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相关概念视频

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This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
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It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
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时间分辨率光色离子气结合有机框架,用于多式联络先进信息保护.

Yu-Ying Dai1, Li-Hui Cao1, Bin Zhou1

  • 1Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China.

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概括

研究人员开发了一种新型材料,R/S-iHOF-67,用于先进的信息加密. 这种响应刺激的发光材料提供了超越传统静态方法的动态,时间解析的防伪解决方案.

关键词:
信息的加密信息的加密.离子结有机框架 离子结有机框架这是一个多式联络模式.这是光色彩的光色彩.时间解决的时间解决.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 化学 化学 化学
  • 信息安全 信息安全

背景情况:

  • 响应刺激的发光材料对于信息防伪至关重要.
  • 传统的静态加密方法在安全方面存在局限性.
  • 时间解决策略提供了增强的,动态的加密维度.

研究的目的:

  • 构建一种用于时间解析信息加密的新材料.
  • 通过动态空间立体进化来实现高层次的安全性.
  • 开发多式联运信息保护技术.

主要方法:

  • 双---酸-甲二胺 (p-H2BSNDI) 和 (1R/S,2R/S) -1,2-二甲二胺 (R/S-DPEN) 的电荷辅助超分子自我组装形成R/S-iHOF-67.
  • 在聚乙醇 (PVA) 基质或有机溶剂中分散R/S-iHOF-67以增强光和研究光色特性.
  • 使用Förster共振能量转移 (FRET) 进行时间解析的动态光.
  • 开发多色光墨水,并与3D鲁比克立方体集成,用于4D信息加密.

主要成果:

  • 成功建造了R/S-iHOF-67,具有出色的光色特性.
  • R/S-iHOF-67固体粉具有高对比度的光色变化 (在1秒内从淡黄色到浅棕).
  • 0.5%-iHOF-67@PVA膜在紫外线激发下表现出动态光行为和光色.
  • 实现了动态变色QR码和4D加密系统 (时间分辨率).
  • 光对溶剂极性的敏感性使多色光墨水的开发成为可能.

结论:

  • R/S-iHOF-67可实现先进的,时间解析的信息加密和防伪.
  • 开发的4D加密系统显著增加了复杂性和解密难度.
  • 这项工作为设计范围广泛,时间解决,多式联运信息保护技术提供了参考.