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Table 1 Common organics (polycyclic aromatic hydrocarbons, PAH) of extraterrestrial origin (meteorites, interstellar medium (ISM)), and potiential biomolecules that could be on the surface of Mars, excitation and emission wavelength peaks, and reference

From: An instrument design for non-contact detection of biomolecules and minerals on Mars using fluorescence

Biomolecules Description Excitation λ Emission λ Reference
ATP ubiqitous metabolite 280 nm 420 nm Katayama et al. [30]
Phenaylanine amino acid in ISM 260 nm 282 nm Seaver et al. [31]
NADH ubiqitous metabolite 350 nm 460 nm Richards-Kortum et al. [32]
Tyrosine amino acid in ISM 275 nm 304 nm Nevin et al. [33]
Tyrptophan amino acid in ISM 280 nm 353 nm Alimova et al. [34]
Chemical organics     
Benzopyrene PAH in Mars meteorites 383 nm 435 nm Kuijt et al. [35]
Chrysene PAH in Mars meteorites 307 nm 370 nm Kuijt et al. [35]
Napthalene PAH in Mars meteorites 275 nm 344 nm Kuijt et al. [35]
Perylene PAH in Mars meteorites 280 nm no peak Pujari et al. [36]
Perylene   440 nm 472 nm Wilson et al. [37]
Phenanthrene PAH in Mars meteorites 280 nm 410 nm Pujari et al. [36]
Phenanthrene   306 nm 361 nm Kuijt et al. [35]
Pyrene PAH in Mars meteorites 347 nm 387 nm Kuijt et al. [35]
Pyrene   342 nm 376, 396 nm Wilson et al. [37]