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Photoacoustic Imaging in Oxygen Detection

Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
Author to whom correspondence should be addressed.
Appl. Sci. 2017, 7(12), 1262;
Received: 5 October 2017 / Revised: 28 October 2017 / Accepted: 30 October 2017 / Published: 4 December 2017
(This article belongs to the Special Issue Biomedical Photoacoustic and Thermoacoustic Imaging)
Oxygen level, including blood oxygen saturation (sO2) and tissue oxygen partial pressure (pO2), are crucial physiological parameters in life science. This paper reviews the importance of these two parameters and the detection methods for them, focusing on the application of photoacoustic imaging in this scenario. sO2 is traditionally detected with optical spectra-based methods, and has recently been proven uniquely efficient by using photoacoustic methods. pO2, on the other hand, is typically detected by PET, MRI, or pure optical approaches, yet with limited spatial resolution, imaging frame rate, or penetration depth. Great potential has also been demonstrated by employing photoacoustic imaging to overcome the existing limitations of the aforementioned techniques. View Full-Text
Keywords: photoacoustic imaging; oxygen saturation; oxygen partial pressure photoacoustic imaging; oxygen saturation; oxygen partial pressure
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MDPI and ACS Style

Cao, F.; Qiu, Z.; Li, H.; Lai, P. Photoacoustic Imaging in Oxygen Detection. Appl. Sci. 2017, 7, 1262.

AMA Style

Cao F, Qiu Z, Li H, Lai P. Photoacoustic Imaging in Oxygen Detection. Applied Sciences. 2017; 7(12):1262.

Chicago/Turabian Style

Cao, Fei, Zhihai Qiu, Huanhao Li, and Puxiang Lai. 2017. "Photoacoustic Imaging in Oxygen Detection" Applied Sciences 7, no. 12: 1262.

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