title: Anionic polysaccharides as templates for the synthesis of conducting polyaniline and as structural matrix for conducting biocomposites.
abstract: A green chemoenzymatic pathway for the synthesis of conducting polyaniline (PANI) composites is presented. Laccase-catalyzed polymerization in combination with anionic polysaccharides is used to produce polysaccharide/PANI composites, which can be processed into flexible films or coated onto cellulose surfaces. Different polysaccharide templates are assessed, including κ-carrageenan, native spruce O-acetyl galactoglucomannan (GGM), and TEMPO-oxidized cellulose and GGM. The resulted conducting biocomposites derived from natural materials provide a broad range of potential applications, such as in biosensors, electronic devices, and tissue engineering.
authors.affiliation: Laboratory of Wood and Paper Chemistry, Process Chemistry Centre, Åbo Akademi University, Porthaninkatu 3, 20500 Turku, Finland. aleppane@abo.fi
authors.forename: Ann-Sofie
authors.initials: AS
authors.lastname: Leppänen
authors.forename: Chunlin
authors.initials: C
authors.lastname: Xu
authors.forename: Jun
authors.initials: J
authors.lastname: Liu
authors.forename: Xiaoju
authors.initials: X
authors.lastname: Wang
authors.forename: Markus
authors.initials: M
authors.lastname: Pesonen
authors.forename: Stefan
authors.initials: S
authors.lastname: Willför
mesh_terms: D000814:Aniline Compounds / Q000138:chemical synthesis*; D000838:Anions; D002351:Carrageenan / Q000737:chemistry; D002482:Cellulose / Q000737:chemistry; D020099:Coated Materials, Biocompatible / Q000138:chemical synthesis*; D004553:Electric Conductivity; D005656:Fungal Proteins / Q000737:chemistry*; D055772:Green Chemistry Technology; D042845:Laccase / Q000737:chemistry*; D008351:Mannans / Q000737:chemistry; D008855:Microscopy, Electron, Scanning; D053761:Nanocomposites / Q000737:chemistry* / Q000648:ultrastructure; D058105:Polymerization; D017550:Spectroscopy, Fourier Transform Infrared
chemical_list: D000814:Aniline Compounds; D000838:Anions; D020099:Coated Materials, Biocompatible; D005656:Fungal Proteins; D008351:Mannans; C416807:polyaniline; D002351:Carrageenan; D002482:Cellulose; D042845:Laccase
keywords: conducting biocomposites; enzymes; polyaniline; polysaccharide templates