Injectable, self-healing and degradable dynamic hydrogels with tunable mechanical properties and stability by thermal-induced micellization

Lin, Chunqing; Chen, Leniu; He, Yuan; Xiang, Wenlong; Nie, Yujing; Cai, Baixue; Guo, Zanru

doi:10.1039/d4ra02480j

RSC Adv.

2024

DOI: 10.1039/d4ra02480j

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Injectable, self-healing and degradable dynamic hydrogels with tunable mechanical properties and stability by thermal-induced micellization

Chunqing Lin,

Leniu Chen,

Yuan He

et al.

Abstract: Dynamic hydrogels were created based on ABA triblock copolymers with acylhydrazone bonds crosslinking. The hydrogels displayed injectability, self-healing and biocompatibility. And their mechanics and stability could be tuned by temperature.

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Dual Temperature and pH Sensitive Poly(ethyl methacrylate‐co‐acrylamide) Nanogels Have Potential for Controlled Release of Doxorubicin

Hakkoymaz,

Mazi

2024

ChemistrySelect

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In this study, the synthesis and characterization of poly(ethyl methacrylate‐co‐acrylamide) (i.e., poly(EMA‐co‐AAm)) nanogels and the loading and release studies of doxorubicin hydrochloride were carried out. The synthesis of nanogels was carried out using the emulsion polymerization technique at 60 °C. Swelling experiments showed that the nanogels were sensitive to temperature and pH of the medium. Zeta sizer analysis results showed that the synthesized nanogels had an average size of 23.17 nm and the PDI value was 0.270. In the loading studies of doxorubicin into nanogels, the drug loading capacity (DLC) of the nanogel was determined as 32% and the drug loading efficiency (DLE) was determined as 77%. Release studies conducted at pH = 5.4 and pH = 7.4 at 37 °C showed that the release percentage was 17% even in 32 h at pH = 7.4, and 82% in 5 h at pH = 5.4. Release studies conducted at different temperatures at pH = 5.4 revealed that the release percentage was 82% at 37 °C, 85% at 39 °C, and 89% at 41 °C. These results revealed that poly(EMA‐co‐AAm) nanogels can be used in targeted controlled release of doxorubicin and can increase drug effects while reducing side effects.

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Dual Temperature and pH Sensitive Poly(ethyl methacrylate‐co‐acrylamide) Nanogels Have Potential for Controlled Release of Doxorubicin

Hakkoymaz,

Mazi

2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

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Injectable, self-healing and degradable dynamic hydrogels with tunable mechanical properties and stability by thermal-induced micellization

Abstract: Dynamic hydrogels were created based on ABA triblock copolymers with acylhydrazone bonds crosslinking. The hydrogels displayed injectability, self-healing and biocompatibility. And their mechanics and stability could be tuned by temperature.

Cited by 1 publication

References 49 publications

Dual Temperature and pH Sensitive Poly(ethyl methacrylate‐co‐acrylamide) Nanogels Have Potential for Controlled Release of Doxorubicin

Dual Temperature and pH Sensitive Poly(ethyl methacrylate‐co‐acrylamide) Nanogels Have Potential for Controlled Release of Doxorubicin

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