通过定向连接的对映体识别：由外消旋体系形成同手性晶体聚集体
Enantiodiscrimination through Oriented Attachment: Formation of Homochiral Crystal Aggregates from a Racemic System
摘要：
我们表明，D-和L-对映体晶体的溴化钠在平衡与相应的解决方案，自聚集导致大的晶体组件。令人惊讶的是，晶体-晶体相互作用不是随机过程，并且几乎完全对映选择（手性识别）发生，从而提供纯手性聚集体。此外，还有晶体方向性，许多聚集体作为一个整体生长。该方法可以扩展到对映异构NaClO 3晶体在温和的条件下，以及晶体的固有手性分子，如蛋白质氨基酸。
英文摘要：
We show that D- and L-enantiomorphous crystals of NaBrO3 in equilibrium with the corresponding solution, self-aggregate leading to large crystal assemblies. Surprisingly, crystal-to-crystal interaction is not a random process and takes place with nearly complete enantioselection (chiral recognition) thereby providing homochiral aggregates. There is in addition a crystallographic directionality and many aggregates grow as a whole. The process can be extended to enantiomorphous NaClO3 crystals under milder conditions as well as crystals of inherently chiral molecules such as a proteinogenic amino acid.
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