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  "path": "/nanotechnology-news3/newsid=69139.php",
  "publishedAt": "2026-04-13T14:57:38.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Researchers have developed a noninvasive method to create light anywhere in the body. Their technique, which uses ultrasound waves to activate light-emitting nanoparticles, could be used to manipulate cell signals or facilitate light-based medical treatments in the future.",
  "title": "Researchers use nanomaterials and ultrasound to create light inside the body"
}