Ferro-Sponges for Drug and Cell Delivery

A ferrogel was created with controlled structures on multiple length scales. Application of a magnetic field induces large strain (>80%) with fast response times (<1s) to lead to burst release of drugs and cells embedded within the gel.

David A. Weitz (Physics & Applied Physics)
Cynthia M. Friend (SEAS)
Xuanhe Zhao
Jaeyun Kim, and
David Mooney
Harvard MRSEC (DMR-1420570)