Amyloid Templated Gold Aerogels

Amyloid fibril‐based ultralow‐density aerogels are designed by functionalization with gold nanoparticles and microcrystals, leading to hybrids of unprecedented lightness and functionality. By changing the colloidal gold shape, size, and concentration, the gold composition can be tuned to reach conte...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2016-01, Vol.28 (3), p.472-478
Main Authors: Nyström, Gustav, Fernández-Ronco, María P., Bolisetty, Sreenath, Mazzotti, Marco, Mezzenga, Raffaele
Format: Article
Language:English
Subjects:
Aerogels
Alloys
Amyloid - chemistry
amyloids
catalysis
Concentration (composition)
Density
Equivalence
fluorescence
Gels
Gold
Gold - chemistry
Gold base alloys
Metal Nanoparticles - chemistry
Models, Molecular
Nanoparticles
Protein Structure, Secondary
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Summary:Amyloid fibril‐based ultralow‐density aerogels are designed by functionalization with gold nanoparticles and microcrystals, leading to hybrids of unprecedented lightness and functionality. By changing the colloidal gold shape, size, and concentration, the gold composition can be tuned to reach contents ≥20 kt equivalent, yet at densities ≈103 lighter than any equivalent gold alloys, and combining unique features such as porosity, catalytic properties, pressure sensing, and autofluorescence.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201503465