Anthraquinone encapsulation into polymeric nanocapsules as a new drug from biotechnological origin designed for photodynamic therapy

•Anthraquinones of biotechnological origin applied with a new photosensitizer.•Development of the polymeric nanocapsules for controlled release of the anthraquinone derivative.•Anthraquinones encapsulated of applied in photodynamic therapy.•Biological photoactivation assay in NIH/3T3 cells.