User profiles for Christopher J. Pollock

Christopher J. Pollock

- Verified email at cornell.edu - Cited by 1779

Christopher J. Pollock

- Verified email at ceh.ac.uk - Cited by 276

Operando studies reveal active Cu nanograins for CO2 electroreduction

…, J Feijóo, PC Chen, H Wang, CJ Pollock… - Nature, 2023 - nature.com
Carbon dioxide electroreduction facilitates the sustainable synthesis of fuels and chemicals
1 . Although Cu enables CO 2 -to-multicarbon product (C 2+ ) conversion, the nature of the …

Drop-on-demand sample delivery for studying biocatalysts in action at X-ray free-electron lasers

…, E Pastor, C De Lichtenberg, R Hussein, CJ Pollock… - Nature …, 2017 - nature.com
X-ray crystallography at X-ray free-electron laser sources is a powerful method for studying
macromolecules at biologically relevant temperatures. Moreover, when combined with …

Kβ mainline X-ray emission spectroscopy as an experimental probe of metal–ligand covalency

CJ Pollock, MU Delgado-Jaime… - Journal of the …, 2014 - ACS Publications
The mainline feature in metal Kβ X-ray emission spectroscopy (XES) has long been recognized
as an experimental marker for the spin state of the metal center. However, even within a …

Valence-to-core X-ray emission spectroscopy: a sensitive probe of the nature of a bound ligand

CJ Pollock, S DeBeer - Journal of the American Chemical Society, 2011 - ACS Publications
The sensitivity of iron Kβ X-ray emission spectroscopy (XES) to the nature of the bound
ligands (σ-donating, π-donating, and π-accepting) has been explored. A combination of …

Operando High-Energy-Resolution X-ray Spectroscopy of Evolving Cu Nanoparticle Electrocatalysts for CO2 Reduction

…, A Vargas, C Chen, CJ Pollock… - Journal of the …, 2023 - ACS Publications
Advances in electrocatalysis research rely heavily on building a thorough mechanistic
understanding of catalyst active sites under realistic operating conditions. Only recently have …

Insights into the geometric and electronic structure of transition metal centers from valence-to-core X-ray emission spectroscopy

CJ Pollock, S DeBeer - Accounts of chemical research, 2015 - ACS Publications
Conspectus A long-standing goal of inorganic chemists is the ability to decipher the geometric
and electronic structures of chemical species. This is particularly true for the study of small …

Selective Electrochemical CO2 Reduction during Pulsed Potential Stems from Dynamic Interface

…, J Kim, TA Dunbar, CJ Pollock, J Suntivich… - Acs …, 2020 - ACS Publications
Pulsing the potential during the electrochemical CO 2 reduction (CO 2 R) reaction using copper
has been shown to influence product selectivity (ie, to suppress the undesired hydrogen …

Visualizing the reaction cycle in an iron (II)-and 2-(oxo)-glutarate-dependent hydroxylase

…, RJ Martinie, JA Bergman, CJ Pollock… - Journal of the …, 2017 - ACS Publications
Iron(II)- and 2-(oxo)-glutarate-dependent oxygenases catalyze diverse oxidative transformations
that are often initiated by abstraction of hydrogen from carbon by iron(IV)-oxo (ferryl) …

Fire and drought: soluble carbohydrate storage and survival mechanisms in herbaceous plants from the Cerrado

…, MAM de Carvalho, AC Franco, CJ Pollock… - …, 2016 - academic.oup.com
The Cerrado biome covers a large area of central Brazil, containing a mosaic of physiognomies
determined by soil fertility, seasonal rainfall, and fire. The ground layer vegetation …

[HTML][HTML] Integrated behavioural and stable isotope data reveal altered diet linked to low breeding success in urban-dwelling blue tits (Cyanistes caeruleus)

CJ Pollock, P Capilla-Lasheras, RAR McGill, B Helm… - Scientific reports, 2017 - nature.com
Animals often show reduced reproductive success in urban compared to adjacent natural
areas. The lower availability and quality of natural food in cities is suggested as one key …