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Chile's national copper company, CODELCO, announced Friday that it will invest US$1.5 billion in new environmental and health projects over the next five years. The company plans to utilize copper's antibacterial properties in projects involving Santiago's subway system (Metro) and the salmon-farming industry.

A new study by MIT researchers demonstrates that bacteria adhere poorly to soft surfaces and stick to firm ones.

"However, despite this fact, problems with bacterial infections are common in clinical practice. Patients with such complications usually require admission to hospital for up to two weeks longer than the normal patient. Not only do people suffer, but also the cost associated with hospitalization runs into thousands and millions of dollars. Dressings with our coatings could significantly reduce these problems," says Dr. Katarzyna Wybranska (IPC PAS). "