Iron Oxide Incorporated Conjugated Polymer Nanoparticles (CPNs)

Iron oxide conjugated polymer nanoparticles (CPNs) from Merck are composed of a semiconductor light-emitting polymer core consisting of iron oxide, encapsulated inside a biocompatible surfactant.

Manipulation with a magnetic field is facilitated by the iron oxide, while the surfactant enables covalent bonding with biomolecules like proteins, nucleic acids and antibodies.

The CPNs exhibit improved stability and sensitivity with quick, trustworthy outcomes throughout numerous assays. This makes them perfect for designing portable diagnostic tests. Merck provides a wide range of iron oxide conjugated CPNs with fluorescence emissions ranging from 420 to 680 nm.


  • Fluorescence microscopy
  • Flow cytometry
  • Tissue imaging
  • Immunohistochemistry
  • Rapid diagnostic tests
  • NIR imaging
  • Immunocytochemistry
  • 2-Photon imaging

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