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    <loc>https://www.chemistryworld.com/news/copper-chains-more-than-4000-atoms-long-are-the-longest-ever-produced/4024095.article</loc>
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        <news:name>Chemistry World</news:name>
        <news:language>en</news:language>
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      <news:publication_date>2026-09-01T13:30:00+01:00</news:publication_date>
      <news:title>Copper chains more than 4000 atoms long are the longest ever produced</news:title>
      <news:keywords>Physical chemistry,Materials,Electronic materials,Nanomaterials,Bonding,Nanoscience</news:keywords>
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