title: Correction: A FRET based pH probe with a broad working range applicable to referenced ratiometric dual wavelength and luminescence lifetime read out.
authors: Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany.
authors: Robert J
authors: RJ
authors: Meier
authors: Johann M B
authors: JM
authors: Simbürger
authors: Tero
authors: T
authors: Soukka
authors: Michael
authors: M
authors: Schäferling