Lipase sensing by naphthalene diimide based fluorescent organic nanoparticles: a solvent induced manifestation of self-assembly
作者:Debayan Chakraborty、Deblina Sarkar、Anup Kumar Ghosh、Prasanta Kumar Das
DOI:10.1039/d0sm02056g
日期:——
emission (AIE) properties. To this end, NDI-based, benzyl alcohol protected alkyl chain (C1, C5, and C10) linked amphiphilic molecules (NDI-1,2,3) were synthesized. Among the synthesized amphiphiles, benzyl ester linked C5 tailored naphthalene diimide (NDI-2) exhibited AIE with an emission maximum at 490 nm in a DMSO–water binary solvent system from fw = 30% and above water content. The fibrous morphology
超分子自组装的精确控制对于跨科学领域的纳米结构的苛刻应用引起了极大的兴趣。这项研究描绘了萘二酰亚胺(NDI)衍生的两亲物在二甲基亚砜(DMSO)中变化的水的形态转化,并利用其聚集诱导发射(AIE)特性选择性地检测脂肪酶。为此,合成了基于NDI的苯甲醇保护的烷基链(C1,C5和C10)连接的两亲分子(NDI-1,2,3)。中合成的两亲物,苄基酯连接的C5定制萘二酰亚胺(NDI-2 )显示出AIE具有发射最大值在490nm处的DMSO-水二元溶剂系统从˚F瓦特= 30%以上的水分含量。随着DMSO中水含量的增加,NDI-2的纤维形态在f w = 30%时逐渐转变为球形聚集颗粒,同时发射强度稳定增加。在˚F瓦特在DMSO = 99%水,观察到完全转化为荧光有机纳米颗粒(FONPs)。显微和光谱技术证明了溶剂驱动的形态转变和NDI-2的AIE特性。而且,这个NDI-2的AIEFONPs在选择性的关断用的检测10