Contrast agents consisting of galactose particles and an amphilic carboxylic acid

摘要

PCT No. PCT/EP93/00026 Sec. 371 Date Sep. 29, 1994 Sec. 102(e) Date Sep. 29, 1994 PCT Filed Jan. 8, 1993 PCT Pub. No. WO93/13802 PCT Pub. Date Jul. 22, 1993The present invention relates to contrast agents comprising microbubble-generating carbohydrate microparticles in admixture with an amphiphilic organic acid containing in excess of 20 carbon atoms. The contrast agents exhibit good stability and/or enhanced contrast effect and may be used in diagnostic applications such as ultrasound and MR imaging.