surface plasmon resonance

Physics
Tutor: None Selected Time limit: 1 Day

what is THE SURFACE PLASMON RESONANCE , how does it affect by the shape of the imaged particle(sphere, rod , star shaped particles) ? 

Jul 26th, 2015

Thank you for the opportunity to help you with your question!

SPR is a phenomenon that allows real-time, label-free detection of biomolecular interactions. SPR occurs when polarized light strikes an electrically conducting surface at the interface between two media.

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Jul 26th, 2015

Hi,

Thanks for your time, How about the second part of my question " how does it affect by the shape of the imaged particle(sphere, rod , star shaped particles) ? " thanks


Jul 26th, 2015

Take a case of sillver-silica nanocomposite being prepared under high pressure using sputtering technique, those  deposited at lower substrate temperature showed a narrow distribution of nanoparticles with nearly spherical shape. Increase in substrate temperature resulted in films with a non-uniform size and shape due to the agglomeration of the nanoparticles. This size and shape distribution has a profound effect on the optical absorbance spectra and results in a broad and asymmetric surface plasmon band. 

Jul 26th, 2015

What about the flouorescence ,how will it affects by the broad or narrow surfaceplasmon resonance?

Jul 26th, 2015

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Jul 26th, 2015
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