Facile control of the surface property and hydrolytic degradation of poly(<scp>l</scp>-lactide) materials by coating poly(<scp>l</scp>-lactide)-based triblock copolymers with hydrophilic or hydrophobic block

Tsuji, Hideto; Tsukamoto, Narumi; Arakawa, Yuki

doi:10.1039/d2ma00417h

Mater. Adv.

2022

DOI: 10.1039/d2ma00417h

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Facile control of the surface property and hydrolytic degradation of poly(l-lactide) materials by coating poly(l-lactide)-based triblock copolymers with hydrophilic or hydrophobic block

Hideto Tsuji

Narumi Tsukamoto

Yuki Arakawa

Abstract: To diversify surface property and hydrolytic degradation rate is crucial to widen the applications of poly(L-lactide) (PLLA). In the present study, PLLA films were coated with PLLA-poly(ethylene glycol) (PEG)-PLLA (PLLA-b-PEG-b-PLLA)...

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2024

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Cited by 2 publications

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Wet chemical synthesis of nanohydroxyapatite within poly(sodium sulfonated butylene fumarate‐co‐acrylic acid) as bone scaffold: effects of sulfonate and carboxylic acid groups

Mahmoudzadeh,

Shirali,

Taromi

2024

Polymer International

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This study investigates the synthesis, nucleation and modification of biodegradable poly(sodium sulfonated butylene fumarate‐co‐acrylic acid)/hydroxyapatite nanocomposite scaffolds for bone tissue engineering, with a focus on the effects of incorporating hydrophilic sulfonate and carboxylic acid groups. Poly(butylene fumarate) was sulfonated at varying degrees and used to form nanocomposites through in situ nucleation of nanohydroxyapatite (nHA) in a simulated body fluid solution. Critical parameters such as water absorption, swelling behavior, mechanical properties, nanoparticle dispersion and biocompatibility were evaluated. Water uptake ratios ranged from 2.72 to 6.88 g g−1, while compressive modulus values increased up to 25.9 times compared with the corresponding homopolymers, demonstrating improved mechanical stability. Despite the formation of over 80% nanoparticles, well‐distributed nHA, with sizes averaging 39 ± 13 nm, was achieved through the incorporation of sulfonated groups, preventing nanoparticle agglomeration within the scaffold matrix. Additionally, the scaffolds supported human dermal fibroblast adhesion and proliferation, with cell viability remaining high throughout the culture period. These results suggest that the developed nanocomposite scaffolds offer enhanced biocompatibility, mechanical strength and osteogenic potential, making them promising candidates for bone tissue regeneration applications. © 2024 Society of Chemical Industry.

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Wet chemical synthesis of nanohydroxyapatite within poly(sodium sulfonated butylene fumarate‐co‐acrylic acid) as bone scaffold: effects of sulfonate and carboxylic acid groups

Mahmoudzadeh,

Shirali,

Taromi

2024

Polymer International

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Piezoelectric Biopolymers: Advancements in Energy Harvesting and Biomedical Applications

Xu,

Wen,

Shi

et al. 2024

Polymers

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Biodegradable piezoelectric polymers have emerged as a hot research focus in bioelectronics, energy-harvesting systems, and biomedical applications, as well as in sustainable future development. Biopolymers possess plenty of features which make them promising candidates for next-generation electronic technologies, including biocompatibility, degradability, and flexibility. This review discusses piezoelectric biopolymers, focusing on the relationship between coupling mechanisms, material structures, and piezoelectric performance. Processing techniques such as annealing, mechanical drawing, and poling are introduced and further studied in terms of achieving high piezoelectric performance. This work reviews the strategies for enhancing piezoelectric properties via molecular engineering, nano structuring, and the incorporation of additives. Furthermore, the applications of these biopolymers in energy harvesting and biomedicine are provided, with a discussion of their potential in degradable bioelectronic devices. There are still challenges in optimizing piezoelectric performance and ensuring stability. Our research is expected to provide an understanding of these challenges and help to achieve a wider application of piezoelectric biopolymers.

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Facile control of the surface property and hydrolytic degradation of poly(l-lactide) materials by coating poly(l-lactide)-based triblock copolymers with hydrophilic or hydrophobic block

Abstract: To diversify surface property and hydrolytic degradation rate is crucial to widen the applications of poly(L-lactide) (PLLA). In the present study, PLLA films were coated with PLLA-poly(ethylene glycol) (PEG)-PLLA (PLLA-b-PEG-b-PLLA)...

Cited by 2 publications

References 26 publications

Wet chemical synthesis of nanohydroxyapatite within poly(sodium sulfonated butylene fumarate‐co‐acrylic acid) as bone scaffold: effects of sulfonate and carboxylic acid groups

Wet chemical synthesis of nanohydroxyapatite within poly(sodium sulfonated butylene fumarate‐co‐acrylic acid) as bone scaffold: effects of sulfonate and carboxylic acid groups

Piezoelectric Biopolymers: Advancements in Energy Harvesting and Biomedical Applications

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