Leveraging the biocatalytic machinery of living organisms for fabricating functional bioelectronic interfaces,in vivo,defines a new class of micro-biohybrids enabling the seamless integration of technology with living...Leveraging the biocatalytic machinery of living organisms for fabricating functional bioelectronic interfaces,in vivo,defines a new class of micro-biohybrids enabling the seamless integration of technology with living biological systems.Previously,we have demonstrated the in vivo polymerization of conjugated oligomers forming conductors within the structures of plants.Here,we expand this concept by reporting that Hydra,an invertebrate animal,polymerizes the conjugated oligomer ETE-S both within cells that expresses peroxidase activity and within the adhesive material that is secreted to promote underwater surface adhesion.The resulting conjugated polymer forms electronically conducting and electrochemically activeμm-sized domains,which are inter-connected resulting in percolative conduction pathways extending beyond 100μm,that are fully integrated within the Hydra tissue and the secreted mucus.Furthermore,the introduction and in vivo polymerization of ETE-S can be used as a biochemical marker to follow the dynamics of Hydra budding(reproduction)and regeneration.This work paves the way for well-defined self-organized electronics in animal tissue to modulate biological functions and in vivo biofabrication of hybrid functional materials and devices.展开更多
基金innovation programme under grant agreement No 800926(FET-OPEN-HyPhOE)by the Swedish Research Council(VR-2017-04910)+5 种基金Additional funding was provided by the Knut and Alice Wallenberg Foundationthe Swedish Foundation for Strategic Research(SSF)The European Research Council(ERC)project e-NeuroPharma 834677the Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linkoping University(Faculty Grant SFO-Mat-LiU No.2009-00971)supported by MultiPark-A Strategic Research Area at Lund Universitythe MIUR project SHARID-ARS01-01270 for financial support.
文摘Leveraging the biocatalytic machinery of living organisms for fabricating functional bioelectronic interfaces,in vivo,defines a new class of micro-biohybrids enabling the seamless integration of technology with living biological systems.Previously,we have demonstrated the in vivo polymerization of conjugated oligomers forming conductors within the structures of plants.Here,we expand this concept by reporting that Hydra,an invertebrate animal,polymerizes the conjugated oligomer ETE-S both within cells that expresses peroxidase activity and within the adhesive material that is secreted to promote underwater surface adhesion.The resulting conjugated polymer forms electronically conducting and electrochemically activeμm-sized domains,which are inter-connected resulting in percolative conduction pathways extending beyond 100μm,that are fully integrated within the Hydra tissue and the secreted mucus.Furthermore,the introduction and in vivo polymerization of ETE-S can be used as a biochemical marker to follow the dynamics of Hydra budding(reproduction)and regeneration.This work paves the way for well-defined self-organized electronics in animal tissue to modulate biological functions and in vivo biofabrication of hybrid functional materials and devices.
