Journal publishes reports and reviews on current topics in photobiology and in biologically relevant photochemistry. Topics span the range from the primary interaction of light with molecules, cells, and tissue to the subsequent biological responses. Subjects include bioluminescence, biomedical spectroscopy, chronobiology, environmental photobiology, photomedicine, photochemistry and photophysics of biomolecules, photomorphogenesis, photoreception, photosensitization, photosynthesis et.c.