Water: new frontiers of interfacial science

Irene Donati 30 Set 2025

 

An emerging and highly interesting area of research is the study of water confined at interfaces (the contact surface between two substances), where its molecular properties can differ drastically from those of "bulk water" . Water confined within nanostructures or in contact with material surfaces shows reduced mobility and a unique molecular organization.

New technologies such as scanning microscopy and X-ray spectroscopy are allowing scientists to "see" individual water molecules and measure their subtle interactions with material surfaces. This has led to groundbreaking discoveries, such as water's ability to flow at a speed hundreds of times faster through hydrophobic (water-repellent) nanotubes than through conventional channels.

Implications and new applications

These molecular insights have significant implications for the development of new technologies. The ability to manipulate water's behavior at the nanometric level opens up new avenues for solving global challenges, particularly in the field of water treatment and purification.

Water Purification: New membrane materials, based on nano-channels that leverage the accelerated flow of confined water, could lead to more energy-efficient filtration and desalination systems.

Materials science: Understanding the interactions between water and polymers is crucial for the development of biomaterials and hydrogels used in tissue engineering and drug delivery.

Climate research: The properties of water at interfaces play a role in the global water cycle, influencing processes such as cloud formation and carbon dioxide absorption.

In conclusion, the science of water at the molecular scale is a rapidly growing discipline that promises to provide new solutions to the world's most pressing problems, from water scarcity to climate change.

 

Bibliografia

Wang, G. (2014). Water science on the molecular scale: new insights into the characteristics of water. National Science Review, 1(2), 179-181. Disponibile su:

Popkin, B. M., D'Anci, K. E., & Rosenberg, I. H. (2010). Water, hydration, and health. Nutrition Reviews, 68(8), 439–458.

Liss, P. S., & Watson, A. J. (1995). Oceanic Carbon Dioxide and Climate Change. Academic Press.

Feely, R. A., Sabine, C. L., & Fabry, V. J. (2006). Carbon dioxide and the ocean: The marine carbon cycle. In Ocean Biogeochemistry: A Primer (pp. 147-175). Princeton University Press.

Bach, L. T., et al. (2019). Carbon dioxide removal with ocean alkalinity enhancement: What are the risks and opportunities?. Frontiers in Marine Science, 6, 390.

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Ultima modifica il Lunedì, 29 Settembre 2025 10:27
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