Enzymes from bacteria and fungi break down plastic

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DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2023/01/enzymes-from-bacteria-and-fungi-break-down-plastic/

Plastic is useful but also poses an environmental problem. Scientists are now using enzymes from bacteria and fungi to break down plastic.

Every year, the world produces 380 million tonnes of plastic. A lot of it ends up in nature and stays there for a long time. It can take 450 years to break down a plastic bottle.

“Plastic is a synthetic material that is challenging to break down,” says Gaston Courtade, an associate professor at NTNU’s Department of Biotechnology and Food Science.

Plastic is found in packaging, toys, decorative items – well, in most categories of products.

“We need technology that enables plastics to be broken down more efficiently to achieve a more sustainable future,” says Courtade.

The researchers and students in biotechnology at NTNU have now come a few steps closer to producing enzymes that can break down plastic in an efficient way.

Enzymes are substances that speed up chemical processes without breaking down themselves – like is being done to break down plastic. Courtade is heading the study, and the research team has already come a long way.

“We want to understand the reactions behind the enzymes that can break down plastic,” says Courtade.

The aim is to use enzymes from bacteria and fungi and improve their ability to break down plastic faster.

One challenge is how well these enzymes can bind to plastic. The researchers are therefore looking at ways to use proteins with special binding properties to regulate how the enzymes attach to plastic.

DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2023/01/enzymes-from-bacteria-and-fungi-break-down-plastic/
Category
NORWEGIAN NEWS
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Norwegian sci-tech news, research news, NTNU
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