Recent Progress in Magnetically Actuated Microrobots for Targeted Delivery of Therapeutic Agents

Junhee Choi, Junsun Hwang, Jin young Kim, Hongsoo Choi

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

Therapeutic agents, such as drugs and cells, play an essential role in virtually every treatment of injury, illness, or disease. However, the conventional practices of drug delivery often result in undesirable side effects caused by drug overdose and off-target delivery. In the case of cell delivery, the survival rate of the transplanted cells is extremely low and difficulties with the administration route of cells remain a problem. Recently, magnetically actuated microrobots have started offering unique opportunities in targeted therapeutic delivery due to their tiny size and ability to access hard-to-reach lesions in a minimally invasive manner; considerable advances in this regard have been made over the past decade. Here, recent progress in magnetically actuated microrobots, developed for targeted drug/cell delivery, is presented, with a focus on their design features and mechanisms for controlled therapeutic release. Additionally, the practical challenges faced by the microrobots, and future research directions toward the swift bench-to-bedside translation of the microrobots are addressed.

Original languageEnglish
Article number2001596
JournalAdvanced Healthcare Materials
Volume10
Issue number6
DOIs
StatePublished - 17 Mar 2021

Bibliographical note

Publisher Copyright:
© 2020 Wiley-VCH GmbH

Keywords

  • cell delivery
  • drug delivery
  • magnetically actuated
  • microrobots
  • therapeutic agents

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