Photo-click immobilization on quartz crystal microbalance sensors for selective carbohydrate-protein interaction analyses.

Photo-click immobilization on quartz crystal microbalance sensors for selective carbohydrate-protein interaction analyses.
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DOI:
10.1021/ac102781u
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发表时间:
2011-02-01
影响因子:
7.4
通讯作者:
Ramstrom, Olof
Ramstrom, Olof
中科院分区:
化学1区
文献类型:
--
作者:
Norberg, Oscar;Deng, Lingquan;Aastrup, Teodor;Yan, Mingdi;Ramstrom, Olof

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基于叠氮化物光连接和铜催化叠氮化物-炔环加成的光点击方法已经被评估用于将碳水化合物固定到聚合物材料上。已经针对适用的聚合物底物和蛋白质结合的选择性研究了材料的生物分子识别特性。该方法用于使用各种碳水化合物结构(基于 α-D-甘露糖、β-D-半乳糖和 N-乙酰基-β-D-葡萄糖胺)对一系列聚合物表面(聚苯乙烯、聚丙烯酰胺、聚(乙二醇)、聚(2-乙基-2-恶唑啉)和聚丙烯)进行功能化。使用石英晶体微天平流通系统和一系列不同的碳水化合物结合蛋白(凝集素),在蛋白质-碳水化合物相互作用的实时研究中评估功能化表面。该方法被证明是稳健且通用的,从而产生了一系列具有高且可预测的蛋白质选择性的高效传感器。
A photo-click method based on azide photoligation and Cu-catalyzed azide-alkyne cycloaddition has been evaluated for the immobilization of carbohydrates to polymeric materials. The biomolecular recognition properties of the materials have been investigated with regard to applicable polymeric substrates and selectivity of protein binding. The method was used to functionalize a range of polymeric surfaces (polystyrene, polyacrylamide, poly(ethylene glycol), poly(2-ethyl-2-oxazoline) and polypropene) with various carbohydrate structures (based on α-D-mannose, β-D-galactose and N-acetyl-β-D-glucosamine). The functionalized surfaces were evaluated in real-time studies of protein-carbohydrate interactions using a quartz crystal microbalance flow-through system with a series of different carbohydrate-binding proteins (lectins). The method proved to be robust and versatile, resulting in a range of efficient sensors showing high and predictable protein selectivities.
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