In order to examine modified microgels with transmission electron microscopy (TEM), we developed a sample preparation protocol that employs colloidal gold to label the sample/resin interface. This approach avoids the introduction of additional components to the prepolymer mixture, possibly altering the material properties of the resulting hydrogel. Examination of thinly sectioned hydrogels embedded in resin by TEM revealed that the gold particles clearly outlined the hydrogel/resin interface, facilitating characterization of a fatty acid coating on the hydrogel.

Original languageEnglish (US)
Pages (from-to)1065-1068
Number of pages4
JournalSurface and Interface Analysis
Issue number13 SPEC. ISS.
StatePublished - Dec 15 2003


  • Colloidal gold
  • Core-shell polymers
  • Hydrogels
  • Microgels
  • Transmission electron microscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry


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