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A graphene oxide anticancer drug carrier that combines various targeting mechanisms has been created by scientists from China. Several anticancer drugs are toxic or cause harmful side effects since they target healthy cells too as tumour cells. Yongsheng Chen from Nankai University, China, and colleagues have developed a delivery system making use of functionalised graphene oxide as the drug carrier. Graphene oxide has a extremely high surface area, enabling it to transport a significant amount of the drug. As cancer cells are generally extra acidic than regular cells, the team developed the system to improve drug release as pH decreases. This confines the drug to the tumour internet site and limits uptake by healthy cells. This could permit doctors to use higher doses and improve the effectiveness of treatments, or decrease side-effects for patients.
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