11 March 2015 High throughput imaging of blood smears using white light diffraction phase microscopy
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Proceedings Volume 9336, Quantitative Phase Imaging; 93361Y (2015); doi: 10.1117/12.2080200
Event: SPIE BiOS, 2015, San Francisco, California, United States
Abstract
While automated blood cell counters have made great progress in detecting abnormalities in blood, the lack of specificity for a particular disease, limited information on single cell morphology and intrinsic uncertainly due to high throughput in these instruments often necessitates detailed inspection in the form of a peripheral blood smear. Such tests are relatively time consuming and frequently rely on medical professionals tally counting specific cell types. These assays rely on the contrast generated by chemical stains, with the signal intensity strongly related to staining and preparation techniques, frustrating machine learning algorithms that require consistent quantities to denote the features in question. Instead we opt to use quantitative phase imaging, understanding that the resulting image is entirely due to the structure (intrinsic contrast) rather than the complex interplay of stain and sample. We present here our first steps to automate peripheral blood smear scanning, in particular a method to generate the quantitative phase image of an entire blood smear at high throughput using white light diffraction phase microscopy (wDPM), a single shot and common path interferometric imaging technique.
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Hassaan Majeed, Mikhail E. Kandel, Basanta Bhaduri, Kevin Han, Zelun Luo, Krishnarao Tangella, Gabriel Popescu, "High throughput imaging of blood smears using white light diffraction phase microscopy", Proc. SPIE 9336, Quantitative Phase Imaging, 93361Y (11 March 2015); doi: 10.1117/12.2080200; http://dx.doi.org/10.1117/12.2080200
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KEYWORDS
Blood

Microscopy

Diffraction

Refractive index

Microscopes

Phase imaging

Tissue optics

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