Cited by 145Nanoparticle-Based Drug DeliveryUltrasound and Hyperthermia ApplicationsCharacterization and Applications of Magnetic Nanoparticles

Thermosensitive liposomes entrapping iron oxide nanoparticles for controllable drug release

Tai, Lin-Ai, Tsai, Pi-Ju, Wang, Yu-Chao, Wang, Yu-Jing, Lo, Leu-Wei, Yang, Chung-Shi·2009·Nanotechnology

Abstract

Iron oxide nanoparticles can serve as a heating source upon alternative magnetic field (AMF) exposure. Iron oxide nanoparticles can be mixed with thermosensitive nanovehicles for hyperthermia-induced drug release, yet such a design and mechanism may not be suitable for controllable drug release applications in which the tissues are susceptible to environmental temperature change such as brain tissue. In the present study, iron oxide nanoparticles were entrapped inside of thermosensitive liposomes for AMF-induced drug release while the environmental temperature was maintained at a constant level. Carboxyfluorescein was co-entrapped with the iron oxide nanoparticles in the liposomes as a model compound for monitoring drug release and environmental temperature was maintained with a water circulator jacket. These experiments have been successfully performed in solution, in phantom and in anesthetized animals. Furthermore, the thermosensitive liposomes were administered into rat forearm skeletal muscle, and the release of carboxylfluorescein triggered by the external alternative magnetic field was monitored by an implanted microdialysis perfusion probe with an on-line laser-induced fluorescence detector. In the future such a device could be applied to simultaneous magnetic resonance imaging and non-invasive drug release in temperature-sensitive applications.

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Crossref · 10.1088/0957-4484/20/13/135101

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Authors
Tai, L.-A., Tsai, P.-J., Wang, Y.-C., Wang, Y.-J., Lo, L.-W., & Yang, C.-S.
Affiliations
  • National Health Research Institutes (TW)
  • National Chi Nan University (TW)
Venue
Nanotechnology
Published
2009-03-10
Volume
20
Issue
13
Pages
135101
ISSN
  • 0957-4484 (ISSN-L)
  • 1361-6528
OpenAlex
W2068747446
Cited by
145
References
31
Citations by year
2026: 1 · 2025: 6 · 2024: 1 · 2023: 5 · 2022: 8 · 2021: 9 · 2020: 6 · 2019: 15 · 2018: 2 · 2017: 7 · 2016: 8 · 2015: 11 · 2014: 18 · 2013: 9 · 2012: 15
FWCI
5.56
Type
journal article
Language
en
Open access
closed
Locations
  • Nanotechnology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Physical Sciences › Engineering › Biomedical Engineering › Ultrasound and Hyperthermia Applications
  • Physical Sciences › Engineering › Biomedical Engineering › Characterization and Applications of Magnetic Nanoparticles
Keywords
thermosensitive liposomes, iron oxide nanoparticles, controlled drug release, alternating magnetic field, hyperthermia, carboxyfluorescein, magnetic resonance imaging, microdialysis, laser-induced fluorescence, non-invasive drug delivery, brain tissue, skeletal muscle
MeSH terms
Animals, Delayed-Action Preparations, Electromagnetic Fields, Equipment Design, Ferric Compounds, Fluoresceins, Liposomes, Temperature, Microscopy, Electron, Transmission, Rats, Metal Nanoparticles

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