ArticleScientific reports2022
Optically-assisted thermophoretic reversible assembly of colloidal particles and E. coli using graphene oxide microstructures.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Low-power optical tweezers using large-diameter Gaussian and vortex beams for giant bubble trapping and rotation in fluorescent dye media.Scientific reports · 2026Article
- Article
- Optothermal Needle-Free Injection of Vaterite Nanocapsules.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Review
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Authors and funding
7 authors.
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Abstract
Optically-assisted large-scale assembly of nanoparticles have been of recent interest owing to their potential in applications to assemble and manipulate colloidal particles and biological entities. In the recent years, plasmonic heating has been the most popular mechanism to achieve temperature hotspots needed for extended assembly and aggregation. In this work, we present an alternative route to achieving strong thermal gradients that can lead to non-equilibrium transport and assembly of matter. We utilize the excellent photothermal properties of graphene oxide to form a large-scale assembly of silica beads. The formation of the assembly using this scheme is rapid and reversible. Our experiments show that it is possible to aggregate silica beads (average size 385 nm) by illuminating thin graphene oxide microplatelet by a 785 nm laser at low intensities of the order of 50-100 µW/µm
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