The role of aluminium in the preservation of microbial biosignatures

Alan Levett, Emma J. Gagen, Hui Diao, Paul Guagliardo, Llew Rintoul, Anat Paz, Paulo M. Vasconcelos, Gordon Southam ABSTRACT: Demonstrating the biogenicity of presumptive microfossils in the geological record often requires supporting chemical signatures, including...

Improving the imaging capability of an on-axis transmission Kikuchi detector

Alice Bastos S. Fanta, Adam Fuller, Hossein Alimadadi, Matteo Todeschini, Daniel Goran, Andrew Burrows ABSTRACT: Transmission Kikuchi Diffraction (TKD) in the scanning electron microscope has been developing at a fast pace since its introduction less than a decade...

Efficient electrocatalytic CO2 reduction on a three-phase interface

Jun Li, Guangxu Chen, Yangying Zhu, Zheng Liang, Allen Pei, Chun-Lan Wu, Hongxia Wang, Hye Ryoung Lee, Kai Liu, Steven Chu and Yi Cui ABSTRACT: Electrochemical CO2 reduction is a critical approach to reducing the globally accelerating CO2 emission and generating...

The effect of core composition on iron isotope fractionation between planetary cores and mantles

Stephen M. Elardo, Anat Shahar, Timothy D. Mock, Corliss K. Sio ABSTRACT: We have conducted high-pressure, high-temperature isotope exchange experiments between molten silicate and molten Fe–Si–C-alloys to constrain the effect of Si on equilibrium Fe isotope...

Quantitative analysis of grafted CNT dispersion and of their stiffening of polyurethane (PU)

M.H. Jomaaa, L. Roibana, D.S. Dhunganaa, J. Xiaoa, J.Y. Cavailléa, L. Seveyratc, L. Lebrunc, G. Diguetb, K. Masenelli-Varlota ABSTRACT: Electroactive devices are developed for energy conversion purposes. In particular, polyurethanes (PU) are lightweight and flexible...