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Effect of Molecular Chirality on the Morphology of Biomimetic Langmuir Monolayers

机译:分子手性对仿生Langmuir单分子膜形态的影响

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摘要

Chirality (originated from the Greek word "cheir",meaning "hand") is an expression of nature,which is observed in its various forms.Traditionally,a lack of symmetry is considered to be the signature of chirality.In nature,diverse macroscopic objects such as hands,animal organs,biological organisms,and macromolecules,as well as microscopic objects such as molecules,are chiral.From a molecular point of view,molecules with equal atomic composition (same molecular formula) could be superimposable (homo-meric;identical) or non-superimposable (isomeric;structural isomers).Of these two categories,the isomers could be of the same constitution (stereoiso-meric) or of different constitutions (constitutionally isomeric).All stereoisomers have the same constitution,but they could be either non-superimposable mirror images (enantiomers) or not related by mirror image relationship (diastereoisomers).
机译:手性(起源于希腊语“ cheir”,意为“手”)是自然的一种表现形式,以各种形式观察到。传统上,缺乏对称性是手性的标志。诸如手,动物器官,生物和大分子之类的物体,以及诸如分子之类的微观物体都是手性的。从分子的角度来看,具有相同原子组成(相同分子式)的分子可能是可叠加的(均聚物) ;相同)或不可重叠(异构体;结构异构体)。在这两类中,异构体可以具有相同的组成(立体异构)或不同的组成(组成异构)。所有立体异构体具有相同的组成,但它们可以是不可叠加的镜像(对映异构体),也可以是镜像关系不相关的(非对映异构体)。

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