ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2007
Sulforhodamine Adsorbed Langmuir-Blodgett Layers on Silver Island Films: Effect of Probe Distance on the Metal-Enhanced Fluorescence.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
- Metal Manipulated Fluorescence: Mechanisms, Materials, and Plasmonic Strategies for Enhanced Emission.Nanomaterials (Basel, Switzerland) · 2026Review
- Plasmon-enhanced fluorescence for biophotonics and bio-analytical applications.Frontiers in chemistry · 2024Review
- Biogenic Gold Nanoparticles Decrease Methylene Blue Photobleaching and Enhance Antimicrobial Photodynamic Therapy.Molecules (Basel, Switzerland) · 2021Article
- Review: Applications of surface-enhanced fluorescence (SEF) spectroscopy in bio-detection and biosensing.Sensing and Bio-Sensing Research · 2020Review
- Plasmonics with Metallic Nanowires.Materials (Basel, Switzerland) · 2019Review
- Development of a Protein Microarray Chip with Enhanced Fluorescence for Identification of Semen and Vaginal Fluid.Sensors (Basel, Switzerland) · 2018Article
- Spectral variation of fluorescence lifetime near single metal nanoparticles.Scientific reports · 2016Article
- Several hundred-fold enhanced fluorescence from single fluorophores assembled on silver nanoparticle-dielectric-metal substrate.Chemical communications (Cambridge, England) · 2015Article
- Metal-Enhanced Fluorescence Lifetime Imaging and Spectroscopy on a Modified SERS Substrate.The journal of physical chemistry. C, Nanomaterials and interfaces · 2013Article
- Plasmon-controlled fluorescence and single DNA strand sequenching.Proceedings of SPIE--the International Society for Optical Engineering · 2012Article
- Feasibility of Using Bimetallic Plasmonic Nanostructures to Enhance the Intrinsic Emission of Biomolecules.The journal of physical chemistry. C, Nanomaterials and interfaces · 2011Article
- Experimental and molecular dynamics investigation into the amphiphilic nature of sulforhodamine B.The journal of physical chemistry. B · 2011Article
- Enhanced fluorescence of proteins and label-free bioassays using aluminum nanostructures.Analytical chemistry · 2009Article
- Metal-Enhanced Fluorescence (MEF): Physical Characterization of Siver-Island Films and Exploring Sample Geometries.Chemical physics letters · 2009Article
- Aluminum nanoparticles as substrates for metal-enhanced fluorescence in the ultraviolet for the label-free detection of biomolecules.Analytical chemistry · 2009Article
- Plasmon-controlled fluorescence towards high-sensitivity optical sensing.Advances in biochemical engineering/biotechnology · 2009Review
- Observation of Surface Plasmon Coupled Emission using Thin Platinum Films.Chemical physics letters · 2008Article
- Fluorescence lifetime correlation spectroscopic study of fluorophore-labeled silver nanoparticles.Analytical chemistry · 2008Article
- Review
- Plasmon-Coupled Fluorescence Probes: Effect of Emission Wavelength on Fluorophore-Labeled Silver Particles.The journal of physical chemistry. C, Nanomaterials and interfaces · 2008Article
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Authors and funding
3 authors.
Funding
Abstract
Metal-Enhanced Fluorescence (MEF) has become an important method in biomedical sensing. In this paper, we present the distance-dependent MEF of sulforhodamine B (SRB) monolayer on silver island films (SIFs). SRB is electrostatically incorporated into the Langmuir-Blodgett (LB) layers of octadecylamine (ODA) deposited on glass and SIFs substrates. The distances between SRB and SIFs or glass surfaces are controlled by depositing a varied number of inert stearic acid (SA) spacer layers. SRB is incorporated into positively charged LB layers of ODA by immersing the ODA deposited substrates into aqueous solution of SRB. Dye incorporated ODA layers with 10 nm separation distance from the SIFs surface show maximum metal-enhanced fluorescence intensity; ~7-fold increase in intensity as compared to that from the glass surface. The corresponding enhancement factor is reduced with increasing or decreasing the probe distance from the SIFs surface. Additionally, SRB on SIF surfaces show reduced lifetimes. We observed the shortest lifetime from the SRB with 5 nm distance from the SIF surfaces and the lifetime increased consistently with increasing the distances between the fluorophore and the SIFs surface. These observed spectral changes, increase in fluorescence intensity and decreased fluorescence lifetimes, are in accordance with the expected effects due to near-field interactions between the silver nanoparticles and fluorophores. We have also analyzed the complex fluorescence heterogeneous decays on metallic nanostructured surfaces using continuous distributions of decay times. The decay-time distributions appear to be sensitive to the distance between the metal and fluorophore and represent the underlying heterogeneity of the samples. The present systematic study provides significant information on the effect of fluorophore distance on the metal-enhanced fluorescence phenomenon.
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Registered trials
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