Localized surface plasmon resonance: Nanostructures, bioassays …
Nov 7, 2011 · Localized surface plasmon resonance (LSPR) is an optical phenomena generated by a light wave trapped within conductive nanoparticles (NPs) smaller than the wavelength of light. The phenomenon is a result of the interactions between the incident light and surface electrons in a conduction band [1].
Plasmon-enhanced light–matter interactions and applications
Apr 11, 2019 · Surface plasmons are coherent and collective electron oscillations confined at the dielectric–metal interface. Benefitting from the inherent subwavelength nature of spatial profile, surface...
Surface Plasmon Resonance of Nanoparticles and Applications …
Sep 16, 2015 · In this paper we provide a mathematical framework for localized plasmon resonance of nanoparticles. Using layer potential techniques associated with the full Maxwell equations, we derive small-volume expansions for the electromagnetic fields, which are uniformly valid with respect to the nanoparticle’s bulk electron relaxation rate.
Surface Plasmon Resonance Sensors: A Critical Review of
Jan 15, 2025 · In recent years, surface plasmon resonance (SPR) technology has seen significant advancements and has been widely applied. Featuring a label-free detection approach with real-time monitoring, precise with cost-effective results, and low sample needs, this technology is widely used in sectors like bio-molecular sensing, environmental monitoring, food safety, clinical diagnostics, and biomedical ...
Developments in Localized Surface Plasmon Resonance
Nov 4, 2024 · Localized Surface Plasmon Resonance imaging (LSPRi) is a powerful optical biosensing method that uses the way that light excites the conduction electrons on the surface of metallic nanoparticles to make them oscillate.
Surface plasmon resonance technology: Recent advances, …
Jun 1, 2023 · The phenomenon of Surface Plasmon Resonance (SPR) gives rise to a spectroscopic method that allows for real-time monitoring of the interactions between a free analyte in solution and a biomolecular recognition element immobilized on the sensor surface to detect and capture a target analyte of interest [1, 2].
Strongly confined localized surface plasmon resonance (LSPR) …
Nov 12, 2019 · These NPs exhibit strongly enhanced localized surface plasmon resonance (LSPR) bands in the UV-VIS wavelengths such as dipolar, quadrupolar, multipolar and higher order resonance modes...
Multispectral Localized Surface Plasmon Resonance (msLSPR) …
Jan 20, 2023 · Unlike the surface-propagating plasmons observed on metal films, nanoparticles with features on the 10–100 nm size scale exhibit a localized surface plasmon resonance (LSPR) that arises from the collective oscillation of conduction electrons confined on the particle surface upon incident electromagnetic radiation. For both a metal film and ...
Enlightening surface plasmon resonance effect of metal nanoparticles …
Aug 26, 2016 · Surface plasmon resonance (SPR) is the manifestation of a resonance effect due to the interaction of conduction electrons of metal nanoparticles with incident photons. The interaction relies on the size and shape of the metal nanoparticles and on the nature and composition of the dispersion medium.
Surface plasmon resonance detection of anti-cancer drug
5 days ago · The well-known surface plasmon resonance (SPR) is one useful tool for researching molecule interactions 3,4. The technique is used in drug discovery 5 , clinical diagnostics 6 , and other domains ...