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13 March 2024 SCOBY-derived, modified conductive nanocellulose with optical properties for nanoscale sensing
Xinyue Hu, Reza Abbasi, Meruyert Imanbekova, Mohul Sharma, Marion Vandewynckele-Bossut, Rupa Haldavnekar, Sebastian Wachsmann-Hogiu
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Proceedings Volume PC12858, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XXI; PC1285807 (2024) https://doi.org/10.1117/12.3008917
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
SCOBY is a biomaterial derived from a symbiotic culture of bacteria and yeast. Its structure is characterized by intercalated nanocellulose fibers. There has been increased interest in using this bacterial nanocellulose to medical applications and in biosensors. For successful applications, their mechanical, optical, and electrical properties need to be characterized and improved. We report experimental results on the optical absorption, emission, and scattering properties of SCOBY and derivations of SCOBY. In addition, we demonstrate improved electrical conductivity by the addition of PEDOT:PSS and AgNPs into the nanocellulose matrix, leading to the possibility of SERS and luminescence emission for nanoscale biosensing applications.
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Xinyue Hu, Reza Abbasi, Meruyert Imanbekova, Mohul Sharma, Marion Vandewynckele-Bossut, Rupa Haldavnekar, and Sebastian Wachsmann-Hogiu "SCOBY-derived, modified conductive nanocellulose with optical properties for nanoscale sensing", Proc. SPIE PC12858, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XXI, PC1285807 (13 March 2024); https://doi.org/10.1117/12.3008917
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KEYWORDS
Electrical conductivity
Optical properties
Biosensors
Ultraviolet radiation
Raman scattering
Structured optical fibers
Surface enhanced Raman spectroscopy
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