Researchers in Japan have shown that they can remove Escherichia coli from drinking water using tiny tubes made of human serum albumin.
E. coli is a very common type of bacteria, many strains of which are harmless. Some strains, however, such as enterohemorrhagic E. coli O157, are life-threatening to humans. This is particularly problematic in the developing world, where fruit and vegetables washed in contaminated water can cause severe food-poisoning and even death.
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