An innovative plastic optical fiber-based biosensor for new bio/applications. The case of celiac disease

被引:69
|
作者
Cennamo, Nunzio [1 ]
Varriale, Antonio [2 ]
Pennacchio, Anna [2 ]
Staiano, Maria [2 ]
Massarotti, Davide [3 ]
Zeni, Luigi [1 ]
D'Auria, Sabato [2 ]
机构
[1] Univ Naples 2, Dept Informat Engn, I-81031 Aversa, Italy
[2] IBP CNR, Lab Mol Sensing, I-80131 Naples, Italy
[3] Univ Naples Federico II, Dept Phys Sci, Naples, Italy
来源
关键词
Plastic optical fiber; Surface plasmon resonance; Biosensors; Celiac disease; SURFACE-PLASMON RESONANCE; SENSORS; GOLD; SPR;
D O I
10.1016/j.snb.2012.10.055
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In this work an innovative and low cost surface plasmon resonance (SPR) biosensor, based on the utilization of plastic optical fibers (POF), is presented and experimentally tested for the diagnosis and/or follow-up of celiac disease. In particular, the POF-based sensor was used to monitor the formation of the transglutaminase/anti-transglutaminase antibodies formation, a new hallmark for the diagnosis of celiac disease. In particular, on the gold layer surface of the POF sensor, the guinea pig transglutaminase was immobilized. The ability of the POF-sensor to detect the binding of anti-transglutaminase antibodies to the immobilized transglutaminase was studied. The obtained results showed that the POF-sensor is able to sense the transglutaminase/anti-transglutaminase complex in the range of concentrations between 30 nM and 3000 nM. Importantly, the proposed sensing method could be easily expanded to different target compounds. (C) 2012 Elsevier B. V. All rights reserved.
引用
收藏
页码:1008 / 1014
页数:7
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