In vivo photoacoustic tomography of myoglobin oxygen saturation

被引：25

作者：

Lin, Li ^{[1
]}

Yao, Junjie ^{[1
]}

Li, Lei ^{[1
]}

Wang, Lihong V. ^{[1
]}

机构：

[1] Washington Univ, Dept Biomed Engn, Opt Imaging Lab, St Louis, MO 63130 USA

来源：

JOURNAL OF BIOMEDICAL OPTICS | 2016年 / 21卷 / 06期

基金：

美国国家卫生研究院;

关键词：

myoglobin; oxygen saturation; calibration-free photoacoustic tomography; backbone muscle; MUSCLE; HEMOGLOBIN; LIGHT; SPECTROSCOPY; HEART;

D O I：

10.1117/1.JBO.21.6.061002

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Myoglobin is an essential oxygen-binding hemoprotein in skeletal and cardiac muscles that buffers intracellular oxygen (O-2) concentration in response to hypoxia or elevated muscle activities. We present a method that uses photoacoustic computed tomography to measure the distribution of myoglobin in tissue and the oxygen saturation of myoglobin (sO(2)-Mb). From photoacoustic measurements of mice in different oxygenation states, we performed calibration-free quantification of the sO(2)-Mb change in the backbone muscle in vivo. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：5

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