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Understanding photochemistry and photoelectron spectra with highly correlated ab initio methods of electronic structure theory

Wednesday, October 26, 2016, 4:00 PM - 5:00 PM
Piotr Piecuch, Professor of Chemistry, Michigan State University

Understanding electronic excitation, multi-photon ionization, and photoelectron spectra, particularly those involving strongly correlated dark states, transition metal nano-particles, and larger molecules with transition metal centers, poses a signif more  »


“Phenotypic and Genome Evolution of Bacteria”

Tuesday, October 25, 2016, 12:30 PM - 1:30 PM
Dennis Vitkup, Associate Professor, Department of Systems Biology, Department of Biomedical Informatics, Center for Computational Biology and Bioinformatics, Columbia University

Abstract: For many decades comparative analyses of protein sequences and structures have been used to investigate fundamental principles of molecular evolution. In contrast, relatively little is known about the long-term evolution of species' phenoty more  »


Novel Nanostructured Materials for Advanced Energy Conversion and Storage

Wednesday, October 19, 2016, 4:00 PM - 5:00 PM
Ying Wang, Associate Professor, Louisiana State University

The exploration of new, safe, and inexpensive rechargeable batteries with high energy-density electrodes is a key to integrate the renewable sources such as solar and wind, and address the sustainability issues. A variety of facile and cost-effective more  »


“Lattice Boltzmann Simulation of Complex States of Flowing Matter”

Tuesday, October 18, 2016, 12:30 PM - 1:30 PM
Sauro Succi, Research Affiliate, Physics Department, Harvard University

Abstract: Over the last near three decades, the Lattice Boltzmann (LB) method has gained a prominent role as an efficient computational scheme for the numerical simulation of complex flows across a broad range of scales, from fully developed turbulen more  »


Enabling Synthesis and Medicinal Chemistry with Continuous Flow Reactions

Wednesday, October 12, 2016, 4:00 PM - 5:00 PM
Aaron Beeler, Assistant Professor, Boston University

Development of reactions in flow has many advantages, but perhaps the most enabling is the ability to facilitate transformations that are challenging or even impossible by traditional batch methods. In my group, we are working to develop these reacti more  »


“Jamming in Biological Tissues”

Tuesday, October 4, 2016, 12:30 PM - 1:30 PM
Lisa Manning, Associate Professor, Physics Department, Syracuse University

Abstract: Biological tissues involved in important processes such as embryonic development, lung function, wound healing, and cancer progression have recently been shown to be close to a liquid-to-solid or "jamming" transition, similar to the one tha more  »



Structure, Biosynthesis, and Mechanism of Small-Molecule Signals Controlling Nematode Development

Wednesday, September 28, 2016, 4:00 PM - 5:00 PM
Rebecca Butcher, Assistant Professor, University of Florida

Our goal is to develop a comprehensive understanding of the chemical structures, biosynthesis, and mechanism of secondary metabolites in nematodes. Caenorhabditis elegans secretes ascarosides, derivatives of the 3,6-dideoxysugar ascarylose, as pher more  »


“Immune Recognition, Antagonism and Phenotypic Spandrel”

Tuesday, September 27, 2016, 12:30 PM - 1:30 PM
Paul François, Associate Professor, Physics Department, McGill University

Abstract: In silico evolution can be used to predict design features of networks. The important problem of early immune response, to discriminate between self from not self, is considered. Rounds of evolution with different constraints uncover elabor more  »


How to Turn a Right Hand Into Left: Chiral Plasmons and More

Wednesday, September 21, 2016, 4:00 PM - 5:00 PM
V. Ara Apkarian, Professor of Chemisty, University of California, Irvine

Although chirality is recognized as the universal asymmetry which plays a fundamental role in chemistry, biology, physics, and life on earth, its rigorous quantification remains illusive. Since Lord Kelvin's definition of structural chirality as brok more  »


“A Chink in the Armour: Dynamic Structural Defects in Fibrillar Collagen Enable Collagenase Degradation”

Tuesday, September 20, 2016, 12:30 PM - 1:30 PM
Keir C. Neuman, Senior Investigator, National Heart, Lung and Blood Institute, National Institutes of Health

Abstract: Collagen is the main component of the extracellular matrix. Fibrillar collagen is resistant to proteolysis and is degraded by specific matrix metalloproteases (MMPs). The process of fibrillar collagen degradation remains poorly understood. more  »


Illuminating Metals: Fluorescent Tools for the Study of Cellular Magnesium Homeostasis

Wednesday, September 14, 2016, 4:00 PM - 5:00 PM
Daniela Buccella, New York University

Magnesium is the most abundant divalent cation in mammalian cells, with multiple roles that are essential for cellular function. Disrupted homeostasis of this metal has been associated with various pathologies including age-related diseases, neurodeg more  »


“Life at the Interface is Occasionally Unstable”

Tuesday, September 13, 2016, 12:30 PM - 1:30 PM
Ashutosh Agrawal, Assistant Professor, Department of Mechanical Engineering, University of Houston

Abstract: Biological membranes separate cells and organelles from their surrounding environment thus defining their identity. They maintain different chemical environments within and outside the cell while allowing continuous transport of nutrients i more  »


“Protein Fluctuations in Single Cells and Population Variability”

Tuesday, September 6, 2016, 12:30 PM - 1:30 PM
Hanna Salman, Associate Professor, Department of Physics & Astronomy University of Pittsburgh

Abstract: Protein copy-number varies among cells even in a genetically homogenous population. This variation causes changes in the shape, structure and behavior of individuals within the population. Characterizing and understanding this variation is more  »



“Target DNA Search by Proteins: A Needle-In-a-Haystack Problem?”

Tuesday, August 30, 2016, 12:30 PM - 1:30 PM
Junji Iwahara, Associate Professor, University of Texas, Medical Branch

Abstract: When transcription factors and DNA repair/modifying enzymes perform their function, these molecules must first locate their specific target sites in the vast presence of nonspecific but structurally similar sites on DNA. We are trying to be more  »