DataVXACS NanoPaper
journal article·2019-01-28

Dynamic Control of Intramolecular Rotation by Tuning the Surrounding Two-Dimensional Matrix Field

Taizo Mori, Hokyun Chin, Kazuhiro Kawashima, Huynh Thien Ngo, Nam-Joon Cho, Waka Nakanishi, Jonathan P. Hill, Katsuhiko Ariga

ACS Nano
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Source abstract

Abstract

The intramolecular rotation of 4-farnesyloxyphenyl-4,4-difluoro-4-bora-3a,4a-diaza- s-indacene (BODIPY-ISO) was controlled by tuning its local physical environment within a mixed self-assembled monolayer at an air-water interface. Intramolecular rotation was investigated by considering the twisted intramolecular charge transfer (TICT) fluorescence of BODIPY-ISO, which increases in intensity with increasing viscosity of the medium. In situ fluorescence spectroscopy was performed on mixed monolayers of BODIPY-ISO with several different lipids at the air-water interface during in-plane compression of the monolayers. Depending on the identity of the lipid used, the fluorescence of the mixed monolayers could be enhanced by mechanical compression, indicating that the rotation of BODIPY-ISO can be controlled dynamically in mixtures with lipids dispersed at the air-water interface. Taken together, our findings provide insight into strategies for controlling the dynamic behavior of molecular machines involving mechanical stimuli at interfaces.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Luminescence and Fluorescent Materials · Lipid Membrane Structure and Behavior · Molecular Sensors and Ion Detection

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa 277-0827, Japan

World Premier International (WPI) Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan

School of Materials Science and Engineering, Nanyang Technological University, Singapore, 637553, Singapore

Global Research Center for Environment and Energy Based on Nanomaterials Science (GREEN), National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan

School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637459, Singapore

Funding

National Research Foundation of Korea · Core Research for Evolutional Science and Technology · Japan Society for the Promotion of Science

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