title: Binding of psoralen derivatives to DNA and chromatin: influence of the ionic environment on dark binding and photoreactivity.
mesh_terms: D000818:Animals; D002417:Cattle; D002843:Chromatin; D003374:Coumarins / Q000031:analogs & derivatives; D004247:DNA; D003624:Darkness; D004331:Drosophila melanogaster; D005363:Ficusin; D011564:Furocoumarins; D009994:Osmolar Concentration; D010777:Photochemistry; D012965:Sodium Chloride; D013329:Structure-Activity Relationship; D014466:Ultraviolet Rays
chemical_list: D002843:Chromatin; D003374:Coumarins; D011564:Furocoumarins; D012965:Sodium Chloride; D004247:DNA; D005363:Ficusin