NDLI: Multifunctional supramolecular polymer networks as next-generation consolidants for archaeological wood conservation.

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Multifunctional supramolecular polymer networks as next-generation consolidants for archaeological wood conservation.

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Multifunctional supramolecular polymer networks as next-generation consolidants for archaeological wood conservation.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Jones, Mark Spring, David R. Hirschmugl, Carol J. Janecek, Emma-rose Sedlmair, Julia Koutsioubas, Alexandros Scherman, Oren A. Welch, Martin Nitschke, Jonathan R. Walsh, Zarah Hodgkinson, James T. Toprakcioglu, Chris
Description	Author Affiliation: Walsh Z ( Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom); Janecek ER ( Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom); Hodgkinson JT ( Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom); Sedlmair J ( US Forest Service, US Department of Agriculture, Forest Products Laboratory, Madison, WI 53276); Koutsioubas A ( Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science at Heinz Maier-Leibnitz Zentrum, D-85747 Garching, Germany); Spring DR ( Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom); Welch M ( Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, United Kingdom); Hirschmugl CJ ( Synchrotron Radiation Center, Stoughton, WI 53589); Toprakcioglu C ( Department of Physics, University of Patras, Patras 26500, Greece); Nitschke JR ( Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom); Jones M ( The Mary Rose Trust, HM Naval Base, Portsmouth PO1 3LX, United Kingdom.); Scherman OA ( Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom);
Abstract	The preservation of our cultural heritage is of great importance to future generations. Despite this, significant problems have arisen with the conservation of waterlogged wooden artifacts. Three major issues facing conservators are structural instability on drying, biological degradation, and chemical degradation on account of Fe(3+)-catalyzed production of sulfuric and oxalic acid in the waterlogged timbers. Currently, no conservation treatment exists that effectively addresses all three issues simultaneously. A new conservation treatment is reported here based on a supramolecular polymer network constructed from natural polymers with dynamic cross-linking formed by a combination of both host-guest complexation and a strong siderophore pendant from a polymer backbone. Consequently, the proposed consolidant has the ability to chelate and trap iron while enhancing structural stability. The incorporation of antibacterial moieties through a dynamic covalent linkage into the network provides the material with improved biological resistance. Exploiting an environmentally compatible natural material with completely reversible chemistries is a safer, greener alternative to current strategies and may extend the lifetime of many culturally relevant waterlogged artifacts around the world.
ISSN	00278424
e-ISSN	10916490
Journal	Proceedings of the National Academy of Sciences of the United States of America
Issue Number	50
Volume Number	111
Language	English
Publisher	National Academy of Sciences
Publisher Date	2014-12-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Multidisciplinary
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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