ArticlePhotoacoustics2021
Photoacoustic flow velocity imaging based on complex field decorrelation.
Article in Photoacoustics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 15 citations in OpenAlex.
- Optimization of light source parameters for photoacoustic imaging: trade-offs, technologies, and clinical considerations.JPhys photonics · 2026Review
- Noninvasive photoacoustic computed mesoscopy for longitudinal brain imaging.Science advances · 2026Article
- Principles of Doppler ultrasound and emerging blood flow imaging.Ultrasonography (Seoul, Korea) · 2025Article
- Advances in Photoacoustic Imaging of Breast Cancer.Sensors (Basel, Switzerland) · 2025Review
- A New Perspective on Stroke Research: Unraveling the Role of Brain Oxygen Dynamics in Stroke Pathophysiology.Aging and disease · 2024Review
- Vector-flow imaging of slowly movingPhotoacoustics · 2024Article
- Photoacoustic vector tomography for deep haemodynamic imaging.Nature biomedical engineering · 2024Article
- Photoacoustic imaging on its way toward clinical utility: a tutorial review focusing on practical application in medicine.Journal of biomedical optics · 2023Review
- Two-step proximal gradient descent algorithm for photoacoustic signal unmixing.Photoacoustics · 2022Article
- Functional photoacoustic microscopy of hemodynamics: a review.Biomedical engineering letters · 2022Review
- Recent research progress of photoacoustic endoscopy in the digestive system.Endoscopic ultrasoundArticle
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photoacoustic (PA) imaging can be used to monitor flowing blood inside the microvascular and capillary bed. Ultrasound speckle decorrelation based velocimetry imaging was previously shown to accurately estimate blood flow velocity in mouse brain (micro-)vasculature. Translating this method to photoacoustic imaging will allow simultaneous imaging of flow velocity and extracting functional parameters like blood oxygenation. In this study, we use a pulsed laser diode and a quantitative method based on normalized first order field autocorrelation function of PA field fluctuations to estimate flow velocities in an ink tube phantom and in the microvasculature of the chorioallantoic membrane of a chicken embryo. We demonstrate how the decorrelation time of signals acquired over frames are related to the flow speed and show that the PA flow analysis based on this approach is an angle independent flow velocity imaging method.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.