Clay minerals and soil interactions

Clay minerals such as halloysite and montmorillonite are naturally occurring, nanoscale structures whose hollow tubular or layered geometries make them unusually effective at capturing, protecting, and releasing small molecules under controlled conditions. Researchers have found that these materials can be chemically modified at their surfaces to load drugs, proteins, or other bioactive agents and then embedded into polymer matrices to form nanocomposites with tunable mechanical and biological properties, opening pathways in drug delivery, wound healing, and tissue engineering. A central challenge is achieving precise spatial and temporal control over release kinetics—understanding how surface chemistry, pore geometry, and the surrounding biological environment interact to govern when and how cargo escapes. Active work is also focused on improving biocompatibility and scaling up surface modification techniques so that laboratory results translate reliably into clinical or industrial settings.

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Keywords

Clay NanotubesHalloysiteMontmorilloniteDrug DeliveryNanocompositesBiomedical Applications