Gold Nano-Urchins Enhanced Surface Plasmon Resonance (SPR) BIOSENSORS for the Detection of Estrogen Receptor Alpha (ERα)

Breast cancer is the deadliest form of cancer in women, but it also has very high survival rates when treated early. Existing breast cancer detection methods such as mammography are ineffective in the early detection of breast cancer due to the low uptake among women and the need for regular screeni...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2021-09, Vol.27 (5), p.1-6
Main Authors: Pae, Jian Yi, Nair, Radhika V., Padmanabhan, Parasuraman, Radhakrishnan, Gayathri, Gulyas, Balazs, Vadakke Matham, Murukeshan
Format: Article
Language:English
Subjects:
Biological system modeling
biomedical applications
Bionanotechnology
Biosensors
Breast cancer
Electric fields
Estrogens
Gold
Mammography
Medical screening
Nanoparticles
plasmons
Receptors
Surface plasmon resonance
Surface plasmons
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Summary:Breast cancer is the deadliest form of cancer in women, but it also has very high survival rates when treated early. Existing breast cancer detection methods such as mammography are ineffective in the early detection of breast cancer due to the low uptake among women and the need for regular screening. Therefore, biosensors have been proposed as an alternative method for cost-effective breast cancer screening which may encourage more women to go for screening more regularly. In this paper, a gold nano-urchins enhanced plasmonic sensor is demonstrated for the detection of a typical breast cancer marker, estrogen receptor alpha (ERα). The localized field confinement effect due to the sharp features of the nano-urchins amplifies the biosensing signal and improves its sensitivity as compared to a conventional surface plasmon resonance (SPR) biosensor.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2021.3069453