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Synthesis of Multifunctional Eu(III) Complex Doped Fe3O4/Au Nanocomposite for Dual Photo-Magnetic Hyperthermia and Fluorescence Bioimaging.

ABSTRACT: In this paper, the luminescent complex Eu(3-thenoyltrifluoroacetonate)3 was integrated with Fe3O4 and gold (Au) nanoparticles to form a multifunctional nanocomposite, Fe3O4/Au/Eu(TTA)3 (FOASET NC), for dual magnetic-photothermal therapy and biomedical imaging. Upon functionalization with amine-NH2, the FOASET NC exhibits a small size of 60-70 nm and strong, sharp emission at λmax = 614 nm, enhanced by surface plasmon resonance (SPR) of Au nanoparticles that provided an effective label for HT29 colorectal cancer cells by fluorescence microscopy imaging. In addition, a hyperthermia temperature (42-46 °C) was completely achieved by using these FOASET NCs in an aqueous solution with three heating modes for (i) Magnetic therapy (MT), (ii) Photothermal therapy (PT), and (iii) Dual magnetic-photothermal therapy (MPT). The heating efficiency was improved in the dual magnetic-photothermal heating mode.

SUBMITTER: Khuyen HT 

PROVIDER: S-EPMC9865881 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Synthesis of Multifunctional Eu(III) Complex Doped Fe<sub>3</sub>O<sub>4</sub>/Au Nanocomposite for Dual Photo-Magnetic Hyperthermia and Fluorescence Bioimaging.

Khuyen Hoang Thi HT   Huong Tran Thu TT   Van Nguyen Duc ND   Huong Nguyen Thanh NT   Vu Nguyen N   Lien Pham Thi PT   Nam Pham Hong PH   Nghia Vu Xuan VX  

Molecules (Basel, Switzerland) 20230111 2

In this paper, the luminescent complex Eu(3-thenoyltrifluoroacetonate)<sub>3</sub> was integrated with Fe<sub>3</sub>O<sub>4</sub> and gold (Au) nanoparticles to form a multifunctional nanocomposite, Fe<sub>3</sub>O<sub>4</sub>/Au/Eu(TTA)<sub>3</sub> (FOASET NC), for dual magnetic-photothermal therapy and biomedical imaging. Upon functionalization with amine-NH<sub>2</sub>, the FOASET NC exhibits a small size of 60-70 nm and strong, sharp emission at λ<sub>max</sub> = 614 nm, enhanced by surface  ...[more]

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