Dendrimeric nano-glue material for localized surface plasmon resonance-based fiber-optic sensors

被引：7
|
作者：
Satija, Jitendra [1 ]
Mukherji, Soumyo [1 ,2 ,3 ]
机构：
[1] Indian Inst Technol, Dept Biosci & Bioengn, WRCBB, Bombay 400076, Maharashtra, India
[2] Indian Inst Technol, Ctr Excellence Nanoelect, Bombay 400076, Maharashtra, India
[3] Indian Inst Technol, Ctr Res Nanotechnol & Sci, Bombay 400076, Maharashtra, India
来源：
APPLIED NANOSCIENCE | 2012年 / 2卷 / 03期
关键词：
Dendrimer; Fiber-optic sensor; Gold nanoparticles; Refractive index sensor; Localized surface plasmon resonance;
D O I：
10.1007/s13204-012-0107-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, we have investigated dendrimeric architecture as "nano-glue'' material for RI-sensitive fiber-optic sensors. Dendrimers are immobilized on fiber-optic probes using a simple method that includes dipping, rinsing and drying of probes at room temperature. Dendrimer binding was confirmed by contact angle measurement and fluorescein isothiocyanate binding studies. These functionalized probes were coated with gold nanoparticles to develop localized surface plasmon resonance-based refractive index sensor. RI sensitivity measurement revealed that the dendrimeric matrix enhanced the RI sensitivity by 1.4-fold compared to two-dimensional amino-silanized sensor matrices. This suggests that dendrimer molecules are better choice as "nano-glue'' material for fiber-optic sensors.
引用
收藏
页码：293 / 297
页数：5
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