Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/61790

TitleDevelopment of drug-loaded magneto-sensitive liposomes investigated by fluorescence techniques
Author(s)Cardoso, Beatriz D.
Pereira, Daniela S. M.
Rodrigues, Ana Rita Oliveira
Coutinho, Paulo J. G.
Castanheira, Elisabete M. S.
KeywordsMagnetoliposomes
Cancer therapy
Hyperthermia
Chemotherapy
Fluorescence anisotropy
Förster Resonance Energy Transfer
Emission quenching
Drug delivery
Magnetic nanoparticles
Issue date3-Oct-2019
PublisherSPIE - The Society of Photo-optical Instrumentation Engineers
JournalProceedings of SPIE
CitationProc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112071R (3 October 2019)
Abstract(s)Magneto-sensitive liposomes can be obtained by encapsulation of magnetic nanoparticles into liposomes or by the coverage of magnetic nanoparticles with a lipid bilayer. The so-called magnetoliposomes make possible to explore the synergistic effect between chemotherapy and magnetic hyperthermia in cancer therapeutics. Both aqueous magnetoliposomes (magnetic nanoparticles entrapped in liposomes) and solid magnetoliposomes (clusters of nanoparticles covered by a lipid bilayer), containing biocompatible magnetic nanoparticles, have been developed, exhibiting a superparamagnetic behavior and diameters below 150 nm. These nanosystems were successfully tested as nanocarriers for fluorescent potential antitumor drugs. Drug-loaded magnetoliposomes have shown the ability to interact by fusion with models of biomembranes and to release the antitumor drugs in in vitro assays using human tumor cell lines. Fluorescence-based methodologies, including Förster Resonance Energy Transfer (FRET), emission quenching and fluorescence anisotropy, have been used as valuable tools for this investigation.
TypeConference paper
URIhttp://hdl.handle.net/1822/61790
ISBN9781510631632
e-ISBN9781510631649
DOI10.1117/12.2527426
ISSN0277-786X
e-ISSN1996-756X
Publisher versionhttps://www.spiedigitallibrary.org/conference-proceedings-of-spie
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:PHYSICS OF QUANTUM MATERIALS AND BIONANOSTRUCTURES (2018 - ...)

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