Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber

Cennamo, Nunzio; Massarotti, Davide; Gălătuș, Ramona; Conte, Laura; Zeni, Luigi

doi:10.3390/s130100721

Cited by 100 publications

(57 citation statements)

References 13 publications

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“…According to the classical theory, the real part of the plasmon refractive index strongly depends on the value of the refractive index of the analyte, and the wavelength of phase matching between the core mode of the fiber and the plasmon mode will also be sensitive to the change in the refractive index of the analyte [25]. For the sensor, sensitivity is one of the most important parameters, which means the variation in the ratio of the SPR resonance parameters (wavelength, amplitude, etc.)…”

Section: Resultsmentioning

confidence: 99%

High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film

Qin

et al. 2014

Plasmonics

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We propose and investigate a D-shaped photonic fiber refractive index sensor with rectangular lattice based on surface plasmon resonance. In such sensor, the nanoscale gold metal film is deposited on the flat surface where it is side polished. Numerical results show that the average sensitivity of Au-metalized surface plasmon resonance (SPR) sensor could reach as high as 8,129 nm/refractive index unit (RIU) in the dynamic index range from 1.35 to 1.41 as well as 2,000 nm/RIU from 1.33 to 1.35. Compared to conventional Au-metalized SPR sensors, the performance of our device is obviously better, and the production process is greatly simplified.

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Section: Resultsmentioning

confidence: 99%

High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film

Qin

et al. 2014

Plasmonics

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“…Titanium dioxide NPs (TiO 2 NPs) have been used in a broad range of research fields, such as pigments (Im et al, 2005), optics (Haynes and Van Duyne, 2001;Chen X et al, 2008;Dou et al, 2012), sensors (Bhatia et al, 2013;Cennamo et al, 2013;Chung et al, 2013), and cosmetics (Im et al, 2005). Recently, as a significant photoactive ingredient, they have been employed to improve solar cells (Nel et al, 2009;Chen et al, 2012;Banerjee et al, 2015) and photocatalytic reactions (Sun et al, 2006;Manera et al, 2012;Xiao, 2012).…”

Section: Titanium Dioxidementioning

confidence: 99%

Hybrid nanomaterial: biocolloidals

Gözübenli¹,

Yasun²,

Dilsiz³

2017

Turk J Biol

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Nanomaterials-based diagnostics have tremendous advantages over other conventional diagnostic systems in terms of sensitivity, specificity, and portability owing to the unique intrinsic properties of nanomaterials. Thus, there is a substantial need to develop and employ a broad spectrum of nanomaterials for biological and diagnostic applications. In this review, we focus on nanomaterials-assisted disease diagnosis utilizing different techniques such as photoluminescence, colorimetry, fluorescence, electrochemistry, microarray methods, surface plasmon resonance, and surface-enhanced Raman spectroscopy. In these techniques, different nanomaterials, including but not limited to gold and silver materials, metal oxides, and semiconductors, were employed according to their all-purpose chemical and physical properties. As the new properties of nanomaterials are discovered, their contributions to nanobiotechnology applications are vastly increased. In this review, the features of the selected nanobiomaterials, biological tag-modified nanomaterials, and their outstanding applications for the detection of specific biotargets have been summarized according to the latest studies. Nanomaterials contribute to the fields of photo/chemotherapy and biomedical imaging in particular, since all the biological events happen within this size range and beneficiary roles of nanoparticles (NPs) are countless in biomedical applications due to their unique physical and chemical properties. However, due to the necessity of specificity and selectivity, there is a clear ambition to study bioconjugation of NPs to increase the efficiency of the targeted biological applications. Thus, the combination of the specificity and the intrinsic properties of biohybrid NPs facilitate diagnostic and therapeutic applications.

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“…To demonstrate the practicability of the proposed method, a laboratory SPR biosensor [1] developed at the Department of Information Engineering, Second University of Naples, Italy was used in this study to compare the theoretical and experimental results. For optical fiber a model no.…”

Section: Advanced Engineering Forum Vols 8-9mentioning

confidence: 99%

“…It is further an object of the invention to provide a solution for a SPR-based device that is easy to manufacture, cost-effective and simple to use for the laboratory specialists. A low-cost plastic optical fiber (POF) solution was considered [1] instead of classically most widely used Kretschmann prism-coupling geometry. The POF fiberbased SPR has many advantages over prism-based model such as flexible optical design because of the easy modeled plastic materials, development of remote sensing setup, it may reduce the cost and dimensions of the device and there exists the possibility of integration with optoelectronic devices (eventually leading to "lab on a chip"), to be used in continuous analysis in real-time (not just one sample at a time) and in situ monitoring.…”

Section: Introductionmentioning

confidence: 99%

Optimal Design of D-Type Plastic Fibers for Best Sensitivity of SPR Sensors

Gălătuș

Cennamo

Voiculescu

2013

AEF

Self Cite

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Abstract.A design method for a SPR (surface plasmon resonance) sensor based on a D-type plastic optical fiber (POF) geometry in a configuration of a multi-layered scheme is proposed in this paper. The numerical simulation for the optimal sensitivity with spectral interogation was performed in order to choose the practical implementation geometry of the SPR sensor. A side-polish to the half of the fiber's PMMA core, with about 10mm in length is made and a Microposit 1813 buffer and gold layer deposition is used for sample fabrication. The effect of different thickness of the layers in different multi-layered configuration has been investigated. The proposed setup for sensor test, measures the light intensity instead of phase difference. It can be used for refractive index changes (1.33-1.40) in real time detection of the substances for different biosensing applications. The proposed sensor is simple to use, has small size, it works on small analyt-sample size and it is cost effective for specific non-invasive application users.

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Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber

Cited by 100 publications

References 13 publications

High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film

High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film

Hybrid nanomaterial: biocolloidals

Optimal Design of D-Type Plastic Fibers for Best Sensitivity of SPR Sensors

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