Paper
Journal of Materials Chemistry B
develop dual imaging probes able to be activated.73 The presence of
endogenous esterases or local pH changes can cleave the dye, and
release it in such a way that the fluorescence signal may be
increased once the dye molecules diffuse away from the proximity
of the SPIONs.66
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Acknowledgements
We would like to thank Natural Sciences and Engineering
Research Council (Canada), Fonds de Recherche du Quebec –
Nature et technologies (FRQNT, Quebec, Canada), and Center for
Self-assembled Chemical Structures (FQRNT, Quebec, Canada)
for financial support.
´
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