Microbe-assisted fabrication of circularly polarized luminescent bacterial cellulosic hybrids

Yongjie Sun, Dan Zhang, Zhiqiang Dong, Jinxiao Lyu, Chunfei Wang, Jun Gong, Koon Ho Wong (), Changfeng Wu () and Xuanjun Zhang ()
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Yongjie Sun: University of Macau
Dan Zhang: University of Macau
Zhiqiang Dong: University of Macau
Jinxiao Lyu: University of Macau
Chunfei Wang: University of Macau
Jun Gong: University of Macau
Koon Ho Wong: University of Macau
Changfeng Wu: Southern University of Science and Technology
Xuanjun Zhang: University of Macau

Nature Communications, 2025, vol. 16, issue 1, 1-15

Abstract: Abstract The fabrications of circularly polarized luminescent (CPL) material are mainly based on the chemical and physical strategies. Controlled biosynthesis of CPL-active materials is beset with difficulties due to the lack of bioactive luminescent precursors and bio-reactors. Enlighted by microbe-assisted asymmetric biosynthesis, herein, we show the in situ bacterial fermentation of Komagataeibacter sucrofermentants to fabricate a series of bacterial cellulosic biofilms with CPL of green, orange, red, and near-infrared colors. This process can trigger CPL emission for CPL-silent glycosylated luminophores and amplify the glum of weak CPL-active luminophores up to a 10−2 scale. To confirm glycosidic bonds formation during the bacterial copolymerization process, we develop an assay utilizing the cellulase-catalyzed biodegradation of BC hybrids. More importantly, we achieve the information encryption and Fe3+ dual-channel detection based on hybrid bacterial cellulosic biofilms. Therefore, this study not only provides another vision for CPL materials preparation but also broadens the application of bacterial cellulosic hybrids.

Date: 2025
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DOI: 10.1038/s41467-025-56253-7

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