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Development of biological metal–organic frameworks designed for biomedical applications: from bio-sensing/bio-imaging to disease treatment
Nanoscale Advances ( IF 4.6 ) Pub Date : 2020-07-31 , DOI: 10.1039/d0na00557f
Huai-Song Wang 1 , Yi-Hui Wang 1 , Ya Ding 1
Affiliation  

Metal–organic frameworks (MOFs) are built using various organic ligands and metal ions (or clusters). With properties of high porosity, tunable chemical composition, and potential for post-synthetic modification, they have been applied in biomedicine, especially in bio-sensing, bio-imaging, and drug delivery. Since organic ligands and metal centers (ions or clusters) in the structure of MOFs can directly influence the property, function, and performance of MOFs, strict screening of organic ligands and metal centers is necessary. Especially, to improve the application of MOFs in the field of biomedicine, biocompatible organic ligands with low toxicity are desirable. In recent years, biological metal–organic frameworks (bio-MOFs) with ideal biocompatibility and diverse functionality have attracted wide attention. Endogenous biomolecules, including nucleobases, amino acids, peptides, proteins, porphyrins and saccharides, are employed as frameworks for MOF construction. These biological ligands coordinate with diverse metal centers in different ways, leading to the structural diversity of bio-MOFs. In this review, we summarize the organic ligand selectivity in constructing different types of bio-MOFs and their influence in biomedical applications with attractive new functions.

中文翻译:


开发专为生物医学应用而设计的生物金属有机框架:从生物传感/生物成像到疾病治疗



金属有机框架(MOF)是使用各种有机配体和金属离子(或簇)构建的。凭借高孔隙率、可调节的化学成分和合成后修饰的潜力,它们已应用于生物医学,特别是生物传感、生物成像和药物输送。由于MOFs结构中的有机配体和金属中心(离子或簇)可以直接影响MOFs的性质、功能和性能,因此需要对有机配体和金属中心进行严格筛选。特别是,为了提高MOFs在生物医学领域的应用,需要低毒性的生物相容性有机配体。近年来,具有理想生物相容性和多样化功能的生物金属有机框架(bio-MOF)引起了广泛关注。内源生物分子,包括核碱基、氨基酸、肽、蛋白质、卟啉和糖,被用作 MOF 构建的框架。这些生物配体以不同的方式与不同的金属中心配位,导致生物MOF的结构多样性。在这篇综述中,我们总结了构建不同类型生物MOF时的有机配体选择性及其在具有有吸引力的新功能的生物医学应用中的影响。
更新日期:2020-09-16
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