Self-Powered Triboelectric-Responsive Microneedles with Controllable Release of Optogenetically Engineered Extracellular Vesicles for Intervertebral Disc Degeneration Repair

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The authors fabricated an exercise self-powered triboelectric-responsive microneedle assay with the sustainable release of optogenetically engineered extracellular vesicles for intervertebral disc degeneration repair.
[Nature Communications]
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