You can freeze them, boil them, soak them in formaldehyde or carbolic acid or chloroform, and most will emerge no less deadly than they were.

• 你可以把Prions冷冻、煮沸，放在甲醛、石炭酸或氯仿中浸泡，但是它们大多数还是原来那样并未减少致死性。