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DOE OSTI · 3673038

High efficiency rare earth element bioleaching with systems biology guided engineering of Gluconobacter oxydans

Schmitz, Alexa·Pian, Brooke·Marecos, Sabrina (ORCID:0000000158529933)·Wu, Mingming (ORCID:0000000178463580)·Holycross, Megan·Gazel, Esteban (ORCID:0000000263857672)·Reid, Matthew·Barstow, Buz (ORCID:0000000322186152)
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Schmitz, Alexa, Pian, Brooke, Marecos, Sabrina (ORCID:0000000158529933), Wu, Mingming (ORCID:0000000178463580), Holycross, Megan, Gazel, Esteban (ORCID:0000000263857672), Reid, Matthew, Barstow, Buz (ORCID:0000000322186152). 2025-05-27. High efficiency rare earth element bioleaching with systems biology guided engineering of Gluconobacter oxydans. https://doi.org/10.1038/s42003-025-08109-5

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Abstract Zero- to ultralow-field nuclear magnetic resonance (ZULF NMR) allows molecular structure elucidation via measurement of electron-mediated spin-spinJ-couplings. This study examines zero-fieldJ-spectra from molecules with quadrupolar nuclei, exemplified by solutions of various isotopologues of ammonium cations. The spectra reveal differences between various isotopologues upon extracting preciseJ-coupling values from pulse-acquire measurements. A primary isotope effect,$$\triangle J=\left({\gamma }_{{}^{14}{{{{{\rm{N}}}}}}}/{\gamma }_{{}^{15}{{{{{\rm{N}}}}}}}\right){J}_{{}^{15}{{{{{\rm{N}}}}}}{{{{{\rm{H}}}}}}}-{J}_{{}^{14}{{{{{\rm{N}}}}}}{{{{{\rm{H}}}}}}}\approx -58$$ △ J = γ 14 N / γ 15 N J 15 N H − J 14 N H ≈ − 58 mHz, is deduced by analysis of the proton-nitrogenJ-coupling ratios. This study points toward further experiments with symmetric cations containing quadrupolar nuclei, promising applications in biomedicine, energy storage, and benchmarking quantum chemistry calculations.

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DOE OSTI2023

Long‐Life Lithium‐Metal Batteries with an Ultra‐High‐Nickel Cathode and Electrolytes with Bi‐Anion Activity

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