A surface plasmon resonance gas sensor in a 'compact disc' format

被引：29
|
作者：
Challener, WA [1 ]
Ollmann, RR [1 ]
Kam, KK [1 ]
机构：
[1] Imation, Disc 1A 03, Oakdale, MN 55128 USA
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1999年 / 56卷 / 03期
关键词：
ammonia; gas sensor; surface plasmon resonance; compact disc;
D O I：
10.1016/S0925-4005(99)00194-X
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A surface plasmon resonance sensor has been designed using a rotating optical disk coated with a silver film and a transparent dielectric film with a thickness gradient. A pH indicator, bromocresol purple, was used as a receptor on the surface to demonstrate the technique by detecting ammonia, Ammonia concentrations in the few ppb range could be detected with relatively simple and inexpensive electronics. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：254 / 258
页数：5
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