A collaborative study between Dr. Juan Allegretto from the Laboratory for Life Sciences Technology (LiST) and the Soft Matter Laboratory, Argentina, has been published in Inorganic Chemistry Frontiers. The paper, titled "Calcium Chloride as an Ionic Response Modulator in Metal-Organic Framework-filled Nanopores (MOF@SSNs): Enhancing Ionic Current Saturation and Selectivity," investigates the impact of calcium ions (CaCl₂) on ionic transport in MOF-modified solid-state nanochannels embedded in polyethylene terephthalate (PET) membranes.
The research highlights how calcium ions bind to carboxylate groups within the MOF-filled nanochannels, leading to ionic current saturation (ICS) across a wide pH range. This behavior is driven by enhanced surface charge and constructional porosity formed during MOF assembly. The findings suggest significant potential for tailoring ionic transport in applications such as ion-selective transport, biosensing, and energy generation.
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