Chinese scientists have developed a first-of-its-kind purifier capable of removing breakaway tumour cells that circulate through the bloodstream, potentially preventing the recurrence and spread of some cancers. The Shanghai Jiao Tong University-led team said the proof-of-concept platform could lower the risk of metastasis – the leading cause of cancer-related deaths worldwide – in a peer-reviewed research paper published on November 2. When tested in mouse models of breast cancer, the device...

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