期刊
SENSORS
卷 18, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/s18030767
关键词
conductometric sensor; screen-printing; interdigital gold electrodes; molecularly imprinted polymers; polycyclic aromatic hydrocarbons
A conductometric sensor based on screen-printed interdigital gold electrodes on glass substrate coated with molecularly imprinted polyurethane layers was fabricated to detect polycyclic aromatic hydrocarbons (PAHs) in water. The results prove that screen-printed interdigital electrodes are very suitable transducers to fabricate low-cost sensor systems for measuring change in resistance of PAH-imprinted layers while exposing to different PAHs. The sensor showed good selectivity to its templated molecules and high sensitivity with a detection limit of 1.3 nmol/L e.g., for anthracene in water which is lower than WHO's permissible limit.
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