Photophysical processes of the spectroscopic RNA probe 2-(1-ethynylpyrene)-adenosine (PyA) P. Trojanowski, J. Plötner, C. Grünewald, M. Braun, A. Reuss, J. Engels and J. Wachtveitl EPJ Web of Conferences, 41 (2013) 07001 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134107001