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Development of conductive bacterial cellulose foams using acoustic cavitation


Bacterial cellulose (BC) has found applications in various fields ranging from healthcare to electronics. Functionalization of cellulose to impart conductive properties has been met with challenges due to superficial coating rather than uniform interactions with the conducting polymers. In this work, mechanical disruption is shown to be a facile strategy to develop BC-PEDOT:PSS conductive foams without the use of any harsh chemical treatments to functionalize cellulose. The strategy allows for uniform polymer intercalation with the cellulose nanofibers imparting superior conductive properties to the functional material. The conductive foams with low PEDOT:PSS ratio exhibit conductivity of 0.7 S/cm and are cytocompatible with human dermal fibroblasts (HDFa) cells.

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The authors would like to thank Dr. Rupali Reddy Pasula for assisting with the cell viability assay work. Schematic and flowchart figures were created with


This research was funded by National Research Foundation (NRF) Biological Design, Tools, and Applications (BDTA) Grant (#NRF2013-THE001-046).

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Correspondence to Sierin Lim.

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Vadanan, S.V., Lim, S. Development of conductive bacterial cellulose foams using acoustic cavitation. Cellulose 29, 6797–6810 (2022).

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  • Bacterial cellulose
  • Poly (3, 4-ethylenedioxythiophene) polystyrene sulfonate
  • Acoustic cavitation
  • Hybrid foams
  • Conductivity