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We review the long evolution of DIET (Dynamics at surfaces Induced by Electronic Transitions) that began in the 1960s when Menzel, Gomer and Redhead proposed their famous stimulated desorption model. DIET entered the “nanoscale” in the 1990s when researchers at Bell Labs and IBM realized that the Scanning Tunneling Microscope (STM) could be used as an atomic size source of electrons to electronically...
Metallic nanoparticles have large scattering cross sections induced by the plasmon resonance, offering an alternative to fluorescence labelling. We show how metallic substrates influences their resonance wavelength and scattering efficiency. Biosensing applications is presented.
Fluorescence labeling is the prevailing imaging technique in cell biology research. When they involve statistical investigations on a large number of cells, experimental studies require both low magnification to get a reliable statistical population and high contrast to achieve accurate diagnosis on the nature of the cells’ perturbation. Because microscope objectives of low magnification generally...
Fluorescence can be tailored by the vicinity of a metallic interface. Modifying the intensity and the spatial distribution of the emitter radiation as well as the energy transfer between donor and acceptor can benefit to biological applications. Fluorescence enhancement has been investigated by one and two-photon fluorescence microscopy with time and spectral resolution. Besides, the spatial emission...
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