2022
DOI: 10.1039/d1cp05622k
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Quantitative determination of cation–π interactions between metal ions and aromatic groups in aqueous media by a hydrogel Donnan potential method

Abstract: The binding ratios of various metal ions to aromatic groups by cation–π interactions in aqueous media have been quantitatively calculated by using Donnan potential measurements.

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Cited by 2 publications
(4 citation statements)
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“…To determine if higher concentrations of C AMPS,R in the second network precursor solution increase the DN hydrogels surface charge density C G after synthesis, we deployed electric potential measurements by using MET. When a polyelectrolyte hydrogel is equilibrated in a salt solution, a characteristic distribution of small mobile ions inside and outside of the gels is created, which generates an electrostatic potential difference (Donnan potential) at the gel−solution interface Δφ: 20,21 i k j j j j j y…”
mentioning
confidence: 99%
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“…To determine if higher concentrations of C AMPS,R in the second network precursor solution increase the DN hydrogels surface charge density C G after synthesis, we deployed electric potential measurements by using MET. When a polyelectrolyte hydrogel is equilibrated in a salt solution, a characteristic distribution of small mobile ions inside and outside of the gels is created, which generates an electrostatic potential difference (Donnan potential) at the gel−solution interface Δφ: 20,21 i k j j j j j y…”
mentioning
confidence: 99%
“…We deployed the microelectrode technique (MET) to precisely quantify the charge concentration at the surface layer of the DN hydrogels. MET measures the Donnan potential of a hydrogel equilibrated in a bath solution through the insertion of an extremely thin capillary electrode into the hydrogel. , …”
mentioning
confidence: 99%
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