2022
DOI: 10.1016/j.eurpolymj.2022.111473
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Components, mechanisms and applications of stimuli-responsive polymer gels

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Cited by 38 publications
(11 citation statements)
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“…This substance is a polybase that is protonated in a mild acid, and the dangling primary amine groups receive a positive charge; that is, they are converted from the formula -NH 2 to -NH 3 + , which creates a repulsive force in it and causes its dissolution and transformation to sol. Nevertheless, it turns into a gel again after crossing the Pka point, removing the positive charges and creating a hydrogen bond between the amine groups (Yuan et al, 2022). This substance has an acidic pH in the sol state that causes inflammation in the host tissue, which subsides with the degradation of the gel.…”
Section: Redox Reactionsmentioning
confidence: 99%
“…This substance is a polybase that is protonated in a mild acid, and the dangling primary amine groups receive a positive charge; that is, they are converted from the formula -NH 2 to -NH 3 + , which creates a repulsive force in it and causes its dissolution and transformation to sol. Nevertheless, it turns into a gel again after crossing the Pka point, removing the positive charges and creating a hydrogen bond between the amine groups (Yuan et al, 2022). This substance has an acidic pH in the sol state that causes inflammation in the host tissue, which subsides with the degradation of the gel.…”
Section: Redox Reactionsmentioning
confidence: 99%
“…into mechanical work. 243–246 Owing to the inferior mechanical properties of hydrogels, actuators face challenges in responding promptly and sensitively to external stimuli, while exhibiting limited force output. 219,247,248 Therefore, inspired by the structure of biological soft tissue, bionic ordered structured hydrogel actuators with excellent mechanical properties are prepared.…”
Section: Applicationsmentioning
confidence: 99%
“…into mechanical work. [243][244][245][246] Owing to the inferior mechanical properties of hydrogels, actuators face challenges in responding promptly and sensitively to Fig. 7 Bionic ordered structured hydrogel bioremediation materials as (A) biological sutures are used to suture rat skin in vitro with reduced tissue damage compared with conventional sutures (figure reproduced with permission from American Chemical Society), 39 (B) wound dressings are used for rat wound repair to quickly promote wound healing (figure reproduced with permission from American Chemical Society), 239 and (C) implants replace cartilage tissue to promote tissue cell proliferation (figure reproduced with permission from Elsevier).…”
Section: Actuatorsmentioning
confidence: 99%
“…27,130 Hydrogels with nucleophilic groups (including hydroxyl groups, amines, thiols, and aldehydes) can generally form Schiff base bonds or other covalent bonds with nucleophilic groups (amino groups, hydroxyl groups) on the skin surface, thereby stably adhering to the skin surface. [131][132][133] However, when the hydrogel is covalently bonded to the skin surface, most of the reaction conditions are unbearable to the skin, and these hydrogels with strong adhesion tend to damage the skin when removed from the skin. Accordingly, it is basically impossible to make the biomimetic skin hydrogel adhere to the skin surface by covalent bond interaction.…”
Section: Adhesion Propertymentioning
confidence: 99%