In Vitro Platelet Adhesion of PNaAMPS/PAAm and PNaAMPS/PDMAAm Double‐Network Hydrogels

Zheng, Weiming; Liu, Zhen Qi; Xu, Feng; Gao, Jie; Chen, Yong Mei; Gong, Jian Ping; Osada, Yoshihito

doi:10.1002/macp.201400481

Cited by 21 publications

(16 citation statements)

References 41 publications

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“…The second network reactants slowly diffuse into the RC hydrogel, and the free‐radical polymerization of AAm monomer occurs under UV irradiation. MBAA with CC at both ends participated in the polymerization of two PAAm molecular chains, resulting in crosslinking between the PAAm molecular chains, as shown in Figure (b) …”

Section: Resultsmentioning

confidence: 95%

Robust hydrogel of regenerated cellulose by chemical crosslinking coupled with polyacrylamide network

Yang

Wei

et al. 2019

J of Applied Polymer Sci

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Regenerated cellulose/polyacrylamide (RC/PAAm) double network (DN) hydrogels are composed of cellulose crosslinked by epichlorohydrin (ECH) and chemical‐crosslinked PAAm. The prepared RC/PAAm DN hydrogels present enhanced strength, good shape recovery property, excellent energy dissipation properties, decreased equilibrium water content, and low equilibrium swelling ratio (SR). The compressive strength and modulus of RC/PAAm hydrogel are about 4.3 and 11.5 times compared to that of RC hydrogel, respectively. Intriguingly, the chemical crosslinking between ECH and cellulose chains could increase the distance between cellulose chains. Consequently, the increasing molar ratio of ECH to glucose leads to larger SRs and decreased mechanical strength of the hydrogels. Additionally, higher PAAm contents lead to more densely crosslinked networks, and thus decreasing the SRs and improving the mechanical strength of the hydrogels. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47811.

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Section: Resultsmentioning

confidence: 95%

Robust hydrogel of regenerated cellulose by chemical crosslinking coupled with polyacrylamide network

Yang

Wei

et al. 2019

J of Applied Polymer Sci

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“…The brittle network generates mechano-radicals that can trigger chemical reactions and functionalizes like a string in response to external mechanical loading. On the other hand, the stretchable network remains intact to preserve the integrity of the bulk hydrogel [25][26][27][28][29] and presents a viscoelastic behavior. Here, an extended Maxwell model is introduced to describe the mechanical behavior of the DN hydrogel composite, where the two networks are in the parallel connection in response to an externally mechanical stress ( ), therefore, [30] can be re-written using the following format,…”

Section: Dynamic-modal Mechanophore In Dn Hydrogel Compositementioning

confidence: 99%

Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength

Xing

Hossain

et al. 2019

Composites Part B: Engineering

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Smart materials with self-growing and tailorable mechanical strength have wide-range potential applications in self-healing, self-repairing, self-assembly, artificial muscle, soft robots and intelligent devices. However, their working mechanisms and principles are not fully understood yet and mathematically and physical modeling is a huge challenge, as traditionally synthesized materials cannot self-grow and reconstruct themselves once formed or deformed. In this study, a phenomenological constitutive model was developed to investigate the working mechanisms of self-growing and tailorable mechanical strength in double-network (DN) hydrogel composites, induced by mechanochemical transduction of dynamic-modal mechanophore. An extended Maxwell model was firstly employed to characterize the mechanical unzipping of hydrogel composites, and then mechanochemically induced destruction and reconstruction processes of brittle network in the hydrogel composite were formulated. The enhanced mechanical

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“…However, the working mechanisms of significantly improved mechanical properties of these polyelectrolyte dissociated DN hydrogels are different from those of the conventional ones [23][24][25]. It is expected that the excellent mechanical properties are originated from the ionic interactions between polyelectrolyte networks and solvent molecules [26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Cooperative dynamics of heuristic swelling and inhibitive micellization in double-network hydrogels by ionic dissociation of polyelectrolyte

Xing

Hossain

et al. 2020

Polymer

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In this study, a cooperative model has been proposed for the double network (DN) hydrogel, which synchronously undergoes heuristic swelling and inhibitive micellization by the ionic dissociation of polyelectrolyte. Flory-Huggins solution theory is initially employed to identify the working mechanism of dielectric constants on swelling behavior of the DN hydrogel. Then a free-energy function is introduced to formulate the constitutive relationship of the DN hydrogels, in which the first hydrotropic network undergoes a heuristic swelling and the second hydrophobic network undergoes an inhibitive micellization. Finally, the proposed model has been verified using the experimental results reported in the literature. A good agreement between the theoretical results and experimental ones has been achieved. This study provides a fundamental approach to formulate the constitutive relationship and to understand the cooperative dynamics of two types of networks in DN hydrogels induced by the polyelectrolyte.

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In Vitro Platelet Adhesion of PNaAMPS/PAAm and PNaAMPS/PDMAAm Double‐Network Hydrogels

Cited by 21 publications

References 41 publications

Robust hydrogel of regenerated cellulose by chemical crosslinking coupled with polyacrylamide network

Robust hydrogel of regenerated cellulose by chemical crosslinking coupled with polyacrylamide network

Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength

Cooperative dynamics of heuristic swelling and inhibitive micellization in double-network hydrogels by ionic dissociation of polyelectrolyte

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