A log phase culture of mouse endothelial cells was immunofluorescently labeled with primary anti-tubulin mouse monoclonal antibodies followed by goat anti-mouse secondary antibodies conjugated to Alexa Fluor 555 (pseudocolored blue). The cells were simultaneously stained for DNA with TO-PRO-3, a carbocyanine monomer with long-wavelength red fluorescence. Images were recorded with a 60x oil immersion objective using a zoom factor of 2.5 and sequential scanning with the 543-nanometer line from a green helium-neon laser and the 633-nanometer line of a red helium-neon laser. During the processing stage, individual image channels were pseudocolored with RGB values corresponding to each of the fluorophore emission spectral profiles unless otherwise noted above. View a larger version of this digital image. |
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