A potentiometric disposable sensor strip for measuring pH in saliva

被引:51
|
作者
Zuliani, Claudio [1 ]
Matzeu, Giusy [1 ]
Diamond, Dermot [1 ]
机构
[1] Dublin City Univ, Ctr Sensor Web Technol, Dublin 9, Ireland
基金
爱尔兰科学基金会;
关键词
pH sensor; reference electrode; ionic liquid; saliva; screen printing; ION-SELECTIVE ELECTRODES; GASTROESOPHAGEAL-REFLUX; SOLID-CONTACT; MEMBRANE; IONOPHORE;
D O I
10.1016/j.electacta.2014.03.140
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
In this paper, the preparation of a potentiometric strip for pH monitoring in saliva samples is reported. The potentiometric strip consists of a solid contact pH-selective and of a solid-contact ionogel reference electrode prepared on a dual screen printed substrate. The screen printing protocols, i.e., type of inks and number of deposits, were adjusted to relatively improve the batch reproducibility and the stability of the pH sensor. The pH of real saliva samples was monitored using the optimised potentiometric strip, and results were validated through parallel measurements with a standard laboratory method. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:292 / 296
页数:5
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