A Minimal-Chemistry Route to Catalase-Powered Janus Micromotors Using Amine-Functional Polystyrene

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ID: 313363
2026
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Abstract
Abstract Chemically powered micro/nanomotors have been widely investigated, yet practical fabrication and enzyme integration remain challenging. We report a submicron Janus micromotor based on amino-functionalized polystyrene (AG-PS) particles prepared by hemispherical Au sputtering followed by one-step glutaraldehyde-mediated catalase immobilization. In 5% H₂O₂, the micromotors generated O₂ bubbles and exhibited propulsion at ∼178 μm s⁻¹. Catalase loading was estimated as 55 μU per particle, demonstrating a straightforward route to catalase-powered Janus micromotors.
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openalex_W7161237419 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Isao Shitanda, Yusuke Asano, Nozomi Terai, Tatsuo Aikawa, Yoshinao Hoshi, Masayuki Itagaki
Journal phytochemistry letters
Year 2026
DOI
10.1093/chemle/upag082
URL
https://doi.org/10.1093/chemle/upag082
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