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Past Events

January

Thesis Defense

Synthesis and Applications of Graphene Based Nanomaterials

Thursday, January 29, 2015, 8:45 AM - 10:45 AM
Zhiwei Peng, Doctoral Candidate

Graphene, a two-dimensional sp2-bonded carbon material, has recently attracted major attention due to its excellent electrical, optical and mechanical properties. Depending on different applications, graphene and its derived hybrid nanomaterials can more  »

Seminar

Lewis acidic and redox properties of organoantimony derivatives – Applications in anion sensing and halogen photoreductive elimination

Wednesday, January 28, 2015, 4:00 PM - 5:00 PM
François P. Gabbaï, Texas A&M University

While it is generally perceived that strong Lewis acidity is the preserve of group 13 elements, the pioneering work of Olah shows that this property can also be expressed in the group 15, especially with antimony. As part of our continuing interest i more  »

Seminar

Scaling in Cellular Dynamics

Tuesday, January 27, 2015, 12:30 PM - 1:30 PM
Aaron Dinner, Professor, Department of Chemistry, The University of Chicago

Abstract: The dynamics of living systems are noisy. These fluctuations contain information about contributing microscopic mechanisms, and this information can be extracted by quantitative analysis of experimental imaging data together with mathematic more  »

Seminar

Shaping Metallic Nanoparticles toward Integrated Plasmonics and Catalysis

Monday, January 26, 2015, 4:00 PM - 5:00 PM
Hui Wang, The University of South Carolina

Noble metal nanoparticles have been of tremendous interest because of their intriguing size- and shape-dependent plasmonic and catalytic properties. The combination of tunable plasmon resonances with superior catalytic activities on the same nanopart more  »

Thesis Defense

One- and Two-Dimensional sp2-Carbon Nanomaterials: Synthesis, Properties, and Applications

Monday, January 26, 2015, 1:00 PM - 3:00 PM
Abdul-Rahman Raji, Doctoral Candidate

The unifying objective of this thesis is to synthesize, control, modify, hybridize, interface, understand, and apply one- and two-dimensional sp2-carbon nanomaterials. The materials include graphene (2D), carbon nanotubes (1D), and graphene nanoribbo more  »

Seminar

RNAs in Silico: What We Can Learn from Molecular Dynamics

Thursday, January 22, 2015, 2:00 PM - 3:00 PM
Giovanni Bussi, SISSA/ISAS (Italy)

Ribonucleic acid (RNA) is acquiring a large importance in cell biology, as more functions that it accomplishes are discovered. However, experimental characterization of RNAs dynamical behavior at atomistic level is difficult. Molecular dynamics (MD), more  »

Seminar

Water on the edge: hydrogen bonding through the looking glass of surface-selective vibrational spectroscopy

Wednesday, January 21, 2015, 4:00 PM
Alex Benderskii, The University of Southern California

The properties of water near surfaces and interfaces play important role in processes ranging from atmospheric chemistry to catalysis and biophysics. This talk will review the surface-selective vibrational sum frequency generation (VSFG) spectroscop more  »

Seminar

Designing with Biology

Tuesday, January 20, 2015, 12:30 PM - 1:30 PM
Pamela Silver, Professor and Chairman of Physics, Department of Systems Biology, Harvard Medical School



Thesis Defense

Carbon-Based Nanomaterials and their Medical Applications

Friday, January 16, 2015, 9:00 AM - 11:00 AM
Errol Samuel, Doctoral Candidate

The Tour lab has previously demonstrated that antibody-targeted drug-loaded carbon nanoparticles, called PEGylated hydrophilic carbon clusters (PEG-HCCs), can be utilized for cancer-specific drug delivery both in vitro and in vivo. In this work, we a more  »

Thesis Defense

Metal ferrite nanoparticles as tracers in hydraulically fractured wells

Friday, January 16, 2015, 3:00 PM - 5:00 PM
Lauren Morrow, Doctoral Candidate

A variety of metal ferrite nanoparticles were synthesized via thermal decomposition reaction and characterized with transmission electron microscopy, small angle X-ray scattering, inductively coupled plasma – optical emission spectroscopy, X-ray phot more  »

Seminar

Sorting Carbon Nanotubes by DNA

Wednesday, January 14, 2015, 4:00 PM - 5:00 PM
Ming Zheng, National Institute of Standards and Technology

Sorting single-wall carbon nanotubes (SWCNTs) by their atomic structures is a fascinating molecular game that has attracted many researchers. We have been using single-stranded DNA as a type of sequence-controlled polymer for effective SWCNT dispersi more  »

Seminar

Mathematical Modeling and the Potential Cure of HIV

Tuesday, January 13, 2015, 12:30 PM - 1:30 PM
Alan S Perelson, Group Leader, Theoretical Biology & Biophysics Group - Los Alamos National Laboratory

Mathematical modeling has been a key part of HIV research since the mid-1990s. I will review some of the important insights gained through modeling so as to set the stage for understanding where the field is now and how it is approaching the possibil more  »

Thesis Defense

Metal ferrite nanoparticles as tracers in hydraulically fractured wells

Tuesday, January 6, 2015, 3:00 PM - 5:00 PM
Lauren Morrow, Doctoral Candidate

A variety of metal ferrite nanoparticles were synthesized via thermal decomposition reaction and characterized with transmission electron microscopy, small angle X-ray scattering, inductively coupled plasma - optical emission spectroscopy, X-ray phot more  »

December

Thesis Defense

Use of Graphene Oxide for Sorption of Radionuclides and Other Cations and Synthesis of Graphene-Based Nanoribbons

Friday, December 12, 2014, 2:00 PM - 3:30 PM
Alexander Slesarev, Doctoral Candidate

This dissertation will focus on two topics: the application of graphene oxide to radionuclides and other ions separation from various media, and synthesis of some graphene-based nanoribbons. In the first part, the efficacy of graphene oxide (GO) for more  »

Thesis Defense

Development of a Diagnostic Assay for the Multiplexed Detection of Ovarian Cancer Biomarkers at the Point-of-Care

Wednesday, December 10, 2014, 4:00 PM - 5:00 PM
Basil Shadfan, Doctoral Candidate

Point-of-care (POC) diagnostic platforms have the potential to enable low-cost, large- scale screening. As no single biomarker is shed by all ovarian cancers, multiplexed biomarker panels promise improved sensitivity and specificity to address the un more  »

Thesis Defense

Investigations of the Specificity of Oxidosqualene Cyclization: Errors are the Rule, Not the Exception

Thursday, December 4, 2014, 2:30 PM - 4:30 PM
Paul Bodager, Doctoral Candidate

This thesis describes the characterization of oxidosqualene cyclases from numerous organisms, through heterologous expression in Saccharomyces cerevisiae, and extraction from organismal tissue. Oxidosqualene cyclases are a family of proteins which ca more  »

Seminar

Exploiting Versatile N-N and N-O Bonds: Rapid Synthesis of Functionalized Biaryls and N-Heterocycles

Thursday, December 4, 2014, 12:15 PM - 1:15 PM
László Kürti, UT Southwestern Medical Center

The growth of knowledge in the chemical sciences has seen a dramatic increase since the beginning of the 21st century. The advance is particularly significant in synthetic chemistry because of its centrality and value to society. Key to all of this i more  »

Seminar

Using De Novo Designed Peptides to Understand Metalloprotein Folding and Metalloenzymology

Wednesday, December 3, 2014, 4:00 PM - 5:00 PM
Vincent Pecoraro, University of Michigan

We have previously shown that short, synthetic peptides in the TRI family will aggregate at neutral to moderate pH as three stranded coiled coils (TRI sequence= G(LKALEEK4)G). When the hydrophobic interior of these peptides is modified to include a more  »

Seminar

Identifying Design Principles of Human Cells

Tuesday, December 2, 2014, 12:30 PM - 1:30 PM
Amina A Qutub, Assistant Professor, Rice University - Department of Bioengineering

Oxygen is fundamental to life on Earth. This dependency spans all biological scales: molecular to organ system. Abberrant hypoxic response is a critical part of many diseases including Alzheimer’s, stroke and cancer. On the other hand, appropriate ma more  »