Fluorinated macromolecular amphiphiles as prototypic molecular drones.
Yujie Zheng1,2, Lijun Zhu1, Changsheng Ke1,2
1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China.
Summary
Researchers developed jellyfish-shaped molecular drones for advanced disease treatment. These biocompatible drones guide drug delivery and report treatment status using advanced imaging techniques like fluorine-19 MRI and fluorescence imaging.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Molecular Imaging
Background:
- Molecular drones offer potential as targeted therapies for major diseases.
- Fluorinated macromolecular amphiphiles are being explored for advanced biomedical applications.
Purpose of the Study:
- To introduce novel molecular drones for fluorine-19 MRI (19F MRI) and fluorescence imaging (FLI)-guided drug delivery.
- To demonstrate their utility in targeted cancer therapy and real-time status reporting.
Main Methods:
- Design and synthesis of jellyfish-shaped fluorinated macromolecular amphiphiles.
- Assembly of nanoparticles for hydrophobic drug delivery.
- Utilizing aggregation-induced emission (AIE) and fluorescence resonance energy transfer (FRET) for imaging.
- Employing 19F MRI and FLI for tracking and status updates.
- Loading drones with IR-780 for NIR tumor detection and doxorubicin (DOX) for chemotherapy.
Main Results:
- Demonstrated autonomous assembly of nanoparticles for efficient cellular drug delivery.
- Successfully tracked drug delivery status using AIE-based FLI and 19F MRI.
- Achieved targeted tumor detection and photosensitizer delivery using IR-780 loaded drones.
- Showcased enhanced therapeutic efficacy in doxorubicin-loaded drones via FRET-based real-time monitoring.
Conclusions:
- Developed prototype molecular drones with fundamental drone functions for biomedical applications.
- Highlighted the simplicity, structural precision, and versatility of these molecular drones.
- Laid the foundation for developing sophisticated molecular machines for significant biomedical implications.
