OoL digest — August 21 edition

Astrobiology

Chemical evolution in ices on drifting, planet-forming pebbles – Eistrup et al. – preprint

A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample – Ito et al. – Nature Astronomy

Alternative Methylated Biosignatures I: Methyl Bromide, A Capstone Biosignature – Leung et al. – preprint

Directional Aspects of Vegetation Linear and Circular Polarization Biosignatures – Patty et al. – Astrobiology

Photobombing Earth 2.0: Diffraction Limit Related Contamination and Uncertainty in Habitable Planet Spectra – Saxena – The Astrophysical Journal Letters

The Impact of Extreme Low Temperatures on Raman Spectra of Amino Acids Relevant for the Search for Life on Europa – Vitkova et al. – Astrobiology

Microfluidic Chromatography for Enhanced Amino Acid Detection at Ocean Worlds – Volkenburg et al. – Astrobiology

Biochemistry

Early divergence of translation initiation and elongation factors – Fer et al. – Protein Science