Tag: low temperature
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Low Temperature Limits for Motility in Arctic Ice Diatoms
Overview: Arctic ice diatoms and ice gliding In the harsh Arctic environment, ice-dwelling diatoms endure extreme cold, variable brine pockets, and constrained liquid pathways within the ice. Our study provides direct cellular observations of these microorganisms embedded in ice and reveals a previously undocumented ice-gliding ability that helps them navigate the ice matrix to reach…
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Vacuum Ultraviolet Photoabsorption Spectra of Isoprene Ices and Terpenes at 10 K
Overview and significance Isoprene and its oligomers, including limonene, α-pinene and β-pinene, are volatile organics of interest in interstellar chemistry and planetary environments. However, spectral fingerprints for these molecules when frozen as icy mantles on dust grains — conditions common in dense interstellar clouds and outer solar system bodies — have been insufficiently characterized at…