Imaging of selenium in plants using tapered metal monocapillary optics

I J Pickering, G Hirsch, R C Prince, E Y Sneeden, D E Salt, G N George

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Tapered metal monocapillary optics provide a potential alternative to conventional methods of producing small X-ray beams. This paper presents the initial results of chemically specific imaging using such devices. Cellular resolution of organic selenium is obtained in a longitudinal section of mature Astragalus bisulcatus, a selenium hyperaccumulating plant. This work demonstrates the utility of metal monocapillary optics for imaging dilute levels of target elements in biological tissues.

Original languageEnglish
Pages (from-to)289-290
Number of pages2
JournalJournal of synchrotron radiation
Publication statusPublished - May 2003


  • monocapillary optics
  • chemically specific imaging
  • selenium
  • hyperaccumulators
  • Astragalus bisulcatus


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