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Figure 3
Asbestos particulate detection. The two panes on the left show the original PCXI image and its corresponding motion-detected frame that revealed the moving object on the airway. The panes on the right are the next two motion-detected frames in the sequence. The black arrows mark the nasal airway edge running vertically through the image, and the white lines follow the same object across the three sequential frames each separated by 5 s. The last frame shows an enveloped clump of fibres with an elongated tail. These enveloped structures moved along the airway faster than all other particles studied, here at a rate of 4.4 mm min−1.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 16| Part 4| May 2009| Pages 553-561
doi:10.1107/S0909049509012618
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