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Slideshow

Tags: Inorganic Seminar

Quantum technologies based on molecular electron spin coherence afford unique potential in miniaturization, spatial localization, and tunability through synthetic chemistry and biomolecular integration. However, many applications within molecular quantum information science hinge on slowing down spin relaxation, a process that effectively leaks quantum information into the environment. Additionally, applications such as quantum sensing with…
Natural products (NPs) are a proven and paramount source of novel drug leads due to their structural complexity and diverse bioactivities. This complexity arises from unique serial enzymatic transformations. In my talk, I will discuss the biochemical and structural characterization of several key enzymes involved in the biosynthesis of various natural products. Highlights will include the exploration of a nonheme diiron monooxygenase involved in…
Gas storage and separations are vitally important to many areas of society. Though perhaps easy to appreciate the utility of storing gasses, separating one from another is just as significant. In fact, such processes are conservatively responsible for up to hundreds of billions of dollars of global commerce each year. Significant separations include isolating O2 and noble gasses from air, as well as isolating short chain hydrocarbons from one…
Solid-state batteries offer the promise of improved energy density and safety compared to lithium-ion batteries, but degradation of materials and interfaces can play an outsized role in limiting their performance. Here, I will present our emerging understanding of the key differences between how high-capacity anode materials behave in solid-state batteries compared to in conventional liquid-electrolyte batteries. The electro-chemo-mechanical…
While transition metals have played a dominant role in the development of dithiolene chemistry, their main-group element-based counterparts have received considerably less attention. This laboratory recently reported the first structurally characterized lithium dithiolene radical, via reaction of the anionic N-heterocyclic dicarbene with elemental sulfur. This radical provides an effective synthetic platform to access the largely unexplored main…
As our global population continues to grow and demand more resources, development of more advanced methods of chemical production and catalysis in an efficient manner are paramount. One such route to advancing catalysis in transition metal chemistry is to utilize not only abundant, inexpensive first-row transition metals, but also utilize more complex means of controlling chemistry around these metal centers. One of the principal challenges to…
In combating the global warming crisis, there is a particular interest in mitigating fossil fuel use as it remains a significant source of anthropogenic CO2 emissions. One solution for reducing fossil fuel emissions is the development of alternative fuel sources that are clean and renewable such as hydrogen gas (H2). Natural systems have evolved efficient machinery utilizing cheap, earth-abundant metals that can provide sources of alternative…
Ribonucleotide reductases (RNRs) catalyze de novo biosynthesis of deoxynucleotides in almost all organisms that use DNA as their genetic material. They are current drug targets for both cancer and infectious diseases. All RNRs share a common catalytic mechanism initiated by a cysteinyl radical, while the radical generation varies greatly and provides the biochemical basis dividing the RNRs into the three major classes and several subclasses. All…

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