The bio-enabled synthesis of a novel class of surface enhanced Raman scattering probes is presented for functional imaging with built-in and accessible electromagnetic hotspots formed between densely packed satellites grown on a plasmonic core. The superstructures serve as nanoscale sensors to spatiotemporally map intravesicular pH changes along endocytic pathways inside live cells.

Original languageEnglish
Pages (from-to)1502-1509
Number of pages8
JournalAdvanced Healthcare Materials
Issue number10
StatePublished - Jul 2015


  • Electromagnetic hotspots
  • Functional bioimaging
  • Plasmonic nanostructures
  • Surface enhanced Raman scattering


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