Fluorescence Microscopic Investigations of Molecular Dynamics in Self-Assembled Nanostructures,The Chemical Record

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Fluorescence Microscopic Investigations of Molecular Dynamics in Self-Assembled Nanostructures
The Chemical Record ( IF 7.0 ) Pub Date : 2021-02-03 , DOI: 10.1002/tcr.202000173
Takashi Ito ₁ , Daniel A Higgins ₁

Affiliation

Many analytical methods employ self-assembled nanostructured materials as chemical recognition media. Molecular permeation through these materials exhibits unique selectivity owing to nanoconfinement-induced enhancement of permeant-nanostructure interactions. This Personal Account introduces our efforts to investigate the detailed dynamics of single or a small number of molecules in nanostructured materials. We developed new experimental and analysis approaches built upon laser-based fluorescence microscopy to measure the detailed translational and orientational dynamics of molecules diffusing in horizontally-oriented, cylindrical nanostructures, including surfactant micelles, silica mesopores, block copolymer microdomains, and bolaamphiphile-based organic nanotubes. Our studies clarified nanoscale details on the structural/chemical heterogeneity of the nanostructures, and their impacts on molecular mass transport dynamics.

中文翻译：

自组装纳米结构中分子动力学的荧光显微研究

许多分析方法采用自组装纳米结构材料作为化学识别介质。由于纳米限制诱导的渗透物-纳米结构相互作用增强，通过这些材料的分子渗透表现出独特的选择性。此个人帐户介绍了我们为研究纳米结构材料中单个或少量分子的详细动力学所做的努力。我们开发了基于激光荧光显微镜的新实验和分析方法，以测量在水平取向的圆柱形纳米结构中扩散的分子的详细平移和取向动力学，包括表面活性剂胶束、二氧化硅介孔、嵌段共聚物微区和基于双亲分子的有机纳米管.

更新日期：2021-02-03

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