SPR biosensors: historical perspectives and current challenges

P Singh - Sensors and actuators B: Chemical, 2016 - Elsevier
SPR is a real-time, label-free measurement of binding kinetics and affinity. Success of SPR
biosensor is evident by the growing number of commercially available instruments. In the …

Graphene-on-silver substrates for sensitive surface plasmon resonance imaging biosensors

SH Choi, YL Kim, KM Byun - Optics express, 2011 - opg.optica.org
Taking advantage of the high impermeability property of graphene and the sharp surface
plasmon resonance (SPR) curve of silver, we numerically demonstrate that SPR imaging …

Surface plasmon resonance imaging for nucleic acid detection

R D'Agata, G Spoto - Analytical and bioanalytical chemistry, 2013 - Springer
Surface plasmon resonance imaging (SPRI) is a powerful tool for simple, fast and cheap
nucleic acid detection. Great efforts have been made during the last decade with the aim of …

On the electric field enhancement and performance of SPR gas sensor based on graphene for visible and near infrared

PK Maharana, R Jha, P Padhy - Sensors and Actuators B: Chemical, 2015 - Elsevier
We propose a high performance surface plasmon resonance (SPR) affinity gas sensor
based on graphene on Ag in visible and near infrared. Proposed sensor configuration has …

Narrow groove plasmonic nano-gratings for surface plasmon resonance sensing

A Dhawan, M Canva, T Vo-Dinh - Optics express, 2011 - opg.optica.org
We present a novel surface plasmon resonance (SPR) configuration based on narrow
groove (sub-15 nm) plasmonic nano-gratings such that normally incident radiation can be …

Surface plasmon resonance imaging: what next?

G Spoto, M Minunni - The journal of physical chemistry letters, 2012 - ACS Publications
This Perspective discusses recent advances in the field of surface plasmon resonance
imaging (SPRi) for the label-free, multiplex, and sensitive study of biomolecular systems …

On the performance of highly sensitive and accurate graphene-on-aluminum and silicon-based SPR biosensor for visible and near infrared

PK Maharana, T Srivastava, R Jha - Plasmonics, 2014 - Springer
We demonstrate the numerical analysis of surface plasmon resonance biosensor based on
graphene on aluminum and silicon. Employing matrix method, it is found that the proposed …

On the field enhancement and performance of an ultra-stable SPR biosensor based on graphene

PK Maharana, P Padhy, R Jha - IEEE Photonics Technology …, 2013 - ieeexplore.ieee.org
The effect of graphene on the electric field enhancement and performance of SPR-based
sensor has been proposed and compared with Ag-Au bimetallic configuration. We found that …

High-sensitivity integrated devices based on surface plasmon resonance for sensing applications

MH Elshorbagy, A Cuadrado, J Alda - Photonics Research, 2017 - opg.optica.org
A metallic nanostructured array that scatters radiation toward a thin metallic layer generates
surface plasmon resonances for normally incident light. The location of the minimum of the …

Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration

HS Leong, J Guo, RG Lindquist, QH Liu - Journal of applied physics, 2009 - pubs.aip.org
We systematically investigated the surface plasmon resonance in one-dimensional (1D)
subwavelength nanostructured metal films under the Kretschmann configuration. We …