Abstract
We describe the projection of spatially modulated light for quantitatively mapping changes in oxyhemoglobin, deoxyhemoglobin, and oxygen saturation in two pilot studies in the rat barrel cortex during both permanent and temporary cerebral ischemia. The approach is based on the projection of spatial modulation of white light onto the brain. The reflected light is captured on a CCD camera, which is then processed to obtain the concentration and distribution of chromophores over a wide field. Preliminary results confirm a measurable and quantifiable increase in tissue molecular concentration of deoxy-hemoglobin and decrease in hemoglobin oxygen concentration in both experimental settings. Our preliminary data from our pilot studies demonstrate that spatial modulation of light can provide quantitative chromophore mapping of the brain and has a potential role in monitoring the course and severity of cerebral ischemia in cerebrovascular disease patients.
| Original language | English |
|---|---|
| Title of host publication | Photonic Therapeutics and Diagnostics III |
| DOIs | |
| State | Published - 31 Aug 2007 |
| Externally published | Yes |
| Event | Photonic Therapeutics and Diagnostics III - San Jose, CA, United States Duration: 20 Jan 2007 → 21 Jan 2007 |
Publication series
| Name | Progress in Biomedical Optics and Imaging - Proceedings of SPIE |
|---|---|
| Volume | 6424 |
| ISSN (Print) | 1605-7422 |
Conference
| Conference | Photonic Therapeutics and Diagnostics III |
|---|---|
| Country/Territory | United States |
| City | San Jose, CA |
| Period | 20/01/07 → 21/01/07 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Brain injury
- Cerebral hemodynamics
- Optical properties
- Spatially modulate light
- Stroke
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Biomaterials
- Radiology Nuclear Medicine and imaging
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