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Quantifying Building Blocks of Life in Planetary Analog Materials: Implications for Prebiotic Chemistry and Biosignature Identification

  • Authors: Xiao'ou Luo, Chao He, Zhengbo Yang, Yingjian Wang, Ziyao Fang, Yu Liu, Sai Wang, Haixin Li

Xiao’ou Luo et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 4.

Concentrations of amino acids detected in (a) the Titan aerosol analog and (b) the Martian analog sample, arranged in order of increasing structural complexity. Amino acids are grouped by carbon atom number (C2–C11), shown as boxed labels along the x-axis. C3+Ph denotes the two aromatic amino acids, phenylalanine, and tyrosine (Ph = phenyl group).

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