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Gold nanosponges are gold/air percolated nanoparticles with three dimensionally intertwined gold and air filaments of sub-20 nm diameter. The internal structure of the nanosponges, i.e. the size of the gold and air filaments can be tuned by varying the fabrication parameters [1]. Gold nanosponges exhibit multiple scattering resonances in the visible to NIR spectral range. Using dark field optical...
Compared to bulk gold, nanoparticles show significantly higher quantum yield of photoluminescence (PL) from d-band hole recombination [1]. It makes them attractive for cell imaging and biosensing. The underlying mechanism of the PL is a subject of intensive debates, although there are numerous reports on single-photon and multi-photon-induced PL of plasmonic particles and nanoparticle systems. Here,...
Coronary artery disease in diabetic patients is more severe, occurs earlier and is associated with greater restenosis rate after coronary interventions. To test the hypothesis that histopathology of coronary plaque tissue is different in diabetes we performed quantitative computerized planimetry on coronary specimens obtained by directional coronary atherectomy of 32 lesions of diabetic patients...
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