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Self-assembly gets new direction

机译:自组装获得新方向

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摘要

Imagine trying to assemble a bookcase from parts covered in glue that stick to each other equally well wherever they touch, regardless of their relative orientations. You would quickly find the task to be extremely challenging, because the components would keep joining together in haphazard configurations, rather than fitting neatly into their intended positions. Indeed, even relatively simple structures, let alone your bookcase, are impossible to create when the interactions between individual parts lack two key properties: specificity and directionality.
机译:想象一下,试图用覆盖有胶水的部件组装书架,无论它们接触的相对方向如何,它们都可以在彼此接触的地方很好地粘合在一起。您很快就会发现这项任务非常具有挑战性,因为这些组件将以随意的配置保持连接在一起,而不是整齐地放置在预期的位置。的确,当各个部分之间的交互缺少两个关键特性:特异性和方向性时,即使是相对简单的结构(更不用说书架了)也无法创建。

著录项

  • 来源
    《Nature》 |2012年第7422期|p.42-43|共2页
  • 作者单位

    Departments of Materials Science and Engineering and of Chemistry, Northwestern University, Evanston, Illinois 60208, USA;

    Departments of Materials Science and Engineering and of Chemistry, Northwestern University, Evanston, Illinois 60208, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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