Impact of NDI‐Core Substitution on the pH‐Responsive Nature of Peptide‐Tethered Luminescent Supramolecular Polymers,ChemistryOpen

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Impact of NDI‐Core Substitution on the pH‐Responsive Nature of Peptide‐Tethered Luminescent Supramolecular Polymers
ChemistryOpen ( IF 2.5 ) Pub Date : 2020-03-18 , DOI: 10.1002/open.202000017
Aritra Sarkar ₁ , Jonas C Kölsch ₂ , Christian M Berač _{2,

3} , Akhil Venugopal ₁ , Ranjan Sasmal ₁ , Ronja Otter ₂ , Pol Besenius _{2,

3} , Subi J George ₁

Affiliation

The pH‐responsive nature of two self‐assembled NDI‐peptide amphiphile conjugates is reported. The diethoxy substituted NDI showed a pH‐dependent assembly behaviour, as expected. In contrast, the isopropylamino‐ and ethoxy‐substituted NDI based supramolecular polymer was stable at acidic and basic aqueous conditions. This finding highlights how subtle changes in the molecular design of π‐stacked chromophore‐peptide conjugates have a drastic impact on their equilibrium structure and ultimately functional properties.

中文翻译：

NDI 核心取代对肽系发光超分子聚合物 pH 响应性质的影响

报道了两种自组装 NDI 肽两亲物缀合物的 pH 响应性质。正如预期的那样，二乙氧基取代的 NDI 显示出 pH 依赖性组装行为。相比之下，异丙氨基和乙氧基取代的NDI基超分子聚合物在酸性和碱性水条件下稳定。这一发现强调了π堆积发色团-肽缀合物分子设计的微妙变化如何对其平衡结构和最终功能特性产生巨大影响。

更新日期：2020-03-18

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