Rapid ultra-sensitive nucleic acid detection using plasmonic fiber-optic spectral combs and gold nanoparticle-tagged targets

C Shen, Z Huang, X Chen, Z Wang, J Zhou… - Biosensors and …, 2023 - Elsevier
Nucleic acid (NA) is a widely-used biomarker for viruses. Accurate quantification of NA can
provide a reliable basis for point-of-care diagnosis and treatment. Here, we propose a tilted …

Reusable aptamer sensors based on long period fiber gratings for detecting Bisphenol A at ultralow concentrations

C Huang, F Kou, T Tu, K Peng, S Li, M Guo… - Optics & Laser …, 2023 - Elsevier
Bisphenol A migrated from plastic products can function as an endocrine-disrupting
compound, leading to serious diseases. The construction of rapid, cost-effective, and user …

[HTML][HTML] Advancements in optical biosensing techniques: From fundamentals to future prospects

B Kaur, S Kumar, J Nedoma, R Martinek, C Marques - APL Photonics, 2024 - pubs.aip.org
Optical biosensors that consist of a light source, optical elements, and a photodetector are
used to detect chemical and biological species and pollutants. This Tutorial discusses the …

Ultra-sensitive DNA detection with single-base mismatch resolution using a tapered thin-diameter photonic crystal fiber interferometer

H Wan, X Chen, S Zhang, J Xiong, W Jiang, H Liu… - Optics …, 2024 - opg.optica.org
A tapered thin-diameter photonic crystal fiber interferometer (TTD-PCFI) biosensor is
proposed and demonstrated for DNA hybridization detection with an ultra-low limit of …

A temperature insensitive strain sensor based on SMF-FMF-NCF-FMF-SMF with core-offset fusion

M Chen, G Xu, X Su, T Zhou, Y Liang, T Gong - Applied Physics B, 2024 - Springer
This paper presents a temperature-insensitive optical fiber strain sensor composed of single-
mode fiber (SMF), no core fiber (NCF), and few-mode fiber (FMF). The NCF is fused to two …

All-fiber modulator derived from the large-transverse-offset Mach-Zehnder interferometer coated with ITO

X Chang, H Ma, A Li, M Luo, D Gao, N Copner… - Optical Fiber …, 2023 - Elsevier
In this paper, we first propose a fiber electrothermal modulator derived from the large-
transverse-offset Mach-Zehnder interferometer (MZI) coated with transparent and conductive …