PH SENSORS USING FLUORESCENCE DECAY TIME

被引：55
作者：
DRAXLER, S
LIPPITSCH, ME
机构：
[1] Karl-Franzens-Universität Graz, Institut für Experimentalphysik, A-8010 Graz
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1995年 / 29卷 / 1-3期
关键词：
PH SENSORS; DECAY TIME; FLUORESCENCE;
D O I：
10.1016/0925-4005(95)01683-X
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Optical pH sensors based on different fluorescence decay times of acid and base forms of suitable indicators have been developed. The indicator is incorporated in a hydrogel matrix providing the aqueous environment necessary for the acid-base reactions. Dramatic improvement of long-term stability and reproducibility compared to conventional intensity-based sensors is obtained.
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页码：199 / 203
页数：5
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