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Metal-Dependent Electrocatalytic Oxygen Reduction in Surface-Conjugated Macrocyclic Electrodes

https://doi.org/10.1021/acsaem.4c01216

Ghosh, Moumita; Ezhov, Roman; Braley, Sarah E; Losovyj, Yaroslav; Bury, Gabriel; Pushkar, Yulia N; Smith, Jeremy M (August 2024, ACS Applied Energy Materials)

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Revisit the E2 Domain of Amyloid Precursor Protein: Ferroxidase, Superoxide and Peroxynitrite Scavenging Activities

https://doi.org/10.1021/acs.inorgchem.3c01336

Poore, Andrew T.; Zuercher, Eli C.; Bury, Gabriel; Whitesell, Caslyn; Nguyen, Cuong C.; Pushkar, Yulia N.; Tian, Shiliang (July 2023, Inorganic Chemistry)

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A Manganese Compound I Model with a High Reactivity in the Oxidation of Organic Substrates and Water

https://doi.org/10.1021/jacs.3c01818

Zhang, Lina; Seo, Mi Sook; Choi, Yunhee; Ezhov, Roman; Maximova, Olga; Malik, Deesha D.; Ng, Maggie; Lee, Yong-Min; Sarangi, Ritimukta; Pushkar, Yulia N.; et al (April 2023, Journal of the American Chemical Society)

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A Spectroscopically Observed Iron Nitrosyl Intermediate in the Reduction of Nitrate by a Surface-Conjugated Electrocatalyst

https://doi.org/10.1021/jacs.2c03487

Ghosh, Moumita; Braley, Sarah E.; Ezhov, Roman; Worster, Harrison; Valdez-Moreira, Juan A.; Losovyj, Yaroslav; Jakubikova, Elena; Pushkar, Yulia N.; Smith, Jeremy M. (October 2022, Journal of the American Chemical Society)

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A High‐Valent Manganese(IV)–Oxo–Cerium(IV) Complex and Its Enhanced Oxidizing Reactivity

https://doi.org/10.1002/anie.201910032

Karmalkar, Deepika G.; Sankaralingam, Muniyandi; Seo, Mi Sook; Ezhov, Roman; Lee, Yong‐Min; Pushkar, Yulia N.; Kim, Won‐Suk; Fukuzumi, Shunichi; Nam, Wonwoo (September 2019, Angewandte Chemie International Edition)

Abstract A mononuclear nonheme manganese(IV)–oxo complex binding the Ce⁴⁺ion, [(dpaq)Mn^IV(O)]⁺–Ce⁴⁺(1‐Ce⁴⁺), was synthesized by reacting [(dpaq)Mn^III(OH)]⁺(2) with cerium ammonium nitrate (CAN).1‐Ce⁴⁺was characterized using various spectroscopic techniques, such as UV/Vis, EPR, CSI‐MS, resonance Raman, XANES, and EXAFS, showing an Mn−O bond distance of 1.69 Å with a resonance Raman band at 675 cm⁻¹. Electron‐transfer and oxygen atom transfer reactivities of1‐Ce⁴⁺were found to be greater than those of Mn^IV(O) intermediates binding redox‐inactive metal ions (1‐Mⁿ⁺). This study reports the first example of a redox‐active Ce⁴⁺ion‐bound Mn^IV‐oxo complex and its spectroscopic characterization and chemical properties.
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