Hybrid Decorated Core@Shell Janus Nanoparticles as a Flexible Platform for Targeted Multimodal Molecular Bioimaging...

Area of Science:

• Nanotechnology
• Biomedical Engineering
• Materials Science

Background:

• Targeted cancer theranosis combines therapy and diagnostics for improved patient outcomes.
• Advanced nanomaterials are crucial for developing effective theranostic platforms.
• Multimodal molecular imaging integrates various techniques to overcome individual limitations.

Purpose of the Study:

• To develop a novel Janus nanoplatform for targeted cancer theranosis.
• To enable site-selective modification of the nanoplatform for incorporating diagnostic and targeting agents.
• To evaluate the in vivo tumor-targeted multimodal imaging capabilities of the developed nanoplatform.

Main Methods:

• Fabrication of a Janus nanoplatform combining Fe3O4 NPs/mesoporous silica core@shell and an Au nanoparticle face.
• Orthogonal site-selective modification of the Janus nanoplatform.
• Incorporation of a cancer-targeting peptide (cRGD) and a fluorescent dye.
• In vivo multimodal imaging (magnetic resonance, computed tomography, fluorescence) in a fibrosarcoma mouse model.

Main Results:

• The Janus nanoplatform allowed for orthogonal site-selective functionalization.
• Successful in vivo tumor-targeted multimodal imaging was achieved using magnetic resonance, computed tomography, and fluorescence.
• The hybrid nanocarrier demonstrated effective tumor visualization in a fibrosarcoma mouse model.

Conclusions:

• The developed Janus nanoplatform is a versatile and powerful tool for integrated imaging and carrier functionalities.
• This platform shows significant potential for developing advanced multifunctional nanocarriers for targeted cancer theranosis.
• The findings support the advancement of targeted cancer theranosis through innovative nanomaterial design.