Mudd Newsletter Fall-2021

Faculty News c lt s Lisa Fredin photoexicited state dynamics of metal-centered and open-shell organic molecules, and manganese dopants and vacancies in perovskite oxides. Prof. Fredin, along with Prof. Young, received funding from the Pittsburgh Foundation to establish PURE (Photochemistry Undergraduate Research Experience), which combines computational and experimental physical chemistry research, in an innovative experience for Lehigh undergraduates. Four Lehigh undergraduate students completed their immersive in-person summer research experience. Building off the skills they learned during the summer, each student will work for the 2021-2022 academic year in order to complete their research projects on novel azo-dye photophysics. In addition, Prof. Fredin, along with PIs in Engineering and at Lehigh Research Computing, oversaw the installation and launch of Lehigh’s new high-performance computational cluster, Hawk, that includes both CPU and GPU compute technology, funded by NSF CC* Compute. This new supercomputer system will triple the computing hours available to Lehigh faculty for research and teaching. Additionally, in Summer 2021, Prof. Fredin Co-Chaired the Photochemistry Spotlight virtual symposium, where 12 speakers and four discussion leaders had discussions around some of the big questions in photochemistry. Over 500 unique users joined from 35 countries making it one of the largest photochemistry meetings ever! In addition, Prof. Fredin gave an invited virtual talk for the Lehigh I-DISC Faculty Member Forum and the American Chemical Society (ACS) Division of Inorganic Chemistry (DIC) Periodic Table Talks this year. Publications: Repa, G.; Fredin, L. A.* "Parameter Space Exploration Reveals Interesting Mn-doped SrTiO3 Structures" PhysChemChemPhys, 2021, 23, 23486-23500 Martin, S. M.; Oldacre, A. N.; Pointer, C. A.; Huang, T.; Repa, G.; Fredin, L. A.; Young, E. R.* "Proton-controlled Non-exponential Photoluminescence in a Pyridyl-Amidine-substituted Re(I) Complex" Dalton Transactions 2021, 50, 7265 – 7276. Wehrmann, C. M.; Imran, M.; Pointer, C. A.; Fredin, L. A.*; Young, E. R.*; Chen, M. S.* "Spin Multiplicity Effects in Doublet versus Singlet Emission: The Photophysical Consequences of a Single Electron" Chem. Sci. 2020, 11, 10212-10219. The Fredin Group kept busy this year working on large scale computational problems at the intersection of photochemistry and material disorder. In particular, projects looking at inherent disorder (packing defects or molecular vibration) and induced disorder (dopants) have allowed the group to solve important problems in light-driven faceted-metal nanoparticle catalysis, vibrational effects on conduction in organic materials, the During the previous academic year, Dr. Im conducted the following professional endeavors: Grants: NIH R01 (Co-Investigator: 2021-2026; PI: Frank Zhang) Mechanical regulation of von Willebrand Factor. NSF Wonpil Im MCB (PI: 2021-2024) Molecular Modeling and Simulation of the Mycobacteria Cell Envelope NIH R21 (Multi-PI with Frank Zhang: 2021-2023) Biophysical characterization of SARS-CoV-2 spike protein - receptor interactions NIH R15 (Co-Investigator: 2021-2024; PI: Jebrell K. Glover) Envelope Biophysical Studies of Caveolin Page 8 · Lehigh University Jebrell Glover The Glover Lab received an NIH R15 award entitled "Biophysical Studies of Caveolin" (See Page 5 for additional details). In addition, they welcomed graduate student Katrina Brandmier as part of the research lab. Dr. Glover also gave an invited talk at Kalamazoo College entitled, “Biophysical Insights into Caveolin-1 Structure.” The Glover group also submitted a paper that was published in Spring, 2021: Julien, J.A.; Pellett, A.L.; Shah, S.S.; Wittenberg, N.J. and Glover, K.J. "Preparation and Characterization of Neutrally-buoyant Oleosin-rich Synthetic Lipid Droplets." Biochimica et Biophysica Acta - Biomembranes, 2021, 1863, 183624.

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