Standard

Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties. / Safronov, Alexander; Kurilova, Nadezhda; Adamova, Lidiya et al.
In: Biomimetics, Vol. 8, No. 3, 279, 2023.

Research output: Contribution to journal › Article › peer-review

Harvard

Safronov, A, Kurilova, N, Adamova, L, Shklyar, T, Blyakhman, F & Zubarev, A 2023, 'Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties', Biomimetics, vol. 8, no. 3, 279. https://doi.org/10.3390/biomimetics8030279

APA

Safronov, A., Kurilova, N., Adamova, L., Shklyar, T., Blyakhman, F., & Zubarev, A. (2023). Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties. Biomimetics, 8(3), [279]. https://doi.org/10.3390/biomimetics8030279

Vancouver

Safronov A, Kurilova N, Adamova L, Shklyar T, Blyakhman F, Zubarev A. Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties. Biomimetics. 2023;8(3):279. doi: 10.3390/biomimetics8030279

Author

Safronov, Alexander ; Kurilova, Nadezhda ; Adamova, Lidiya et al. / Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties. In: Biomimetics. 2023 ; Vol. 8, No. 3.

BibTeX

@article{fa3d38d6e8684e8d986a547fa2855638,
title = "Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties",
abstract = "The synthesis and physicochemical properties of hydrogels with interpenetrated physical and chemical networks were considered in relation to their prospective application as biomimetic materials in biomedicine and bioengineering. The study was focused on combined hydrogels based on natural polysaccharide—calcium alginate (CaAlg) and a synthetic polymer–polyacrylamide (PAAm). The series of hydrogels with varying proportions among alginate and polyacrylamide have been synthesized, and their water uptake has been characterized depending on their composition. The equilibrium swelling and re-swelling in water after drying were considered. The compatibility of alginate and polyacrylamide in the combined blend was studied by the thermodynamic approach. It showed a controversial combination of negative enthalpy of mixing among PAAm and CaAlg with positive Gibbs energy of mixing. Mechanical and electrical properties of the combined gels with double networking were studied as relevant for their prospective use as scaffolds for tissue regeneration and working bodies in actuators. The storage modulus and the loss modulus were determined in the oscillatory compression mode as a function of proportions among natural and synthetic polymers. Both moduli substantially increased with the content of CaAlg and PAAm. The electrical (Donnan) potential of hydrogels was measured using the capillary electrode technique. The Donnan potential was negative at all compositions of hydrogels, and its absolute values increased with the content of CaAlg and PAAm.",
author = "Alexander Safronov and Nadezhda Kurilova and Lidiya Adamova and Tatyana Shklyar and Felix Blyakhman and Andrey Zubarev",
note = "The study was supported by the Russian Science Foundation (grant 20-12-00031). The mechanical and electrical measurements on gels were funded under the program of the Ministry of Health of the Russian Federation (project 121032300335-1).",
year = "2023",
doi = "10.3390/biomimetics8030279",
language = "English",
volume = "8",
journal = "Biomimetics",
issn = "2313-7673",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "3",

}

RIS

TY - JOUR

T1 - Hydrogels Based on Polyacrylamide and Calcium Alginate: Thermodynamic Compatibility of Interpenetrating Networks, Mechanical, and Electrical Properties

AU - Safronov, Alexander

AU - Kurilova, Nadezhda

AU - Adamova, Lidiya

AU - Shklyar, Tatyana

AU - Blyakhman, Felix

AU - Zubarev, Andrey

N1 - The study was supported by the Russian Science Foundation (grant 20-12-00031). The mechanical and electrical measurements on gels were funded under the program of the Ministry of Health of the Russian Federation (project 121032300335-1).

PY - 2023

Y1 - 2023

N2 - The synthesis and physicochemical properties of hydrogels with interpenetrated physical and chemical networks were considered in relation to their prospective application as biomimetic materials in biomedicine and bioengineering. The study was focused on combined hydrogels based on natural polysaccharide—calcium alginate (CaAlg) and a synthetic polymer–polyacrylamide (PAAm). The series of hydrogels with varying proportions among alginate and polyacrylamide have been synthesized, and their water uptake has been characterized depending on their composition. The equilibrium swelling and re-swelling in water after drying were considered. The compatibility of alginate and polyacrylamide in the combined blend was studied by the thermodynamic approach. It showed a controversial combination of negative enthalpy of mixing among PAAm and CaAlg with positive Gibbs energy of mixing. Mechanical and electrical properties of the combined gels with double networking were studied as relevant for their prospective use as scaffolds for tissue regeneration and working bodies in actuators. The storage modulus and the loss modulus were determined in the oscillatory compression mode as a function of proportions among natural and synthetic polymers. Both moduli substantially increased with the content of CaAlg and PAAm. The electrical (Donnan) potential of hydrogels was measured using the capillary electrode technique. The Donnan potential was negative at all compositions of hydrogels, and its absolute values increased with the content of CaAlg and PAAm.

AB - The synthesis and physicochemical properties of hydrogels with interpenetrated physical and chemical networks were considered in relation to their prospective application as biomimetic materials in biomedicine and bioengineering. The study was focused on combined hydrogels based on natural polysaccharide—calcium alginate (CaAlg) and a synthetic polymer–polyacrylamide (PAAm). The series of hydrogels with varying proportions among alginate and polyacrylamide have been synthesized, and their water uptake has been characterized depending on their composition. The equilibrium swelling and re-swelling in water after drying were considered. The compatibility of alginate and polyacrylamide in the combined blend was studied by the thermodynamic approach. It showed a controversial combination of negative enthalpy of mixing among PAAm and CaAlg with positive Gibbs energy of mixing. Mechanical and electrical properties of the combined gels with double networking were studied as relevant for their prospective use as scaffolds for tissue regeneration and working bodies in actuators. The storage modulus and the loss modulus were determined in the oscillatory compression mode as a function of proportions among natural and synthetic polymers. Both moduli substantially increased with the content of CaAlg and PAAm. The electrical (Donnan) potential of hydrogels was measured using the capillary electrode technique. The Donnan potential was negative at all compositions of hydrogels, and its absolute values increased with the content of CaAlg and PAAm.

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U2 - 10.3390/biomimetics8030279

DO - 10.3390/biomimetics8030279

M3 - Article

VL - 8

JO - Biomimetics

JF - Biomimetics

SN - 2313-7673

IS - 3

M1 - 279

ER -

ID: 43264072