Fe₃O₄@SiO₂ Core-Shell Nanoparticles

Product Overview
Fe₃O₄@SiO₂ core-shell nanoparticles consist of a superparamagnetic Fe₃O₄ core and a silica (SiO₂) shell, offering excellent water solubility and dispersibility. The core-shell structure enhances the nanoparticles' surface for functional modification, making them suitable for a wide range of applications, such as magnetic drug carriers and multimodal imaging probes. The size of the core and shell can be customized to meet specific application requirements.

Key Features

• Superparamagnetism: The Fe₃O₄ core endows the nanoparticles with superparamagnetic properties, allowing them to quickly magnetize and demagnetize in the presence of an external magnetic field.
• Good Dispersibility and Water Solubility: These nanoparticles have excellent dispersibility and water solubility, making them suitable for use in biological media.
• Strong Surface Modification Potential: The SiO₂ shell provides abundant surface active sites for further functionalization, enabling easy conjugation with drugs or biomolecules.
• Customizable Size: The core and shell sizes can be tailored according to the needs of specific applications, allowing flexibility for various uses in different fields.

Applications

• Magnetic Drug Delivery: Fe₃O₄@SiO₂ nanoparticles serve as magnetic drug carriers, facilitating targeted drug delivery and controlled release.
• Multimodal Imaging Probes: These nanoparticles can be used in multimodal imaging, including MRI and fluorescence imaging, to enhance image contrast.
• Biomolecule Detection: They are used in biomolecular detection and analysis, acting as enhancers in biosensors.
• Nanomedicine: Fe₃O₄@SiO₂ nanoparticles play a crucial role in nanomedicine for drug delivery, therapy, and diagnostic imaging, contributing to theranostic applications.