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  "path": "/nanotechnology-news3/newsid=69034.php",
  "publishedAt": "2026-03-31T12:19:53.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Researchers discovered a gut-liver serotonin axis where intestinal bacteria activate liver immune cells to clear drug delivery nanoparticles, revealing new ways to boost treatment efficacy.",
  "title": "Study reveals how gut bacteria secretly sabotage nanoparticle drug delivery"
}