Qdot® Probes

Qdot® probes represent a truly enabling nanotechnology and offer revolutionary fluorescence performance including:

  • Long-term photostability for live-cell imaging and dynamics studies
  • Brilliant colors for simple, single-excitation multicolor analysis
  • Fixability for follow-up immunofluorescence after in vivo studies
  • Narrow, symmetrical emission spectra for low interchannel crosstalk


View all Qdot® Probe Products

New Qdot® Products

Qmount™ Qdot® Mounting Media Qmount™ Qdot® Mounting Media
This new Qdot® addition preserves the fluorescence signal of Qdot® nanocrystals with little to no loss of the signal’s intensity both initially and over the course of several months.

 Qnuclear™ Deep Red Stain Qnuclear™ Deep Red Stain
A bright and photostable nuclear counterstain designed for use with cells labeled with Qdot® nanocrystals and mounted in Qmount™ Qdot® mounting media.

Qdot® Nanocrystal Applications

 

Qdot® nanocrystals and bioconjugates are ideal for experiments requiring long-term photostability or single-excitation, multicolor analysis.

 

Qdot® Probe Structure

Fundamentally, Qdot® probes are fluorophores—substances that absorb photons of light, then re-emit photons at a different wavelength.

 

 
Relative Size and Tuneability

There is a predictable relationship between the physical size of the quantum dot and the wavelength of emitted fluorescence. This property has been referred to as "tuneability", and is being widely exploited in the development of multicolor assays.

 

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