Meeting Banner
Abstract #2271

Towards Quantifying pO2 via 1H Longitudinal Relaxation of Water: Quantifying the Confounds

Kelsey Meinerz1, Scott C. Beeman2, James D. Quirk2, Joel R. Garbow2,3, and Joseph J.H. Ackerman2,3,4,5

1Physics, Washington University in St Louis, St Louis, MO, United States, 2Radiology, Washington University in St Louis, Saint Louis, MO, United States, 3Siteman Cancer Center, Washington University in St Louis, Saint Louis, MO, United States, 4Internal Medicine, Washington University in St Louis, Saint Louis, MO, United States, 5Chemistry, Washington University in St Louis, Saint Louis, MO, United States

Crosslinked bovine serum albumin phantoms are used as tissue surrogates/mimics to investigate the physiologic confounds to R1-based tissue-O2 quantification under precise, laboratory controlled conditions. The relaxation-rate constants for both the rapidly relaxing and the slowly relaxing populations are affected by changes in temperature, pH, and protein concentration.

This abstract and the presentation materials are available to members only; a login is required.

Join Here