Schematic representation of PDA/MNs preparation and the resulting color transition (IMAGE)

Tsinghua University Press

Schematic representation of PDA/MNs preparation and the resulting color transition

Caption

PDA liposomes were blended with MNs pre-solution to construct complexed microneedles (PDA/MNs). And the PDA liposomes turned out to be blue after irradiation at 254 nm. Perturbation of the PDA-conjugated backbone in response to external factors led to the color transition and fluorescence emission of PDA liposomes.

Credit

Prof. Ming Kong, College of Marine Life Science, Ocean University of China

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