منابع مشابه
A potentiometric disposable sensor strip for measuring pH in saliva
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 solidcontact 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 reproducib...
متن کاملOptical pH Sensor Based on Quinizarin for Alkaline pH Regions
The development of an optical pH sensor based on immobilization of quinizarin (1,4-dihydroxyanthraquinone) on a triacetylcellulose membrane was described. The resulting membrane exhibited fast color change from yellow to violet, while changing the pH in alkaline region. The immobilized quinizarin showed a broader dynamic range from (pH 9.4-11.4) with respect to free form (pH 8.8-10.4). The sens...
متن کاملPotentiometric Based Membrane Sensor for Zinc Ion
A PVC-based membrane of 12-crown-4 exhibits good response for Zn2+ in a wide concentration range (7.08 10-5-1.00 10-1 M) with a non-nernstian slope of 20.5 mv per decade of concentration of Zn2+. The response time of sensor is <10 s and the membrane can be used for more than 3 months without observing any divergence. In addition, the proposed sensor exhibits very good selectivity for Zn2+ o...
متن کامل5.4: A Textile Based Capacitive Pressure Sensor
INTRODUCTION The sense of touch plays an important role in everyday life. It provides the body with early contact to surrounding objects. By touching an object, we can tell if it is sharp or smooth; by holding it, we can estimate its weight. Skin is the most extended sensor of the entire human body. The haptic interface gives the first feedback to object manipulation; without sensing the pressu...
متن کاملA Textile Based Capacitive Pressure Sensor
Background. As interest on wearable computing [1] increases, researchers are looking for new materials to use as a support for electronics. A fabric substrate is very appealing: it is elastic and extensible [2], supported by a well known technology and produced at low-cost. State of the art. Some smart pressure-sensors interfacing with a flexible substrate have been developed, but they are eith...
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ژورنال
عنوان ژورنال: Sensors and Actuators B: Chemical
سال: 2018
ISSN: 0925-4005
DOI: 10.1016/j.snb.2018.01.002