Nanoparticles, LSPR
Synthesis methods of gold nanoparticles for Localized Surface Plasmon Resonance (LSPR) sensor applications
... Gold nanoparticles (GNPs) have been known as an excellent characteristic for Local Surface Plasmon Resonance (LSPR) sensors due to their sensitive spectral response to the local environment of the ...
5
Emerging use of nanostructure films containing capped gold nanoparticles in biosensors
... gold nanoparticles (GNP) has been exploited in a variety of optical sensor configurations including solution-based bioassays, paper-based colorimetric detection, surface-confined nanoparticle film/array-based ...
18
Gold suprashells : enhanced photothermal nanoheaters with multiple LSPR for broadband SERS
... applications afforded by the magnetic core. The proposed gold suprashells assembled on SPION can be easily manipulated with a magnet (Fig. 1, inset). They are also internalized by cells and show low cytotoxicity in vitro ...
29
Naturally inspired SERS substrates fabricated by photocatalytically depositing silver nanoparticles on cicada wings
... metal nanoparticles with localized surface plas- mon resonance (LSPR) absorption in the visible wave- length region have a wide variety of beautiful ...metal nanoparticles have been applied in the ...
5
Nanoplasmonic Sensors based on Periodic Arrays of Gold Nanoparticles
... gold nanoparticles excited by the evanescent field of an optical waveguide ...the LSPR modes of the gold nanoparticle array excited by the waveguide modes demonstrated similar trends as the array being ...
206
Investigation on the Effects of the Formation of a Silver “Flower Like Structure” on Graphene
... In this report, we experimentally investigate the formation of “ flower-like silver structures ” on graphene. Using an electrochemical deposition technique with deposition times of 2.5 and 5 min, agglomerations of silver ...
9
A reusable localized surface plasmon resonance biosensor for quantitative detection of serum squamous cell carcinoma antigen in cervical cancer patients based on silver nanoparticles array
... reusable LSPR biosensor for the detection of ...silver nanoparticles for distinct detection of ...specific LSPR system, with a linear quantitative detection range of ...the LSPR biosensor ...
8
Near and Far Field Optical Response of Eccentric Nanoshells
... of LSPR prop- erties of metallic nanoparticles with spherical symmetry is usually done by means of the Mie theory [39, 40], whereas methods like FDTD [35, 36] are employed for other cases, ...the ...
7
Localized Surface Plasmon Resonance Biosensing with Large Area of Gold Nanoholes Fabricated by Nanosphere Lithography
... metallic nanoparticles which is excited by electromagnetic radiation [1–3]. LSPR causes two notable results that can be exploited: first, the strong extinction band (absorption and scattering) which can be ...
5
Investigation of metal nanomaterials as a sensing element in LSPR-based optical fibre sensor development
... those LSPR sensors reported earlier either by the authors or by the other researchers, the LSPR sensors based on hollow particles have demonstrated better performance and ...gold nanoparticles of ...
182
Model of Multi Source Nanonetworks for the Detection of BRCA1 DNA Alterations Based on LSPR Phenomenon
... In the past few decades, nanotechnology has emerged as a novel evolution of technology enabling the design of miniaturized devices at nanoscale level (i.e., nanorobots and nanoparticles). At this scale, the ...
12
OMCVD Gold Nanoparticles Covalently Attached to Polystyrene for Biosensing Applications
... The bulk AuNP sensitivity can be determined by systematically changing the refractive index of the environment, for example, by changing the ambient solvent. Immersing the sample in organic solvents with different ...
122
Design of FLT3 Inhibitor Gold Nanoparticle Conjugates as Potential Therapeutic Agents for the Treatment of Acute Myeloid Leukemia
... As the stability of the particles is a critical issue for any use in biological media, the evolution of the ex- tinction spectra of the prepared nano-conjugates were monitored over time in PBS (Additional file 1: Figure ...
10
A New Smart Surface Enhanced Raman Scattering Sensor Based on pH Responsive Polyacryloyl Hydrazine Capped Ag Nanoparticles
... Ag@PAH nanoparticles exhibited an excellent tunable detecting performance in the range from pH = 4 to pH = ...tunable LSPR and further controlled SERS. Furthermore, Ag@PAH nanoparticles possessed an ...
5
Self-Assembly of Semiconducting-Plasmonic Gold Nanoparticles with Enhanced Optical Property for Photoacoustic Imaging and Photothermal Therapy
... The hybrid vesicles were first prepared by self-assembly of Au@PPDI/PEG with the PPDI to PEG ratios of 3:1 using the thin film-rehydration method as we previously reported.[36, 37] The contrast difference between the ...
9
Direct Visualization of Wavelength Dependent Single Dipoles Generated on Single Gold Nanourchins with Sharp Branches
... gold nanoparticles with unique optical properties have been widely employed as optical sensors [1], active surface-enhanced Raman scattering (SERS) substrates [2–7], biological and chemical sensors [8–10], and ...
7
Improved Efficiency of Silicon Nanoholes/Gold Nanoparticles/Organic Hybrid Solar Cells via Localized Surface Plasmon Resonance
... metal nanoparticles, which can lead to strong enhancement of the local electromagnetic field, and the fields are a benefit to the photo-induced charge ...metal nanoparticles occurs, the light absorption of ...
7
Aptamer conjugated, fluorescent gold nanorods as potential cancer theradiagnostic agents
... the LSPR maximum was estimated by combining spectrophotometric data with optical, microscopy-based con- centration measurements via nanoparticles ...
9
High spatial resolution mapping of individual and collective localized surface plasmon resonance modes of silver nanoparticle aggregates: correlation to optical measurements
... metal nanoparticles (NPs) are dominated by localized surface plasmon reso- nances (LSPR) ...The LSPR frequency of gold and silver NPs are typically in the near UV, visible or infrared part of the ...
6
Development of Optical Biosensors Based on Metal Nanostructures for Pollution (Mycotoxins) Detection
... The LSPR platform is based on gold nano-islands produced by thermal annealing of thin gold films deposited on ...for LSPR bio-sensing because of its superior sensitivity as compared to conventional UV-vis ...
204