Bare Iron Oxide Nanoparticles: Surface Tunability for Biomedical, Sensing and Environmental Applications

Area of Science:

• Materials Science
• Nanotechnology
• Surface Chemistry

Background:

• Surface modification of iron oxide nanoparticles is standard practice for stability and functionalization.
• Coating processes negatively impact sustainability, increasing costs and environmental burden.
• Bare iron oxide nanoparticles (BIONs) are gaining interest due to their intrinsic properties.

Purpose of the Study:

• To review the potential of BIONs, emphasizing their pristine surface chemistry.
• To highlight under-explored applications of BIONs in various industries.
• To explore the creation of complex nanostructures using BIONs.

Main Methods:

• Literature review focusing on bare iron oxide nanoparticles.
• Analysis of properties derived from pristine iron oxide surfaces.
• Exploration of opportunities in tuning BION surfaces.

Main Results:

• BIONs offer a sustainable and cost-effective alternative to modified nanoparticles.
• Untapped potential exists for BIONs in biomedicine, biotechnology, food, and environmental remediation.
• Direct manipulation of BION surfaces can lead to novel nanostructured architectures and emergent properties.

Conclusions:

• BIONs represent a promising nanomaterial with significant advantages over coated counterparts.
• Further research into tuning pristine BION surfaces is crucial for unlocking their full potential.
• BIONs are poised for expanded applications by leveraging their inherent surface chemistry.