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10.1016/j.jss.2011.06.033 J Surg Res
Crosslinking density and polymer chemical structures can modulate the stiffness of the final nanocarrier affecting the BBB crossing efficiency and intracellular accumulation of the cargo: as an example, Zheng et al., 2021) demonstrated that lower elasticity of PEG-block-poly(pentafluorophenyl methacrylate) NPs led to increased transcytosis and brain accumulation, despite shorter blood circulation times
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Athletes may be using these substances in the belief that they will give them an edge, although how common these illicit practices are is unknown, as they are shrouded in secrecy
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