Depletion of potassium and sodium in mantles of Mars, Moon and Vesta by core formation

E. S. Steenstra, N. Agmon, J. Berndt, S. Klemme, S. Matveev & W. van Westrenen ABSTRACT: The depletions of potassium (K) and sodium (Na) in samples from planetary interiors have long been considered as primary evidence for their volatile behavior during planetary...

Exposure dependence of the UV initiated optical absorption increase in polymer films with a soluble CdS precursor and its relation to the photoinduced nanoparticle growth

ANTON A. SMIRNOV, ANDREY AFANASIEV, SERGEY GUSEV, DMITRY TATARSKIY, NICKOLAI ERMOLAEV, AND NIKITA BITYURIN ABSTRACT: Evolution of the UV-induced absorption within the polymer matrix possessing a highly soluble CdS precursor is studied. The initially optically...

Different effects of nano-scale and micro-scale zero-valent iron particles on planktonic microorganisms from natural reservoir water

Nhung H. A. Nguyen, Roman Špánek, Vojtěch Kasalický, David Ribas, Denisa Vlková, Hana Řeháková, Pavel Kejzlara and Alena Ševců ABSTRACT: While nano-scale and micro-scale zero-valent iron (nZVI and mZVI) particles show high potential for reme- diation of polluted soil...

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 sup- porting chemical signatures, including...

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...