Performance Analysis of Tin Disulfide and Blue Phosphorus/TDMC Heterostructure-Based SPR Sensor for Escherichia coli Detection: A Numerical Study

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Language: Английский

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Highly sensitive ZnO/Ag/BaTiO₃/MoS₂ hybrid structure-based surface plasmon biosensor for the detection of mycobacterium tuberculosis bacteria

Optics Continuum, Journal Year: 2024, Volume and Issue: 3(3), P. 495 - 495

Published: Feb. 29, 2024

This study presents a novel biosensor utilizing surface plasmon resonance (SPR) technology, comprising og zinc oxide (ZnO), silver (Ag), barium titanate (BaTiO 3 ), and molybdenum disulfide (MoS 2 ). The detection of mycobacterium tuberculosis bacteria was accomplished through the utilization hybrid structure. transfer matrix method (TMM) finite element are employed to analyze suggested A comparative analysis has been conducted evaluate angular sensitivity between normal blood samples (NBS) cells affected by (TB). optimization performance structure involves adjusting thickness ZnO, Ag BaTiO layer. accurate measurement full width at half maximum (FWHM), accuracy (DA), quality factor figure merits (FOM) also conducted. optimal determined be 10 nm for 40 Ag, 1.5 , one layer MoS with 525 deg./RIU. Additionally, this compared effects on two dimensional materials graphene, WS . In contrast currently available (SPR), exhibits higher sensitivity. Due its improved sensitivity, under consideration potential detecting wide range biological analytes organic compounds.

Language: Английский

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Innovative TiO$$_2$$/Ag/TiO$$_2$$ Sandwiched SPR Sensor with WSe$$_2$$ Layer for Efficient Dengue Virus Detection via TMM and FEM

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Language: Английский

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Design and Analysis of PtSe₂ and Blue Phosphorus/MoS₂ Heterostructure-Based SPR Biosensor

ACS Applied Optical Materials, Journal Year: 2024, Volume and Issue: 2(6), P. 1046 - 1059

Published: June 7, 2024

Biosensors using surface plasmon resonance (SPR) have emerged as effective tools for accurate and instantaneous sensing applications. Nevertheless, optimizing sensor configurations continues to be of utmost importance attain dependable capabilities. This work presents an intriguing design structure that integrates conventional SPR technology with PtSe2 blue phosphorus–MoS2 heterostructure, resulting in improved adaptable technology. The finite-difference time-domain (FDTD) method was used model the prospective sensor. proposed has notable attributes, such extraordinarily narrow full width at half-maximum (FWHM) 8.23°, small detection accuracy 0.1215, extraordinary sensitivity 240.54°/RIU, outstanding quality factor 29.23 RIU–1. Significantly, this a is 3.2 times higher than traditional gold-based sensors. In addition, provides broad observable range refractive indices, ranging from 1.33 1.36. spectrum system allows identification diverse ambient chemicals, alcohol, ethanol, water, well biomolecules, including urine, glucose, DNA hybridization. These results represent significant stride forward biosensors, allowing creation high-performance systems wide potential uses.

Language: Английский

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Feasibility of Halide Perovskite Material–Based Hybrid Surface Plasmon Resonance Biosensor for Formalin Detection: A Numerical Investigation

Plasmonics, Journal Year: 2024, Volume and Issue: unknown

Published: July 2, 2024

Language: Английский

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Nanosensors Based on Bimetallic Plasmonic Layer and Black Phosphorus: Application to Urine Glucose Detection

Sensors, Journal Year: 2024, Volume and Issue: 24(15), P. 5058 - 5058

Published: Aug. 5, 2024

This paper presents a new biosensor design based on the Kretschmann configuration, for detection of analytes at different refractive indices. Our studied consists TiO

Language: Английский

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Design of a highly sensitive and precise long-range surface plasmon resonance sensor for early detection of malaria

Physica B Condensed Matter, Journal Year: 2024, Volume and Issue: 686, P. 416072 - 416072

Published: May 7, 2024

Language: Английский

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Surface plasmon resonance sensors: Temperature effects

Optical Materials, Journal Year: 2024, Volume and Issue: 155, P. 115865 - 115865

Published: July 25, 2024

Language: Английский

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Sensitivity Enhancement Using Surface Plasmon Resonance Sensor for Colorectal Detection by Employing Heterostructure

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

Language: Английский

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Coupled Resonance Fiber-Optic SPR Sensor Based on TRIZ

Photonics, Journal Year: 2025, Volume and Issue: 12(3), P. 244 - 244

Published: March 9, 2025

This paper aims to enhance the sensitivity of fiber-optic surface plasmon resonance (SPR) sensors by innovatively applying TRIZ (Theory Inventive Problem Solving). To identify key challenges faced current SPR sensors, methods such as functional analysis, causal and Nine-Window method are employed. Utilizing tools, including Technical Contradiction, Physical Smart Little Man method, object–field innovative solutions proposed, involving transparent indium tin oxide (ITO) thin films, an asymmetric photonic crystal fiber structure with elliptical pores, titanium dioxide (TiO2) films. Experimental results reveal a significant improvement in sensitivity, average 9961.90 nm/RIU peak 12,503.56 within refractive index range 1.33061 1.40008, representing 456% increase compared original gold-film sensor. These findings have potential applications biosensing, environmental monitoring, food safety.

Language: Английский

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