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  "path": "/nanotechnology-news3/newsid=68961.php",
  "publishedAt": "2026-03-21T11:01:26.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A one-step technique covalently bonds a nanostructured silica shell onto individual fibers, creating durable superhydrophobic fabrics without nanoparticles or PFAS.",
  "title": "Fluorine-free nanostructured silica shell creates durable waterproof fabrics"
}