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A versatile fluorescence lifetime imaging system for scanning large areas with high time and spatial resolution

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Resumo:We present a flexible fluorescence lifetime imaging device which can be employed to scan large sample areas with a spatial resolution adjustable from many micrometers down to sub-micrometers and a temporal resolution of 20 picoseconds. Several different applications of the system will be presented including protein microarrays analysis, the scanning of historical samples, evaluation of solar cell surfaces and nanocrystalline organic crystals embedded in electrospun polymeric nanofibers. Energy transfer processes within semiconductor quantum dot superstructures as well as between dye probes and graphene layers were also investigated.
Autores principais:Bernardo, César
Outros Autores:Belsley, M.; Gomes, E. Matos; Gonçalves, Hugo; Isakov, Dmitry; Liebold, Falk; Pereira, E. N. B.; Pires, Vladimiro; Samantilleke, A. P.; Vasilevskiy, Mikhail; Schellenberg, Peter Michael
Assunto:Fluorescence Lifetime Imaging Fluorescence microscopy Laser Scanning Microscopy Semiconductor quantum dots Graphene NLO nano fiber Solar cells Ciências Naturais::Ciências Físicas
Ano:2014
País:Portugal
Tipo de documento:comunicação em conferência
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho
Descrição
Resumo:We present a flexible fluorescence lifetime imaging device which can be employed to scan large sample areas with a spatial resolution adjustable from many micrometers down to sub-micrometers and a temporal resolution of 20 picoseconds. Several different applications of the system will be presented including protein microarrays analysis, the scanning of historical samples, evaluation of solar cell surfaces and nanocrystalline organic crystals embedded in electrospun polymeric nanofibers. Energy transfer processes within semiconductor quantum dot superstructures as well as between dye probes and graphene layers were also investigated.