Copper-graphene SPR-based biosensor for urea detection

Said, Fairus Atida; Menon, P. Susthitha; Nawi, Mohd Nuriman; Zain, Ahmad Rifqi Md; Jalar, Azman; Majlis, Burhanuddin Yeop

doi:10.1109/smelec.2016.7573642

Cited by 22 publications

(5 citation statements)

References 5 publications

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“…Moreover, Rmin increases after the graphene layer was added due to the quality factor, and a significant factor enhances the detection accuracy of the proposed K-SPR sensor in Eq. 3and (4). One layer of graphene shows the lowest Rmin value of 0.0103 and 0.0128 at 670 nm and 785 nm, respectively [16].…”

Section: A Numerical Analysismentioning

confidence: 96%

Multilayer CVD-Graphene and MoS₂ Ethanol Sensing and Characterization Using Kretschmann-Based SPR

Menon

Jamil

Mei

et al. 2020

IEEE J. Electron Devices Soc.

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The Kretschmann-based surface plasmon resonance (K-SPR) sensor was developed using multilayer graphene and molybdenum disulphide (MoS2) structures on a plasmonic gold (Au) layer for ethanol detection. In this configuration, the SPR spectra of minimum reflectance versus SPR angle was used to determine the sensitivity, detection accuracy and quality factor as the main figure of merit (FOM). Both graphene and MoS2 were used as hybrid detection layers to enhance the ethanol sensing performance using Finite Difference Time Domain (FDTD). The multilayer graphene/Au and MoS2/Au sensors gave a maximum sensitivity of 192.03/RIU and 153.25/RIU respectively at 785 nm optical wavelength. In terms of material characterization using the K-SPR technique, chemical vapor deposition (CVD)-grown graphene on Au, had a thickness of 1.17 nm with real and imaginary refractive indices of 2.85, 0.74, and 3.1, 1.19, respectively, at optical wavelengths of 670 nm and 785 nm.

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Section: A Numerical Analysismentioning

confidence: 96%

Multilayer CVD-Graphene and MoS₂ Ethanol Sensing and Characterization Using Kretschmann-Based SPR

Menon

Jamil

Mei

et al. 2020

IEEE J. Electron Devices Soc.

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“…6, enhanced sensitivities were obtained for bothenzymatic urea-urease sample (16.2°/M at 670 nm and 10.4°/M at 785 nm) and creatinine-creatininase sample (10°/M at 670 nm compared to 6°/M at 785 nm). In another work, Said et al [154] used graphene-coated copper-based SPR sensor in Kretschmann configuration for urea-detection. Notably, the primary role of graphene in this work was to act as the preventive layer for Cu oxidation and enhance SPR reflectance intensity.…”

Section: Analysis Of Lipid/protein Moleculesmentioning

confidence: 99%

Surface Plasmon Resonance Biosensors Based on Kretschmann Configuration: Basic Instrumentation and Applications

Shukla

Chetri²,

Boruah

et al. 2022

Lecture Notes in Nanoscale Science and Technology

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Surface Plasmon Resonance (SPR) offers a powerful tool for label-free and non-invasive characterization of biomolecular interactions. To date, several experimental configurations, based on two fundamental physical phenomena, e.g., attenuated total reflection and diffraction, have been developed to measure the SPR signal generated due to the resonant interactions between incident light and plasma waves on the metal surface. These configurations are divided into three categories: grating-based, prism-based, and waveguide-based coupling. Among such techniques, one of the prism-based SPR coupling schemes, popularly known as Kretschmann configuration, is most widely used due to its high sensitivity, operational simplicity, lower cost, and real-time detection. This chapter explains the basic instrumentation and reviews the recent trends in the development of Kretschmann configuration-based SPR biosensors with its applications.

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“…Other advantage of cu is that the thin cu films do not bind irreversibly to bovine serum albumin or other proteins [21]. Fairus Atida Said et.al., reported that copper-graphene SPR based sensor is suitable for detecting urea with refractive index of 1.49 in dielectric medium [22]. Rozalina Zakaria characterized the thin layer of Ag, Cu and Ag-Cu bimetallic layer for fiber based SPR sensor and reported that Cu in the most sensitive in detecting alcohol when compared to the other metallic layer [23].…”

Section: Introductionmentioning

confidence: 99%

Novel hybrid Structured (Cu-BaTiO3 -BP-Graphene) SPR Biosensor for Enhanced Performance

Maheswari¹,

Veeran²,

Balasundaram³

et al. 2022

Preprint

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A Surface Plasmon Resonance (SPR) based biosensor utilizing copper and BaTiO3 with addition layer coating of graphene and Black Phosphorous(BP) structures in kretschmann configuration for the detection of biomolecules event is analysed and optimized numerically using transfer matrix method. The strategy consist of placing the sensing medium on the top of BP-graphene which enhance the sensitivity and reduced the FWHM. The proposed sensor exhibits a maximum sensitivity around 372deg/RIU, FWHM of reflectance spectrum as low as 3.05deg, high detection accuracy(0.327/deg) and quality factor(121.96/RIU). such an enhanced performance would make the design to have more application in the field of biosensor.

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Copper-graphene SPR-based biosensor for urea detection

Cited by 22 publications

References 5 publications

Multilayer CVD-Graphene and MoS₂ Ethanol Sensing and Characterization Using Kretschmann-Based SPR

Multilayer CVD-Graphene and MoS₂ Ethanol Sensing and Characterization Using Kretschmann-Based SPR

Surface Plasmon Resonance Biosensors Based on Kretschmann Configuration: Basic Instrumentation and Applications

Novel hybrid Structured (Cu-BaTiO3 -BP-Graphene) SPR Biosensor for Enhanced Performance

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