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Abstract #3534

Optimal Oxygen Concentration for Hyperpolarized Xenon Brain MRI

Haidong Li 1 , Zhiying Zhang 1 , Jianping Zhong 1 , Weiwei Ruan 1 , Zhao Li 1 , Xianping Sun 1 , and Xin Zhou 1

1 Wuhan Institute of Physics and Mathematics,CAS, Wuhan, Hubei, China

We defined T1_total as a parameter to identify the total relaxation for the delivery of xenon gas to the brain, and the ventilation with 25-30% oxygen in the lung has shown the maximal HP xenon signal in the rat brain, which is valuable for in vivo brain applications

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