Possible chemical and physical scenarios towards biological homochirality
The single chirality of biological molecules in terrestrial biology raises more questions than
certitudes about its origin. The emergence of biological homochirality (BH) and its …
certitudes about its origin. The emergence of biological homochirality (BH) and its …
The search for chiral asymmetry as a potential biosignature in our solar system
The search for evidence of extraterrestrial life in our Solar System is currently guided by our
understanding of terrestrial biology and its associated biosignatures. The observed …
understanding of terrestrial biology and its associated biosignatures. The observed …
A new double imaging velocity focusing coincidence experiment: i2PEPICO
The vacuum ultraviolet (VUV) beamline of the Swiss Light Source has been upgraded after
two years of operation. A new, turntable-type monochromator was constructed at the Paul …
two years of operation. A new, turntable-type monochromator was constructed at the Paul …
Non-racemic amino acid production by ultraviolet irradiation of achiral interstellar ice analogs with circularly polarized light
The delivery of organic matter to the primitive Earth via comets and meteorites has long
been hypothesized to be an important source for prebiotic compounds such as amino acids …
been hypothesized to be an important source for prebiotic compounds such as amino acids …
Extraterrestrial amino acids and L‐enantiomeric excesses in the CM 2 carbonaceous chondrites Aguas Zarcas and Murchison
The abundances, distributions, enantiomeric ratios, and carbon isotopic compositions of
amino acids in two fragments of the Aguas Zarcas CM 2 type carbonaceous chondrite fall …
amino acids in two fragments of the Aguas Zarcas CM 2 type carbonaceous chondrite fall …
Enantiomeric excesses induced in amino acids by ultraviolet circularly polarized light irradiation of extraterrestrial ice analogs: A possible source of asymmetry for …
P Modica, C Meinert, P de Marcellus… - The Astrophysical …, 2014 - iopscience.iop.org
The discovery of meteoritic amino acids with enantiomeric excesses of the l-form (ee L) has
suggested that extraterrestrial organic materials may have contributed to prebiotic chemistry …
suggested that extraterrestrial organic materials may have contributed to prebiotic chemistry …
Amino acid gas phase circular dichroism and implications for the origin of biomolecular asymmetry
Life on Earth employs chiral amino acids in stereochemical l-form, but the cause of
molecular symmetry breaking remains unknown. Chiroptical properties of amino acids …
molecular symmetry breaking remains unknown. Chiroptical properties of amino acids …
Abundant extraterrestrial amino acids in the primitive CM carbonaceous chondrite Asuka 12236
Abstract The Asuka (A)‐12236 meteorite has recently been classified as a CM
carbonaceous chondrite of petrologic type 3.0/2.9 and is among the most primitive CM …
carbonaceous chondrite of petrologic type 3.0/2.9 and is among the most primitive CM …
Alanine-based chiral metallogels via supramolecular coordination complex platforms: Metallogelation induced chirality transfer
Chiral self-assemblies constantly attract great interest because of their potential to provide
insight into biological systems and materials science. Herein we report on the efficient …
insight into biological systems and materials science. Herein we report on the efficient …
Circular dichroism of amino acids: following the structural formation of phenylalanine
Circular dichroism (CD) is frequently used to assess the secondary structure of peptides and
proteins, whereas less attention has been given to their building blocks, that is, single amino …
proteins, whereas less attention has been given to their building blocks, that is, single amino …