科学与环境
Microplastics are chemically active and could cause biological harm
来源: Phys.org - latest science and technology news stories · 发布于
Plastics are supposed to be chemically inert. It's the reason they're used so frequently to package food, bottle water and create children's toys: They're safe. But something important happens when a large piece of plastic fragments into micro- and nanoparticles. Its surface area
Plastics are supposed to be chemically inert. It's the reason they're used so frequently to package food, bottle water and create children's toys: They're safe. But something important happens when a large piece of plastic fragments into micro- and nanoparticles.
Its surface area increases dramatically relative to its volume. Vastly more of the material is now exposed to its surroundings.
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