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A graphene oxide anticancer drug carrier that combines different targeting mechanisms has been created by scientists from China. Lots of anticancer drugs are toxic or trigger harmful side effects because 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 pretty high surface area, enabling it to transport a significant quantity of the drug. As cancer cells are typically additional acidic than normal cells, the team developed the system to boost drug release as pH decreases. This confines the drug to the tumour website and limits uptake by healthy cells. This could permit doctors to use higher doses and enhance the effectiveness of treatments, or decrease side-effects for patients.
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