentation will cover various elements in our world that are also in Harry Potter’s world\, including gold (Au)\, silver (Ag)\, mercury (Hg)\, aluminum (Al)\, and silicon (Si). The focus will be on the use of these elements in the wizarding world when compared to our world. \n 
URL:https://www.siliconvalleyacs.org/event/a-muggles-guide-to-harry-potters-chemistry/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/02/HarryPotterChemistry_17June2021_SVACS_FlyerVersion1-1.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210422T040000
DTEND;TZID=America/Los_Angeles:20210422T050000
DTSTAMP:20260423T173242
CREATED:20210317T172449Z
LAST-MODIFIED:20210901T230342Z
UID:15611-1619064000-1619067600@www.siliconvalleyacs.org
SUMMARY:Mercury: Magic\, Mining\, and Menace
DESCRIPTION:Dr. Mark Marvin-DiPasquale\, USGS \nBio and Abstract and BPT link yet to be provided.  Stay tuned! \nMercury
URL:https://www.siliconvalleyacs.org/event/mercury-magic-mining-and-menace/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=application/pdf:https://www.siliconvalleyacs.org/wp-content/uploads/2021/03/080-Mercury.pdf
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210414T030000
DTEND;TZID=America/Los_Angeles:20210414T040000
DTSTAMP:20260423T173242
CREATED:20210308T225844Z
LAST-MODIFIED:20210327T015948Z
UID:15521-1618369200-1618372800@www.siliconvalleyacs.org
SUMMARY:Wastewater-based Epidemiology (WBE) During the COVID-19 Pandemic  and into the Future
DESCRIPTION:Register to attend this event \nAbstract\nWastewater-based epidemiology (WBE) is quickly gaining traction globally as a tool to assess the COVID-19 pandemic and to inform public health decision-making. With the medical practicalities of testing for SARS-CoV-2 on an individual basis being limited for a variety of reasons\, WBE constitutes one potential tool that allows for rapid\, comprehensive and recurring data collection to inform evidence-based decision-making. Our team modeled and analyzed the feasibility\, economy\, opportunities and challenges of tracking COVID-19 locally and globally using WBE\, taking into account as key variables factors including air temperature\, average in-sewer travel time and per-capita water use. An Arizona case study illustrates that effective surveillance and public health response may occur in a two-step process in which WBE helps to identify and enumerate infected cases\, whereafter clinical testing then serves to identify infected individuals in WBE-revealed hotspots. Data provided here demonstrate this approach to save money and be broadly applicable worldwide. WBE brings with it an interesting collaborative\, as sewer and water districts are forming new partnerships with public health agencies and medical professionals to aid in the management of public health priorities\, thereby helping to accelerate the local\, regional\, national and global recovery from the pandemic. \nSpeaker bio\nProfessor Rolf Halden of Arizona State University (ASU) is Founding Director of the Biodesign Center for Environmental Health Engineering\, the nonprofit OneWaterOneHealth\, and the ASU startup company\, AquaVitas LLC.  He has authored over 230 research papers\, patents\, monographs\, and the 2020 popular science book\, Environment. Dr. Halden has been invited to brief the Environmental Protection Agency (EPA)\, the Food and Drug Administration (FDA)\, the National Academies\, the Centers for Disease Control and Prevention\, and members of U.S. Congress on environmental health and sustainability challenges.  As an expert in wastewater-based epidemiology for tracking harmful chemicals and infectious disease agents\, he has lent his expertise to studying the causative agent of the COVID-19 pandemic\, SARS-CoV-2.
URL:https://www.siliconvalleyacs.org/event/wastewater-based-epidemiology-wbe-during-the-covid-19-pandemic-and-into-the-future/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/03/Halden_Rolf_small.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210311T000000
DTEND;TZID=America/Los_Angeles:20210311T010000
DTSTAMP:20260423T173242
CREATED:20210204T160154Z
LAST-MODIFIED:20210327T020415Z
UID:15283-1615420800-1615424400@www.siliconvalleyacs.org
SUMMARY:Tackling Imposter Syndrome
DESCRIPTION:Abstract\n“I don’t deserve to be here\, and everybody knows it.” This is the constant messaging of impostor syndrome – whether you’re starting a new position\, winning an award\, or being asked to speak at a conference. While few of us talk about it\, most of us experience it at some point in our careers. And\, the struggles brought on by COVID-19 have only made this worse. However\, with the right tools\, we can fight back against impostor syndrome and help our friends and colleagues to do the same. This talk will explore the mechanisms by which thoughts of impostor syndrome can form\, and how we can work to dismantle them. \nSpeaker bio\nJen Heemstra received her B.S. in Chemistry from the University of California\, Irvine\, in 2000. At Irvine\, she performed undergraduate research with Prof. James Nowick investigating the folding of synthetic beta-sheet mimics\, which instilled in her a love of supramolecular  chemistry.  Jen  then moved to the University of Illinois\, Urbana-Champaign\, where she completed her Ph.D. with Prof. Jeffrey Moore in 2005 studying the reactivity of pyridine-functionalized phenylene ethynylene cavitands. After a brief stint in industry as a medicinal chemist\, she moved to Harvard University to pursue postdoctoral research with Prof. David Liu exploring mechanisms for templated nucleic acid synthesis. In 2010\, Jen began her independent career in the Department of Chemistry at the University of Utah and was promoted to Associate Professor with tenure in 2016. In 2017\, Jen and her research group moved to the Department of Chemistry at Emory University. Research in the Heemstra lab is focused on harnessing the molecular recognition and self-assembly properties of nucleic acids for applications in biosensing and bioimaging. \nOutside of work\, Jen enjoys spending time with her husband and two sons\, as well as rock climbing\, cycling\, and running. Jen has gained a cult following for her mentoring style on Twitter. Learn more about her in her C&EN column and send her your questions at cenm.ag/office hours. \nFlyer: Tackling-Imposter-Syndrome (PDF) \n 
URL:https://www.siliconvalleyacs.org/event/tackling-imposter-syndrome/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/png:https://www.siliconvalleyacs.org/wp-content/uploads/2021/02/Heemstra_Jen-e1614647674325.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210218T030000
DTEND;TZID=America/Los_Angeles:20210218T040000
DTSTAMP:20260423T173242
CREATED:20210203T112000Z
LAST-MODIFIED:20210901T230418Z
UID:15259-1613617200-1613620800@www.siliconvalleyacs.org
SUMMARY:Polymer Chemistry and Lutherie: The Materials of Fretted Instrument
DESCRIPTION:We kick-off this sensory ride with Dr. Steven Pollack who doubles as a science fellow at Carbon\, Inc. and a luthier for Yellow Rose Lutherie of Redwood City. In his talk titled\, “Polymer Chemistry and Lutherie: The Materials of Fretted Instruments”\, he discusses the polymers in the guitar that can influence the quality of the instrument’s sound\, both positively and negatively.  Damping or enhancing specific frequencies via resonance gives the acoustic guitar its “voice.” Please join us for this melodious talk on 18 February 2021 at 7:00 pm PST. \nThis presentation was recorded and can be viewed here.
URL:https://www.siliconvalleyacs.org/event/polymer-chemistry-and-lutherie-the-materials-of-fretted-instrument/
LOCATION:On-Demand
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/02/Pollack_Steven.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210121T030000
DTEND;TZID=America/Los_Angeles:20210121T043000
DTSTAMP:20260423T173242
CREATED:20210119T112718Z
LAST-MODIFIED:20210327T020700Z
UID:15093-1611198000-1611203400@www.siliconvalleyacs.org
SUMMARY:Stereoselective Construction of Challenging C - C Bonds: Total Synthesis of Complex Bioactive Agents
DESCRIPTION:Abstract\nThe central premise of the research in my group focuses on developing novel synthetic transformations that permit the expeditious total synthesis of complex bioactive natural products. A unique and striking feature of the program is the ability to access new chemical reactivity\, which in conjunction with detailed mechanistic studies\, permits the development of sophisticated multi-component processes for the stereoselective construction of complex molecular architectures. \nOne of the group’s ongoing goals is developing allylic coupling reactions using rhodium-allyl electrophiles with an array of carbon and heteroatom pronucleophiles. Indeed\, this process now represents a powerful and highly regio- and stereoselective sp3 cross-coupling reaction for target-directed  synthesis.  In recent work\, we have focused on the alternative umpolung reaction paradigm\, which probes the merit of the corresponding allylic metal anions in the context of novel dynamic kinetic resolution reactions of a\,b-unsaturated aldehydes that function as both acyl anions and homoenolates in novel cross-coupling reactions. \nIn the context of total synthesis\, we have recently developed a concise\, efficient and scalable total synthesis of the complex bioactive sesquiterpene natural product\, Thapsigargin. This agent was isolated from the Mediterranean plant Thapsia garganica and provided a highly selective subnanomolar inhibitor of intracellular calcium ion transport enzymes\, which induces apoptosis\, leading to cell death. Mipsagargin\, a prodrug of Thapsigargin\, is currently in the late-stage clinical trials to treat liver\, brain\, prostate and kidney cancer. The seminar will outline the evolution of these useful developments and their impact on synthetic and medicinal chemistry. \nSpeaker bio\nAndrew Evans is the Alfred  R. Bader Chair of Organic Chemistry and a Tier 1 Canada Research Chair in Organic and Organometallic Chemistry in the Department of Chemistry at Queen’s University. He received a B.Sc. with honors in Applied Chemistry at Newcastle Polytechnic in 1987 and a Ph.D. at the University of Cambridge in 1991 under the supervision of Andrew B. Holmes\, FRS. He then completed postdoctoral studies with Philip D. Magnus\, FRS\, at the University of Texas at Austin as a NATO Postdoctoral Fellow. In 1993\, he initiated his independent career at the University of Delaware\, where he rose through the ranks to Professor before moving to Indiana University in 2001. In 2006\, he moved to the University of Liverpool\, where he was the Heath Harrison Chair of Organic Chemistry\, before moving to his current position in July 2012. \nHis research accomplishments have been globally recognized\, including the Changjiang Scholar Award\, ACS Cope Scholar Award\, ACS Fellow\, RSC Pedler Award\, the Royal Society Wolfson Research Merit Award\, Pfizer Award for Creativity in Organic Chemistry\, Johnson and Johnson Focused Giving Award\, GlaxoWellcome Chemistry Scholar Award\, Camille Dreyfus Teacher-Scholar Award\, Eli Lilly Grantee Award and Zeneca Excellence in Chemistry Award. He has also served on ACS Division of Organic Chemistry as a Member-at-Large\, National Organic Symposium Executive Officer\, Councilor and Division Chair. He currently serves as one of the co-chairs of the highly acclaimed ACS-DOC Graduate Research Symposium. Additionally\, he is an Associate Editor for the Thieme journal\, Synthesis and the Editor-in- Chief for Organic Reactions.
URL:https://www.siliconvalleyacs.org/event/stereoselective-construction-of-challenging-c-c-bonds-total-synthesis-of-complex-bioactive-agents/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2021/01/Evans-P-Andrew-2019-e1614647791136.jpeg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20201112T170000
DTEND;TZID=America/Los_Angeles:20201112T183000
DTSTAMP:20260423T173242
CREATED:20201114T084314Z
LAST-MODIFIED:20210327T020317Z
UID:14264-1605200400-1605205800@www.siliconvalleyacs.org
SUMMARY:From Plant Scents to Perfumes
DESCRIPTION:Abstract\nPlant scents from flowers\, fruits\, leaves\, or tree barks are composed of complex mixtures of volatile organic compounds. People have used these fragrant mixtures since ancient times to produce lotions\, oils and perfumes. While contemporary perfumes and other scented products consist\, to a large extent\, of synthetic materials\, the inspiration for their components came mostly from natural compounds. In this presentation\, we’ll look at the compositions of some familiar plant scents\, including their functions\, and at typical structures of some of the compounds that compose them. From plant scents\, we’ll continue to fragrances and products that people today use in their daily lives\, such as shampoos\, soaps\, or expensive perfumes. This will include a look at synthetic compounds and mixtures that are used nowadays. \n       \nSpeaker bio\nMargareta (Greti) Séquin has a Ph. D. in organic chemistry from the University of Basel in Switzerland\, did postdoctoral work at Princeton University and at the Technical University of Munich\, and has taught organic chemistry at Dominican University and at San Francisco State University for more than thirty years. She has been giving many presentations on plant chemistry topics at botanical gardens and science centers. As an active member of the ACS California Section she participates in public events with hands-on activities on plant chemistry for general audiences. Because of her great interest in plants she has been a long-time docent at the Regional Parks Botanic Garden in Berkeley\, CA (more information about this park). Margareta is the author of the books The Chemistry of Plants: Perfumes\, Pigments\, and Poisons and The Chemistry of Plants and Insects: Plants\, Bugs\, and Molecules\, published by RSC\, Cambridge\, UK
URL:https://www.siliconvalleyacs.org/event/from-plant-scents-to-perfumes/
LOCATION:Virtual
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2020/11/Margareta-Sequin.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200220T020000
DTEND;TZID=America/Los_Angeles:20200220T050000
DTSTAMP:20260423T173242
CREATED:20220502T145018Z
LAST-MODIFIED:20220502T145018Z
UID:18643-1582164000-1582174800@www.siliconvalleyacs.org
SUMMARY:Chemistry in the Kitchen: Promoting Appreciation of Chemistry and Science
DESCRIPTION:Professor Richard Zare\, Stanford Chemistry Department \nAbstract:  For the past three years\, I have been offering a course to Stanford freshmen titled “Chemistry in the Kitchen.” Students are told the following before signing up for this course: This course examines the chemistry relevant to food and drink preparation\, both in homes and in restaurants\, which makes what we consume more pleasurable. Good cooking is more often considered an art rather than a science\, but a small bit of understanding goes a long way to make the preparation and consumption of food and drink more enjoyable. The intention is to have demonstrations and tastings as a part of every class meeting. We will examine some rather familiar items in this course: eggs\, dairy products\, meats\, breads\, vegetables\, pastries\, and carbonated beverages. We shall playfully explore the chemistry that turns food into meals. A high-school chemistry background is assumed; bring to class a good appetite and a healthy curiosity. \nMy goal has not been to make Iron Chefs or chemistry majors from those who take this course but instead to have the students learn how the science behind cooking can greatly increase their enjoyment of food. This lecture gives me the opportunity to tell you how this course came about and what aspects about the course make it a very popular course here at Stanford in which students leave the course with a new sense of the importance of chemistry in their daily lives. \nBio: Richard N. Zare is the Marguerite Blake Wilbur Professor of Natural Science. His website: www.stanford.edu/group/Zarelab contains more than you probably want to know about him and current research interests. He is particularly proud to have received the National Medal of Science in 1983 and the Presidential Award for Science\, Mathematics\, and Engineering Mentoring in 2012. He also received the Robert A. Welch Award in Chemistry in 1999\, the Wolf Prize in Chemistry in 2005\, the ACS Priestley Medal in 2010\, the King Faisal International Prize in Science in 2011\, and the Othmer Gold medal in 2017.
URL:https://www.siliconvalleyacs.org/event/chemistry-in-the-kitchen-promoting-appreciation-of-chemistry-and-science/
LOCATION:In-Person in Mountain View at Cuesta Park Group BBQ Areas #1-2\, 615 Cuesta Drive\, Mountain View\, CA\, United States
CATEGORIES:Dinner Meeting
ATTACH;FMTTYPE=image/jpeg:https://www.siliconvalleyacs.org/wp-content/uploads/2022/05/Richard-Zare.jpg
END:VEVENT
END:VCALENDAR