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Retention and Transport of Hydrophobic and Hydrophilic Drug Surrogate Molecules in Coronary Arteries Measured Nondestructively With Photoacoustic Ultrasound

[+] Author Affiliations
Joseph T. Keyes, Leonardo G. Montilla, Russel S. Witte, Jonathan P. Vande Geest

The University of Arizona, Tucson, AZ

Paper No. SBC2013-14626, pp. V01AT14A006; 2 pages
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5560-7
  • Copyright © 2013 by ASME


The design and implementation of local drug delivery mechanisms in cardiovascular applications provides a method by which localized action can occur without potentially problematic systemic effects. This has been especially relevant in the case of drug-eluting stents (DESs). It has been previously shown that the degree of chemical polarization can significantly change the degree of transport and the degree of vascular retention of drugs. Understanding how these differences occur in real-time, and nondestructively, can better help guide the design of such pharmaceuticals. Previous work by our laboratory has indicated differences in transport based on location within the coronary tree (Fig. 1) [1].

Copyright © 2013 by ASME



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