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A Review of Salam Phase Transition in Protein Amino Acids: Implication for Biomolecular Homochirality | | Fan Bai Wenqing Wang
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19 Sep 2002 | | Subject: | Biological Physics; Chemical Physics | physics.bio-ph physics.chem-ph q-bio | | Affiliation: | Department of Physics, Peking University, Beijing, P.R China) Wenqing Wang (Department of Chemistry, Peking University, Beijing, P.R China | | Abstract: | The origin of chirality, closely related to the evolution of life on the earth, has long been debated. In 1991, Abdus Salam suggested a novel approach to achieve biomolecular homochirality by a phase transition. In his subsequent publication, he predicted that this phase transition could eventually change D-amino acids to L-amino acids as C -H bond would break and H atom became a superconductive atom. Since many experiments denied the configuration change in amino acids, Salam hypothesis aroused suspicion. This paper is aimed to provide direct experimental evidence of a phase transition in alanine, valine single crystals but deny the configuration change of D- to L- enantiomers. New views on Salam phase transition are presented to revalidate its great importance in the origin of homochirality. | | Source: | arXiv, physics/0209069 | | Services: | Forum | Review | PDF | Favorites | |
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