4 条结果 关键词:反射光谱 ×

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...

Optical DNA Biosensor Based on Square-Planar Ethyl Piperidine Substituted Nickel(II) Salphen Complex for Dengue Virus Detection.

Sensors (Basel, Switzerland) 2018 Ariffin EY, Tan LL, Abd Karim NH, Yook Heng L

本文报道了一种用于登革病毒检测的敏感且选择性光学DNA生物传感器。该传感器基于新型平面哌啶侧链功能化N,N′-双-4-(羟基水杨醛亚胺基)-苯二胺镍(II)配合物,其可通过碱基堆积嵌入DNA,并作为光学DNA杂交标记。采用简易微乳液法合成3-氨基丙基三乙氧基硅烷(APTS)修饰的多孔硅纳米球(PSiNs),作为高容量DNA载体基质。...

Detection of Ammonia-Oxidizing Bacteria (AOB) Using a Porous Silicon Optical Biosensor Based on a Multilayered Double Bragg Mirror Structure.

Sensors (Basel, Switzerland) 2018 Zhang H, Lv J, Jia Z

本文报道了一种基于多孔硅(PS)双Bragg镜结构的无标记DNA生物传感器,用于检测氨氧化细菌(AOB)。该传感器通过室温电化学刻蚀制备,具有制备简单、光学性质优异等特点。与多种一维光子晶体结构相比,双Bragg镜结构的高反射禁带宽度约为761 nm,并在反射光谱1328 nm处呈现尖锐而深的共振峰,因而具有较高的灵敏度和可区分性。...

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...