The invention relates to a device for referencing fluorescence signals and/or calibration of fluorescence detection systems, whereby the device comprises an essentially non-fluorescing support, on which are applied polymer layers in several defined regions and with partly varying thicknesses and/or compositions. Said polymer layers are applied to the support such as to fluoresce after corresponding irradiation and the device may thus be used as a fluorescence standard. The invention further relates to a method for the production of said fluorescence standards.

 
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> Individually electrically addressable carbon nanofibers on insulating substrates

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