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Title: Waste derived biomaterials used in development of new sensors
Authors: Priscillia Winona
Keywords: Engineering::Environmental engineering
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Priscillia Winona (2021). Waste derived biomaterials used in development of new sensors. Final Year Project (FYP), Nanyang Technological University, Singapore.
Project: EN-54
Abstract: ISEs (Ion-selective electrodes) were found to be effective sensors for the detection of a variety of inorganic and organic cations and anions. These electrodes are simple, inexpensive, and easy to use. However, challenges associated with robust, reliable, and stable potential sensor development are still an ongoing research effort. This study is focused on addressing potential stability and sensor resistance to water formation at the solid-contact | membrane interface by introduction of chitosan in the design of the ion-selective electrode. Conducting polymer (poly(3,4-ethlyenedioxythiophene)) was selected as a model compound for solid contact material in ISEs. Water layer tests and electrochemical impedance spectroscopy were used to evaluate the potential stability of different types of ISEs.
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)

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