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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Direct detection of dopamine using zinc oxide nanowire-based surface plasmon resonance sensor
Optical Materials, Volume 147, Article 114555, Year 2024
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Description
This study uses an angle interrogation approach to propose an SF11 Prism- Ag– ZnO nanowires-CeO2-Sensing layer-based surface plasmon resonance sensor. The proposed multilayer structure has been used for the concentration measurement of dopamine in human blood. The thicknesses of the ZnO nanowire (ZnO-NW) and cerium oxide (CeO2) layer have been taken as 50 nm and 0.5 nm, respectively, and the thickness of the metal layer is 50 nm considered. The characteristics and parameters are also measured for the proposed sensor. The sensitivity, full width at half maximum (FWHM), detection accuracy (DA), and quality factor (QF) are obtained as 95 deg/RIU, 14.34 deg, 0.06578 deg−1, and 6.24 RIU−1, respectively. Numerous neurological illnesses are brought on by abnormalities of dopamine (D. A.), a crucial neurotransmitter in the brain's neural circuits. Quick and sensitive sensors for D. A. detection are needed to diagnose these illnesses early. The significance of this sensor in the biomedical field. © 2023 Elsevier B.V.
Authors & Co-Authors
Karki, Bhishma
Nepal, Kathmandu
Tribhuvan University
Nepal, Kathmandu
Nepal Agriculture Research Council
Trabelsi, Youssef
Saudi Arabia, Abha
King Khalid University
Pal, Amrindra
India, Dehradun
Dit University
Nepal, Kathmandu
Nepal Public Health Foundation
Taya, Sofyan A.
Palestine, Gaza
Islamic University of Gaza
Statistics
Citations: 5
Authors: 4
Affiliations: 7
Identifiers
Doi:
10.1016/j.optmat.2023.114555
ISSN:
09253467