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The acidic mining lakes of Eastern Germany are characterized by their extremely low pH and high iron concentrations. Low concentrations of CO2 in the epilimnion due to the low pH and reduced light transmission due to dissolved ferric iron potentially limit phytoplankton primary production (PP), whereas dissolved organic carbon (DOC) may promote heterotrophic production of bacteria (HP). We, therefore,...
We investigated the spectra of single tetra-tert-butylterrylene (TBT) molecules in the amorphous matrix poly(isobutylene) (PIB). The distribution of line widths of TBT in PIB was measured and compared to that of TBT in poly(ethylene). The fluorescence intensity autocorrelation function as well as the two-point frequency autocorrelation function were determined for different single TBT molecules...
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