尽管对驱动单体自组装形成超分子聚合物的因素有了越来越多的了解,但芳香度增加的影响在很大程度上被忽略了。在此,我们记录了基于方酸酰胺的 bolaamphiphiles 的两种不同自组装模式中的芳香性增益。重要的是,方酸酰胺合成子中的 O → S 取代导致超分子聚合物具有增加的纤维柔韧性和较低的聚合度。计算和光谱实验表明,氧代和硫代方酰胺双亲分子分别自组装成“头对尾”和“堆叠”排列。计算出的芳香性的能量和磁性标准表明,两种自组装模式都增加了方酸酰胺合成子的芳香特性,在所得的超分子聚合物结构中产生更强的分子间相互作用。这些例子表明,氢键和堆积相互作用都可以导致自组装时增加芳香性,突出其在单体设计中的相关性。
A new strategy to construct gold nanocluster-based optical probes using luminescence resonance energy transfer
作者:Shuyang Zhai、Wei Hu、Chen Fan、Wenqi Feng、Zhihong Liu
DOI:10.1039/d1cc01482j
日期:——
the construction of MPC-based optical probes is still scarce because of both the limited photoluminescence efficiency of MPCs and the lack of recognition mechanism. We herein propose a luminescenceresonanceenergy transfer-based strategy to circumvent these problems.
申请人:Centre National de la Recherche Scientifique (CNRS)
公开号:US10908153B2
公开(公告)日:2021-02-02
The invention relates to a method of identifying molecules which inhibit the virulence machinery of Pseudomonas aeruginosa, to a device for identifying a molecule which inhibits the virulence machinery of Pseudomonas aeruginosa, to novel compounds which inhibit the virulence machinery of Pseudomonas aeruginosa, to compounds for use for preventing and/or treating a pathogenic infection caused by Pseudomonas aeruginosa and also to pharmaceutical compositions for preventing and/or treating a pathogenic infection caused by Pseudomonas aeruginosa.
An objective of the present invention is to provide ionic polymers that can provide for polymer-comprising substrates whose surfaces can stably and easily immobilize ligands such as sugar chains interacting with biological substances, in which the ligand portion exists stably even in water or buffer, and its detection capability does not decrease for a long period of time; and substrates comprising the polymers. The ionic polymer of this invention comprises two or more ionic functional groups (A) and two or more biointeracting groups represented by formula L-X-B- [wherein, L denotes a ligand capable of interacting with a biological substance, X denotes a spacer, and B denotes a binding group] as side chains covalently bound to a main chain polymer.