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在CICECO中心科学家的推动下,生物活性陶瓷与玻璃领域持续取得了二十年的进展与突破。

Two decades of continuous progresses and breakthroughs in the field of bioactive ceramics and glasses driven by CICECO-hub scientists.

作者信息

Fernandes H R, Kannan S, Alam M, Stan G E, Popa A C, Buczyński R, Gołębiewski P, Ferreira J M F

机构信息

Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, University of Aveiro, Santiago University Campus, 3810-193, Aveiro, Portugal.

Centre for Nanoscience and Technology, Pondicherry University, 605014, Puducherry, India.

出版信息

Bioact Mater. 2024 Jun 8;40:104-147. doi: 10.1016/j.bioactmat.2024.05.041. eCollection 2024 Oct.

Abstract

Over the past two decades, the CICECO-hub scientists have devoted substantial efforts to advancing bioactive inorganic materials based on calcium phosphates and alkali-free bioactive glasses. A key focus has been the deliberate incorporation of therapeutic ions like Mg, Sr, Zn, Mn, or Ga to enhance osteointegration and vascularization, confer antioxidant properties, and impart antimicrobial effects, marking significant contributions to the field of biomaterials and bone tissue engineering. Such an approach is expected to circumvent the uncertainties posed by methods relying on growth factors, such as bone morphogenetic proteins, parathyroid hormone, and platelet-rich plasma, along with their associated high costs and potential adverse side effects. This comprehensive overview of CICECO-hub's significant contributions to the forefront inorganic biomaterials across all research aspects and dimensionalities (powders, granules, thin films, bulk materials, and porous structures), follows a unified approach rooted in a cohesive conceptual framework, including synthesis, characterization, and testing protocols. Tangible outcomes [injectable cements, durable implant coatings, and bone graft substitutes (scaffolds) featuring customized porous architectures for implant fixation, osteointegration, accelerated bone regeneration in critical-sized bone defects] were achieved. The manuscript showcases specific biofunctional examples of successful biomedical applications and effective translations to the market of bone grafts for advanced therapies.

摘要

在过去二十年中,CICECO中心的科学家们付出了巨大努力,致力于推进基于磷酸钙和无碱生物活性玻璃的生物活性无机材料的研究。一个关键重点是有意引入诸如镁、锶、锌、锰或镓等治疗性离子,以增强骨整合和血管生成,赋予抗氧化性能,并产生抗菌效果,这为生物材料和骨组织工程领域做出了重大贡献。预计这种方法将规避依赖生长因子(如骨形态发生蛋白、甲状旁腺激素和富血小板血浆)的方法所带来的不确定性,以及它们相关的高成本和潜在的不良副作用。本综述全面介绍了CICECO中心在所有研究方面和维度(粉末、颗粒、薄膜、块状材料和多孔结构)对前沿无机生物材料的重大贡献,遵循了一个基于连贯概念框架的统一方法,包括合成、表征和测试方案。取得了切实成果[可注射骨水泥、耐用的植入物涂层以及具有定制多孔结构用于植入物固定、骨整合和在临界尺寸骨缺损中加速骨再生的骨移植替代物(支架)]。该手稿展示了成功的生物医学应用的具体生物功能实例,以及骨移植用于先进治疗的有效市场转化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b344/11630650/4fe97c454273/ga1.jpg

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