2 条结果 关键词:pNIPAm微凝胶 ×

Poly(N-isopropylacrylamide) microgel-based etalons for the label-free quantitation of estradiol-17β in aqueous solutions and milk samples.

Analytical and bioanalytical chemistry 2018 Jiang Y, Colazo MG, Serpe MJ

本文报道一种新型雌二醇-17β(E2)生物传感器,由聚(N-异丙基丙烯酰胺)(pNIPAm)微凝胶基etalon构成,其最外层Au层修饰可结合E2的75-mer DNA适配体。当溶液中无E2时,适配体呈松散/线性结构,允许离子穿过并进入微凝胶层;离子改变微凝胶溶剂化状态,从而改变etalon光学性质。当存在E2时,适配体结合E2并发...

Enzyme-assisted polymer film degradation-enabled biomolecule sensing with poly (N-isopropylacrylamide)-based optical devices.

Analytica chimica acta 2018 Zhang W, Wei M, Carvalho WSP, Serpe MJ

本文报道了一种基于响应性聚合物法珀腔(etalon)的小鼠免疫球蛋白G(IgG)生物传感器。将过量碱性磷酸酶标记的山羊抗小鼠IgG(AP-GAM,F(ab')2片段)与小鼠IgG孵育,使AP-GAM与目标IgG结合;随后加入山羊抗小鼠IgG(Fc片段特异性)修饰的磁性微球(GAM-M),通过磁场将结合有AP-GAM的小鼠IgG复合物...