Electrochemiluminescence of [Ru(bpy)3]2+/tri-n-propylamine to visualize different lipid compositions in supported lipid membranes

Kaoru Hiramoto; Ayumi Hirano-Iwata; Kosuke Ino; Hitoshi Shiku

doi:10.1039/D4CC06245K

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Electrochemiluminescence of [Ru(bpy)₃]²⁺/tri-n-propylamine to visualize different lipid compositions in supported lipid membranes†

Kaoru Hiramoto,

*^ab Ayumi Hirano-Iwata,

^bc Kosuke Ino

^d and Hitoshi Shiku

Author affiliations

* Corresponding authors

^a Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 980-8578, Aramaki-aza-Aoba, Sendai, Japan
E-mail: kaoru.hiramoto.b4@tohoku.ac.jp

^b Research Institute of Electrical Communications, Tohoku University, Sendai, Japan

^c Advanced Institute for Materials Research, Tohoku University, Sendai, Japan

^d School of Engineering, Tohoku University, Sendai, Japan

Abstract

We report the direct imaging of supported lipid membranes using electrochemiluminescence (ECL) of [Ru(bpy)₃]²⁺ and tri-n-propylamine (TPrA). Lipid membranes with different compositions exhibited inherent ECL emissions due to electrostatic interactions and altered permeability of the luminophores, demonstrating the promising use of ECL microscopy for lipid membrane studies.

This article is part of the themed collection: 2025 Emerging Investigators

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Article information

DOI: https://doi.org/10.1039/D4CC06245K
Article type: Communication
Submitted: 24 Nov 2024
Accepted: 31 Jan 2025
First published: 02 Feb 2025
This article is Open Access

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Chem. Commun., 2025,61, 4495-4498

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Electrochemiluminescence of [Ru(bpy)₃]²⁺/tri-n-propylamine to visualize different lipid compositions in supported lipid membranes

K. Hiramoto, A. Hirano-Iwata, K. Ino and H. Shiku, Chem. Commun., 2025, 61, 4495 DOI: 10.1039/D4CC06245K

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