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Home » Japanese researchers solve long-standing puzzle of ion hydration

Japanese researchers solve long-standing puzzle of ion hydration

A recent breakthrough by Japanese researchers sheds light on the intricate world of ion hydration, holding promise for advancements in various fields. In a study published in Nature Communications, experts from The University of Tokyo delved into the unique properties of ion hydration in water-based solutions, uncovering a fresh understanding that transcends traditional explanations.

Previous approaches categorized ions as either structure-forming or structure-breaking, influencing water molecule networks. However, this simplified model falls short in capturing the complexity of ion hydration. The researchers turned to computational simulations to delve deeper, focusing on pseudo-main-group cations that interact with water through Coulomb and Van der Waals forces.

The team's significant discovery reveals that ions with lower charge densities engage more water , forming weak bonds between them. This principle holds true regardless of the ion type. They also unveiled an explanation for the wide range in hydration water residence times, proposing a mechanism to stabilize the hydration shell of certain ions by tuning their size and charge.

The implications of this breakthrough extend across multiple disciplines, spanning chemistry, biology, materials science, and various industries. It holds potential for enhancing energy storage using salt hydrates and refining RNA-based medical therapeutics. The newfound insights into ion hydration principles in water-based media open the door to innovative applications and advancements.

Source: University of Tokyo


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