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2. Multidimensional gas chromatogram showing ribose and other monosaccharides in the organic residue from an evolved precometary ice analog. See also fig. S5.1 (7). The atomic mass units 206 and 294 were selected for the multidimensional chromatographic representation. D-and L-enantiomers of the monosaccharides were not resolved.
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Since the Pasteur’s discovery of chirality more than 150 years ago, the origin of homochirality remains to be an unresolved mystery, which is probably linked to the origin of life-itself. This puzzle was named by the journal Nature as one of the five biggest unresolved puzzles in modern science.Today there exist two ways to address the question of...
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A general method is presented that permits enantiomers, originally present in a low enantiomeric excess (%ee1), to accumulate in a high %ee (%ee2) without a chiral source present. An equation was derived that demonstrates the final %ee2 of any unreacted chiral starting material will become higher when that starting material has reacted to generate...
