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These period pads solidify blood to prevent leaks

They’re filled with a seaweed-derived product that forms a gel and is biodegradable.
  1. Bianca Nogrady
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A biodegradable molecule derived from seaweed that forms a gel when it comes into contact with blood could address leakage of menstrual products, according to a study1 published today.

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doi: https://doi.org/10.1038/d41586-024-02236-5

Updates & Corrections

  • Correction 12 July 2024: A previous version of this story included the wrong institution for Sharra Vostral.

References

  1. Bataglioli, R. A. et al. Matter https://doi.org/10.1016/j.matt.2024.06.028 (2024).

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  2. Hsu, B. B. et al. ACS Nano 9, 9394–9406 (2015).

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