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Themed collection Editor's Choice – Serena DeBeer

22 items
Open Access Perspective

Energy storage: pseudocapacitance in prospect

This question and its implications are discussed in detail.

Graphical abstract: Energy storage: pseudocapacitance in prospect
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Minireview

Mechanisms of catalytic reduction of CO2 with heme and nonheme metal complexes

This critical review discusses the thermal and photocatalytic mechanisms of one-, two-, four-, six- and eight-electron reduction of CO2 with metal complex catalysts.

Graphical abstract: Mechanisms of catalytic reduction of CO2 with heme and nonheme metal complexes
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Minireview

Electrochemical imaging of cells and tissues

This minireview summarizes the recent achievements of electrochemical imaging platforms to map cellular functions in biological specimens using electrochemical scanning nano/micro-probe microscopy and 2D chips containing microelectrode arrays.

Graphical abstract: Electrochemical imaging of cells and tissues
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Finding intersections between electronic excited state potential energy surfaces with simultaneous ultrafast X-ray scattering and spectroscopy

Combined X-ray free-electron laser techniques pinpoints loci of intersections between potential energy surfaces of a photo-excited 3d transition-metal centered molecule.

Graphical abstract: Finding intersections between electronic excited state potential energy surfaces with simultaneous ultrafast X-ray scattering and spectroscopy
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Tuning ligand field strength with pendent Lewis acids: access to high spin iron hydrides

Pendent borane Lewis acids provide an avenue for changing a ligand's field strength through acid/base interactions; this strategy was highlighted within a series of biologically-relevant high spin iron hydrides.

Graphical abstract: Tuning ligand field strength with pendent Lewis acids: access to high spin iron hydrides
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Metal vs. ligand protonation and the alleged proton-shuttling role of the azadithiolate ligand in catalytic H2 formation with FeFe hydrogenase model complexes

Real-time spectroscopic observation of electron transfer-induced protonation reactivity elucidates the role of the second sphere basic site in a H2 evolution catalyst.

Graphical abstract: Metal vs. ligand protonation and the alleged proton-shuttling role of the azadithiolate ligand in catalytic H2 formation with FeFe hydrogenase model complexes
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Origin of the overall water splitting activity of Ta3N5 revealed by ultrafast transient absorption spectroscopy

A detailed transient absorption spectroscopy study efficiently correlates charge carrier dynamics with the overall water splitting efficiency in Ta3N5 photocatalyst.

Graphical abstract: Origin of the overall water splitting activity of Ta3N5 revealed by ultrafast transient absorption spectroscopy
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

NosL is a dedicated copper chaperone for assembly of the CuZ center of nitrous oxide reductase

The Cu(I)-binding protein NosL functions specifically as an assembly factor for the unique CuZ centre of nitrous oxide reductase (N2OR).

Graphical abstract: NosL is a dedicated copper chaperone for assembly of the CuZ center of nitrous oxide reductase
From the themed collection: 2019 Chemical Science HOT Article Collection
Open Access Edge Article

Scrutinizing metal–ligand covalency and redox non-innocence via nitrogen K-edge X-ray absorption spectroscopy

A series of nitrogen K-edge XAS data obtained for coordination complexes of diverse transition metals is used to calibrate computational pre-edge peak energies and to afford estimates of metal–ligand covalencies. The approach is extended to probe an inner-sphere aminyl radical ligand.

Graphical abstract: Scrutinizing metal–ligand covalency and redox non-innocence via nitrogen K-edge X-ray absorption spectroscopy
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

One metal is enough: a nickel complex reduces nitrate anions to nitrogen gas

A nickel complex was found to be capable of stepwise reducing nitrate to dinitrogen gas using carbon monoxide as the reaction partner.

Graphical abstract: One metal is enough: a nickel complex reduces nitrate anions to nitrogen gas
From the themed collection: 2019 Chemical Science HOT Article Collection
Open Access Edge Article

Heterodinuclear zinc and magnesium catalysts for epoxide/CO2 ring opening copolymerizations

Eight heterodinuclear catalysts comprising Zn(II) and Mg(II) metal centres show high activity and selectivity for CO2/epoxide ring-opening copolymerization. Detailed kinetic analyses are reported and a chain-shuttling mechanistic hypothesis proposed.

Graphical abstract: Heterodinuclear zinc and magnesium catalysts for epoxide/CO2 ring opening copolymerizations
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Controlling a burn: outer-sphere gating of hydroxylamine oxidation by a distal base in cytochrome P460

One amino acid makes the difference between a metalloenzyme and a metalloprotein in two otherwise effectively identical cytochrome P460s.

Graphical abstract: Controlling a burn: outer-sphere gating of hydroxylamine oxidation by a distal base in cytochrome P460
From the themed collection: 2019 ChemSci Pick of the Week Collection
Open Access Edge Article

Studying the phosphoryl transfer mechanism of the E. coli phosphofructokinase-2: from X-ray structure to quantum mechanics/molecular mechanics simulations

Phosphofructokinases catalyze the ATP-dependent phosphorylation of fructose-6-phosphate and they are highly regulated.

Graphical abstract: Studying the phosphoryl transfer mechanism of the E. coli phosphofructokinase-2: from X-ray structure to quantum mechanics/molecular mechanics simulations
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Influence of intramolecular secondary sphere hydrogen-bonding interactions on cytochrome c oxidase inspired low-spin heme–peroxo–copper complexes

Structural/electronic influence of metalloenzyme-inspired synthetic heme–peroxo–copper models containing intramolecular hydrogen bonding interactions.

Graphical abstract: Influence of intramolecular secondary sphere hydrogen-bonding interactions on cytochrome c oxidase inspired low-spin heme–peroxo–copper complexes
From the themed collection: 2019 ChemSci Pick of the Week Collection
Open Access Edge Article

Determination of the electronic structure of a dinuclear dysprosium single molecule magnet without symmetry idealization

We present the in-depth determination of the magnetic properties and electronic structure of the luminescent and volatile dysprosium-based single molecule magnet [Dy2(bpm)(fod)6] (Hfod = 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedione, bpm = 2,2-bipyrimidine).

Graphical abstract: Determination of the electronic structure of a dinuclear dysprosium single molecule magnet without symmetry idealization
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

X-ray Raman optical activity of chiral molecules

Resonant and off-resonant Raman Optical Activity signals in the X-ray regime (XROA) are predicted.

Graphical abstract: X-ray Raman optical activity of chiral molecules
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Direct observation of the intermediate in an ultrafast isomerization

Using a combination of two-dimensional infrared (2D IR) and variable temperature Fourier transform infrared (FTIR) spectroscopies the rapid structural isomerization of a five-coordinate ruthenium complex is investigated.

Graphical abstract: Direct observation of the intermediate in an ultrafast isomerization
From the themed collection: 2019 Chemical Science HOT Article Collection
Open Access Edge Article

Probing the oxidation state of transition metal complexes: a case study on how charge and spin densities determine Mn L-edge X-ray absorption energies

A combined experimental and theoretical approach reveals correlations of metal L-edge X-ray absorption energies to local charge and spin densities.

Graphical abstract: Probing the oxidation state of transition metal complexes: a case study on how charge and spin densities determine Mn L-edge X-ray absorption energies
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Engineering a bifunctional copper site in the cupredoxin fold by loop-directed mutagenesis

Loop directed mutagenesis leads to a cupredoxin withthe strongest copper–thiolate bond known to date, high reduction potential and imidazole binding properties.

Graphical abstract: Engineering a bifunctional copper site in the cupredoxin fold by loop-directed mutagenesis
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Energetic insights into two electron transfer pathways in light-driven energy-converting enzymes

We report Em values of (bacterio-)chlorophylls for one-electron reduction in both electron-transfer branches of PbRC, PSI, and PSII.

Graphical abstract: Energetic insights into two electron transfer pathways in light-driven energy-converting enzymes
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

C–H activation and nucleophilic substitution in a photochemically generated high valent iron complex

The (photo) chemical oxidation of a (TAML)FeIII complex using outer-sphere oxidants results in valence tautomerisation and C–H activation governed by exogenous anions.

Graphical abstract: C–H activation and nucleophilic substitution in a photochemically generated high valent iron complex
From the themed collection: Editor's Choice – Serena DeBeer
Open Access Edge Article

Excited state electron and energy relays in supramolecular dinuclear complexes revealed by ultrafast optical and X-ray transient absorption spectroscopy

Complementary ultrafast techniques provide clear observation of charge hopping between metals in dinuclear complexes.

Graphical abstract: Excited state electron and energy relays in supramolecular dinuclear complexes revealed by ultrafast optical and X-ray transient absorption spectroscopy
From the themed collection: Editor's Choice – Serena DeBeer
22 items

About this collection

Chemical Science welcomed Professor Serena DeBeer to the journal as an Associate Editor at the end of 2018, handling papers in the areas of (bio)inorganic chemistry, heterogeneous and homogeneous catalysis and spectroscopy.
Serena has looked back over Chemical Science papers published over the past couple of years and has selected some outstanding articles in this area of research. We hope you find them of interest too!

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