Abstract
We have performed fluorescence spectroscopic analyses of the amino acid content of the Mars soil analog Salten Skov and of an amino acid standard mixture with the same amino acid abundance and distribution as the soil. This is the first study that investigates the total amino acid abundance of a Mars soil analog with a spectrofluorometer and correlates it with the results obtained from other analytical techniques. We discuss the variations between the fluorescence spectra of the Salten Skov soil sample and the amino acid standard mixture, and the differences between the Salten Skov hydrolyzed and non-hydrolyzed sample fractions. We also discuss the advantages and limitations of fluorescence spectroscopy in the context of future life detection missions.
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