SIL-based confocal fluorescence microscope for investigating individual nanostructures |
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| Authors: | Bartosz Krajnik Tim Schulte Dawid Piątkowski Nikodem Czechowski Eckhard Hofmann Sebastian Mackowski |
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| Affiliation: | 1.Institute of Physics,Nicolaus Copernicus University,Torun,Poland;2.Department of Biology and Biotechnology,Ruhr-University Bochum,Bochum,Germany |
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| Abstract: | We developed a fluorescence confocal microscope equipped with a hemispherical solid immersion lens (SIL) and apply it to study the optical properties of light-harvesting complexes. We demonstrate that the collection efficiency of the SIL-equipped microscope is significantly improved, as is the spatial resolution, which reaches 600 nm. This experimental setup is suitable for detailed studies of physical phenomena in hybrid nanostructures. In particular, we compare the results of fluorescence intensity measurements for a light-harvesting peridinin-chlorophyll-protein (PCP) complex with and without the SIL. |
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