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Abstract #2436

Autotriggering for DNP-Polarized In-Vivo 13C Experiments

Venkat Ramanan1, Albert Pofu Chen2, Graham A. Wright1, Charles H. Cunningham1

1Imaging Research, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; 2GE Healthcare, Toronto, Ontario, Canada

Hyperpolarized 13C labeled pyruvate has been used to study metabolic processes in-vivo. In these applications, it is useful to know the transit time taken for the contrast to travel from injection site to the imaging area of interest. This is then used to start an imaging sequence such as CSI at a specific time most suited for the desired contrast. Usually a dynamic non-localized FID experiment is done to get an estimate of the transit time. Here we present a method to gather and plot