Hartmann, A.* ; Albert, A. & Ganzera, M.* Effects of elevated ultraviolet radiation on primary metabolites in selected alpine algae and cyanobacteria. J. Photochem. Photobiol. B-Biol. 149, 149-155 (2015) Richter, K. et al. Influence of external, intrinsic and individual behaviour variables on serum 25(OH)D in a German survey. J. Photochem. Photobiol. B-Biol. 140, 120-129 (2014) Müller, V.* et al. Ecologically relevant UV-B dose combined with high PAR intensity distinctly affect plant growth and accumulation of secondary metabolites in leaves of Centella asiatica L. Urban. J. Photochem. Photobiol. B-Biol. 127, 161-169 (2013) Lehner, G. ; Delatorre, J.* ; Lütz, C.* & Cardemil, L.* Field studies on the photosynthesis of two desert Chilean plants: Prosopis chilensis and Prosopis tamarugo. J. Photochem. Photobiol. B-Biol. 64, 36-44 (2001) Ghetti, F.* ; Herrmann, H.* ; Häder, D.-P.* & Seidlitz, H.K. Spectral dependence of the inhibition of photosynthesis under simulated global radiation in the unicellular green alga Dunaliella salina. J. Photochem. Photobiol. B-Biol. 48, 166-173 (1999) Seckmeyer, G. & Payer, H.D. A new sunlight simulator for ecological research on plants. J. Photochem. Photobiol. B-Biol. 21, 175-181 (1993) Wessels, J.M. ; Strauß, W.S.L. ; Seidlitz, H.K. ; Rück, A.C. & Schneckenburger, H. Intracellular localization of meso-tetraphenylporphine tetrasulphonate probed by time-resolved and microscopic fluorescence microscopoy. J. Photochem. Photobiol. B-Biol. 12, 275-284 (1992) Jocham, D. ; Baumgartner, R. ; Stepp, H. & Unsöld, E. Clinical Experience with the Integral Photodynamic Therapy of Bladder Carcinoma. J. Photochem. Photobiol. B-Biol. 6, 183-187 (1990) Jocham, D.* ; Baumgartner, R. ; Stepp, H.G. & Unsöld, E. Clinical experience with the integral photodynamic theraphy of bladder carcinoma. J. Photochem. Photobiol. B-Biol. 6, 183-187 (1990) Seidlitz, H.K. ; Schneckenburger, H. & Stettmaier, K. Time-resolved polarization measurements of porphyrin fluorescence in solution and in single cells. J. Photochem. Photobiol. B-Biol. 5, 391-400 (1990) Sroka, R.C. ; Ell, C.M.D.* ; Gottschalk, W. ; Hengst, J. & Unsöld, E. Homogeneous light application and monitoring of the applied power density during PDT. J. Photochem. Photobiol. B-Biol. 3, 456 (1989) Schneckenburger, H. ; Seidlitz, H.K. & Eberz, J. Time-resolved fluorescence in photobiology. J. Photochem. Photobiol. B-Biol. 2, 1-19 (1988) Sroka, E. & Unsöld, E. Homogeneous Lightapplication and Power Density Control in PDT. J. Photochem. Photobiol. B-Biol. (1988)