From Times Online:A drop of blood or speck of tissue no bigger than a full stop could soon be all that is required to diagnose cancers and assess their response to treatment, research suggests.
New technology that allows cancer proteins to be analysed in tiny samples could spell the end of surgical biopsies, which involve removing lumps of tissue, often under general anaesthetic.
Researchers at Stanford University, California, have developed a machine that separates cancer-associated proteins by means of their electric charge, which varies according to modifications on the protein’s surface.
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