Chemical engineers have turned to exotic meat-eating plant life for inspiration in creating materials that have potential for use as a coating on medical devices. The pitcher plant - which is carnivorous by trapping and digesting animals in leaves that resemble trumpets or small pitchers - has a highly slippery surface that stops its prey from escaping. This surface can repel liquids and contaminants, the scientists from Harvard University found, and it has self-healing properties when scratched.
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