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J Am Chem Soc ; 137(38): 12191-4, 2015 Sep 30.
Artigo em Inglês | MEDLINE | ID: mdl-26379046

RESUMO

The stereochemistry of glycerophospholipids (GPLs) has been of interest for its roles in the evolution of life and in their biological activity. However, because of their structural complexity, no convenient method to determine their configuration has been reported. In this work, through the first systematic application of vibrational circular dichroism (VCD) spectroscopy to various diacylated GPLs, we have revealed that their chirality can be assigned by the sign of a VCD exciton couplet generated by the interaction of two carbonyl groups. This paper also presents spectroscopic evidence for the stereochemistry of GPLs isolated from bacteria, eukaryotes, and mitochondria.


Assuntos
Dicroísmo Circular , Glicerofosfolipídeos/química , Vibração , Estrutura Molecular , Estereoisomerismo
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