Nanotechnology Project

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Qdot Nanocrystals

Invitrogen Corporation (USA)

  • “Qdot nanocrystals are nanometer-scale (roughly protein-sized) atom clusters, containing from a few hundred to a few thousand atoms of a semiconductor material (cadmium mixed with selenium or tellurium), which has been coated with an additional semiconductor shell (zinc sulfide) to improve the optical properties of the material.”
  • “The many benefits they bring to fluorescence methodology include: Long-term photostability for live-cell imaging and dynamics studies; Fixability for follow-up immunofluorescence from in vivo studies; Archivability for permanent sample storage in pathology; Brilliant colors for simple, single-excitation source, multicolor analysis”
  • Available through website

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