Patrik R. Callis

Femtosecond two-photon absorption spectra and permanent electric dipole moment change of tryptophan, 2-aminopurine and related intrinsic and synthetic fluorophores

Aleksander Rebane, Alexander Mikhaylov, Matt Rammo, 2017, BiOS.

Photophysics of indole derivatives: experimental resolution of La and Lb transitions and comparison with theory

Maurice R. Eftink, Patrik R. Callis, LeRoy A. Selvidge, 1990, Photonics West - Lasers and Applications in Science and Engineering.

A power‐squared sensor for two‐photon spectroscopy and dispersion of second‐order coherence

Patrik R. Callis, Richard D. Jones, P. Callis, 1988 .

Polarized two‐photon fluorescence excitation studies of pyrimidine

Patrik R. Callis, T. W. Scott, P. Callis, 1981 .

Photophysics of indole derivatives : experimental resolution of La and Lb transitions and comparison with theory

Maurice R. Eftink, Patrik R. Callis, LeRoy A. Selvidge, 1990 .

Primary Role of the Chromophore Bond Length Alternation in Reversible Photoconversion of Red Fluorescence Proteins

Yuriy Stepanenko, Aleksander Rebane, Thomas E. Hughes, 2012, Scientific Reports.

Fluorometric determination of the neutral lipid content of microalgal cells using Nile Red

Patrik R. Callis, Scott A. Williams, K. Cooksey, 1987 .

Fluorescence from adenine cations

Patrik R. Callis, P. Callis, Walter B. Knighton, 1982 .

Two-photon fluorescence excitation spectra of aromatic amino acids

Patrik R. Callis, Aden A. Rehms, P. Callis, 1993 .