| 摘要 |
A fluorescence cube comprising a housing; an exciter filter which allows passage of an incident light comprising a spectral range of from about 200 nanometers to about 400 nanometers; and either a beam splitter or a dichroic mirror which directs the incident light in a desired direction, and which transmits an emitted light in a desired direction. Also disclosed is a method of using the fluorescence cube for acquiring multicolor fluorescence images, the method comprising fluorescence labelling of a substrate with more than one species of water-soluble nanocrystals; and imaging the labelled substrate with a detection system comprising the fluorescence cube by exposing the labelled substrate to an incident light comprising an excitation spectral range, and detecting a transmitted light comprising an emission spectral range.
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