Author
Listed:
- Rintaro Suzuki
(Institute of Science Tokyo)
- Suguru Iwai
(Institute of Science Tokyo)
- Ryota Kirino
(Institute of Science Tokyo)
- Kosuke Sato
(Institute of Science Tokyo)
- Mariko Konishi
(Institute of Science Tokyo)
- George Hasegawa
(Nagoya University)
- Norio Ishizuka
(Emaus Kyoto Inc.)
- Kimihiro Matsukawa
(Kyoto Institute of Technology)
- Kazuo Tanaka
(Kyoto University)
- Elena Villani
(Institute of Science Tokyo)
- Shinsuke Inagi
(Institute of Science Tokyo)
Abstract
The research and implementation of portable and low-cost analytical devices that possess high reproducibility and ease of operation is still a challenging task, and a growing field of importance, within the analytical research. Herein, we report the concept, design and optimization of a microfluidic device based on electrochemiluminescence (ECL) detection that can be potentially operated without electricity for analytical purposes. The device functions exploiting the concept of streaming potential-driven bipolar electrochemistry, where a potential difference, generated from the flow of an electrolyte through a microchannel under the influence of a pressure gradient, is the driving force for redox reactions. To our purpose, we employ such a device to drive the ECL reaction of an organic chromophore deposited onto the electrode surface by simply flowing an electrolytic solution containing a coreactant into the microfluidic system, and we successively apply such device for the detection of amines in water. Our device shows high reproducibility and satisfactory detection limits for tri-n-propylamine, demonstrating an original, and up to now unexplored, concept of energy saving microfluidic systems with integrated ECL detection.
Suggested Citation
Rintaro Suzuki & Suguru Iwai & Ryota Kirino & Kosuke Sato & Mariko Konishi & George Hasegawa & Norio Ishizuka & Kimihiro Matsukawa & Kazuo Tanaka & Elena Villani & Shinsuke Inagi, 2025.
"An electrochemiluminescence device powered by streaming potential for the detection of amines in flowing solution,"
Nature Communications, Nature, vol. 16(1), pages 1-11, December.
Handle:
RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63548-2
DOI: 10.1038/s41467-025-63548-2
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