Overview of optical biosensors for early cancer detection: fundamentals, applications and future perspectives

MY Azab, MFO Hameed, SSA Obayya - Biology, 2023 - mdpi.com
Simple Summary Due to the increase in cancer incidence worldwide, a necessity for early
cancer detection arises. Since the conventional detection and treatment techniques are …

A high Q-factor dual-band terahertz metamaterial absorber and its sensing characteristics

D Wang, KD Xu, S Luo, Y Cui, L Zhang, J Cui - Nanoscale, 2023 - pubs.rsc.org
In this paper, a dual-band metamaterial absorber in the terahertz frequencies is proposed
and its refractive index sensing characteristics is analyzed. The metamaterial structure is …

[HTML][HTML] Terahertz metamaterials for spectrum modulation: structural design, materials and applications

L Tan, D Wang, KD Xu - Materials & Design, 2024 - Elsevier
Metamaterials, an artificial electromagnetic (EM) material, have exhibited unique
characteristics, enabling innovations in terahertz (THz) wavefront sha**, polarization …

Nested graphene disks patterned THz wave absorber: bio sensing vision

B Rashidi, AAM Khani, I Rezaei, A Soldoozy, T Aghaee - Optical Materials, 2024 - Elsevier
A three-layer adjustable THz wave absorber is introduced in this paper. The structure's
geometry is heavily based on a combination of periodic graphene disks and their …

Development of a Terahertz Metamaterial Micro-Biosensor for Ultrasensitive Multispectral Detection of Early-Stage Cervical Cancer

MN Hamza, MT Islam, S Lavadiya, I ud Din… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This research introduces an innovative design for a metamaterial (MTM)-based compact
multiband biosensor aimed at early stage cervical cancer detection. The device operates …

A new design of a terahertz metamaterial absorber for gas sensing applications

S Banerjee, P Dutta, S Basu, SK Mishra, B Appasani… - Symmetry, 2022 - mdpi.com
Metamaterial absorbers are used in the terahertz frequency regime as photo-detectors, as
sensing elements, in imaging applications, etc. Narrowband absorbers, on account of their …

Highly sensitive triple-band THz metamaterial biosensor for cancer cell detection

AR Elhelw, MSS Ibrahim, ANZ Rashed… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
Highly sensitive triple-band metamaterial-based biosensor for different cancer cells
detection is suggested and numerically analyzed. The reported sensor has a polyimide …

High-performance terahertz refractive index sensor for cancer cells detection

S Anwar, M Khan - The European Physical Journal E, 2023 - Springer
Metamaterial absorbers in the terahertz region are highly desirable in sensing and
detection. In this work, a novel terahertz refractive index sensor based on metamaterial …

Highly sensitive refractive index sensing with a dual-band optically transparent ITO-based perfect metamaterial absorber for biomedical applications

SJ Mishu, MA Rahman, N Dhar - Heliyon, 2024 - cell.com
In this paper, a dual-band optically transparent square-shaped perfect metamaterial
absorber operating in the frequency range from 2 to 4 terahertz (THz) is proposed. The …

Ultra-wideband terahertz thermal absorber with doped silicon double-layer square groove arrays

Y Xu, B Wang - International Journal of Thermal Sciences, 2024 - Elsevier
This paper introduces an ultra-wideband terahertz thermal absorber, composed of double-
layer square groove doped silicon cubes, exhibiting polarization independence. Within the …