Highly sensitive label-free biosensor: graphene/CaF2 multilayer for gas, cancer, virus, and diabetes detection with enhanced quality factor and figure of merit

B Jafari, E Gholizadeh, B Jafari, M Zhoulideh… - Scientific Reports, 2023 - nature.com
One of the primary goals for the researchers is to create a high-quality sensor with a simple
structure because of the urgent requirement to identify biomolecules at low concentrations to …

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 …

Highly sensitive biosensor based on metamaterial absorber with an all-metal structure

X Huang, W Ye, J Ran, Z Zhou, R Li… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
In this article, an all-metal metamaterial absorber as a sensitive biosensor is proposed in the
terahertz regime for biomolecular detection, such as protein, bacillus bacteria, and cancer …

An ultra-thin substrate-based conformal meta-absorber for EMI shielding and RCS minimization in c and x band

N Rani, AK Bohre, A Bhattacharya - Plasmonics, 2023 - Springer
This paper proposes an extremely thin, conformal ultra-wideband polarization-independent
metasurface absorber. The proposed unit cell is backed with copper on an FR4 substrate. To …

Design and analysis of optical biosensor for high-sensitivity detection of malaria-infected red blood cells

T Kamani, A Baz, SK Patel - Plasmonics, 2024 - Springer
Malaria and other diseases transmitted by insects pose a significant threat to the well-being
of people, particularly in heavily inhabited tropical countries with limited development …

The Comprehensive Roadmap Toward Malaria Elimination Using Graphene and its Promising 2D Analogs

F He, G Junior, R Konar, Y Huang… - Advanced …, 2024 - Wiley Online Library
Malaria is a major public health concern with over 200 million new cases annually, resulting
in significant financial costs. Preventive measures and diagnostic remedies are crucial in …

Tunable Graphene‐Based Absorber Using Nanoscale Grooved Metal Film at Telecommunication Wavelengths

A Afzalipour, MS Zare, A Attariabad… - Advanced Photonics …, 2024 - Wiley Online Library
Graphene‐based absorbers have various modern applications across industries due to their
exceptional properties. Some common applications include: thermal management and …

Design and performance of a dual-band plasmonic perfect absorber for infrared refractive index sensing

T Zahra, MA Mohemine, AA Syed, F Liu, W Ali… - Applied Optics, 2024 - opg.optica.org
<? TeX 2pc 0pt?> In this study, we introduce what we believe is an innovative design for a
plasmonic perfect absorber (PPA) that is based on half-cut disk resonator metamaterials …

Five-segment THz refractive index metamaterial biosensor with perfect absorption for carcinoembryonic antigen measurement

H Bahador - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Carcinoembryonic antigen (CEA) is an essential biomarker used to diagnose and track
various types of cancers, including colorectal, gastric, breast, and lung cancer. However, the …

Design of Tunable Perfect Absorbers in the Mid-IR Spectrum Using Graphene-Based Multilayer Structures: Emerging Applications in Atmospheric Window Matching

M Nazari, YM Banad, SS Sharif - arXiv preprint arXiv:2404.18425, 2024 - arxiv.org
This paper introduces tunable and switchable Perfect Absorbers (PAs) operating within the
mid-infrared spectrum, specifically targeting the 3 to 5 um range at 0.25 um intervals. This …