ArticleOptics express2016
Characterizing cellular morphology by photoacoustic spectrum analysis with an ultra-broadband optical ultrasonic detector.
Article in Optics express, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Machine Learning Enabled Photoacoustic Spectroscopy for Noninvasive Assessment of Breast Tumor ProgressionACS sensors · 2024Article
- Fabrication of a translational photoacoustic needle sensing probe for interstitial photoacoustic spectral analysis.Photoacoustics · 2023Article
- Article
- Biomedical Application of Photoacoustics: A Plethora of Opportunities.Micromachines · 2022Review
- Characterizing the aggressiveness of prostate cancer using an all-optical needle photoacoustic sensing probe: feasibility study.Biomedical optics express · 2021Article
- Feasibility of identifying reflection artifacts in photoacoustic imaging using two-wavelength excitation.Biomedical optics express · 2020Article
- Functional Photoacoustic and Ultrasonic Assessment of Osteoporosis: A Clinical Feasibility Study.BME frontiers · 2020Article
- Insights into photoacoustic speckle and applications in tumor characterization.Photoacoustics · 2019Article
- Extended photoacoustic transport model for characterization of red blood cell morphology in microchannel flow.Biomedical optics express · 2018Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Photoacoustic spectrum analysis (PASA) has been demonstrated as a new method for quantitative tissue imaging and characterization. The ability of PASA in evaluating micro-size tissue features was limited by the bandwidth of detectors for photoacoustic (PA) signal acquisition. We improve upon such a limit, and report on developments of PASA facilitated by an optical ultrasonic detector based on micro-ring resonator. The detector's broad and flat frequency response significantly improves the performance of PASA and extents its characterization capability from the tissue level to cellular level. The performance of the system in characterizing cellular level (a few microns) stochastic objects was first shown via a study on size-controlled optically absorbing phantoms. As a further demonstration of PASA's potential clinical application, it was employed to characterize the morphological changes of red blood cells (RBCs) from a biconcave shape to a spherical shape as a result of aging. This work demonstrates that PASA equipped with the micro-ring ultrasonic detectors is an effective technique in characterizing cellular-level micro-features of biological samples.
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