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- W4313857564 abstract "Background: Despite medicinal advances, cancer is still a big problem requiring better diagnostic and treatment tools. Magnetic nanoparticle (MNP)-based nanosystems for multiple-purpose applications were developed for these unmet needs. Methods: This study fabricated novel trifunctional MNPs of Fe3O4@PLA-PEG for drug release, MRI and magnetic fluid hyperthermia. Result: The MNPs provided a significant loading of curcumin (∼11%) with controllable release ability, a high specific absorption rate of 82.2 W/g and significantly increased transverse relaxivity (r2 = 364.75 mM-1 s-1). The in vivo study confirmed that the MNPs enhanced MRI contrast in tumor observation and low-field magnetic fluid hyperthermia could effectively reduce the tumor size in mice bearing sarcoma 180. Conclusion: The nanocarrier has potential for drug release, cancer treatment monitoring and therapy.In this study, the authors designed and fabricated novel magnetic trifunctional nanoparticles of Fe3O4@PLA-PEG. The 8.5 nm Fe3O4 core was covered with the polymeric matrix of PLA-PEG to encapsulate an anticancer agent of curcumin at a content of about 11%. Curcumin release from the nanoparticles (NPs) could be controlled by applying a remote alternating magnetic field. The NPs enhanced MRI contrast, which allowed the authors to better distinguish the tumor and surroundings in MR images, which would help monitor treatment. The heat that NPs generated when applied to a field at low intensity could effectively reduce the tumor size in mice bearing sarcoma 180. The nanocarrier, therefore, has potential for cancer treatment monitoring and drug release conjuvant with magnetic hyperthermia therapy." @default.
- W4313857564 created "2023-01-10" @default.
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- W4313857564 date "2022-09-01" @default.
- W4313857564 modified "2023-10-01" @default.
- W4313857564 title "Multifunctional nanocarriers of Fe<sub>3</sub>O<sub>4</sub>@PLA-PEG/curcumin for MRI, magnetic hyperthermia and drug delivery" @default.
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