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Stimulation of the surface plasmon resonance at 720 nm causes loss of fluorescence and deformation of the nucleus in fixed tissues. (a) DAPI stained nucleus. (b) Luminescence showing a cluster of nanoparticles. (c) Merged images from the two channels. (d-e) Increasing the laser power from 0.88 to 1.55 mW produces a loss of fluorescence of a section of the nucleus ( Media 1 (15MB, AVI) ).
