Tianyu Li, Huaping Xu Cell Rep. Phys. Sci.; 2020, 1, 100111. Cancer remains a major global health problem, causing significant economic burden worldwide. Current clinical cancer treatments are unsatisfactory in terms of both antitumor efficacy and biocompatibility. Meanwhile, nanomaterials attract much attention as potential treatment strategies with improved antitumor efficacy and reduced side effects. Selenium-containing nanomaterials are considered to be a promising biomaterial candidate among many different approaches during the last decade. Selenium-containing nanomaterials exhibit go...