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Nondestructive readout by an excitation light with high fluorescence contrast has been achieved using red, green, and blue fluorescent dyes (see figure). Reversible thermoresponsive recording of fluorescent images (TRF) using a molecularly doped matrix made up of a fluorescent dye, a leuco dye, and a developer is reported.
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Hirata et al. (2006) studied this question.
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