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Colorful bioassays: Time- and color-resolved detection of Förster resonance energy transfer (FRET) from luminescent terbium complexes to different semiconductor quantum dots results in a fivefold multiplexed bioassay with sub-picomolar detection limits for all five bioanalytes (see picture). The detection of up to five biomarkers occurs with a sensitivity that is 40–-240-fold higher than one of the best-established single-analyte reference assays.
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Geißler et al. (2010) studied this question.
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