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Updated: Dec 10, 2025

Porous Silicon Microparticles for Delivery of siRNA Therapeutics

Porous Silicon Microparticles for Delivery of siRNA Therapeutics

Published on: January 15, 2015

Mesoporous Silica Nanoparticles in Bioimaging.

Daohe Yuan¹, Connor M Ellis¹, Jason J Davis¹

¹Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, UK.

Materials (Basel, Switzerland)

|September 2, 2020

Summary

Mesoporous silica nanoparticles (MSNs) offer a versatile platform for biomedical imaging. This review covers their synthesis, functionalization, and applications in magnetic resonance, optical, and multimodal imaging.

Keywords:

bioimaging imaging modality magnetic resonance imaging mesoporous silica nanoparticles multi-modality imaging nanoparticles optical imaging

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Area of Science:

Biomedical Imaging
Nanotechnology
Materials Science

Background:

Biomedical contrast agents enhance visualization of specific physiological regions.
Mesoporous silica nanoparticles (MSNs) are emerging as flexible imaging platforms.

Purpose of the Study:

To review the structural types and synthetic strategies of MSNs.
To discuss methods for MSN surface functionalization.
To highlight recent applications of MSNs in biomedical imaging.

Main Methods:

Discussion of MSN structural characteristics and synthesis pathways.
Overview of surface modification techniques for MSNs.
Review of literature on MSN applications in various imaging modalities.

Main Results:

MSNs possess tuneable size/morphology, abundant surface chemistry, and biocompatibility.
Various synthetic strategies allow for controlled MSN fabrication.
Surface functionalization enables targeted imaging and enhanced properties.

Conclusions:

MSNs are a promising class of nanomaterials for advanced biomedical imaging.
Their adaptability makes them suitable for magnetic resonance, optical, and multimodal imaging.
Further research into MSN functionalization and application holds significant potential.