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Updated: Dec 24, 2025
Magnetic-, Acoustic-, and Optical-Triple-Responsive Microbubbles for Magnetic Hyperthermia and Pothotothermal Combination Cancer Therapy
Published on: May 22, 2020
An integrated nanoplatform for theranostics via multifunctional core-shell ferrite nanocubes.
Li Wang1, Yuping Yan, Min Wang
1The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai 200234, China. yanghong@shnu.edu.cn shipingy@shnu.edu.cn.
Magnetic core-shell ferrite nanocubes offer dual-mode cancer therapy. These nanoparticles combine magnetic hyperthermia and chemotherapy for targeted treatment, guided by magnetic resonance imaging.
Area of Science:
- Biomedical Engineering
- Materials Science
- Nanotechnology
Background:
- Magnetic core-shell ferrite nanocubes (MNCs) possess inherent magnetothermal properties.
- MNCs can function as T2-weighted magnetic resonance (MR) imaging contrast agents.
- Developing effective theranostic platforms for cancer treatment remains a critical challenge.
Purpose of the Study:
- To synthesize and characterize magnetic core-shell ferrite nanocubes for theranostic applications.
- To enhance the biocompatibility and targeting capabilities of MNCs.
- To create an integrated nanoplatform for targeted cancer therapy combining magnetic hyperthermia and chemotherapy.
Main Methods:
- Two-step pyrolysis was employed for the synthesis of MNCs.
- Poly(ethylene glycol) (PEG) and hyaluronic acid (HA) were used for surface modification.
- Doxorubicin (DOX) was loaded onto MNCs via pH- and heat-sensitive chemical bonding.
Main Results:
- The synthesized MNCs demonstrated excellent stability and magnetothermal effects.
- Surface modification with PEG and HA improved biocompatibility and targeting.
- In vitro studies showed negligible toxicity and synergistic therapeutic effects.
- In vivo MR imaging confirmed the efficacy of the nanoplatform.
Conclusions:
- A novel integrated nanoplatform based on MNCs was successfully developed for theranostics.
- This platform enables targeted MR imaging-guided synergistic therapy.
- The multifunctional nanocubes show significant potential for future cancer treatment strategies.
