Mapping granular structure in the biological adhesive of Phragmatopoma californica using phase diverse coherent diffractive imaging

Corey T. Putkunz, Jesse N. Clark, David J. Vine, Garth J. Williams, Eugeniu Balaur, Guido A. Cadenazzi, Evan K. Curwood, Clare A. Henderson, Robert E. Scholten, Russell J. Stewart, Ian McNulty, Keith A. Nugent, Andrew G. Peele

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Abstract

This paper demonstrates the application of the high sensitivity, low radiation dose imaging method recently presented as phase diverse coherent diffraction imaging, to the study of biological and other weakly scattering samples. The method is applied, using X-ray illumination, to quantitative imaging of the granular precursors of underwater adhesive produced by the marine sandcastle worm, Phragmatopoma californica. We are able to observe the internal structure of the adhesive precursors in a number of states.

Original languageEnglish
Pages (from-to)1184-1188
Number of pages5
JournalUltramicroscopy
Volume111
Issue number8
DOIs
Publication statusPublished - Jul 2011
Externally publishedYes

Keywords

  • Biological imaging
  • Diffractive imaging
  • Phase retrieval
  • Phase-diversity
  • Ptychography

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