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  • RESEARCH HIGHLIGHT

Glowing nanoparticles can stop heart cells beating — or set them racing

Particles are triggered by infrared light and could be embedded deep in the body.
TEM image of the Tm3+ doped dumbbell shaped nanoparticles.

These nanoparticles have a core rich in erbium that fluoresces either red or green under infrared light. Credit: Q. Mei et al./Nature Commun.

Fluorescent nanometre-scale particles can be programmed to emit either red or green light — and thereby control the rhythmic beating of heart-muscle cells.

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Nature 574, 152-153 (2019)

doi: https://doi.org/10.1038/d41586-019-02986-7

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