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May

Thesis Defense

Electron correlation in extended systems via quantum embedding

Friday, May 22, 2015, 2:00 PM - 4:00 PM
Ireneusz Bulik, Doctoral Candidate

The pursuit of accurate and computationally efficient many-body tools capable of describing electron correlation is a major the effort of quantum chemistry community. The accuracy of chemical predictions strongly depends on the ability of the mode more  »

April

Seminar

Single-Molecule Imaging and Plasmon-Enhanced Fluorescence: Understanding Bacterial Function on the Nanoscale

Wednesday, April 29, 2015, 4:00 PM - 5:00 PM
Julie Biteen, PhD, Assistant Professor of Chemistry, University of Michigan

By beating the diffraction limit that restricts traditional light microscopy, single-molecule fluorescence imaging is a precise, noninvasive way to sensitively probe position and dynamics. We are pioneering super-resolution imaging methods for unrave more  »

Seminar

CGSA Hosted Career Seminar: Energy and Innovation in the Chemical Industry

Thursday, April 23, 2015, 4:00 PM - 5:00 PM
Cathy L. Tway, PhD, R&D Director for Inorganic Materials and Heterogeneous Catalysis, The Dow Chemical Company

Typically the time from project initiation to the breakeven point after commercialization for new materials and chemical processes can be on the order of 10 to 20 years, with the timeline becoming lengthier as the technologies become more disruptive. more  »

Thesis Defense

Nanofiber Formation by Collagen Mimetic Peptides: Elucidation of Supramolecular Principles and Application of Retrosynthetic Analysis

Thursday, April 23, 2015, 11:00 AM - 1:00 PM
Biplab Sarkar, Doctoral Candidate

Synthetic mimics of the fibrillar protein collagen were designed by engineering specific supramolecular interactions in the triple helical building blocks. My doctoral research indicates that tri-domain collagen mimetic peptides, with positive, neutr more  »

Seminar

Random Walks in Enzymatic Networks and Quantum Lattices

Wednesday, April 22, 2015, 4:00 PM - 5:00 PM
Jianshu Cao, PhD, Professor of Chemistry, Massachusetts Institute of Technology

This talk will cover two new effects on random walks: conformational fluctuations in enzymatic networks and quantum coherence in disordered lattices. more  »

Seminar

CANCELLED -Transcription Factor-chromatin Dynamics/Interactions: from Yeast to Cancer

Tuesday, April 21, 2015, 12:30 PM - 1:30 PM
Stefan Bekiranov, Associate Professor, University of Virginia, School of Medicine, Biochemistry and Molecular Genetics

Abstract: Transcription is an inherently dynamic process. However, until very recently, no method existed with sufficient temporal resolution (seconds to minutes) to measure the dynamics of transcription factors, which regulate RNA synthesis and its more  »

Thesis Defense

Carbon and Silicon Nanomaterials for Medical Nanotechnology Applications

Monday, April 20, 2015, 3:00 PM - 5:00 PM
Ayrat Gizzatov, Doctoral Candidate

This dissertation focuses on the development of sp2-carbon- and silicon-based nanomaterials for medical diagnostics and in vivo magnetic field-guided delivery applications. To realize these applications, especially for the development of new in vivo more  »

Seminar

Synthesis and Characterization of Zintl Phases and Ge Nanocrystals for Thermoelectrics and Photovoltaic Applications

Monday, April 20, 2015, 4:00 PM - 5:00 PM
Susan M. Kauzlarich, PhD, Professor of Chemistry, UCDavis The University of California

There are many areas of science where progress is materials limited. The synthesis and identification of new compounds that can lead to enhancements in existing technologies, or serve as the basis of revolutionary new technologies, is essential for d more  »

Thesis Defense

Conformational Dynamics of the Glutamate Receptors via Single Molecule Förster Resonance Energy Transfer

Thursday, April 16, 2015, 11:00 AM - 1:00 PM
David Cooper, Doctoral Candidate

Glutamate receptors perform a critical role in the nervous system, mediating synaptic transmission through cellular membranes. These proteins have developed a quick response to agonist presence and, when activated, undergo a conformational shift that more  »

Seminar

New approaches to simulating biological and molecular catalysts

Wednesday, April 15, 2015, 4:00 PM - 5:00 PM
Thomas Miller III, PhD, Professor of Chemistry, California Institute of Technology

A primary focus of our research is the development of dynamics simulation methods that reveal the mechanistic details of quantum mechanical reactions that are central to biological and molecular catalysis. The nature of this effort is three-fold: fir more  »

Seminar

Large N in Neural Data

Tuesday, April 14, 2015, 12:30 PM - 1:30 PM
Ilya Nemenman, Associate Professor, Emory University, Departments of Physics and Biology

Abstract: It is now possible to directly measure simultaneous collective states of many biological components, such as neural activities, genetic sequences, or gene expression profiles. These data are revealing striking results, suggesting, for examp more  »

Thesis Defense

Single Molecule Studies of Ion-Exchange Chromatography

Tuesday, April 14, 2015, 9:30 AM - 11:30 AM
Lydia Kisley, Doctoral Candidate

As the pharmeceutical industry moves away from traditional small organic molecules towards biologically-based treatments, ion-exchange separation methods must be investigated to improve the cost and time required for protein purification. Several more  »

Thesis Defense

Ultrashort Single-Walled Carbon Nanotubes: A Platform for Medical Imaging and Therapy

Monday, April 13, 2015, 3:00 PM - 5:00 PM
Justin Law, Doctoral Candidate

Ultra-short single-walled carbon nanotubes (US-tubes) have been used to encapsulate various metal ions and small molecules for both diagnostic and therapeutic applications. Of the US-tube derivatives, one of the best characterized is the gadonanotube more  »

Seminar

New Advances Toward the Understanding and Manipulation of Metabolic Regulation

Monday, April 13, 2015, 4:00 PM - 5:00 PM
Ricardo Marti-Arbona, PhD, Staff Scientist, Bioenergy and Biome Sciences Group, Los Alamos National Laboratory

Metabolism is organized into complex, highly regulated step-dependent reactions called metabolic pathways. Despite decades of advanced research, the precise mechanisms by which most metabolic pathways are regulated remain largely unknown. Bacterial m more  »

Seminar

Regioselective Bis-Additions to Empty and Endohedral Clusterfullerenes: Tether or Cluster Control?

Wednesday, April 8, 2015, 4:00 PM - 5:00 PM
Luis Echegoyen, PhD, Professor of Chemistry, The University of Texas at El Paso

Several strategies have been utilized to control the regiochemistry of multiple additions on fullerene cages, most notable being the tether-directed-remote functionalization method, originally introduced by Diederich et al. In this method, two reacti more  »

Seminar

Nanotechnology for Neural Interfaces

Tuesday, April 7, 2015, 12:30 PM - 1:30 PM
Jacob T. Robinson, Assistant Professor, Rice University, Departments of Electrical & Computer Engineering and Bioengineering

Abstract: Nanofabricated electronic, magnetic, and photonic devices can help us understand the brain by precisely reading and writing activity in individual neurons. In this talk I will describe some of our latest work to develop next-generation neur more  »

Thesis Defense

Carbon Based Nanomaterials for Electrochemical Energy Storage Applications

Monday, April 6, 2015, 2:00 PM - 4:00 PM
LEI LI, Doctoral Candidate

Ever-growing energy needs, limited energy resources, and the need to decrease soaring greenhouse gas emissions have brought about an urgent demand on the pursuit of energy alternatives, includ¬ing both renewable energy sources and sustainable storage more  »

Seminar

Understanding the pH-dependent reduction potential of the Rieske protein using site-directed mutagenesis and chemical modification

Monday, April 6, 2015, 4:00 PM - 5:00 PM
Laura M. Hunsicker-Wang, PhD, Associate Professor of Chemistry, Trinity University

Rieske proteins are electron transport proteins involved in important biological processes including respiration and photosynthesis. They have a [2Fe-2S] cluster ligated by 2 cysteines and 2 histidines. In the common protein fold of the protein, th more  »

March

Seminar

Anticipators and Procrastinators: Cellular Decision Making in Multivariate Environments

Tuesday, March 31, 2015, 12:30 PM - 1:30 PM
Hana El-Samad, Associate Professor, University of California, San Francisco, School of Medicine

Abstract: Understanding how cellular programs process multiple simultaneous environmental inputs is a century old problem. A classical example is that of the Monod Model, in which microorganisms that are presented with two carbon sources first consum more  »

Seminar

Harnessing the power of scientific computing to gain insight into chemical physics

Monday, March 30, 2015, 4:00 PM - 5:00 PM
Frank Noé, Phd., Professor of Computational Molecular Biology, Freie Universität Berlin