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Coloured SEM of biodegradable plastic bag

Coloured SEM of biodegradable plastic bag

A850/0170

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Biodegradable plastic. Coloured scanning electron micrograph of a section through a sheet of a biodegradable plastic. Clearly seen are many granules of starch (orange) embedded in the plastic. When the plastic is buried in soil, the starch grains take up water and expand. This breaks the plastic into many small fragments, increasing the contact area with bacteria in the soil which digest the plastic. Magnification: x375 at 6x7cm size.

Release details

Model release not required. Property release not required.

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