基于贻贝仿生化学的分离功能材料

发布时间：2018-07-23 07:40

【摘要】：贻贝仿生的表面化学是近年来材料学、化学、生物医学等领域的交叉研究热点。多巴胺可以作为贻贝足丝蛋白(Mfp)超强黏附特性的模型分子,通过复杂的氧化-自聚和组装,形成多种功能的聚多巴胺(PDA)纳米涂层和纳米粒子,在分离膜、吸附材料、生物医用材料、生物黏结剂等领域有着广阔的应用前景。本研究小组近年来持续开展了基于贻贝仿生化学的分离功能材料制备与结构调控的研究工作,率先将多巴胺表面沉积方法应用于多孔分离膜表面的构建与功能化,提出了多巴胺的自聚-沉积过程模型,进而验证了PDA沉积层的纳滤分离特性,建立了一条简单方便的膜表面功能化与纳滤膜制备新途径。本文主要对基于贻贝仿生化学的分离功能材料,特别是分离膜的研究进展进行综述,并对将来的发展趋势进行展望。
[Abstract]:Biomimetic surface chemistry of mussels has been a research hotspot in materials, chemistry, biomedicine and other fields in recent years. Dopamine can be used as a model molecule of the super adhesion properties of mussel foot fibroin (MFP). Through complex oxidation-self-aggregation and assembly, multi-functional polydopamine (PDA) nano-coatings and nanoparticles can be formed in separation membranes and adsorbed materials. Biomedical materials, biological binders and other fields have a broad application prospects. In recent years, the research team has continued to study the preparation and structure regulation of bionic mussel based separation functional materials. The dopamine surface deposition method was first applied to the construction and functionalization of porous membrane surface. A model of dopamine self-agglomeration and deposition process was proposed, and the characteristics of nanofiltration separation of PDA layer were verified, and a simple and convenient method of membrane surface functionalization and nanofiltration membrane preparation was established. In this paper, the research progress of separation functional materials based on bionic chemistry of mussels, especially the separation membranes, was reviewed, and the future development trend was prospected.
【作者单位】：浙江大学高分子科学与工程学系高分子合成与功能构造教育部重点实验室;
【基金】：国家自然科学基金(50803054;51273176)
【分类号】：TB34

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