Peptide-Coated Silver Nanoparticles: Synthesis, Surface Chemistry, and pH-Triggered, Reversible Assembly into Particle Assemblies
作者： Philipp Graf , Alexandre Mantion , Annette Foelske , Andriy Shkilnyy , Admir Mašić
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摘要: Simple tripeptides are scaffolds for the synthesis and further assembly of peptide/silver nanoparticle composites. Herein, we explore peptide-controlled silver processes. Silver nanoparticles with a pH-responsive peptide coating have been synthesized by using one-step precipitation/coating route. The nature interaction effect on formation particles studied via UV/Vis, X-ray photoelectron, surface-enhanced Raman spectroscopies as well through electron microscopy, small angle scattering powder diffraction Rietveld refinement. reversibly form aggregates different sizes in aqueous solution. state aggregation can be controlled solution pH value. At low values, individual present. neutral clusters at high large precipitates observed.
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