(Phys.org)—While most nanoparticles under development as drug delivery vehicles are spheres, a growing body of research suggests that cylindrical nanoparticles would perform even better at the twin goal of surviving in the blood stream long enough to reach their intended target and penetrating the cell wall to deliver their therapeutic payload inside of tumor cells where it is most needed. A team of investigators at the Northwestern University Center of Cancer Nanotechnology Excellence (Northwestern CCNE) has invented a cylindrical nanofilament structure that significantly reduces tumor growth in an animal model of breast cancer.
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