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Super-Resolution Imaging Technique Could Let Doctors See Inside Deep Tissue
Photoacoustic imaging combines optical illumination (which uses light waves) and ultrasound (which uses sound waves) to image biological samples in ways that would not be possible with either modality alone. Researchers from the Hebrew University of Jerusalem, Israel have reported in the journal Optica a new approach to photoacoustic imaging that offers vastly improved resolution, setting the stage for detailed in vivo imaging of deep tissue. The technique is based on computational improvements, so it can be performed with existing imaging hardware, and could provide a practical and low-cost option for improving biomedical imaging for research and diagnostics. After further refinements, the approach could offer the opportunity to observe the minute details of processes occurring in living tissue, such as the growth of tiny blood vessels, and therefore provide insights on normal development or disease processes such as cancer.
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