Callis, P R (1997) 1La and 1Lb transitions of tryptophan: applications of theory and experimental observations to fluorescence of proteins. Methods Enzymol 278:113-50 |
Lakowicz, J R; Kierdaszuk, B; Callis, P et al. (1995) Fluorescence anisotropy of tyrosine using one-and two-photon excitation. Biophys Chem 56:263-71 |
Callis, P R (1986) An extended semi-empirical molecular orbital study of the pi pi excited states of nucleic acid bases. Photochem Photobiol 44:315-22 |