Silver nanoparticle assisted urine sugar determination using thermal lens spectroscopy

被引：5
|
作者：
Thomas, Lincy [1 ]
John, Jisha [1 ]
George, Nibu A. [2 ]
Kurian, Achamma [1 ]
机构：
[1] Catholicate Coll, Dept Phys, Pathanamthitta 689645, Kerala, India
[2] Baselius Coll, Dept Phys, Kottayam 686001, Kerala, India
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2014年 / 25卷 / 11期
关键词：
biosensors; photothermal effects; diabetes; nanotechnologies-applications; thermal lens; METAL-ENHANCED FLUORESCENCE; RHODAMINE; 6G; GOLD;
D O I：
10.1088/0957-0233/25/11/115701
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanotechnology plays a vital role in the development of biosensors by enhancing their sensitivity and performance. In this paper, we report a novel urine sugar sensing method that makes use of the unique properties of silver-nanofluids in combination with the laser induced photothermal lens technique. The thermal lens signal decreases with increase in sugar levels in urine samples, which may be attributed to the enhanced interaction of glucose and conduction electrons of silver-nanoparticles, thereby changing the surface plasmon energy.
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页数：4
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