 This research proposes combining two different types of polymers, chitosan and fatty acids to create a new type of micelle-based delivery system for chemotherapeutic agents. This system has the potential to improve the efficacy of chemotherapy treatments by increasing the amount of drug that reaches the tumor site while reducing its exposure to healthy tissue. This article was authored by Igor D. Slotnikov, Dmitriy Estreltsov, Alexander A. and others.