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Noble Metal Composite Porous Silk Fibroin Aerogel Fibers
Nobel metal composite aerogel fibers made from flexible and porous biopolymers offer a wide range of applications, such as in catalysis and sensing, by functionalizing the nanostructure. However, producing these composite aerogels in a defined shape is challenging for many protein-based biopolymers,...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6470705/ https://www.ncbi.nlm.nih.gov/pubmed/30889793 http://dx.doi.org/10.3390/ma12060894 |
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author | Mitropoulos, Alexander N. Burpo, F. John Nguyen, Chi K. Nagelli, Enoch A. Ryu, Madeline Y. Wang, Jenny Sims, R. Kenneth Woronowicz, Kamil Wickiser, J. Kenneth |
author_facet | Mitropoulos, Alexander N. Burpo, F. John Nguyen, Chi K. Nagelli, Enoch A. Ryu, Madeline Y. Wang, Jenny Sims, R. Kenneth Woronowicz, Kamil Wickiser, J. Kenneth |
author_sort | Mitropoulos, Alexander N. |
collection | PubMed |
description | Nobel metal composite aerogel fibers made from flexible and porous biopolymers offer a wide range of applications, such as in catalysis and sensing, by functionalizing the nanostructure. However, producing these composite aerogels in a defined shape is challenging for many protein-based biopolymers, especially ones that are not fibrous proteins. Here, we present the synthesis of silk fibroin composite aerogel fibers up to 2 cm in length and a diameter of ~300 μm decorated with noble metal nanoparticles. Lyophilized silk fibroin dissolved in hexafluoro-2-propanol (HFIP) was cast in silicon tubes and physically crosslinked with ethanol to produce porous silk gels. Composite silk aerogel fibers with noble metals were created by equilibrating the gels in noble metal salt solutions reduced with sodium borohydride, followed by supercritical drying. These porous aerogel fibers provide a platform for incorporating noble metals into silk fibroin materials, while also providing a new method to produce porous silk fibers. Noble metal silk aerogel fibers can be used for biological sensing and energy storage applications. |
format | Online Article Text |
id | pubmed-6470705 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-64707052019-04-27 Noble Metal Composite Porous Silk Fibroin Aerogel Fibers Mitropoulos, Alexander N. Burpo, F. John Nguyen, Chi K. Nagelli, Enoch A. Ryu, Madeline Y. Wang, Jenny Sims, R. Kenneth Woronowicz, Kamil Wickiser, J. Kenneth Materials (Basel) Article Nobel metal composite aerogel fibers made from flexible and porous biopolymers offer a wide range of applications, such as in catalysis and sensing, by functionalizing the nanostructure. However, producing these composite aerogels in a defined shape is challenging for many protein-based biopolymers, especially ones that are not fibrous proteins. Here, we present the synthesis of silk fibroin composite aerogel fibers up to 2 cm in length and a diameter of ~300 μm decorated with noble metal nanoparticles. Lyophilized silk fibroin dissolved in hexafluoro-2-propanol (HFIP) was cast in silicon tubes and physically crosslinked with ethanol to produce porous silk gels. Composite silk aerogel fibers with noble metals were created by equilibrating the gels in noble metal salt solutions reduced with sodium borohydride, followed by supercritical drying. These porous aerogel fibers provide a platform for incorporating noble metals into silk fibroin materials, while also providing a new method to produce porous silk fibers. Noble metal silk aerogel fibers can be used for biological sensing and energy storage applications. MDPI 2019-03-18 /pmc/articles/PMC6470705/ /pubmed/30889793 http://dx.doi.org/10.3390/ma12060894 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Mitropoulos, Alexander N. Burpo, F. John Nguyen, Chi K. Nagelli, Enoch A. Ryu, Madeline Y. Wang, Jenny Sims, R. Kenneth Woronowicz, Kamil Wickiser, J. Kenneth Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title | Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title_full | Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title_fullStr | Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title_full_unstemmed | Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title_short | Noble Metal Composite Porous Silk Fibroin Aerogel Fibers |
title_sort | noble metal composite porous silk fibroin aerogel fibers |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6470705/ https://www.ncbi.nlm.nih.gov/pubmed/30889793 http://dx.doi.org/10.3390/ma12060894 |
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