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Spherical Gold Nanoparticles

Creative Diagnostics offers a comprehensive list of coated, functional and conjugated gold nanoparticles by precisely surface engineering. We provide gold nanoparticles functionalized with active groups such as NHS, carboxyl, amine and hydroxyl. And conjugated nanoparticles with a variety of biological ligands are available for your unique requirements.


  • Probes for dark-field microscopy, electron microscopy and near-infrared fluorescent microscopy
  • Diagnostics for lateral flow immunoassay
  • Sensors for colorimetric detection and surface enhanced Raman spectroscopy
  • Drug targeting, delivery and photothermal therapy


  • Monodisperse without agglomeration and aggregation
  • Comprehensive characterization including TEM, UV-Vis, and DLS
  • Wide size ranges from 5-200 nm
  • Various surface properties: polymer or silica coated, functionalized and conjugated

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