journal article·2024-08Open access

Stimulus‐Responsive Gas Marbles as an Amphibious Carrier for Gaseous Materials

Takanori Yasui, Anne‐Laure Fameau, Hyoungwon Park, Thu Thao Pham, Sabrina Pechmann, Silke Christiansen, Shin‐ichi Yusa, Tomoyasu Hirai, Yoshinobu Nakamura, Syuji Fujii

Advanced Science· Volume 11· Issue 32

Abstract

Abstract Gas marbles are a new family of particle‐stabilized soft dispersed system with a soap bubble‐like air‐in‐water‐in‐air structure. Herein, stimulus‐responsive character is successfully introduced to a gas marble system for the first time using polymer particles carrying a poly(tertiary amine methacrylate) (pKa ≈7) steric stabilizer on their surfaces as a particulate stabilizer. The gas marbles exhibited long‐term stability when transferred onto the planar surface of liquid water, provided that the solution pH of the subphase is basic and neutral. In contrast, the use of acidic solutions led to immediate disintegration of the gas marbles, resulting in release of the inner gas. The critical minimum solution pH required for long‐term gas marble stability correlates closely with the known pKa value for the poly(tertiary amine methacrylate) stabilizer. It also demonstrates amphibious motions of the gas marbles.
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Research context

OpenAlex topics: Pickering emulsions and particle stabilization · Micro and Nano Robotics · Surfactants and Colloidal Systems

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

Affiliations

Graduate School of Engineering Osaka Institute of Technology 5‐16‐1, Omiya, Asahi‐ku Osaka 535‐8585 Japan

Université Lille CNRS INRAE Centrale Lille UMR 8207 – UMET – Unité Matériaux et Transformations Lille F‐59000 France

Department for Correlative Microscopy and Materials Data Fraunhofer Institute for Ceramic Technologies and Systems (IKTS) 91301 Forchheim Germany

Department of Applied Chemistry Graduate School of Engineering University of Hyogo 2167 Shosha Himeji Hyogo 671‐2280 Japan

Institute for Nanotechnology and Correlative Microscopy gGmbH (INAM gGmbH) 91301 Forchheim Germany

Fachbereich Physik Freie Universität Berlin (FU Berlin) 14195 Berlin Germany

Department of Applied Chemistry Faculty of Engineering Osaka Institute of Technology 5‐16‐1, Omiya, Asahi‐ku Osaka 535‐8585 Japan

Nanomaterials Microdevices Research Center Osaka Institute of Technology 5‐16‐1 Omiya, Asahi‐ku Osaka 535‐8585 Japan

Funding

Japan Society for the Promotion of Science

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