Roberts Courteney T, Grunlan Melissa A
Department of Biomedical Engineering Texas A&M University, College Station, Texas 77843-3003, United States.
Department of Biomedical Engineering, Department of Materials Science & Engineering, Department of Chemistry Texas A&M University, College Station, Texas 77843-3003, United States.
ACS Macro Lett. 2025 Aug 19;14(8):1221-1240. doi: 10.1021/acsmacrolett.5c00417. Epub 2025 Aug 10.
The rate of biodegradation of polyesters is essential to their utility in biomedical applications but is frequently undesirably slow, prompting significant interest in overcoming this limitation. Herein, we highlight passive, enzyme-mediated, and load-mediated mechanisms of the hydrolytic degradation of polyesters. Exemplified by recent reports, strategies to impart accelerated rates of degradation are discussed, including synthetic routes, 3D systems, and processing methods. Approaches to assess polyester degradation and are summarized, underscoring the need for careful consideration of testing parameters and the challenges arising from testing variability employed within the reported literature. Recent reports also highlight faster-degrading polyester systems for targeted biomedical applications, including regenerative engineering, drug delivery, women's health, and other medical devices. Overall, polyesters with accelerated rates of degradation will afford tremendous opportunities in bioresorbable devices and therapeutics.
聚酯的生物降解速率对于其在生物医学应用中的效用至关重要,但往往慢得不合人意,这引发了人们对克服这一局限性的浓厚兴趣。在此,我们重点介绍聚酯水解降解的被动、酶介导和负载介导机制。以近期报道为例,讨论了赋予加速降解速率的策略,包括合成路线、3D系统和加工方法。总结了评估聚酯降解的方法,并强调了仔细考虑测试参数的必要性以及文献报道中测试变异性所带来的挑战。近期报道还突出了用于靶向生物医学应用的降解更快的聚酯系统,包括再生工程、药物递送、女性健康和其他医疗设备。总体而言,具有加速降解速率的聚酯将在生物可吸收装置和治疗方面提供巨大机遇。
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