Kβ X-ray Emission Spectroscopy of Cu(I)-Lytic Polysaccharide Monooxygenase: Direct Observation of the Frontier Molecular Orbital for H2O2 Activation

H Lim, MT Brueggemeyer, WJ Transue… - Journal of the …, 2023 - ACS Publications
Lytic polysaccharide monooxygenases (LPMOs) catalyze the degradation of recalcitrant
carbohydrate polysaccharide substrates. These enzymes are characterized by a …

The role of basicity in selective C–H bond activation by transition metal-oxidos

AH Follmer, AS Borovik - Dalton Transactions, 2023 - pubs.rsc.org
The development of (bio) catalysts capable of selectively activating strong C–H bonds is a
continuing challenge in modern chemistry. In both metalloenzymes and synthetic systems …

Combining valence-to-core x-ray emission and Cu k-edge x-ray absorption spectroscopies to experimentally assess oxidation state in organometallic Cu (I)/(II)/(III) …

BL Geoghegan, Y Liu, S Peredkov… - Journal of the …, 2022 - ACS Publications
A series of organometallic copper complexes in formal oxidation states ranging from+ 1 to+
3 have been characterized by a combination of Cu K-edge X-ray absorption (XAS) and Cu …

Mechanistic Insight into Peptidyl‐Cysteine Oxidation by the Copper‐Dependent Formylglycine‐Generating Enzyme

Y Wu, C Zhao, Y Su, S Shaik… - Angewandte Chemie …, 2023 - Wiley Online Library
The copper‐dependent formylglycine‐generating enzyme (FGE) catalyzes the oxygen‐
dependent oxidation of specific peptidyl‐cysteine residues to formylglycine. Our QM/MM …

Structural Elucidation, Aggregation, and Dynamic Behaviour of N,N,N,N‐Copper(I) Schiff Base Complexes in Solid and in Solution: A Combined NMR, X‐ray …

I Gerz, SAV Jannuzzi, KT Hylland… - European Journal of …, 2021 - Wiley Online Library
A series of Cu (I) complexes of bidentate or tetradentate Schiff base ligands bearing either 1‐
H‐imidazole or pyridine moieties were synthesized. The complexes were studied by a …

Valence-to-core X-ray emission spectroscopy of transition metal tetrahalides: mechanisms governing intensities

C Roemelt, S Peredkov, F Neese, M Roemelt… - Physical Chemistry …, 2024 - pubs.rsc.org
Valence-to-core (VtC) X-ray emission spectroscopy offers the opportunity to probe the
valence electronic structure of a system filtered by selection rules. From this, the nature of its …

X-ray absorption and emission spectroscopy of N 2 S 2 Cu (ii)/(iii) complexes

BL Geoghegan, JK Bilyj, PV Bernhardt, S DeBeer… - Dalton …, 2024 - pubs.rsc.org
This study investigates the influence of ligand charge on transition energies in a series of
CuN2S2 complexes based on dithiocarbazate Schiff base ligands using Cu K-edge X-ray …

Quantification of Ni–N–O Bond Angles and NO Activation by X-ray Emission Spectroscopy

PN Phu, CE Gutierrez, S Kundu, D Sokaras… - Inorganic …, 2020 - ACS Publications
A series of β-diketiminate Ni–NO complexes with a range of NO binding modes and
oxidation states were studied by X-ray emission spectroscopy (XES). The results …

The decisive role of CuI-framework O binding in oxidation half cycle of selective catalytic reduction

Y Liu, J Berry-Gair, Z Wang, L Kang, B Wang, X Guan… - 2023 - chemrxiv.org
Cu-exchanged zeolite is an efficient catalyst to remove harmful nitrogen oxides from diesel
exhaust gas through the selective catalytic reduction (SCR) reaction. The SCR performance …

Study of Cu-Exchanged CHA Catalysts for the Selective Catalytic Reduction (SCR) Reaction

Y Liu - 2021 - discovery.ucl.ac.uk
Eliminating the harmful NOx, which is the major pollutant in the exhaust gas of diesel
engines, has long been the pursue of scientists. Cu-chabazite (Cu-CHA) zeolites system …