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  "path": "/nanotechnology-news3/newsid=69478.php",
  "publishedAt": "2026-05-28T14:21:01.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Printed magnetic field sensors made from iron, cellulose and starch offer a recyclable, lower-toxicity path toward disposable bioelectronics.",
  "title": "Biobased spintronics"
}