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Imaging of hemoglobin oxygen saturation variations in single vessels in vivo using photoacoustic microscopy
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10.1063/1.2435697
/content/aip/journal/apl/90/5/10.1063/1.2435697
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2435697
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Figures

Image of FIG. 1.
FIG. 1.

(a) PAM measurements of the fraction of the red ink concentration in a mixture of red and blue inks ([Red]/[Red]+[Blue]). (b) Comparison of PAM measurements with spectrophotometric measurements of in ex vivo bovine blood samples.

Image of FIG. 2.
FIG. 2.

(Color online) PAM imaging of variations in in single subcutaneous blood vessels in a Sprague Dawley rat in vivo. (a) Structural image reflecting the total hemoglobin concentration acquired at the optical wavelength under hyperoxia. (b) Static image within the marked region in panel A under normoxia, where arteries and veins are pseudocolored red and blue, respectively, based on the imaged values. (c) Image of the changes from normoxia to hypoxia (hypoxia value—normoxia value). (d) Image of changes from normoxia to hyperoxia (hyperoxia value—normoxia value). (e) Typical imaged values of in venous and arterial bloods under all three physiological states, where different trends of variation are observed.

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/content/aip/journal/apl/90/5/10.1063/1.2435697
2007-01-29
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Imaging of hemoglobin oxygen saturation variations in single vessels in vivo using photoacoustic microscopy
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2435697
10.1063/1.2435697
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