Optical biosensors: An exhaustive and comprehensive review

C Chen, J Wang - Analyst, 2020 - pubs.rsc.org
Optical biosensors have exhibited worthwhile performance in detecting biological systems
and promoting significant advances in clinical diagnostics, drug discovery, food process …

Label-free physical techniques and methodologies for proteins detection in microfluidic biosensor structures

G Konoplev, D Agafonova, L Bakhchova, N Mukhin… - Biomedicines, 2022 - mdpi.com
Proteins in biological fluids (blood, urine, cerebrospinal fluid) are important biomarkers of
various pathological conditions. Protein biomarkers detection and quantification have been …

Design rule of Mach-Zehnder interferometer sensors for ultra-high sensitivity

Y **e, M Zhang, D Dai - Sensors, 2020 - mdpi.com
A design rule for a Mach-Zehnder interferometer (MZI) sensor is presented, allowing tunable
sensitivity by appropriately choosing the MZI arm lengths according to the formula given in …

Design and bulk sensitivity analysis of a silicon nitride photonic biosensor for cancer cell detection

P Kumaar, A Sivabramanian - International Journal of Optics, 2022 - search.proquest.com
Bulk sensitivity is an important parameter to validate the efficiency of the photonic
waveguide sensor. Due to recent advancements in point-of-care silicon photonic …

Scaling the sensitivity of integrated plasmo-photonic interferometric sensors

E Chatzianagnostou, A Manolis, G Dabos… - ACS …, 2019 - ACS Publications
We present a new optical biosensing integration approach with multifunctional capabilities
using plasmonic and photonic components on the same chip and a new methodology to …

On-chip Mach-Zehnder interferometer sensor with a double-slot hybrid plasmonic waveguide for high-sensitivity hydrogen detection

G Wang, W Feng - Optics Express, 2023 - opg.optica.org
An on-chip Mach-Zehnder interferometer (MZI) hydrogen sensor, applying a double-slot
hybrid plasmonic (DSHP) waveguide composed of a Si waveguide and two Pd disks on both …

Protein conformation characterization via a silicon resonator-based optical sensor based on the combination of wavelength interrogation and dual polarization …

C Chen, K Wang, X Hou - Optics Express, 2022 - opg.optica.org
Protein conformational abnormality causes cell malfunction. Conformational change of
amyloid protein causes neuron malfunction, which renders “protein conformational disease” …

Plasmonic Mode Interference effect Based Sensors

N Ahlawat, A Pandey, SM Tripathi - IEEE Photonics Journal, 2024 - ieeexplore.ieee.org
We propose and theoretically analyze a novel sensor based on plasmonic mode
interference in a one-dimensional degenerate n-doped silicon core waveguide. The …

Wavefront splitting fiber Mach–Zehnder interferometer modulated by the white light Fraunhofer diffraction

R Ma, Y Li, H Cao, X Li, Y Pan, Z Man… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
Stability, robustness, sensitivity, and reproducibility are important parameters in the
interferometry. We propose a wavefront splitting fiber Mach-Zehnder interferometer (MZI) to …

Design of a multi-analyte resonant photonic platform for label-free biosensing

C Chen, X Hou, J Si - Nanotechnology, 2019 - iopscience.iop.org
We have designed a multi-analyte biosensing platform based on a hybrid whispering gallery
mode resonator to detect protein biomarkers, eg those allowing the early diagnosis of …