Tags: Inorganic Seminar


Guest Speaker: Prof. Ambika Bhagi-Damodaran


Mechanistic Insights into Acetyl CoA Synthase from Nickel-Substituted Azurin

CO dehydrogenase (CODH) and Acetyl CoA synthase (ACS) belong to the ancient Wood-Ljungdhal pathway, widely speculated to have been the first metabolic pathway to develop in the earliest lifeforms. Early life forms were strictly anaerobic and this metabolic pathway allowed those organisms to grow solely on CO and CO2. CODH first catalyzes the reversible reduction of CO2 to CO. ACS then catalyzes C-C bond formation between CO and CH3 to form an…


R. B. King Lecture: Enabling Molecular Quantum Information Science with Electron Spins

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…


Guest Speaker: Prof. Gayan B. Wijeratne


Fe-Containing Enzymes and ATP-Grasp Enzymes for the Biosynthesis of Bioactive Natural Products

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…


From Point Source CO2 Capture to Grid-Scale H2 Storage – The Promise and Science of the Ultramicroporous Adsorbent Aluminum Formate (ALF)

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…


Understanding Materials and Interfaces in Solid-State Batteries

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…


Emerging Chemistry of Main Group Element-Based Dithiolene Complexes

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…


Secondary Interactions in Transition Metal Catalysis: Metal-Ligand Cooperativity and Beyond

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…


Hydrogen Evolution by Homoleptic Ni-Tetrathiolato Electrocatalysts

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…
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