An extreme biomimetic approach: hydrothermal synthesis of β-chitin/ZnO nanostructured composites

Marcin Wysokowski; Mykhailo Motylenko; Hartmut Stöcker; Vasilii V. Bazhenov; Enrico Langer; Anna Dobrowolska; Katarzyna Czaczyk; Roberta Galli; Allison L. Stelling; Thomas Behm; Łukasz Klapiszewski; Damian Ambrożewicz; Magdalena Nowacka; Serguei L. Molodtsov; Barbara Abendroth; Dirk C. Meyer; Krzysztof J. Kurzydłowski; Teofil Jesionowski; Hermann Ehrlich

doi:10.1039/C3TB21186J

An extreme biomimetic approach: hydrothermal synthesis of β-chitin/ZnO nanostructured composites†

Marcin Wysokowski,^a Mykhailo Motylenko,^b Hartmut Stöcker,^c Vasilii V. Bazhenov,^c Enrico Langer,^c Anna Dobrowolska,^d Katarzyna Czaczyk,^d Roberta Galli,^e Allison L. Stelling,^f Thomas Behm,^c Łukasz Klapiszewski,^a Damian Ambrożewicz,^a Magdalena Nowacka,^a Serguei L. Molodtsov,^c Barbara Abendroth,^c Dirk C. Meyer,^c Krzysztof J. Kurzydłowski,^g Teofil Jesionowski^a and Hermann Ehrlich*^c

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* Corresponding authors

^a Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, PL-60965 Poznan, Poland

^b Institute of Materials Science, TU Bergakademie Freiberg, Germany

^c Institute of Experimental Physics, TU Bergakademie Freiberg, Leipziger 23, 09599 Freiberg, Germany
E-mail: hermann.ehrlich@physik.tu-freiberg.de
Fax: +49 3731394314
Tel: +49 393731392867

^d Poznan University of Life Sciences, Department of Biotechnology and Food Microbiology, PL-60627 Poznan, Poland

^e Carl-Gustav-Carus Klinikum, TU Dresden, 01069 Dresden, Germany

^f Department of Mechanical Engineering and Materials Science, Duke University, 27708 Durham, NC, USA

^g Materials Design Group, Faculty of Materials Science and Engineering, Warsaw University of Technology, PL-02507 Warsaw, Poland

Abstract

β-Chitinous scaffolds isolated from the skeleton of marine cephalopod Sepia officinalis were used as a template for the in vitro formation of ZnO under conditions (70 °C) which are extreme for biological materials. Novel β-chitin/ZnO film-like composites were prepared for the first time by hydrothermal synthesis, and were thoroughly characterized using numerous analytical methods including Raman spectroscopy, HR-TEM and XRD. We demonstrate the growth of hexagonal ZnO nanocrystals on the β-chitin substrate. Our chitin/ZnO composites presented in this work show antibacterial properties against Gram positive bacteria and can be employed for development of inorganic–organic wound dressing materials.

Journal of Materials Chemistry B

An extreme biomimetic approach: hydrothermal synthesis of β-chitin/ZnO nanostructured composites†

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An extreme biomimetic approach: hydrothermal synthesis of β-chitin/ZnO nanostructured composites

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