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Length-flexible strategies for efficient SERS performance in gold-nanorod-gapped nanoantennas [PDF]

open access: yesDiscover Nano
Surface-enhanced Raman spectroscopy (SERS) using gold-nanorod-dimer nanoantennas has shown great potential in various applications. This reflects in their large values of the customary figure of merit of SERS: the enhancement factor (EF), which is ...
Sergio F. Flores-Correa   +3 more
doaj   +2 more sources

Gold Nanorod-Assisted Photothermal Therapy and Improvement Strategies [PDF]

open access: yesBioengineering, 2022
Noble metal nanoparticles have been sought after in cancer nanomedicine during the past two decades, owing to the unique localized surface plasmon resonance that induces strong absorption and scattering properties of the nanoparticles.
Mitchell Lee Taylor   +3 more
doaj   +2 more sources

Direct Detection of Orthoflavivirus via Gold Nanorod Plasmon Resonance [PDF]

open access: yesSensors
Dengue, Zika, yellow fever, chikungunya, and Mayaro arboviruses represent an increasing threat to public health because of the serious infections they cause annually in many countries.
Erica Milena de Castro Ribeiro   +12 more
doaj   +2 more sources

Probing lipid membrane bending mechanics using gold nanorod tracking [PDF]

open access: yesPhysical Review Research, 2022
Lipid bilayer membranes undergo rapid bending undulations with wavelengths from tens of nanometers to tens of microns due to thermal fluctuations. Here, we probe such undulations and the membranes' mechanics by measuring the time-varying orientation of ...
Mehdi Molaei   +5 more
doaj   +2 more sources

PDADMAC/Alginate-Coated Gold Nanorod For Eradication of Staphylococcus Aureus Biofilms [PDF]

open access: yesInternational Journal of Nanomedicine
Malarmugila Manimaran,1,* Yin Yin Teo,2 James Chen Yong Kah,3 Adilet Beishenaliev,1 Yean Leng Loke,2 Yiing Yee Foo,1 Shiow-Fern Ng,4 Chin Fei Chee,5 Sek Peng Chin,6 Farid Nazer Faruqu,1 Chia-Yu Chang,7 Misni Misran,2 Lip Yong Chung,6 Bey Fen Leo,8 ...
Manimaran M   +17 more
doaj   +2 more sources

Plasmon Enhanced Second Harmonic Generation from ZnO Nanofilms on Vertical Au Nanorod Arrays

open access: yesNanomaterials, 2021
Vertically aligned gold nanorod arrays have attracted much attention for their fascinating optical properties. Different from longitudinal surface plasmon wavelength (LSPW) and edge-to-edge spacing of gold nanorods, the role of gold nanorod diameter in ...
Qiang Ma   +6 more
doaj   +1 more source

Localized surface plasmons of gold nanoparticles

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2022
In this paper, gold nanoparticle far-field and near-field optical responses are studied and simulated numerically. The electromagnetic field was excited by an electric dipole near one end of the nanorod, which is used to model the emission of a quantum ...
al-khursan amin   +2 more
doaj   +1 more source

Optimization Based on the Surface Plasmon Optical Properties of Adjustable Metal Nano-Microcavity System for Biosensing

open access: yesFrontiers in Chemistry, 2021
This paper mainly studies the plasma optical properties of the silver nanorod and gold film system with gap structure. During the experiment, the finite element analysis method and COMSOL Multiphysics are used for modeling and simulation.
Jin Zhu   +3 more
doaj   +1 more source

Surfactant Layers on Gold Nanorods

open access: yesAccounts of Chemical Research, 2023
ConspectusGold nanorods (Au NRs) are an exceptionally promising tool in nanotechnology due to three key factors: (i) their strong interaction with electromagnetic radiation, stemming from their plasmonic nature, (ii) the ease with which the resonance frequency of their longitudinal plasmon mode can be tuned from the visible to the near-infrared region ...
Jesús Mosquera   +3 more
openaire   +4 more sources

Multilayer protein corona on gold nanorod surface: First evidence of soft corona protein-protein interactions using solution NMR spectroscopy

open access: yesApplied Surface Science Advances, 2022
The nanoparticle surfaces interact readily with biomolecules, including proteins forming a corona. The protein layer that directly interacts with the nanoparticle surface is usually explored. Non-covalent interactions of proteins in the second layer have
Varsha P. Brahmkhatri   +5 more
doaj   +1 more source

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