Magneto Plasmonic Nanoparticles
Magneto Plasmonic Nanoparticles - Related Videos
07:24
Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
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Cited by 2 •
2015
A simple protocol for the preparation of reduced graphene oxide using visible light and plasmonic nanoparticle is described.
15:06
Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
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Cited by 2 •
2016
Saturable and reverse saturable scattering were discovered in isolated plasmonic particles and adopted as a novel non-bleaching contrast method in super-resolution microscopy. Here the experimental procedures of detecting and extracting nonlinear scattering are explained in detail, as well as how to enhance resolution with the aid of saturated excitation microscopy.
09:43
Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters
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Cited by 28 •
2014
Here, we describe a protocol for synthesis of magneto-plasmonic nanoparticles with a strong magnetic moment and a strong near-infrared (NIR) absorbance. The protocol also includes antibody conjugation to the nanoparticles through the Fc moiety for various biomedical applications which require molecular specific targeting.
09:29
Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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2011
Plasmonic tweezers and photonic crystal nanostructures are shown to produce useful enhancements in the efficiency and orientation control of optically trapping micro- and nano-particles.
09:13
Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
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2017
A microchip fabrication process that incorporates plasmonic tweezers is presented here. The microchip enables the imaging of a trapped particle to measure maximal trapping forces.
FAQs
The magnetic component, commonly an iron oxide core or phase, responds to an applied magnetic field and enables particle guidance or concentration. The gold or silver domain contributes the optical response through localized surface plasmon resonance, which arises from collective conduction-electron oscillations. Combining these functions creates a material that can be positioned magnetically while remaining optically detectable.
Localized surface plasmon resonance produces strong absorption and scattering of light, making the particles useful for optical detection and energy conversion. Its tunability allows the optical response to be adjusted through the particle system’s composition or structure, as supported by the combination of magnetic and plasmonic domains. This optical behavior underlies sensing and photothermal applications.
Composition determines which component supplies magnetic responsiveness and which provides plasmonic activity. Iron oxide is a typical magnetic phase, whereas gold or silver commonly supplies the plasmonic domain. Changing the plasmonic metal can alter the resulting absorption and scattering response, while retaining a magnetic phase supports field-based guidance or concentration.
An applied magnetic field can guide or concentrate the particles, creating a way to gather the functional material in a selected location. Once concentrated, the plasmonic component can provide enhanced optical signals for analysis. This combination supports magnetically assisted separation followed by optical observation, helping connect sample handling with signal generation.
In chemical workflows, magnetic responsiveness can assist separation by allowing particles to be guided or concentrated, while plasmonic absorption and scattering provide an optical readout. The same platform can therefore support both sample handling and signal enhancement. These capabilities are relevant to analytical workflows in which recoverability and stronger optical signals improve practical measurement steps.
The dual-function platform supports magnetically assisted separation, optical sensing, photothermal conversion, catalysis, and targeted delivery. Its recoverability is especially relevant when researchers need to retrieve the particles after use, while enhanced optical signals support detection. The overview identifies environmental and biomedical research as important contexts for applying these combined chemical and physical properties.