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- W2009001523 abstract "Hydrogen cyanide polymerizes readily to a black solid from which a yellow-brown powder can be extracted by water and further hydrolyzed to alpha-amino acids. These macromolecules could be major components of the dark matter observed on many bodies in the outer solar system, including comets and asteroids. Primitive Earth might therefore have been covered with HCN polymers through bolide bombardment or be terrestrial synthesis. Several instrumental methods were used for the separation and identification of these intriguing polymeric materials, including photoacoustic Fourier transform infrared spectroscopy, supercritical fluid extraction chromatography and pyrolysis mass spectrometry. Our integrated analytical approach revealed fragmentation patterns and chemical functionalities consistent with the presence of polymeric peptide precursors both in HCN polymers and in the Murchison meteorite." @default.
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- W2009001523 date "1995-03-01" @default.
- W2009001523 modified "2023-10-01" @default.
- W2009001523 title "Organic analysis of hydrogen cyanide polymers: Prebiotic and extraterrestrial chemistry" @default.
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- W2009001523 doi "https://doi.org/10.1016/s0273-1177(99)80066-0" @default.
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