Abstract
In this work, we present a novel rapid method for fabricating biocompatible, biodegradable gold nanoparticle-embedded silk films (AuNP–silk films) that have potential applications in bioengineering and biomedical research.
Highlights
Gold nanoparticles (AuNPs) have been studied for decades since they have many applications in diagnostics, therapeutics, optical sensing, and catalysis.[1,2,3] They have fascinating optical properties derived from their localized surface plasmon resonances, which make them excellent candidates for the development of optical sensors
Thin AuNP–silk films are prepared from a AuNP–silk nanocomposite and characterized by scanning electron microscopy (SEM), solid-state nuclear magnetic resonance (NMR) spectroscopy, and UV-visible spectroscopy
As a proof of principle, we further demonstrate that the prepared AuNP–silk films can serve as an excellent substrate for surface-enhanced Raman scattering in trace analysis
Summary
Gold nanoparticles (AuNPs) have been studied for decades since they have many applications in diagnostics, therapeutics, optical sensing, and catalysis.[1,2,3] They have fascinating optical properties derived from their localized surface plasmon resonances, which make them excellent candidates for the development of optical sensors. We present a novel rapid method for fabricating biocompatible, biodegradable gold nanoparticle-embedded silk films (AuNP–silk films) that have potential applications in bioengineering and biomedical research.
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