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Wood Research and Technology

Holzforschung

Cellulose – Hemicelluloses – Lignin – Wood Extractives

Editor-in-Chief: Faix, Oskar

Editorial Board: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Salmen, Lennart / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi

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Volume 66, Issue 3

Issues

Shaped hemocompatible aerogels from cellulose phosphates: preparation and properties

Falk Liebner
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria
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/ Ramona Dunareanu
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria
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/ Martina Opietnik
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria
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/ Emmerich Haimer
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Institute of Chemical and Energy Engineering, Muthgasse 107, A-1190 Vienna, Austria
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/ Martin Wendland
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Institute of Chemical and Energy Engineering, Muthgasse 107, A-1190 Vienna, Austria
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/ Carsten Werner
  • Leibniz Institute of Polymer Research, Max Bergmann Center of Biomaterials, Budapester Stra\xdfe 27, D-01069 Dresden, Germany
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/ Manfred Maitz
  • Leibniz Institute of Polymer Research, Max Bergmann Center of Biomaterials, Budapester Stra\xdfe 27, D-01069 Dresden, Germany
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/ Philipp Seib
  • Leibniz Institute of Polymer Research, Max Bergmann Center of Biomaterials, Budapester Stra\xdfe 27, D-01069 Dresden, Germany
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/ Marie-Alexandra Neouze
  • Vienna University of Technology, Institute for Materials Chemistry, Getreidemarkt 9/165, A-1060 Vienna, Austria
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/ Antje Potthast
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria
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/ Thomas Rosenau
  • University of Natural Resources and Life Sciences Vienna, Vienna, Austria
  • Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria
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Published Online: 2011-11-17 | DOI: https://doi.org/10.1515/hf.2011.163

Abstract

Hemocompatible, shaped cellulose phosphate aerogels were obtained from phosphorylated cellulosic pulps of low degree of phosphorylation (DSP≤0.20) by dissolution in stabilized NMMO×H2O, shaping, reprecipitation with ethanol and subsequent scCO2 drying. The novel aerogels were found to be promising materials for cell scaffolding and bone grafting. Special features include their interconnected and spread porosity, highly porous surface and microstructure, good hemocompatibility, and suitable hydroxyl apatite-binding environment. Adsorption of Ca2+ ions to the phosphate groups did not invert the negative inflammatory response observed after phosphorylating cellulose, but increased platelet-dependent parameters of hemostasis.

Keywords: aerogels; cell scaffolding materials; cellulose phosphates; hemocompatibility; Lyocell

About the article

Corresponding author. University of Natural Resources and Life Sciences Vienna, Department of Chemistry, Christian Doppler Laboratory for Advanced Cellulose Chemistry and Analytics, Muthgasse 18, A-1190 Vienna, Austria Phone: +43-1-47654-6452 Fax: +43-1-47654-6059


Received: 2011-04-28

Accepted: 2011-10-10

Published Online: 2011-11-17

Published in Print: 2012-03-01


Citation Information: Holzforschung, Volume 66, Issue 3, Pages 317–321, ISSN (Online) 1437-434X, ISSN (Print) 0018-3830, DOI: https://doi.org/10.1515/hf.2011.163.

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