A novel non-invasive method for using carbon-13 magnetization transfer effects to determine and evaluate in vivo aspartate transaminase (AST) activity and levels in an organ, as a biomarker of disease and certain neurological disorders. More
Contrast agents for ultrasonic imaging, destruction of clots, ultrasound-induced permeability of blood vessels and other tissues, targeted drug delivery, or to enhance ultrasonic tissue ablation. More