QCM sensor sensitivity analysis of silver electrodes coated with lipid membrane oleyl alcohol toward NaCL and HCL

Ummah, Auliya Rahmatul and Tazi, Imam and Muthmainnah, Muthmainnah (2019) QCM sensor sensitivity analysis of silver electrodes coated with lipid membrane oleyl alcohol toward NaCL and HCL. Jurnal Neutrino, 11 (2). ISSN 2460-5999

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Abstract

One of the sensors, which is currently being developed is the QCM sensor. The QCM sensor is a sensor that utilizes the frequency change to detect a change in mass due to a test substance. The use of a QCM sensor includes other forms of electronic tongue sensor that can distinguish five basic flavours on the tongue. QCM sensor can also be varied electrodes using various lipid membranes such as electronic tongues to increase sensor sensitivity. This research aims to determine the sensitivity of the QCM sensor before and after coated with lipid membrane to NaCl and HCl. The sensitivity of the QCM sensor to NaCl is 1.47 Hz/M for uncoated sensor and 0.63 Hz/M for coated sensor, while the sensitivity of HCl is 4.55 Hz/M for uncoated sensor and 4.93 Hz/M for coated sensor. The difference of the results is caused by the nature of ionization of the compound and the amount of concentration used. The result of the sensitivity research shows that the QCM sensor with Oleyl Alcohol lipid membrane is more sensitive to HCl than NaCl

Item Type: Journal Article
Subjects: 02 PHYSICAL SCIENCES > 0299 Other Physical Sciences > 029904 Synchrotrons; Accelerators; Instruments and Techniques
Divisions: Faculty of Mathematics and Sciences > Department of Physics
Depositing User: Imam Tazi
Date Deposited: 09 Jun 2020 22:11

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