The present invention provides articles resistant to the adsorption of proteins, cells and bacteria. The articles can either have a chemical chain bonded thereon where the chemical chain can comprise a terminal group free of a hydrogen bond donor or where a hydrogen bond donor is sufficiently buried such that an exposed surface of the article including the chemical chain is free of a hydrogen bond donor. The chemical chain, or plurality of chemical chains, can comprise a monolayer such as a self-assembled monolayer (SAM) which can be homogeneous (one type of SAM) or mixed, i.e. or more different types of SAMs. Other more specific examples of chemical chains are provided. The plurality of chemical chains can comprise a polymer such as a polyamine. In many aspects, the plurality of chemical chains is sufficiently free of cross-linking or branching. The present invention also provides an article capable of specific binding of a desired biomolecule while preventing non-specific binding of biomolecules.
本发明提供了一种对蛋白质、细胞和细菌吸附具有抗性的物品。这些物品可以在其上具有
化学链,其中
化学链可以包括一个不含氢键供体的末端基团,或者氢键供体被足够埋藏,以使包括
化学链的暴露表面不含氢键供体。
化学链或多种
化学链可以包括单层,例如自组装单层(S
AM),它可以是均质的(一种S
AM)或混合的,即多种不同类型的S
AM。还提供了其他更具体的
化学链的例子。多种
化学链可以包括聚合物,例如聚胺。在许多方面,多种
化学链足够不含交联或分支。本发明还提供了一种物品,能够特异性结合所需
生物分子,同时防止非特异性
生物分子结合。