Halloysite Nanotube Applications in Materials Science
Summary
Halloysite nanotubes are naturally occurring aluminosilicate clay minerals characterised by their hollow tubular morphology, high aspect ratio and large surface area. These intrinsic features, together with low cost, biocompatibility and chemical tunability, have propelled their integration into diverse material systems. In polymer science, halloysite serves as a reinforcing nanofiller that enhances mechanical strength and thermal stability. In nanomedicine, the tubular lumen enables encapsulation and controlled release of therapeutic agents. Functionalised halloysite also underpins catalytic supports, environmental remediation through pollutant adsorption and green preservation strategies for cultural heritage. The convergence of surface chemistry, nano-container design and composite engineering has established halloysite nanotubes as a versatile platform for sustainable, high-performance materials.
Research from Nature Portfolio
Recent studies have demonstrated the potential of halloysite nanotubes in stimuli-responsive drug delivery. A seminal investigation devised enzyme-activated dextrin end-stoppers on halloysite tubes, achieving selective intracellular release of a model dye in cancer cells. The programme exploits glycosyl hydrolase activity to remove end-caps within lysosomes, ensuring minimal premature leakage and enhanced cytotoxicity towards fast-growing carcinoma lines. This work exemplifies how biocompatible clay nanotubes can be engineered for precise, cell-specific release profiles, laying the groundwork for advanced anticancer nanotherapeutics that combine innate tube stability with programmable release mechanisms.
Halloysite Nanotube Applications in Materials Science publication trend
The graph below shows the total number of articles in halloysite nanotube applications in materials science across all publications each year (not limited to Nature Index journals).
Technical terms
Halloysite nanotube: Naturally occurring aluminosilicate clay mineral with a hollow tubular structure at the nanoscale.
Nanocomposite: Hybrid material in which nanoparticulate fillers are dispersed within a bulk matrix to enhance properties.
Pickering emulsion: Emulsion stabilised by solid particles adsorbed at the interface between two immiscible liquids.
Luminal loading: Introduction of functional molecules or nanoparticles into the internal cavity of tubular nanostructures.
Stimuli-responsive release: Controlled liberation of active agents from a carrier in response to specific environmental triggers.
References
- Enzyme-activated intracellular drug delivery with tubule clay nanoformulation. Scientific Reports (2015).
- Nanocomposites based on halloysite nanotubes and sulphated galactan from red seaweed Gloiopeltis: Properties and delivery capacity of sodium diclofenac. International Journal of Biological Macromolecules (2023).
- Pickering Emulsions Based on Wax and Halloysite Nanotubes: An Ecofriendly Protocol for the Treatment of Archeological Woods. ACS Applied Materials & Interfaces (2020).
- Halloysite/Keratin Nanocomposite for Human Hair Photoprotection Coating. ACS Applied Materials & Interfaces (2020).
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