Recent progress in optical sensors for biomedical diagnostics

M Pirzada, Z Altintas - Micromachines, 2020 - mdpi.com
In recent years, several types of optical sensors have been probed for their aptitude in
healthcare biosensing, making their applications in biomedical diagnostics a rapidly …

Plasmonic nanosensors for pharmaceutical and biomedical analysis

S Akgönüllü, A Denizli - Journal of Pharmaceutical and Biomedical Analysis, 2023 - Elsevier
The detection and identification of clinical biomarkers with related sensitivity have become a
source of considerable concern for biomedical analysis. There have been increasing efforts …

Design of encoded graphene-gold metasurface-based circular ring and square sensors for brain tumor detection and optimization using XGBoost algorithm

SK Patel, J Wekalao, N Mandela… - Diamond and Related …, 2024 - Elsevier
This study introduces a circular ring and square metasurfaces-based sensor employing
graphene and gold layers for enhanced brain tumor detection. The sensor architecture …

[HTML][HTML] Highly sensitive open channel based PCF-SPR sensor for analyte refractive index sensing

N Islam, MFH Arif, MA Yousuf, S Asaduzzaman - Results in Physics, 2023 - Elsevier
The control of light in photonic crystal fiber (PCF) is a special characteristic that is obtained
due to the relations between material and light. In this paper, a surface plasmon resonance …

Optical-based aqueous solution detection by graphene metasurface surface plasmon resonance biosensor with behavior prediction using polynomial regression

J Wekalao, SK Patel, SB Khalifa, S Chebaane… - Plasmonics, 2024 - Springer
Aqueous solutions are fundamental to a wide range of chemical and biological processes,
serving as a critical medium for both natural phenomena and technological advancements …

Design and analysis of high-sensitivity hormone sensor with KNN behavior prediction for healthcare and biomedical applications

J Wekalao, A Baz, SK Patel - Measurement, 2025 - Elsevier
This study presents an advanced sensor system integrating gold metasurfaces with
graphene for the detection of reproductive hormones via refractive index variations. The …

Numerical analysis of an advanced infrared-based metasurface surface Plasmon resonance sensor for COVID-19 detection

J Wekalao, A Baz, SK Patel - Diamond and Related Materials, 2024 - Elsevier
The SARS-CoV-2 pandemic has highlighted the critical need for rapid and precise
diagnostic methodologies. Conventional testing approaches often exhibit limitations in terms …

Design and analysis of a plasmonic metasurface-based graphene sensor for highly sensitive and label-free detection of COVID-19 biomarkers

J Wekalao, SK Patel - Plasmonics, 2024 - Springer
This research presents plasmonic metasurface-based graphene sensor for highly sensitive
and label-free detection of COVID-19 biomarkers. The proposed sensor structure integrates …

Enhanced fuel adulteration detection using surface plasmon resonance biosensor with machine learning optimization in the terahertz regime

J Wekalao, N Mandela, W Langat, C wamalwa - Plasmonics, 2024 - Springer
Fuel adulteration poses a significant challenge to fuel quality control, with far-reaching
effects on engine performance, environmental sustainability, and regulatory compliance …

Metasurface‐Enabled High‐Resolution Liquid‐Crystal Alignment for Display and Modulator Applications

J Wang, K Li, H He, W Cai, J Liu, Z Yin… - Laser & Photonics …, 2022 - Wiley Online Library
Optical metasurfaces are 2D flat elements that consist of spatially arranged meta‐atoms. By
carefully designing the metasurface, it is possible to fully control the properties of light in …